@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&family=Manrope:wght@500;600;700;800&display=swap";.note-draft-status{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:12px 25px;border-bottom:1px solid var(--line);color:var(--muted);font-size:11px}.note-draft-status>span{display:flex;align-items:center;gap:7px}.note-draft-status svg{flex-shrink:0}.note-draft-status.saved{color:var(--accent-text)}.note-draft-status.error,.note-draft-status.attachment-error{color:var(--text)}.add-notes-builder>.note-draft-status{padding:0 0 12px}.note-draft-loading{padding:20px 25px;color:var(--muted)}@media(max-width:600px){.note-draft-status{padding:12px 16px}.note-draft-status .danger-link{min-height:32px}}.study-source-upload .source-upload-copy p{font-size:12px;line-height:1.5}.study-source-upload .source-upload-copy strong{font-size:14px}.study-source-upload .source-file-button{min-height:44px;font-size:13px;font-weight:600}.study-source-upload .source-file-button:focus-within{outline:2px solid var(--accent-text);outline-offset:3px}.study-source-upload .source-file-button.is-disabled{opacity:.55;cursor:wait}.study-source-upload .selected-source>div{min-width:0}.study-source-upload .selected-source strong{max-width:100%;font-size:13px}.study-source-upload .selected-source span{font-size:11px}.study-source-upload .selected-source .icon-button{flex:none}.source-photo-preview{display:block;width:100%;max-height:300px;object-fit:contain;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.source-formats,.source-format-note{margin:0;color:var(--text-secondary);font-size:12px;line-height:1.5}.source-format-note{padding:10px 12px;border-radius:9px;background:var(--surface)}.source-preparing{display:flex;align-items:center;gap:8px;margin:0;font-size:12px;color:var(--accent-text)}.study-source-upload .drive-privacy-note{font-size:11px}@media(max-width:480px){.study-source-upload{padding:14px}.study-source-upload .source-file-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(72px,1fr))}.study-source-upload .source-file-button{width:100%;justify-content:center;gap:5px!important;padding:9px 5px}}.card-rich-text,.card-text-editor__input{font-synthesis:style}.card-rich-text{font-weight:400;font-style:normal;white-space:pre-wrap;overflow-wrap:anywhere}.flashcard>.card-rich-text{font-weight:400}.term-row strong>.card-rich-text{font-weight:500}.card-text-editor{position:relative;min-width:0}.card-text-editor__label{display:block;margin:0 0 8px;color:var(--ink);font-size:13px;font-weight:700;cursor:text}.card-text-editor__frame{overflow:visible;border:1px solid var(--line);border-radius:12px;background:var(--input);transition:border-color .15s,box-shadow .15s}.card-text-editor__frame:focus-within{border-color:var(--purple);box-shadow:0 0 0 3px var(--focus-ring)}.card-text-editor__frame.is-invalid{border-color:var(--danger)}.card-text-editor__toolbar{display:flex;align-items:center;flex-wrap:nowrap;gap:0;min-width:0;padding:4px;border-bottom:1px solid var(--line);background:var(--surface-soft);border-radius:12px 12px 0 0}.card-text-editor .card-text-editor__buttons{display:flex;flex:0 0 auto;align-items:center;gap:0}.card-text-editor .card-text-editor__buttons button{display:inline-flex;align-items:center;justify-content:center;width:40px;min-width:40px;height:40px;min-height:40px;padding:0;border:1px solid transparent;border-radius:7px;color:var(--text-secondary);background:transparent;box-shadow:none;cursor:pointer}.card-text-editor .card-text-editor__buttons button:hover,.card-text-editor .card-text-editor__buttons button[aria-pressed=true]{color:var(--accent-text);border-color:var(--accent-border);background:var(--purple-soft)}.card-text-editor .card-text-editor__buttons button:focus-visible,.card-text-editor .card-text-editor__select select:focus-visible{outline:2px solid var(--purple);outline-offset:2px}.card-text-editor .card-text-editor__select{position:relative;display:flex;flex:1 1 94px;align-items:flex-start;flex-direction:column;gap:1px;min-width:0;margin:0;padding:0;color:var(--muted);font-size:9px;font-weight:600;line-height:1.3}.card-text-editor .card-text-editor__select select{display:block;width:100%;min-width:0;height:29px;min-height:29px;margin:0;padding:4px 22px 4px 7px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background-color:var(--input);font:500 11px/1.3 DM Sans,system-ui,sans-serif;cursor:pointer}.card-text-editor .card-text-editor__highlight,.card-text-editor__more>summary{position:relative;display:flex;align-items:center;justify-content:center;flex:0 0 40px;width:40px;height:40px;margin:0;padding:0;border:1px solid transparent;border-radius:7px;color:var(--text-secondary);cursor:pointer}.card-text-editor__highlight:after{position:absolute;right:11px;bottom:6px;left:11px;height:3px;border-radius:2px;background:var(--highlight-color);content:"";pointer-events:none}.card-text-editor__highlight.is-active{background:var(--purple-soft)}.card-text-editor .card-text-editor__highlight select{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;min-height:0;margin:0;padding:0;opacity:0;cursor:pointer}.card-text-editor__highlight:focus-within{outline:2px solid var(--purple);outline-offset:-2px}.card-text-editor__more{position:relative;flex:0 0 40px}.card-text-editor__more>summary{list-style:none}.card-text-editor__more>summary::-webkit-details-marker{display:none}.card-text-editor__more>summary:hover,.card-text-editor__more[open]>summary{color:var(--purple);background:var(--purple-soft)}.card-text-editor__more>summary:focus-visible{outline:2px solid var(--purple)}.card-text-editor__more-panel{position:absolute;z-index:10;top:calc(100% + 6px);right:0;display:grid;gap:12px;width:184px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow-strong)}.card-text-editor .card-text-editor__more-panel .card-text-editor__select{gap:5px;font-size:11px}.card-text-editor .card-text-editor__more-panel select{height:40px;font-size:14px}.card-text-editor__more-panel>button{display:flex;align-items:center;gap:7px;min-height:40px;padding:0;border:0;color:var(--text-secondary);background:transparent;font:inherit;font-size:12px;cursor:pointer}.card-text-editor .card-text-editor__input{display:block;min-width:0;min-height:105px;max-height:280px;overflow-y:auto;padding:13px 14px;color:var(--ink);background:var(--input);border-radius:0 0 12px 12px;font:400 14px/1.6 DM Sans,system-ui,sans-serif;white-space:pre-wrap;overflow-wrap:anywhere;outline:none;cursor:text}.card-text-editor__input[data-empty=true]:before{content:attr(data-placeholder);position:absolute;max-width:calc(100% - 30px);color:var(--text-faint);pointer-events:none}.card-text-editor .card-text-editor__validation{position:absolute;bottom:0;left:0;width:1px;height:1px;min-height:0;margin:0;padding:0;border:0;opacity:0;pointer-events:none}.card-text-editor__error{display:block;margin-top:6px;color:var(--danger);font-size:12px}@media(max-width:480px){.card-text-editor .card-text-editor__input{min-height:105px;font-size:16px}.card-text-editor .card-text-editor__more-panel select{font-size:16px}}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input){--card-authored-ink: initial;--card-highlight-backing: initial;--card-default-ink: var(--ink)}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="color: rgb(114, 87, 214)"],[style*="color: #7257d6"],font[color="#7257d6" i]){--card-authored-ink: #7257d6}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="color: rgb(35, 102, 190)"],[style*="color: #2366be"],font[color="#2366be" i]){--card-authored-ink: #2366be}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="color: rgb(35, 121, 101)"],[style*="color: #237965"],font[color="#237965" i]){--card-authored-ink: #237965}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="color: rgb(187, 54, 84)"],[style*="color: #bb3654"],font[color="#bb3654" i]){--card-authored-ink: #bb3654}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="background-color: rgb(255, 240, 166)"],[style*="background-color: #fff0a6"]){--card-highlight-backing: #fff0a6;--card-default-ink: var(--card-mark-ink);color:var(--card-authored-ink, var(--card-mark-ink))}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="background-color: rgb(201, 241, 220)"],[style*="background-color: #c9f1dc"]){--card-highlight-backing: #c9f1dc;--card-default-ink: var(--card-mark-ink);color:var(--card-authored-ink, var(--card-mark-ink))}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="background-color: rgb(230, 220, 255)"],[style*="background-color: #e6dcff"]){--card-highlight-backing: #e6dcff;--card-default-ink: var(--card-mark-ink);color:var(--card-authored-ink, var(--card-mark-ink))}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="background-color: rgb(255, 220, 232)"],[style*="background-color: #ffdce8"]){--card-highlight-backing: #ffdce8;--card-default-ink: var(--card-mark-ink);color:var(--card-authored-ink, var(--card-mark-ink))}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style^="color:"],[style*=" color:"],font[color]){background-color:var(--card-highlight-backing, var(--card-mark-surface))!important;border-radius:2px;-webkit-box-decoration-break:clone;box-decoration-break:clone}:root[data-theme=dark]:not([data-text-mode=contrast]) :is(.card-rich-text,.card-text-editor__input) :is([style*="color: rgb(53, 49, 71)"],[style*="color: #353147"],font[color="#353147" i]){--card-authored-ink: initial;color:var(--card-default-ink)!important;background-color:var(--card-highlight-backing, transparent)!important}:root[data-text-mode=contrast] :is(.card-rich-text,.card-text-editor__input){--card-contrast-ink: var(--ink);color:var(--card-contrast-ink)!important}:root[data-text-mode=contrast] :is(.card-rich-text,.card-text-editor__input) *{color:var(--card-contrast-ink)!important}:root[data-text-mode=contrast] :is(.card-rich-text,.card-text-editor__input) :is([style*="background-color: rgb(255, 240, 166)"],[style*="background-color: #fff0a6"],[style*="background-color: rgb(201, 241, 220)"],[style*="background-color: #c9f1dc"],[style*="background-color: rgb(230, 220, 255)"],[style*="background-color: #e6dcff"],[style*="background-color: rgb(255, 220, 232)"],[style*="background-color: #ffdce8"]){--card-contrast-ink: #000000;color:var(--card-contrast-ink)!important}:root[data-text-mode=contrast] :is(.card-text-editor__more>summary:hover,.card-text-editor__more[open]>summary,.card-text-editor__error){color:var(--ink)}.card-photo{display:block;width:auto;max-width:100%;height:auto;max-height:260px;margin:14px auto;object-fit:contain;border-radius:10px;background:#fff}.card-image-editor{min-width:0;margin-top:14px}.card-image-editor__toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:9px 14px}.card-image-editor__label{display:inline-flex;align-items:baseline;gap:8px;color:var(--text-secondary);font-size:12px;font-weight:600}.card-image-editor__label small{color:var(--muted);font-size:10px;font-weight:400}.card-image-editor__actions{display:flex;flex-wrap:wrap;gap:7px}.card-image-editor button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;padding:6px 9px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text-secondary);font:inherit;font-size:11px;cursor:pointer}.card-image-editor button:hover:not(:disabled){border-color:var(--accent-border);background:var(--purple-soft);color:var(--purple)}.card-image-editor button:disabled{opacity:.45;cursor:default}.card-image-editor button:focus-visible{outline:2px solid var(--purple);outline-offset:2px}.card-image-editor__preview{display:flex;align-items:center;gap:13px;margin-top:11px;padding:10px;border:1px solid var(--line);border-radius:11px;background:var(--surface-pressed)}.card-image-editor__preview .card-photo{flex:0 0 80px;width:80px;height:70px;max-width:80px;margin:0;border-radius:6px}.card-image-editor__details{display:grid;gap:8px;flex:1;min-width:0}.card-image-editor__details>span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--text-secondary);font-size:11px}.card-image-editor__details label{display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:11px}.card-image-editor__details select{width:auto;max-width:100%;margin:0;padding:4px 23px 4px 7px;border-radius:5px;font-size:11px}.card-image-editor .card-image-editor__remove{align-self:flex-start;flex-shrink:0;min-height:28px;padding:5px;background:transparent}.card-image-editor__error,.card-image-editor__status{display:flex;align-items:flex-start;gap:6px;margin:9px 0 0;font-size:12px;line-height:1.5}.card-image-editor__error{color:var(--danger)}.card-image-editor__status{color:var(--muted)}.card-image-editor__error svg,.card-image-editor__status svg{flex-shrink:0;margin-top:2px}.set-card-editor__row>.card-image-editor{margin:0 18px 13px}.card-image-editor--compact .card-image-editor__actions{gap:4px}.card-image-editor--compact .card-image-editor__actions button{width:44px;height:44px;padding:0;border-color:transparent;background:transparent}.card-image-editor--compact .card-image-editor__actions button>span{display:none}.card-image-editor--compact .card-image-editor__preview{flex-wrap:wrap}.card-image-editor--compact .card-image-editor__details{flex-basis:100px}@media(max-width:540px){.card-photo{max-height:200px}.card-image-editor__preview{gap:9px}.card-image-editor__preview .card-photo{flex-basis:62px;width:62px;max-width:62px;height:62px}}.set-builder .builder-cards{gap:14px}.set-builder .draft-card{position:relative;display:block;min-width:0;padding:14px 18px 12px;border:1px solid color-mix(in srgb,var(--line) 70%,var(--accent-text));border-radius:17px;background:color-mix(in srgb,var(--surface-soft) 78%,var(--accent-text))}.draft-card__heading{display:flex;align-items:center;min-height:44px;margin-bottom:17px}.draft-card__number{color:var(--text-secondary);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}.draft-card__fields{display:grid;gap:20px}.draft-card__fields .card-text-editor--compact{position:static;display:flex;flex-direction:column-reverse;gap:7px}.draft-card .card-text-editor__label{display:block;margin:0 2px;color:var(--text-secondary);font-size:10px;font-weight:700;line-height:1.4;letter-spacing:.6px;text-transform:uppercase}.draft-card .card-text-editor__frame{display:contents}.draft-card .card-text-editor__input{position:relative;min-height:54px;max-height:240px;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--input);font-size:16px;line-height:1.5}.draft-card .card-text-editor__input:focus{border-color:var(--purple);box-shadow:0 0 0 1px var(--purple)}.draft-card .card-text-editor__input[data-empty=true]:before{color:var(--muted)}.draft-card .card-text-editor__toolbar{display:none;position:absolute;z-index:3;top:13px;right:16px;width:auto;padding:2px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow)}.draft-card .card-text-editor:focus-within .card-text-editor__toolbar{display:flex}.draft-card__footer{display:flex;align-items:flex-end;gap:12px;margin-top:18px}.draft-card__footer .card-image-editor{flex:1;margin-top:0}.draft-card__remove{display:inline-flex;align-items:center;justify-content:center;flex:none;width:44px;height:44px;margin:0;padding:0;border:0;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer}.draft-card__remove:hover{color:var(--danger);background:var(--surface)}.draft-card__remove:focus-visible{outline:2px solid var(--purple);outline-offset:2px}.draft-card__remove:disabled{opacity:.5;cursor:default}@media(max-width:620px){.set-builder .draft-card{padding:12px 14px 10px;border-radius:16px}.draft-card .card-text-editor__toolbar{top:11px;right:12px}.draft-card__heading{margin-bottom:15px}}.set-card-editor{margin-top:22px;min-width:0}.set-card-editor .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.set-card-editor__fieldset{min-width:0;margin:0;padding:0;border:0}.set-card-editor__fieldset:disabled{opacity:.7}.set-card-editor__heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:16px}.set-card-editor__heading-label{display:flex;align-items:center;gap:9px}.set-card-editor__heading h2{margin:0;font-size:18px;letter-spacing:-.35px}.set-card-editor__heading-label>span{min-width:26px;padding:3px 8px;border-radius:7px;color:var(--muted);background:var(--surface-pressed);font-size:11px;font-weight:700;text-align:center}.set-card-editor__add-actions{display:flex;flex-shrink:0;gap:9px}.set-card-editor__add-actions .secondary{min-height:40px;padding:0 13px;font-size:12px}.set-card-editor__list{display:grid;gap:14px}.set-card-editor__reorder-help{margin:-3px 0 18px;color:var(--muted);font-size:12px;line-height:1.6}.set-card-editor__drag-handle.icon-button{width:44px;height:44px;border-color:transparent;color:var(--muted);background:transparent;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}.set-card-editor__drag-handle.icon-button:hover,.set-card-editor__drag-handle.icon-button:focus-visible{color:var(--purple);background:var(--purple-soft)}.set-card-editor__drag-handle.icon-button:active{cursor:grabbing}.set-card-editor__drag-handle.icon-button:disabled{cursor:default;opacity:.4}.set-card-editor__row.is-dragging{opacity:.45}.set-card-editor__row.drop-before{border-top-color:var(--purple);box-shadow:inset 0 4px var(--purple)}.set-card-editor__row.drop-after{border-bottom-color:var(--purple);box-shadow:inset 0 -4px var(--purple)}.set-card-editor__drag-preview{position:fixed;z-index:100;display:flex;align-items:center;gap:10px;width:208px;padding:10px 14px;border:1px solid var(--purple);border-radius:12px;color:var(--accent-text);background:var(--surface-raised);box-shadow:var(--shadow-strong);pointer-events:none}.set-card-editor__drag-preview strong,.set-card-editor__drag-preview small{display:block;line-height:1.5}.set-card-editor__drag-preview strong{font-size:13px}.set-card-editor__drag-preview small{color:var(--muted);font-size:11px}.set-card-editor__row{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:17px;background:var(--surface);box-shadow:var(--shadow);scroll-margin:20px}.set-card-editor__row.is-invalid{border-color:var(--danger)}.set-card-editor__row-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:7px 18px;border-bottom:1px solid var(--line)}.set-card-editor__row-heading>div{display:flex;align-items:center;gap:10px}.set-card-editor__row-heading strong{color:var(--text-secondary);font-size:12px}.set-card-editor__number{display:grid;place-items:center;width:27px;height:27px;border-radius:8px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}.set-card-editor__new{padding:3px 7px;border:1px solid var(--accent-border);border-radius:5px;color:var(--accent-text);font-size:10px;font-weight:700}.set-card-editor__remove.icon-button{width:33px;height:33px;border-color:transparent;color:var(--muted);background:transparent}.set-card-editor__remove.icon-button:hover{color:var(--danger);background:color-mix(in srgb,var(--danger) 8%,transparent)}.set-card-editor__fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;padding:14px 18px 12px}.set-card-editor__fields>div{min-width:0}.set-card-editor .card-text-editor__label{font-size:11px;color:var(--muted)}.set-card-editor .card-text-editor__input{min-height:78px}.set-card-editor .card-text-editor__toolbar{display:none}.set-card-editor .card-text-editor:focus-within .card-text-editor__toolbar{display:flex}.set-card-editor__invalid-field .card-text-editor__frame{border-color:var(--danger)}.set-card-editor__row-error{display:flex;align-items:center;gap:7px;margin:-3px 20px 16px;color:var(--danger);font-size:12px;line-height:1.5}.set-card-editor__row-error svg{flex-shrink:0}.set-card-editor__details{margin:0 18px;border-top:1px solid var(--line)}.set-card-editor__details summary{display:flex;align-items:center;gap:7px;width:fit-content;max-width:100%;padding:10px 0;color:var(--text-secondary);font-size:12px;font-weight:600;cursor:pointer;list-style:none}.set-card-editor__details summary::-webkit-details-marker{display:none}.set-card-editor__details summary svg{flex-shrink:0;transition:transform .15s}.set-card-editor__details[open] summary svg{transform:rotate(180deg)}.set-card-editor__details summary small{margin-left:4px;color:var(--muted);font-size:10px;font-weight:400}.set-card-editor__details summary:focus-visible{outline:2px solid var(--purple);outline-offset:3px;border-radius:3px}.set-card-editor__details-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:17px 18px;padding:1px 0 22px}.set-card-editor__details-grid label{display:flex;flex-direction:column;gap:6px;min-width:0;color:var(--text-secondary);font-size:12px;font-weight:700}.set-card-editor__details-grid label>span{color:var(--muted);font-size:11px;font-weight:400}.set-card-editor__details-grid input,.set-card-editor__details-grid textarea{margin-top:3px;font-family:inherit;font-size:13px;font-weight:400}.set-card-editor__hint,.set-card-editor__tags{grid-column:1 / -1}.set-card-editor__undo{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;padding:12px 15px;border:1px solid var(--accent-border);border-radius:11px;background:var(--purple-soft)}.set-card-editor__undo>span,.set-card-editor__undo button{display:inline-flex;align-items:center;gap:7px;font-size:12px;line-height:1.5}.set-card-editor__undo>span{color:var(--text-secondary)}.set-card-editor__undo svg{flex-shrink:0}.set-card-editor__undo button{flex-shrink:0;padding:4px 0}.set-card-editor__add-row{display:flex;align-items:center;justify-content:center;gap:11px;width:100%;min-height:88px;margin-top:18px;padding:18px;border:1px dashed var(--accent-border);border-radius:17px;color:var(--purple);background:var(--surface);cursor:pointer;transition:border-color .15s,background .15s}.set-card-editor__add-row:hover{border-color:var(--purple);background:var(--purple-soft)}.set-card-editor__add-row>span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--purple-soft)}.set-card-editor__add-row strong{font-size:13px}.set-card-editor__blank-note{margin:12px 0 22px;color:var(--muted);font-size:11px;text-align:center}.set-card-editor__empty{padding:42px 20px;border:1px solid var(--line);border-radius:17px;background:var(--surface);text-align:center}.set-card-editor__empty>svg{color:var(--purple)}.set-card-editor__empty h3{margin:14px 0 7px;font-size:18px;letter-spacing:-.3px}.set-card-editor__empty p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.set-card-editor__savebar{position:sticky;z-index:8;bottom:16px;padding:17px 20px;border:1px solid var(--accent-border);border-radius:16px;background:var(--surface);box-shadow:var(--shadow-strong)}.set-card-editor__savebar-main{display:flex;align-items:center;justify-content:space-between;gap:20px}.set-card-editor__save-status{min-width:0}.set-card-editor__save-status strong{display:block;color:var(--ink);font-size:13px;line-height:1.5}.set-card-editor__save-status span{display:block;margin-top:3px;color:var(--muted);font-size:11px;line-height:1.5}.set-card-editor__save-actions{display:flex;flex-shrink:0;gap:9px}.set-card-editor__save-actions button{font-size:12px}.set-card-editor__alert{display:flex;align-items:flex-start;gap:9px;margin-bottom:14px;padding-bottom:13px;border-bottom:1px solid var(--line);color:var(--danger);font-size:12px;line-height:1.6}.set-card-editor__alert svg{flex-shrink:0;margin-top:2px}@media(max-width:680px){.set-card-editor{margin-top:18px}.set-card-editor__heading{flex-wrap:wrap;gap:12px;margin-bottom:14px}.set-card-editor__fields{grid-template-columns:minmax(0,1fr);gap:16px;padding:14px}.set-card-editor__row-heading{padding:7px 14px}.set-card-editor__details{margin:0 14px}.set-card-editor__details-grid{grid-template-columns:minmax(0,1fr);gap:16px}.set-card-editor__details-grid input,.set-card-editor__details-grid textarea{font-size:16px}.set-card-editor__row-error{margin-right:14px;margin-left:14px}.set-card-editor__undo{align-items:flex-start;flex-direction:column;gap:7px}.set-card-editor__savebar{bottom:9px;padding:14px;border-radius:13px}.set-card-editor__savebar-main{flex-wrap:wrap;gap:13px}.set-card-editor__save-actions{width:100%}.set-card-editor__save-actions .secondary{flex:1}.set-card-editor__save-actions .primary{flex:2}.set-card-editor__save-status{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 12px}.set-card-editor__save-status span{margin-top:0}.set-card-editor__add-row{min-height:77px}}.study-metric-icon{display:inline-block;flex:none;vertical-align:middle}.stat-row .stat-icon{display:grid;place-items:center}.stat-icon .study-metric-icon{display:block}.learn-setup-page{min-height:calc(100vh - 78px);padding:38px 24px 64px;background:radial-gradient(ellipse at 50% 0,var(--purple-soft),transparent 65%)}.learn-setup-card{max-width:850px;margin:0 auto;padding:30px;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow)}.learn-setup-card>header{display:flex;justify-content:space-between;align-items:center;gap:16px}.learn-setup-card>header>span{color:var(--muted);font-size:12px}.learn-setup-heading{display:flex;align-items:center;gap:18px;margin:28px 0}.learn-setup-heading h1{margin:3px 0 6px;font-size:32px;letter-spacing:-.04em}.learn-setup-heading p{margin:0;color:var(--muted);font-size:12px}.learn-setup-heading .eyebrow{color:var(--accent-text);font-size:9px}.learn-setup-card fieldset{min-width:0;margin:0;padding:0;border:0}.learn-setup-card legend{margin-bottom:12px;font-size:13px;font-weight:800}.learn-setup-card legend span{margin-left:8px;color:var(--muted);font-size:10px;font-weight:500}.learn-setup-card .learn-mode{margin-bottom:24px}.learn-mode>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.learn-mode label{display:grid;grid-template-columns:17px 1fr;align-content:start;gap:8px;padding:16px;border:1px solid var(--line);border-radius:13px;cursor:pointer}.learn-mode label.selected{background:var(--purple-soft);border-color:var(--accent-border)}.learn-mode input{width:14px;height:14px;margin:0;accent-color:var(--purple)}.learn-mode strong{font-size:13px}.learn-mode label>span{grid-column:1/-1;color:var(--muted);font-size:11px;line-height:1.5}.learn-setup-types{display:grid;gap:8px}.learn-type-toggle{display:flex;align-items:center;gap:14px;width:100%;padding:16px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--muted);text-align:left;cursor:pointer}.learn-type-toggle.enabled{border-color:var(--accent-border);background:var(--purple-soft);color:var(--accent-text)}.learn-type-toggle>span:nth-child(2){flex:1}.learn-type-toggle strong,.learn-type-toggle small{display:block}.learn-type-toggle strong{color:var(--ink);font-size:12px}.learn-type-toggle small{margin-top:4px;color:var(--muted);font-size:10px;line-height:1.5}.learn-switch{width:36px;height:21px;flex:none;padding:3px;border-radius:20px;background:var(--text-faint)}.learn-switch i{display:grid;place-items:center;width:15px;height:15px;border-radius:50%;background:var(--surface);color:var(--purple);transition:transform .15s}.enabled .learn-switch{background:var(--purple)}.enabled .learn-switch i{transform:translate(15px)}.learn-setup-options{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:25px 0}.learn-segmented{display:flex;padding:4px;border:1px solid var(--line);border-radius:12px;background:var(--surface-soft)}.learn-segmented button{flex:1;display:flex;justify-content:center;align-items:center;gap:6px;min-height:38px;padding:8px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--muted);font-size:11px;font-weight:700;cursor:pointer}.learn-segmented button[aria-pressed=true]{border-color:var(--line);background:var(--surface);color:var(--accent-text);box-shadow:var(--shadow)}.learn-setup-options p,.learn-setup-footnote{color:var(--muted);font-size:10px;line-height:1.65}.learn-grading>div{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.learn-grading label{display:grid;grid-template-columns:17px 1fr;align-content:start;gap:8px;padding:15px;border:1px solid var(--line);border-radius:12px;cursor:pointer}.learn-grading label.selected{background:var(--purple-soft);border-color:var(--accent-border)}.learn-grading input{width:14px;height:14px;margin:0;accent-color:var(--purple)}.learn-grading strong{font-size:12px}.learn-grading label>span{grid-column:1/-1;color:var(--muted);font-size:10px;line-height:1.65}.learn-grading:disabled{opacity:.5}.learn-setup-card>footer{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}.learn-setup-card>footer>p{color:var(--muted);font-size:10px}.learn-setup-notice{padding:10px 12px;border-radius:9px;color:var(--warning);background:var(--warning-soft);font-size:11px;line-height:1.5}.learn-question-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;color:var(--muted);font-size:11px}.learn-question-controls .learn-direction{display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;color:var(--accent-text);background:var(--surface);font-size:11px;cursor:pointer}.learn-question-controls .learn-direction:disabled{opacity:.6;cursor:default}.learn-session .learn-flashcard{min-height:290px;margin-top:20px}.learn-session .grade-actions{margin-top:22px}.learn-session .card-photo{margin:18px auto}.draft-card>.card-image-editor{grid-column:2/4}.set-builder>.sticky-actions{bottom:0}@media(max-width:620px){.draft-card>.card-image-editor{grid-column:1/-1}}@media(max-width:600px){.learn-setup-page{padding:20px 12px 40px}.learn-setup-card{padding:20px 16px;border-radius:18px}.learn-setup-heading{gap:12px;margin:24px 0}.learn-setup-heading h1{font-size:27px}.learn-setup-options{grid-template-columns:1fr;gap:12px}.learn-grading>div{grid-template-columns:1fr}.learn-setup-card legend span{display:block;margin:5px 0 0;line-height:1.5}.learn-setup-card>footer{align-items:stretch;flex-direction:column;gap:7px}.learn-setup-card>footer>p{margin:0 0 8px}.learn-question-controls{flex-wrap:wrap}.draft-card>.card-image-editor{grid-column:1/-1}}.practice-length-options{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:0 0 26px}.practice-custom-setup .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.practice-length-options p{color:var(--muted);font-size:11px;line-height:1.6}.practice-count-input{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.practice-count-input input,.practice-minutes input{width:84px;min-height:44px;padding:10px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--surface-soft);font:inherit}.practice-count-input>span,.practice-minutes{color:var(--muted);font-size:12px}.practice-minutes{display:flex;align-items:center;gap:9px;margin-top:10px}.practice-session .practice-flashcard{min-height:260px;margin:16px 0}.practice-session .grade-actions{margin:18px 0}.test-settings-summary{color:var(--muted);font-size:11px;line-height:1.6}@media(max-width:600px){.practice-length-options{grid-template-columns:1fr;gap:20px}}.handwriting-trigger{display:inline-flex;align-items:center;justify-content:center;flex:none;width:44px;height:44px;padding:0;border:1px solid var(--accent-border, var(--line));border-radius:11px;color:var(--accent-text, var(--purple));background:var(--purple-soft);cursor:pointer}.handwriting-trigger:hover:not(:disabled){border-color:var(--purple);background:var(--surface-pressed)}.handwriting-trigger:disabled{opacity:.42;cursor:not-allowed}.handwriting-trigger:focus-visible,.handwriting-dialog button:focus-visible,.handwriting-dialog textarea:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}.handwriting-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1200;display:flex;align-items:center;justify-content:center;padding:24px;overflow:auto;overscroll-behavior:contain;background:#0d0c18a8;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}.handwriting-dialog{width:min(920px,100%);max-height:calc(100dvh - 48px);overflow:auto;overscroll-behavior:contain;padding:25px;border:1px solid var(--line);border-radius:23px;background:var(--surface);color:var(--ink);box-shadow:0 24px 100px #0000004d;outline:none}.handwriting-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin:0 0 16px}.handwriting-eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--accent-text, var(--purple));font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.handwriting-heading h2{margin:7px 0 6px;font-size:28px;letter-spacing:-.035em;line-height:1.12}.handwriting-heading p{margin:0;max-width:640px;color:var(--text-secondary);font-size:12px;line-height:1.6}.handwriting-close{display:grid;place-items:center;flex:none;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:11px;color:var(--muted);background:var(--surface);cursor:pointer}.handwriting-field-label{display:block;margin:0 0 8px;color:var(--text-secondary);font-size:12px;font-weight:650}.handwriting-textarea{display:block;width:100%;min-height:270px;height:clamp(270px,43dvh,450px);resize:vertical;padding:20px;border:1px solid #dcdae6;border-radius:13px;background:#fff;color:#20233a;caret-color:#6550b4;font-family:inherit;font-weight:400;font-size:20px;line-height:1.7;-webkit-user-select:text;user-select:text}.handwriting-textarea:read-only{background:#f1f0f5}.handwriting-setup{margin:12px 0 0;color:var(--muted);font-size:11px;line-height:1.6}.handwriting-setup strong{font-weight:600;color:var(--text-secondary)}.handwriting-dialog button:disabled{opacity:.42;cursor:not-allowed}.handwriting-error,.handwriting-deadline{margin:12px 0 0;padding:11px 13px;border-radius:10px;font-size:12px;line-height:1.55}.handwriting-error{border:1px solid var(--danger-border,#e7b8bf);color:var(--danger,#b5324a);background:var(--danger-soft,#fff0f2)}.handwriting-deadline{border:1px solid var(--accent-border,var(--line));color:var(--accent-text);background:var(--purple-soft)}.handwriting-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px}.handwriting-footer>p{display:block;margin:0;color:var(--text-secondary);font-size:11px;line-height:1.6}.handwriting-footer>p>svg{display:inline;margin:0 5px -3px 0;color:var(--accent-text)}.handwriting-footer small{display:block;margin-top:3px;color:var(--muted);font-size:10px}.handwriting-footer>div{display:flex;flex:none;gap:8px}.handwriting-cancel,.handwriting-done{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:90px;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:11px;font-size:12px;font-weight:750;cursor:pointer}.handwriting-cancel{color:var(--text-secondary);background:var(--surface)}.handwriting-done{border-color:var(--purple);color:var(--on-accent,#fff);background:var(--purple)}@media(max-width:600px){.handwriting-backdrop{align-items:center;padding:10px}.handwriting-dialog{max-height:calc(100dvh - 20px);padding:17px;border-radius:18px}.handwriting-heading{gap:10px;margin-bottom:10px}.handwriting-heading h2{font-size:25px}.handwriting-heading p{font-size:11px}.handwriting-textarea{min-height:230px;height:40dvh}.handwriting-footer{align-items:stretch;flex-direction:column;gap:12px;margin-top:14px}.handwriting-footer>div{justify-content:flex-end}.handwriting-footer button{flex:1}}@media(max-height:600px)and (min-width:601px){.handwriting-backdrop{align-items:flex-start;padding:12px}.handwriting-dialog{max-height:calc(100dvh - 24px);padding:18px}.handwriting-textarea{min-height:180px;height:35dvh}}.coach-screen{min-width:0;overflow-wrap:anywhere}.coach-screen button{min-height:44px}.coach-screen button:focus-visible,.coach-screen summary:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}.coach-screen input,.coach-screen textarea{width:100%;min-width:0;font:inherit;font-size:16px;line-height:1.6;color:var(--ink);background:var(--input)}.coach-screen textarea{resize:vertical}.coach-screen button:disabled{cursor:not-allowed}.coach-symbol{width:49px;height:49px;flex:none;display:grid;place-items:center;border:1px solid var(--accent-border);border-radius:16px;color:var(--accent-text);background:var(--purple-soft)}.coach-symbol.mint{color:var(--accent-text);border-color:var(--accent-border);background:var(--purple-soft)}.coach-screen .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.coach-set-label svg,.coach-status svg,.coach-filter svg,.coach-question-set svg{flex:none}.coach-page-heading{display:flex;justify-content:space-between;align-items:center;gap:18px}.coach-page-heading h1{font-size:38px}.coach-page-heading p:last-child{margin:12px 0 0;color:var(--muted);font-size:14px;line-height:1.6}.coach-resume{display:grid;gap:10px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}.coach-resume p{margin:0;color:var(--text-secondary);font-size:12px;line-height:1.8}.coach-resume strong{display:block;color:var(--ink)}.coach-resume small{color:var(--muted);line-height:1.5}.coach-mastery-path{display:grid;gap:0;margin:25px 0;padding:0;list-style:none}.coach-mastery-path li{position:relative;display:flex;align-items:flex-start;gap:12px;padding:0 0 21px}.coach-mastery-path li:last-child{padding-bottom:0}.coach-mastery-path li:not(:last-child):before{position:absolute;content:"";top:30px;bottom:0;left:15px;width:1px;background:var(--line)}.coach-mastery-path li>span{position:relative;z-index:1;display:grid;place-items:center;width:31px;height:31px;flex:none;border:1px solid var(--line);border-radius:50%;color:var(--muted);background:var(--surface-soft)}.coach-mastery-path li.earned>span{color:var(--success);border-color:var(--success-border);background:var(--success-soft)}.coach-mastery-path strong{display:block;margin-top:1px;color:var(--text-secondary);font-size:12px}.coach-mastery-path small{display:block;margin-top:4px;color:var(--muted);font-size:11px;line-height:1.4}.coach-memory{margin-top:26px}.coach-memory-intro{display:flex;align-items:flex-start;gap:17px;padding:23px;border:1px solid var(--accent-border);border-radius:19px;background:var(--purple-soft)}.coach-memory-intro h2{margin:1px 0 8px;font-size:22px;letter-spacing:-.6px}.coach-memory-intro p{margin:0;color:var(--text-secondary);font-size:13px;line-height:1.6}.coach-memory-controls{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:25px 0 18px}.coach-filter{display:flex;gap:6px;flex-wrap:wrap}.coach-filter button{display:flex;align-items:center;gap:7px;padding:0 12px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text-secondary);font-size:12px;font-weight:700}.coach-filter button[aria-pressed=true]{color:var(--accent-text);border-color:var(--accent-border);background:var(--purple-soft)}.coach-filter button span{display:grid;place-items:center;min-width:19px;padding:2px 4px;border-radius:6px;background:var(--surface-raised);font-size:10px}.coach-search{width:220px;max-width:100%}.coach-search input{height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--input);font-size:12px}.coach-mistake-list{display:grid;gap:19px}.coach-mistake{min-width:0;padding:24px;border:1px solid var(--line);border-radius:19px;background:var(--surface)}.coach-mistake>header{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:19px}.coach-set-label{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.coach-mistake h3{margin:7px 0 0;font-size:21px;letter-spacing:-.4px}.coach-status{display:inline-flex;align-items:center;gap:5px;flex:none;padding:6px 9px;border-radius:8px;font-size:10px;font-weight:700}.coach-status.revisit{color:var(--warning);background:var(--warning-soft)}.coach-status.retained{color:var(--success);background:var(--success-soft)}.coach-tested-prompt{margin:0 0 17px;padding:13px 15px;border-radius:11px;background:var(--surface-soft)}.coach-tested-prompt small{color:var(--text-secondary);font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.coach-tested-prompt p{margin:7px 0 0;color:var(--text-secondary);font-size:12px;line-height:1.65;white-space:pre-wrap}.coach-comparison{display:grid;grid-template-columns:1fr 1fr;gap:12px}.coach-comparison>div{min-width:0;padding:14px 16px;border:1px solid;border-radius:12px}.coach-comparison small{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.coach-comparison p{margin:7px 0 0;color:var(--ink);font-size:13px;line-height:1.65;white-space:pre-wrap}.coach-comparison .your-answer{border-color:var(--danger-border);background:var(--danger-soft)}.coach-comparison .your-answer small{color:var(--danger)}.coach-comparison .expected-answer{border-color:var(--success-border);background:var(--success-soft)}.coach-comparison .expected-answer small{color:var(--success)}.coach-confidence-note{display:block;margin-top:8px;color:var(--warning);font-size:10px}.coach-rationale,.coach-pattern{margin:14px 0;color:var(--text-secondary);font-size:12px;line-height:1.6}.coach-pattern{display:flex;gap:8px;padding:12px;border-radius:10px;background:var(--warning-soft);color:var(--warning)}.coach-pattern svg{flex:none;margin-top:3px}.coach-related{display:flex;gap:11px;padding:14px;margin:14px 0;border:1px solid var(--accent-border);border-radius:12px;background:var(--surface-soft);color:var(--text-secondary)}.coach-related svg{flex:none;margin-top:2px}.coach-related strong{font-size:12px}.coach-related p{margin:7px 0 0;color:var(--text-secondary);font-size:12px;line-height:1.6}.coach-source{margin:16px 0;border:1px solid var(--line);border-radius:12px;background:var(--surface-raised)}.coach-source summary{display:flex;align-items:center;gap:8px;min-height:44px;padding:10px 13px;color:var(--text-secondary);font-size:12px;font-weight:700;cursor:pointer}.coach-source summary:after{content:"+";margin-left:auto;font-size:17px}.coach-source[open] summary:after{content:"−"}.coach-source summary::-webkit-details-marker{display:none}.coach-source>div{padding:0 16px 16px;color:var(--text-secondary);font-size:12px;line-height:1.7}.coach-source p{margin:7px 0;white-space:pre-wrap}.coach-source blockquote{margin:14px 0;padding:8px 14px;border-left:3px solid var(--accent-border);color:var(--text-secondary);background:var(--surface-soft)}.coach-source small{color:var(--muted);font-size:10px}.coach-source-note{font-size:11px}.coach-mistake .coach-mastery-path{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:24px 0 19px}.coach-mistake .coach-mastery-path li{padding:0;gap:7px}.coach-mistake .coach-mastery-path li:before{display:none}.coach-mistake .coach-mastery-path li>span{width:25px;height:25px}.coach-mistake .coach-mastery-path strong{font-size:10px}.coach-mistake .coach-mastery-path small{font-size:9px}.coach-mistake footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:15px;border-top:1px solid var(--line)}.coach-mistake footer p{max-width:340px;margin:0;color:var(--muted);font-size:11px;line-height:1.6}.coach-mistake footer button{flex:none;font-size:12px}.coach-empty{display:flex;flex-direction:column;align-items:center;padding:44px 24px;border:1px dashed var(--line);border-radius:18px;text-align:center}.coach-empty h3{margin:20px 0 10px;font-size:23px}.coach-empty p{max-width:460px;margin:0 0 20px;color:var(--muted);font-size:13px;line-height:1.7}.coach-error{padding:13px 15px;border:1px solid var(--danger-border);border-radius:11px;color:var(--danger);background:var(--danger-soft);font-size:12px;line-height:1.6}.coach-session{max-width:1250px;margin:0 auto;padding:25px clamp(18px,3vw,48px) calc(50px + env(safe-area-inset-bottom))}.coach-session-top{display:flex;align-items:center;justify-content:space-between;gap:16px}.coach-session-top>div{text-align:center}.coach-session-top strong{display:block;color:var(--text-secondary);font-size:13px}.coach-session-top>div>span{display:block;margin-top:5px;color:var(--muted);font-size:11px}.coach-session-top time{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.coach-back{display:flex;align-items:center;gap:8px;padding:0;border:0;background:transparent;color:var(--muted);font-size:12px;font-weight:600}.coach-session-progress{height:4px;margin-top:20px;border-radius:8px;overflow:hidden;background:var(--purple-soft)}.coach-session-progress>span{display:block;height:100%;border-radius:inherit;background:var(--purple);transition:width .2s ease}.coach-question-layout{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:38px;padding-top:35px}.coach-question-main{min-width:0}.coach-question-meta{display:flex;align-items:center;justify-content:space-between;gap:15px}.coach-question-set{display:flex;align-items:center;justify-content:flex-end;gap:5px}.coach-question-meta>span:last-child{color:var(--muted);font-size:11px;text-align:right}.coach-stage{display:flex;align-items:center;gap:6px;width:max-content;padding:7px 10px;border-radius:8px;color:var(--accent-text);background:var(--purple-soft);font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.coach-stage.retain{background:var(--success-soft);color:var(--success)}.coach-stage.apply{background:var(--warning-soft);color:var(--warning)}.coach-why{display:flex;align-items:flex-start;gap:6px;margin:11px 0 23px;color:var(--muted);font-size:11px;line-height:1.5}.coach-why svg{flex:none;margin-top:1px}.coach-question-prompt{font-size:clamp(23px,2.6vw,34px);line-height:1.38;letter-spacing:-.65px;color:var(--ink);margin:0 0 26px;outline:none}.coach-answer-field>legend{margin-bottom:12px;color:var(--muted);font-size:11px}.coach-options{display:grid;gap:10px}.coach-options>button{display:flex;align-items:center;gap:13px;padding:16px;border:1px solid var(--line);border-radius:13px;background:var(--surface);text-align:left;font-size:14px;line-height:1.6;transition:border-color .15s,background .15s}.coach-options>button>span:first-child{display:grid;place-items:center;flex:none;width:28px;height:28px;border:1px solid var(--line);border-radius:8px;color:var(--muted);font-size:11px;font-weight:700}.coach-options>button>.card-rich-text{flex:1;min-width:0;color:var(--text-secondary)}.coach-options>button.selected{border-color:var(--accent-border);background:var(--purple-soft);box-shadow:0 0 0 1px var(--accent-border)}.coach-options>button.selected>span:first-child{background:var(--purple);color:var(--on-accent);border-color:var(--purple)}.coach-options>button.correct{border-color:var(--success-border);background:var(--success-soft);box-shadow:none}.coach-options>button.correct>span:first-child{color:var(--success);background:var(--success-soft);border-color:var(--success-border)}.coach-options>button.incorrect{border-color:var(--danger-border);background:var(--danger-soft);box-shadow:none}.coach-options>button>svg{flex:none;color:var(--success)}.coach-answer-field>input,.coach-answer-field>textarea{padding:15px 17px;border:1px solid var(--accent-border);border-radius:13px;background:var(--input)}.coach-answer-field>input{min-height:44px}.coach-answer-field>input:focus,.coach-answer-field>textarea:focus,.coach-thinking textarea:focus{border-color:var(--focus-ring);outline:2px solid var(--focus-ring);outline-offset:2px}.coach-confidence{margin-top:22px}.coach-reasoning{margin-top:16px;color:var(--text-secondary);font-size:12px}.coach-reasoning summary{display:flex;align-items:center;gap:7px;min-height:44px;padding:6px 0;cursor:pointer;font-weight:600}.coach-reasoning summary>span{font-size:10px;font-weight:400}.coach-reasoning summary:after{content:"+";margin-left:auto;font-size:18px}.coach-reasoning[open] summary:after{content:"−"}.coach-reasoning summary::-webkit-details-marker{display:none}.coach-reasoning label{display:block;margin-top:8px;font-size:12px}.coach-reasoning textarea{display:block;padding:11px 13px;margin-top:9px;border:1px solid var(--line);border-radius:10px;font-size:16px}.coach-confidence legend{color:var(--muted);font-size:11px}.coach-confidence legend span{padding-left:5px;font-weight:400}.coach-confidence>div{display:flex;gap:8px}.coach-confidence button{display:flex;align-items:center;justify-content:center;gap:6px;padding:0 14px;border:1px solid var(--line);border-radius:10px;color:var(--text-secondary);background:var(--surface);font-size:12px}.coach-confidence button[aria-pressed=true]{color:var(--accent-text);background:var(--purple-soft);border-color:var(--accent-border)}.coach-answer-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:25px;padding-bottom:10px}.coach-answer-actions>.primary{min-width:170px;font-size:13px}.coach-reveal,.coach-stop{display:flex;justify-content:center;align-items:center;gap:7px;padding:0 6px;border:0;color:var(--muted);background:transparent;font-size:12px;cursor:pointer}.coach-session-aside{align-self:start;border-left:1px solid var(--line);padding:8px 0 0 23px}.coach-session-aside>.eyebrow{font-size:9px;color:var(--muted)}.coach-session-aside .coach-mastery-path{margin-top:22px}.coach-session-tip{display:flex;gap:9px;margin-top:26px;padding:14px 0;border-top:1px solid var(--line);color:var(--muted)}.coach-session-tip svg{flex:none}.coach-session-tip p{margin:0;font-size:11px;line-height:1.7}.coach-session-aside>.coach-stop{margin-top:10px}.coach-feedback{margin-top:25px;padding:22px;border:1px solid var(--accent-border);border-radius:17px;background:var(--purple-soft)}.coach-feedback.correct{border-color:var(--success-border);background:var(--success-soft)}.coach-feedback-title{display:flex;align-items:flex-start;gap:12px}.coach-feedback-title>span{flex:none;color:var(--muted)}.coach-feedback.correct .coach-feedback-title>span{color:var(--success)}.coach-feedback h2{margin:0;font-size:18px;letter-spacing:-.3px;line-height:1.4;color:var(--accent-text)}.coach-feedback.correct h2{color:var(--success)}.coach-feedback-title p{margin:7px 0 0;color:var(--muted);font-size:12px;line-height:1.6}.coach-feedback.correct .coach-feedback-title p{color:var(--success)}.coach-feedback .coach-comparison{margin-top:19px}.coach-thinking{display:block;margin-top:20px;color:var(--text-secondary);font-size:12px;font-weight:700}.coach-thinking>span{display:block;margin:5px 0 9px;color:var(--muted);font-size:10px;font-weight:400}.coach-thinking textarea{padding:10px 13px;border:1px solid var(--accent-border);border-radius:10px;background:var(--surface-raised);font-size:14px;font-weight:400}.coach-evaluation{margin:17px 0;color:var(--text-secondary);font-size:13px;line-height:1.75}.coach-save-status{display:flex;align-items:center;gap:6px;margin:17px 0 0;color:var(--muted);font-size:10px}.coach-feedback-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}.coach-feedback-actions>.primary{font-size:13px}.coach-loading{padding:40px 20px;text-align:center;color:var(--accent-text)}.coach-loading h2{margin:15px 0 8px;font-size:21px}.coach-loading p{font-size:13px;line-height:1.7}.coach-question-error{margin:20px 0;padding:21px;border:1px solid var(--warning-border);border-radius:14px;background:var(--warning-soft);color:var(--warning)}.coach-question-error h3{margin:0 0 9px;font-size:18px}.coach-question-error p{font-size:13px;line-height:1.7}.coach-question-error>div{display:flex;flex-wrap:wrap;gap:10px}.coach-question-error button{font-size:12px}.coach-fallback-note{padding:10px 13px;border-radius:9px;color:var(--muted);background:var(--purple-soft);font-size:11px;line-height:1.6}.coach-complete{display:grid;place-items:center;min-height:70vh}.coach-complete-card{width:min(620px,100%);padding:38px;border:1px solid var(--accent-border);border-radius:24px;background:radial-gradient(circle at 100% 0,var(--purple-soft),transparent 45%),var(--surface);text-align:center}.coach-complete-card>.coach-symbol{margin:0 auto 22px;width:62px;height:62px;border-radius:20px}.coach-complete-card h1{font-size:34px;line-height:1.2}.coach-complete-card>p:not(.eyebrow):not(.coach-error){max-width:420px;margin:15px auto 25px;color:var(--muted);font-size:13px;line-height:1.75}.coach-result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:25px 0}.coach-result-grid>div{padding:18px 12px;border:1px solid var(--accent-border);border-radius:13px;background:var(--surface-soft)}.coach-result-grid strong{display:block;color:var(--accent-text);font:800 29px Manrope,sans-serif}.coach-result-grid .coach-result-metric{display:flex;align-items:center;justify-content:center;gap:8px}.coach-result-grid span{display:block;margin-top:5px;color:var(--muted);font-size:11px}.coach-complete-note{display:flex;align-items:flex-start;gap:12px;padding:15px;border-radius:12px;color:var(--success);background:var(--success-soft);text-align:left}.coach-complete-note svg{flex:none;color:var(--success)}.coach-complete-note p{margin:0;font-size:12px;line-height:1.7}.coach-complete-actions{display:flex;justify-content:center;gap:10px;margin-top:25px}.coach-complete-actions button{font-size:12px}.coach-resume small,.coach-mastery-path small,.coach-rationale,.coach-source small,.coach-mistake footer p,.coach-empty p,.coach-session-top>div>span,.coach-session-top time,.coach-question-meta>span:last-child,.coach-why,.coach-answer-field>legend,.coach-confidence legend,.coach-confidence button,.coach-reveal,.coach-stop,.coach-session-aside>.eyebrow,.coach-session-tip,.coach-feedback-title p,.coach-save-status,.coach-fallback-note,.coach-complete-card>p:not(.eyebrow):not(.coach-error),.coach-result-grid span,.coach-thinking>span{color:var(--text-secondary)}.coach-feedback.correct .coach-feedback-title p,.coach-complete-note,.coach-complete-note svg{color:var(--success)}@media(min-width:1400px){.coach-question-layout{grid-template-columns:minmax(0,1fr) 235px;gap:50px}}@media(max-width:1100px){.coach-question-layout{grid-template-columns:minmax(0,1fr)}.coach-session-aside{display:none}.coach-mistake .coach-mastery-path{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.coach-memory-controls{align-items:stretch;flex-direction:column}.coach-search{width:100%}.coach-search input{font-size:16px}}@media(max-width:767px){.coach-screen.content{padding-top:29px}.coach-page-heading h1{font-size:32px}.coach-page-heading p:last-child{font-size:12px}.coach-page-heading>.coach-symbol{display:none}.coach-memory-intro{gap:12px;padding:20px}.coach-memory-intro .coach-symbol{width:38px;height:38px;border-radius:12px}.coach-memory-intro h2{font-size:18px}.coach-memory-intro p{font-size:12px}.coach-mistake{padding:20px}.coach-comparison{grid-template-columns:minmax(0,1fr);gap:9px}.coach-mistake footer{display:block}.coach-mistake footer p{margin-bottom:13px}.coach-mistake footer button{width:100%}.coach-session{padding:18px 22px calc(30px + env(safe-area-inset-bottom))}.coach-session-top{gap:10px}.coach-session-top time>span{display:none}.coach-session-top time{font-size:11px}.coach-session-top strong{font-size:12px}.coach-back{gap:5px;font-size:11px}.coach-question-layout{padding-top:24px}.coach-question-prompt{font-size:25px;margin-bottom:23px}.coach-question-meta>span:last-child{font-size:10px}.coach-answer-actions{position:sticky;z-index:3;bottom:0;padding:12px 0 calc(12px + env(safe-area-inset-bottom));background:linear-gradient(0deg,var(--page) 92%,transparent)}.coach-feedback{padding:20px}.coach-feedback-actions{flex-wrap:wrap}.coach-feedback-actions>.primary{flex:1}.coach-feedback-actions>.coach-stop{flex:1;white-space:nowrap}.coach-complete-card{padding:29px 22px}.coach-complete-card h1{font-size:28px}.coach-complete-actions{flex-direction:column}}@media(max-width:380px){.coach-screen.content,.coach-session{padding-left:16px;padding-right:16px}.coach-mistake{padding:16px}.coach-mistake>header{flex-direction:column;gap:10px}.coach-mistake .coach-mastery-path strong{font-size:9px}.coach-session-top strong{font-size:11px}.coach-session-top time{font-size:10px;gap:4px}.coach-session-top time svg{width:13px}.coach-question-prompt{font-size:23px}.coach-options>button{padding:13px;gap:10px;font-size:13px}.coach-feedback{padding:16px}.coach-answer-actions{flex-wrap:wrap;gap:5px}.coach-answer-actions>.primary{flex:1;min-width:150px}.coach-reveal{font-size:11px}.coach-filter button{padding:0 8px;font-size:11px}}@media(prefers-reduced-motion:reduce){.coach-screen *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.appearance-settings .settings-card-head p{max-width:620px;line-height:1.6;font-size:12px}.theme-picker{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;min-width:0;margin:20px 0 0;padding:0;border:0}.theme-option{position:relative;display:block;min-width:0;cursor:pointer;-webkit-tap-highlight-color:transparent}.theme-option input{position:absolute;width:1px;height:1px;margin:-1px;padding:0;clip-path:inset(50%);overflow:hidden;white-space:nowrap;border:0}.theme-option-body{display:flex;flex-direction:column;height:100%;min-height:175px;padding:8px 8px 12px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--ink);transition:border-color .12s ease,box-shadow .12s ease}.theme-option:hover .theme-option-body{border-color:var(--accent-border);background:var(--surface-soft)}.theme-option input:checked+.theme-option-body{border-color:var(--purple);box-shadow:0 0 0 1px var(--purple);background:var(--purple-soft)}.theme-option input:focus-visible+.theme-option-body{outline:3px solid var(--focus-ring);outline-offset:4px}.theme-option-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:10px 3px 4px}.theme-option-heading strong{font-size:13px;font-weight:750;line-height:1.5}.theme-option-check{display:grid;place-items:center;flex:none;width:20px;height:20px;border:1px solid var(--line);border-radius:50%;color:transparent}.theme-option input:checked+.theme-option-body .theme-option-check{color:var(--on-accent);background:var(--purple);border-color:var(--purple)}.theme-option-description{margin:0 3px;color:var(--text-secondary);font-size:11px;line-height:1.5}.theme-picker-note{margin:16px 0 0;color:var(--muted);font-size:11px;line-height:1.6}.text-mode-picker{min-width:0;margin:24px 0 0;padding:0;border:0}.text-mode-picker legend{padding:0;color:var(--ink);font-size:14px;font-weight:750}.text-mode-picker>p{margin:7px 0 14px;color:var(--text-secondary);font-size:12px;line-height:1.6}.text-mode-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.text-mode-option .text-mode-option-body{flex-direction:row;align-items:center;gap:13px;min-height:98px;padding:14px}.text-mode-preview{display:grid;place-items:center;flex:none;width:46px;height:46px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:21px;font-weight:750}.text-mode-copy{flex:1;min-width:0}.text-mode-copy .theme-option-heading{margin:0 0 5px}.text-mode-copy .theme-option-description{display:block;margin:0;font-size:12px}.theme-preview{display:flex;gap:8px;height:89px;overflow:hidden;border:1px solid color-mix(in srgb,var(--preview-ink) 12%,transparent);border-radius:7px;background:var(--preview-page)}.theme-preview-sidebar{display:flex;flex:none;flex-direction:column;align-items:center;gap:7px;width:25%;padding-top:12px;background:var(--preview-surface);border-right:1px solid color-mix(in srgb,var(--preview-ink) 9%,transparent)}.theme-preview-sidebar i{display:block;width:45%;height:3px;border-radius:3px;background:var(--preview-ink);opacity:.22}.theme-preview-sidebar i:first-child{height:7px;margin-bottom:3px;opacity:1;background:var(--preview-accent)}.theme-preview-sidebar i:nth-child(2){opacity:.75;background:var(--preview-accent)}.theme-preview-main{display:flex;flex:1;flex-direction:column;gap:6px;min-width:0;padding:12px 8px 8px 0}.theme-preview-heading{display:block;width:61%;height:4px;background:var(--preview-ink);border-radius:3px;opacity:.7}.theme-preview-card{display:flex;flex-direction:column;gap:4px;padding:7px;border:1px solid color-mix(in srgb,var(--preview-ink) 8%,transparent);border-radius:4px;background:var(--preview-surface)}.theme-preview-card i{display:block;width:90%;height:3px;border-radius:2px;background:var(--preview-ink);opacity:.16}.theme-preview-card i:nth-child(2){width:66%}.theme-preview-card b{width:35%;height:6px;margin-top:1px;border-radius:2px;background:var(--preview-accent)}.theme-preview-bottom{display:flex;gap:4px}.theme-preview-bottom i{flex:1;height:10px;border-radius:3px;background:var(--preview-accent);opacity:.2}@media(max-width:1100px){.theme-picker{grid-template-columns:repeat(3,minmax(0,1fr))}.theme-option-body{min-height:177px}}@media(max-width:600px){.theme-picker{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}.appearance-settings .settings-card-head{align-items:flex-start}.appearance-settings .settings-card-head p,.theme-option-description{font-size:12px}.theme-option-heading strong{font-size:14px}.theme-picker-note{font-size:12px}.text-mode-options{grid-template-columns:1fr}.text-mode-option .text-mode-option-body{min-height:90px}}@media(prefers-reduced-motion:reduce){.theme-option-body{transition:none}}.class-notes-screen{max-width:1320px}.notes-page-heading{align-items:center;margin-bottom:30px;gap:20px}.notes-page-heading h1{margin:5px 0 8px;font-size:clamp(27px,3vw,36px);letter-spacing:-1px}.notes-page-heading p:last-child{margin:0;color:var(--muted);font-size:14px}.notes-page-heading>button{flex-shrink:0}.notes-filters{display:flex;gap:12px;margin:0 0 22px}.notes-search{display:flex;flex:1;align-items:center;gap:9px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--muted)}.notes-search input{width:100%;padding:13px 0;border:0;background:transparent;color:var(--ink);outline:none}.notes-search:focus-within{outline:2px solid var(--focus-ring)}.notes-filters select,.notes-metadata select{max-width:220px;border:1px solid var(--line);border-radius:10px;background:var(--input);color:var(--text-secondary);padding:10px 12px}.notes-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.note-card{display:flex;flex-direction:column;align-items:flex-start;text-align:left;border:1px solid var(--line);border-radius:18px;padding:24px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow);transition:border-color .2s,transform .2s;min-width:0}.note-card:hover{border-color:var(--accent-border);transform:translateY(-2px)}.note-card-icon{display:grid;place-items:center;height:44px;width:44px;border-radius:14px;background:var(--purple-soft);color:var(--purple);margin-bottom:20px}.note-card-folder{font-size:11px;color:var(--muted)}.note-card h2{font-size:18px;margin:8px 0;overflow-wrap:anywhere}.note-card>p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 22px;font-weight:400;min-height:66px;white-space:pre-line;overflow-wrap:anywhere}.note-card-meta{display:flex;justify-content:space-between;gap:10px;width:100%;font-size:11px;color:var(--muted);margin-top:auto}.note-card-meta>span{display:flex;align-items:center;gap:8px}.notes-pending-badge{font-size:11px;margin-top:14px;color:var(--warning)}.notes-empty{display:flex;align-items:center;flex-direction:column;justify-content:center;text-align:center;min-height:400px;padding:50px 24px;background:var(--surface);border:1px dashed var(--accent-border);border-radius:22px}.notes-empty-art{display:grid;place-items:center;width:94px;height:94px;border-radius:28px;background:var(--purple-soft);color:var(--purple);position:relative;margin-bottom:13px}.notes-empty-art svg:last-child{position:absolute;bottom:11px;right:8px;padding:4px;box-sizing:content-box;background:var(--surface);border-radius:50%}.notes-empty h2{font-size:24px;letter-spacing:-.6px;margin-bottom:0}.notes-empty>p{max-width:410px;font-size:14px;color:var(--muted);line-height:1.8;margin:15px 0 24px}.notes-small{color:var(--muted);font-size:11px;margin-top:24px;line-height:1.6}.notes-editor{margin-top:16px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:clamp(18px,3vw,34px);box-shadow:var(--shadow)}.notes-title-row{display:flex;align-items:center;gap:14px}.notes-title-row>input{border:0;background:transparent;font-size:clamp(22px,3vw,29px);font-weight:700;letter-spacing:-.7px;color:var(--ink);min-width:0;width:100%;padding:6px 0}.notes-document-actions{display:flex;gap:3px}.notes-document-actions .icon-button{color:var(--muted)}.notes-metadata{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin:13px 0 25px}.notes-metadata select{font-size:12px;padding:7px 10px}.notes-metadata>span{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:11px}.notes-recorder{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;border:1px solid var(--accent-border);border-radius:15px;background:var(--purple-soft)}.notes-recorder.listening{border-color:var(--success-border);background:var(--success-soft)}.notes-recorder-label{display:flex;align-items:center;gap:13px}.notes-mic-icon{width:46px;height:46px;display:grid;place-items:center;color:var(--purple);background:var(--surface);border-radius:14px;flex-shrink:0}.listening .notes-mic-icon{color:var(--success)}.notes-recorder-label strong{font-size:14px}.notes-recorder-label>div>span{display:block;color:var(--muted);font-size:12px;margin-top:5px;font-variant-numeric:tabular-nums}.notes-recording-actions{display:flex;gap:8px;flex-shrink:0}.notes-level{width:48px;height:6px;background:var(--success-border);border-radius:8px;overflow:hidden}.notes-level>span{display:block;width:100%;height:100%;background:var(--success);transform-origin:left;transition:transform .1s}.notes-recording-help{font-size:11px;line-height:1.75;color:var(--muted);margin:12px 3px 25px}.notes-access-message,.notes-panel-help{font-size:12px;color:var(--muted);line-height:1.75}.notes-access-message{background:var(--surface-soft);padding:12px;border-radius:10px}.notes-tabs{display:flex;gap:24px;border-bottom:1px solid var(--line)}.notes-tabs>button{display:flex;align-items:center;gap:7px;background:transparent;color:var(--muted);border:0;border-radius:0;padding:15px 0;border-bottom:2px solid transparent;font-size:13px}.notes-tabs>button[aria-selected=true]{color:var(--purple);border-bottom-color:var(--purple)}.notes-tabs>button>span{padding:2px 6px;border-radius:6px;font-size:10px;background:var(--surface-soft)}.notes-section-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 0}.notes-section-actions>span{color:var(--muted);font-size:12px}.notes-section-actions .secondary{font-size:12px}.notes-writing{display:block;width:100%;min-height:350px;border:0;outline-offset:5px;resize:vertical;color:var(--ink);background:var(--surface);font-family:inherit;font-size:14px;line-height:1.9;padding:8px 0 20px}.notes-writing::placeholder{color:var(--text-faint)}.notes-study-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:20px;border-top:1px solid var(--line)}.notes-study-footer>span{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}.notes-transcript{margin-top:22px}.notes-transcript-segment{display:flex;gap:20px;align-items:flex-start;margin:0 0 16px}.notes-transcript-segment>span{color:var(--purple);background:var(--purple-soft);padding:5px 7px;font-variant-numeric:tabular-nums;border-radius:6px;font-size:11px;flex-shrink:0}.notes-transcript-segment textarea{resize:vertical;border:1px solid transparent;border-radius:8px;padding:3px 8px;min-width:0;width:100%;color:var(--ink);background:transparent;font:inherit;font-size:13px;line-height:1.8}.notes-transcript-segment textarea:focus{border-color:var(--accent-border)}.notes-transcript-empty{display:flex;align-items:center;justify-content:center;gap:10px;flex-direction:column;color:var(--muted);min-height:250px;font-size:13px;text-align:center}.notes-notice,.notes-queue{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--warning-border);background:var(--warning-soft);color:var(--warning);border-radius:12px;padding:13px 16px;margin:0 0 18px;font-size:12px;line-height:1.6}.notes-notice>span,.notes-queue>span{display:flex;align-items:center;gap:9px}.notes-notice.error{background:var(--danger-soft);border-color:var(--danger-border);color:var(--danger)}.notes-notice button,.notes-queue button,.notes-active-link{color:inherit;background:transparent;padding:0;text-decoration:underline;flex-shrink:0}.notes-queue{background:var(--surface-soft);color:var(--muted);border-color:var(--line)}.notes-active-link{display:flex;align-items:center;gap:5px;color:var(--purple);font-size:12px;margin-bottom:20px}.notes-listening-banner{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:11px 18px;border-radius:0;font-size:12px;color:var(--success);background:var(--success-soft);border-bottom:1px solid var(--success-border)}@media(max-width:1100px){.notes-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.notes-recorder{flex-wrap:wrap}}@media(max-width:620px){.notes-page-heading{align-items:flex-start}.notes-page-heading>button{font-size:12px;padding:10px}.notes-grid{grid-template-columns:1fr}.notes-filters{flex-direction:column}.notes-filters select{max-width:none}.notes-recorder{padding:15px}.notes-recording-actions{width:100%}.notes-recording-actions>button{flex:1}.notes-recorder-label{gap:9px}.notes-recorder-label strong{font-size:13px}.notes-level{width:25px}.notes-study-footer{flex-direction:column;align-items:stretch}.notes-tabs{gap:18px}.notes-tabs>button{font-size:12px}.notes-section-actions>span{max-width:50%;line-height:1.6}.notes-section-actions .secondary{padding:9px}.notes-notice,.notes-queue{flex-direction:column;align-items:flex-start}.notes-title-row{gap:4px}.notes-transcript-segment{gap:7px}.notes-empty{padding:35px 20px}.notes-writing{min-height:300px;font-size:16px}}@media(prefers-reduced-motion:reduce){.note-card,.notes-level>span{transition:none}}:root{font-family:DM Sans,system-ui,sans-serif;color:var(--ink);background:var(--page);font-synthesis:none}*{box-sizing:border-box}:where(html,body,body *){touch-action:pan-x pan-y}body{margin:0;min-width:0;min-height:100vh}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.app-frame{min-height:100vh;display:grid;grid-template-columns:244px 1fr}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:28px 20px 20px;border-right:1px solid var(--line);background:var(--sidebar)}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:800 25px/1 Manrope,sans-serif;letter-spacing:-.8px;padding:0 8px 28px}.brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--on-accent);border-radius:12px 12px 12px 4px;background:var(--accent-gradient);box-shadow:var(--shadow)}.nav-stack{display:grid;gap:6px}.nav-link{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;color:var(--text-secondary);background:transparent;font-weight:600;text-decoration:none}.nav-link.active{color:var(--purple);background:var(--purple-soft)}.sidebar-foot{margin-top:auto;display:flex;align-items:center;gap:10px;padding:14px 8px 4px;border-top:1px solid var(--line)}.sidebar-foot strong,.sidebar-foot span{display:block}.sidebar-foot strong{font-size:14px}.sidebar-foot span{margin-top:2px;color:var(--muted);font-size:11px}.avatar{width:35px;height:35px;display:grid;place-items:center;flex:none;border-radius:50%;color:var(--purple-deep);background:var(--purple-soft);font-weight:700;font-size:12px}.main-panel{min-width:0}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 clamp(24px,4vw,54px);border-bottom:1px solid var(--line);background:var(--header);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.search{width:min(440px,50vw);display:flex;align-items:center;gap:10px;color:var(--muted);padding:10px 14px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.search input{width:100%;border:0;outline:0;color:var(--ink);background:transparent}.primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 16px;border:0;border-radius:12px;color:var(--on-accent);background:var(--purple);box-shadow:var(--shadow);font-weight:700;cursor:pointer}.primary:hover{background:var(--purple-deep);transform:translateY(-1px)}.content{max-width:1180px;margin:0 auto;padding:56px clamp(24px,4vw,54px) 80px}.welcome{display:flex;justify-content:space-between;align-items:end;gap:30px;padding:32px;border:1px solid var(--accent-border);border-radius:24px;background:var(--hero-gradient);box-shadow:var(--shadow-strong)}.eyebrow{margin:0 0 8px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1,h2,h3{font-family:Manrope,sans-serif}h1{margin:0;font-size:clamp(30px,4vw,46px);letter-spacing:-1.8px;line-height:1.05}.welcome p:last-child{margin:12px 0 0;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:center;margin:42px 0 16px}.section-head h2{margin:0;font-size:19px;letter-spacing:-.3px}.text-button{border:0;color:var(--purple);background:transparent;font-weight:700;cursor:pointer}.set-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.set-card{min-height:205px;display:flex;flex-direction:column;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}.set-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.subject-dot{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;color:#4f4966}.set-card div:nth-child(2){margin-top:auto}.set-card h3{margin:24px 0 7px;font-size:17px}.set-card p{margin:0;color:var(--muted);font-size:13px}.progress{height:5px;margin-top:18px;overflow:hidden;border-radius:999px;background:var(--surface-pressed)}.progress span{display:block;height:100%;border-radius:inherit;background:var(--purple)}@media(max-width:840px){.app-frame{display:block}.topbar{height:68px;padding:0 18px}.topbar .primary{width:42px;padding:0;font-size:0}.search{width:100%}.content{padding:28px 18px 56px}.welcome{align-items:start;flex-direction:column;padding:24px}.set-grid{grid-template-columns:1fr}.set-card{min-height:175px}}.admin-management>.admin-page{padding-bottom:22px}button{color:inherit}.bare-button{border:0;background:transparent;cursor:pointer}.sidebar-topline{display:flex;align-items:center;justify-content:space-between}.sidebar .brand{border:0;background:transparent;cursor:pointer}.nav-link{width:100%;border:0;text-align:left;cursor:pointer}.nav-link:hover{color:var(--ink);background:var(--surface-pressed)}.sidebar-label{margin:25px 11px 9px;color:var(--text-faint);font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.folder-nav{display:grid;gap:2px}.folder-nav button{display:flex;align-items:center;gap:10px;overflow:hidden;padding:8px 12px;border:0;border-radius:9px;color:var(--text-secondary);background:transparent;font-size:13px;font-weight:600;text-align:left;white-space:nowrap;text-overflow:ellipsis;cursor:pointer}.folder-nav button:hover{background:var(--surface-pressed)}.folder-nav button span{width:8px;height:8px;flex:none;border-radius:50%}.nav-bottom{margin-top:auto}.sidebar-account{width:100%;display:flex;align-items:center;gap:10px;margin-top:14px;padding:14px 8px 3px;border:0;border-top:1px solid var(--line);background:transparent;text-align:left;cursor:pointer}.sidebar-account>div:nth-child(2){min-width:0;flex:1}.sidebar-account strong,.sidebar-account span{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.sidebar-account strong{font-size:13px}.sidebar-account span{margin-top:2px;color:var(--muted);font-size:10px}.topbar{position:sticky;z-index:12;top:0}.topbar-actions{display:flex;align-items:center;gap:10px}.preview-pill,.admin-lock{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;color:var(--accent-text);background:var(--purple-soft);font-size:11px;font-weight:800}.offline-pill{max-width:190px;display:inline-flex;align-items:center;gap:6px;overflow:hidden;padding:7px 10px;border-radius:999px;color:var(--warning);background:var(--warning-soft);font-size:11px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.secondary{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 16px;border:1px solid var(--line);border-radius:11px;color:var(--text-secondary);background:var(--surface);font-weight:700;cursor:pointer}.primary:disabled,.secondary:disabled{opacity:.5;cursor:not-allowed}.icon-button{width:38px;height:38px;display:inline-grid;place-items:center;flex:none;padding:0;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer}.sidebar-close,.menu-button{display:none}.home-screen.content{padding-top:28px}.home-screen .welcome{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:20px;padding:20px 28px}.home-screen .welcome-library{white-space:nowrap}.home-screen .welcome h1{font-size:clamp(27px,3vw,34px);line-height:1.15;letter-spacing:-1px}.home-screen .welcome p:last-child{margin-top:8px;font-size:14px}.home-screen .continue-study-section{margin-top:22px}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);margin:24px 0 6px;border:1px solid var(--line);border-radius:17px;background:var(--surface)}.stat-row>div{display:flex;align-items:center;gap:12px;padding:17px 20px;border-right:1px solid var(--line)}.stat-row>div:last-child{border-right:0}.stat-icon{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:11px}.subject-icon.violet,.color-picker .violet{color:#674dd0;background:#e9e3ff}.subject-icon.mint,.color-picker .mint{color:#287e70;background:#dff2ec}.subject-icon.peach,.color-picker .peach{color:#a55c37;background:#ffe6d6}.subject-icon.blue,.color-picker .blue{color:#386f9e;background:#dcecf9}.subject-icon.rose,.color-picker .rose{color:#a84369;background:#f9dfea}.subject-icon.sun,.color-picker .sun{color:#926f17;background:#f9edbe}.stat-icon.violet{color:var(--accent-text);background:var(--purple-soft)}.stat-icon.mint{color:var(--success);background:var(--success-soft)}.stat-icon.peach{color:var(--warning);background:var(--warning-soft)}.stat-icon.blue{color:var(--info);background:var(--info-soft)}.stat-row p{margin:0}.stat-row strong,.stat-row span{display:block}.stat-row strong{font:700 18px/1.1 Manrope,sans-serif}.stat-row p span{margin-top:3px;color:var(--muted);font-size:10px}.section-head{align-items:end}.section-head.compact{margin-top:0}.section-head>div h2,.terms-head h2{margin:0;font-size:19px}.text-button{display:inline-flex;align-items:center;gap:4px}.set-card{text-align:left;color:inherit}.subject-icon{width:46px;height:46px;display:grid;place-items:center;flex:none;border-radius:13px}.subject-icon.large{width:60px;height:60px;border-radius:17px}.set-card .subject-icon{color:var(--set-folder-color,#787878);background:color-mix(in srgb,var(--set-folder-color,#787878) 16%,var(--surface))}.set-copy{margin-top:auto}.set-subject{color:var(--text-secondary);font-size:9px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;overflow-wrap:anywhere}.set-card .set-copy h3{margin:5px 0 7px}.mastery-line{display:flex;align-items:center;gap:8px;margin-top:17px}.mastery-line>span{height:5px;flex:1;overflow:hidden;border-radius:999px;background:var(--surface-pressed)}.mastery-line i{display:block;height:100%;border-radius:inherit;background:var(--purple)}.mastery-line b{color:var(--text-secondary);font-size:9px}.home-lower{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;margin-top:40px}.activity-panel,.daily-card,.admin-table-card,.admin-invite-card,.settings-card{padding:23px;border:1px solid var(--line);border-radius:17px;background:var(--surface)}.activity-row{display:grid;grid-template-columns:38px minmax(0,1fr) auto 58px 16px;align-items:center;gap:11px;width:100%;padding:12px 0;border:0;border-top:1px solid var(--line);background:transparent;color:var(--ink);text-align:left;cursor:pointer}.activity-row:not(:disabled):hover{background:var(--surface-soft)}.activity-row:focus-visible{outline:2px solid var(--purple);outline-offset:3px;border-radius:5px}.activity-row:disabled{cursor:default;opacity:.6}.activity-arrow{color:var(--muted)}.activity-row:disabled .activity-arrow{visibility:hidden}.mode-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;color:var(--accent-text);background:var(--purple-soft)}.mode-icon.test{color:var(--success);background:var(--success-soft)}.activity-row strong,.activity-row span{display:block}.activity-row strong{font-size:13px}.activity-row span,.activity-row time{margin-top:2px;color:var(--muted);font-size:10px}.activity-row b{color:var(--success);font-size:12px}.daily-card{display:flex;flex-direction:column;align-items:start;background:var(--accent-gradient);color:var(--on-accent)}.daily-card>span{width:47px;height:47px;display:grid;place-items:center;margin-bottom:35px;border-radius:14px;color:var(--on-accent);background:color-mix(in srgb,var(--on-accent) 12%,transparent)}.daily-card .eyebrow{color:var(--on-accent)}.daily-card h3{margin:3px 0 10px;font-size:21px;line-height:1.22}.daily-card>p:not(.eyebrow){margin:0 0 22px;color:var(--on-accent);font-size:12px;line-height:1.6}.daily-card .secondary{margin-top:auto;border-color:color-mix(in srgb,var(--on-accent) 18%,transparent);color:var(--on-accent);background:color-mix(in srgb,var(--on-accent) 10%,transparent)}.quiet-empty,.empty-library{display:grid;place-items:center;padding:45px 20px;color:var(--muted);text-align:center}.empty-library{min-height:300px;border:1px dashed var(--line);border-radius:18px;background:var(--surface-soft)}.empty-library>span{width:54px;height:54px;display:grid;place-items:center;margin-bottom:12px;border-radius:15px;color:var(--purple);background:var(--purple-soft)}.quiet-empty h3,.empty-library h3{margin:0;color:var(--ink);font-size:18px}.quiet-empty p,.empty-library p{margin:7px 0 18px;font-size:12px}.quiet-empty.bordered{min-height:260px;border:1px dashed var(--line);border-radius:17px}.page-title{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}.page-title h1{font-size:36px}.page-title>div>p:last-child{margin:9px 0 0;color:var(--muted);font-size:13px}.filter-note{margin:-17px 0 22px;color:var(--muted);font-size:12px}.back-link{display:inline-flex;align-items:center;gap:6px;margin-bottom:22px;padding:0;border:0;color:var(--text-secondary);background:transparent;font-weight:700;font-size:12px;cursor:pointer}.finalize-banner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:15px;margin:0 0 18px;padding:17px 18px;border:1px solid var(--success-border);border-radius:15px;background:var(--success-soft);box-shadow:var(--shadow)}.finalize-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;color:var(--on-success);background:var(--success)}.finalize-banner h2{margin:1px 0 3px;font-size:16px}.finalize-banner p:last-child{margin:0;color:var(--text-secondary);font-size:10px}.finalize-banner .primary{color:var(--on-success);background:var(--success);white-space:nowrap}.set-hero{display:flex;align-items:flex-start;gap:18px;padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}.set-hero-copy{min-width:0;flex:1}.set-hero h1{font-size:31px}.set-hero-copy>p:not(.eyebrow){max-width:680px;margin:8px 0 13px;color:var(--muted);font-size:13px}.set-meta{display:flex;flex-wrap:wrap;gap:15px;color:var(--text-secondary);font-size:11px}.set-meta span{display:inline-flex;align-items:center;gap:5px}.set-actions{display:flex;gap:8px}.menu-wrap{position:relative}.dropdown{position:absolute;z-index:5;top:44px;right:0;width:150px;padding:6px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow)}.dropdown button{width:100%;display:flex;align-items:center;gap:8px;padding:9px;border:0;border-radius:7px;background:transparent;font-size:12px;cursor:pointer}.danger-text,.danger-link{color:var(--danger)!important}.mode-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin:18px 0 40px}.mode-grid>button{display:flex;align-items:center;gap:13px;padding:17px;border:1px solid var(--line);border-radius:14px;background:var(--surface);text-align:left;cursor:pointer}.mode-grid>button>div{min-width:0;flex:1}.mode-grid h3{margin:0 0 3px;font-size:14px}.mode-grid p{margin:0;color:var(--muted);font-size:10px}.mode-art{width:45px;height:45px;display:grid;place-items:center;flex:none;border-radius:13px}.mode-art.flash{color:var(--accent-text);background:var(--purple-soft)}.mode-art.learn{color:var(--success);background:var(--success-soft)}.mode-art.test{color:var(--warning);background:var(--warning-soft)}.mode-art.exam{color:var(--info);background:var(--info-soft)}.terms-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:13px}.term-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.ai-add-button{color:var(--accent-text);border-color:var(--accent-border);background:var(--purple-soft)}.term-list{display:grid;gap:9px}.term-row{display:grid;grid-template-columns:28px minmax(140px,.75fr) minmax(220px,1.5fr) 38px;align-items:start;gap:18px;padding:18px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.term-number{color:var(--text-faint);font-size:11px}.term-row small{display:block;margin-bottom:5px;color:var(--text-faint);font-size:8px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.term-row strong,.term-row p{font-size:12px}.term-row p{margin:0;color:var(--text-secondary);line-height:1.5}.term-row em{display:block;margin-top:6px;color:var(--muted);font-size:10px}.study-chooser{min-height:calc(100vh - 78px);padding:34px clamp(22px,5vw,74px) 70px}.study-chooser>header{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.study-intro{max-width:720px;margin:55px auto 35px;text-align:center}.study-intro h1{font-size:37px}.study-intro>p:last-child{color:var(--muted)}.study-mode-cards{max-width:1180px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:0 auto}.study-mode-cards>button{min-height:290px;display:flex;flex-direction:column;align-items:start;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--surface);text-align:left;cursor:pointer}.study-mode-cards h2{margin:29px 0 8px;font-size:21px}.study-mode-cards p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.study-mode-cards b{display:flex;align-items:center;gap:5px;margin-top:auto;color:var(--purple);font-size:12px}.study-session{min-height:100vh;background:var(--page)}.study-topbar{height:74px;display:grid;grid-template-columns:40px minmax(150px,auto) 1fr;align-items:center;gap:14px;padding:0 clamp(18px,4vw,48px);border-bottom:1px solid var(--line);background:var(--surface)}.study-topbar>div:nth-child(2) strong,.study-topbar>div:nth-child(2) span{display:block}.study-topbar>div:nth-child(2) strong{font-size:12px}.study-topbar>div:nth-child(2) span{color:var(--muted);font-size:9px}.study-progress{height:5px;overflow:hidden;border-radius:999px;background:var(--surface-pressed)}.study-progress i{display:block;height:100%;border-radius:inherit;background:var(--purple)}.learn-topbar{grid-template-columns:40px minmax(150px,auto) 1fr auto}.learn-topbar .study-progress i{background:linear-gradient(90deg,var(--warning),var(--purple),var(--success))}.learn-save-button{white-space:nowrap}.learn-mastery-strip{display:flex;align-items:center;justify-content:center;gap:14px;padding:13px 22px;border-bottom:1px solid var(--line);background:var(--surface-soft)}.learn-mastery-strip>span{min-width:105px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:8px 11px;border-radius:10px}.learn-mastery-strip small,.learn-mastery-strip strong{display:block}.learn-mastery-strip small{font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.learn-mastery-strip strong{font-size:15px}.learn-mastery-strip>svg{color:var(--text-faint)}.learn-mastery-strip .unknown{color:var(--warning);background:var(--warning-soft)}.learn-mastery-strip .known{color:var(--accent-text);background:var(--purple-soft)}.learn-mastery-strip .mastered{color:var(--success);background:var(--success-soft)}.study-stage,.question-stage{max-width:900px;margin:0 auto;padding:48px 22px 80px;text-align:center}.flashcard{width:100%;min-height:390px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:45px;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow-strong);cursor:pointer}.flashcard>span{max-width:680px;font:700 clamp(24px,4vw,38px)/1.32 "Manrope",sans-serif}.flashcard small{margin-top:20px;color:var(--muted)}.flashcard em{margin-top:auto;padding-top:40px;color:var(--text-faint);font-size:10px;font-style:normal}.flashcard.revealed{background:var(--hero-gradient)}.reveal-button{margin-top:24px}.grade-actions{margin-top:23px}.grade-actions p{color:var(--muted);font-size:11px}.grade-actions>div{display:flex;justify-content:center;gap:10px}.grade{min-width:120px;min-height:44px;border:1px solid var(--line);border-radius:11px;background:var(--surface);font-weight:700;cursor:pointer}.grade.again{color:var(--danger)}.grade.good{color:var(--purple)}.grade.easy{color:var(--success)}kbd{margin-left:8px;padding:2px 5px;border-radius:4px;background:var(--surface-pressed);color:var(--muted);font:9px monospace}.question-stage{max-width:820px}.question-stage h1{margin:35px 0;font-size:clamp(27px,4vw,39px)}.learn-session .question-stage{padding-top:34px}.learn-level-badge{width:max-content;display:flex;align-items:center;gap:9px;margin:0 auto 20px;padding:7px 10px;border-radius:999px;font-size:9px}.learn-level-badge span{font-weight:800;text-transform:uppercase;letter-spacing:.04em}.learn-level-badge b{padding-left:9px;border-left:1px solid currentColor;font-weight:700;opacity:.8}.learn-level-badge.unknown{color:var(--warning);background:var(--warning-soft)}.learn-level-badge.known{color:var(--accent-text);background:var(--purple-soft)}.learn-session .question-stage>.eyebrow{margin-bottom:0}.learn-session .question-stage h1{margin-top:25px}.answer-grid{display:grid;gap:10px;text-align:left}.answer-grid button{display:grid;grid-template-columns:34px minmax(0,1fr) 20px;align-items:center;gap:13px;min-height:70px;padding:13px 18px;border:1px solid var(--line);border-radius:13px;background:var(--surface);cursor:pointer}.answer-grid button>span{width:31px;height:31px;display:grid;place-items:center;border-radius:8px;color:var(--text-secondary);background:var(--surface-pressed);font-weight:800;font-size:11px}.answer-grid p{margin:0;font-size:13px}.answer-grid button.correct{border-color:var(--success-border);background:var(--success-soft)}.answer-grid button.wrong{border-color:var(--danger-border);background:var(--danger-soft)}.answer-grid button.dim{opacity:.55}.answer-grid.true-false{grid-template-columns:1fr 1fr}.written-answer{display:grid;gap:8px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);text-align:left}.written-answer label{color:var(--text-secondary);font-size:10px;font-weight:800}.written-answer>div{display:grid;grid-template-columns:1fr auto;gap:10px}.written-answer input,.written-answer textarea{min-width:0}.written-answer textarea{width:100%;min-height:108px;resize:vertical;font:inherit;font-size:14px;line-height:1.55}.written-answer>div>.primary{align-self:end;min-height:44px}.written-grading-note{display:block;color:var(--muted);font-size:11px;line-height:1.6}.answer-input-tools{display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;text-align:left}.written-answer .answer-input-tools label{margin:0}.coach-answer-field>legend{width:100%}.coach-answer-field .answer-input-tools{margin-bottom:0}.written-grading-notice{margin:16px 0;padding:16px 18px;border:1px solid var(--accent-border);border-radius:12px;color:var(--text-secondary);background:var(--purple-soft);text-align:left;font-size:13px;line-height:1.6}.written-grading-notice p{margin:5px 0}.written-grading-notice>svg{margin-right:7px;vertical-align:middle}.written-grading-notice .secondary{margin-top:10px}.written-answer.correct{border-color:var(--success-border);background:var(--success-soft)}.written-answer.wrong{border-color:var(--danger-border);background:var(--danger-soft)}.answer-feedback{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:18px;padding:18px;border-radius:13px;text-align:left}.answer-feedback.correct{color:var(--success);background:var(--success-soft)}.answer-feedback.wrong{color:var(--danger);background:var(--danger-soft)}.answer-feedback p{margin:3px 0 0;font-size:11px}.learn-feedback>div{max-width:590px}.learn-override-button{margin-top:14px}.exam-setup-page{min-height:calc(100vh - 78px);display:grid;place-items:center;padding:40px 22px 70px;background:radial-gradient(circle at 50% 0,var(--info-soft),transparent 38%)}.exam-setup-card{width:min(720px,100%);padding:34px;border:1px solid var(--info-border);border-radius:23px;background:var(--surface);box-shadow:var(--shadow-strong);text-align:center}.exam-setup-card .back-link{margin-right:auto}.exam-setup-icon{width:64px;height:64px;display:grid;place-items:center;margin:4px auto 20px;border-radius:19px;color:var(--info);background:var(--info-soft)}.exam-setup-card h1{margin:4px 0 10px;font-size:32px}.exam-setup-copy{max-width:590px;margin:0 auto;color:var(--muted);font-size:12px;line-height:1.65}.exam-rules{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:26px 0;text-align:left}.exam-rules>span{display:grid;grid-template-columns:24px 1fr;align-items:center;gap:3px 8px;padding:14px;border-radius:12px;color:var(--info);background:var(--info-soft)}.exam-rules svg{grid-row:1/3}.exam-rules strong,.exam-rules small{display:block}.exam-rules strong{font-size:10px}.exam-rules small{color:var(--muted);font-size:8px}.exam-setup-card>label{max-width:300px;display:grid;gap:7px;margin:0 auto 14px;color:var(--ink);font-size:10px;font-weight:700;text-align:left}.exam-start{width:min(300px,100%)}.exam-status-bar{display:flex;align-items:center;justify-content:center;gap:20px;padding:12px 22px;border-bottom:1px solid var(--line);color:var(--muted);background:var(--surface);font-size:10px}.exam-status-bar span{margin-right:auto}.exam-status-bar time{display:inline-flex;align-items:center;gap:6px;color:var(--info);font-weight:800;font-variant-numeric:tabular-nums}.exam-status-bar time.urgent{color:var(--danger)}.exam-status-bar .text-button{margin-left:auto}.exam-question-nav{max-width:900px;display:flex;flex-wrap:wrap;justify-content:center;gap:7px;margin:20px auto 0;padding:0 22px}.exam-question-nav button{width:31px;height:31px;border:1px solid var(--line);border-radius:8px;color:var(--muted);background:var(--surface);font-size:9px;font-weight:800;cursor:pointer}.exam-question-nav button.answered{border-color:var(--accent-border);color:var(--accent-text);background:var(--purple-soft)}.exam-question-nav button.current{color:var(--on-accent);border-color:var(--purple);background:var(--purple)}.exam-question-stage{max-width:820px;margin:0 auto;padding:35px 22px 80px;text-align:center}.exam-question-stage h1{margin:24px 0 29px;font-size:clamp(28px,4vw,40px)}.exam-statement{margin:-8px 0 20px;padding:20px;border:1px solid var(--info-border);border-radius:14px;background:var(--info-soft)}.exam-statement small{color:var(--muted);font-size:9px}.exam-statement p{margin:9px 0 0;color:var(--info);font-size:15px;line-height:1.55}.exam-answer-grid{display:grid;gap:10px;text-align:left}.exam-answer-grid button{display:grid;grid-template-columns:34px 1fr;align-items:center;gap:13px;min-height:68px;padding:13px 18px;border:1px solid var(--line);border-radius:13px;color:var(--text-secondary);background:var(--surface);cursor:pointer}.exam-answer-grid button>span{width:31px;height:31px;display:grid;place-items:center;border-radius:8px;color:var(--text-secondary);background:var(--surface-pressed);font-weight:800;font-size:11px}.exam-answer-grid button p{margin:0}.exam-answer-grid button.selected{border-color:var(--accent-border);background:var(--purple-soft);box-shadow:0 0 0 2px color-mix(in srgb,var(--focus-ring) 15%,transparent)}.exam-answer-grid button.selected>span{color:var(--on-accent);background:var(--purple)}.exam-answer-grid.true-false{grid-template-columns:1fr 1fr}.exam-navigation{display:flex;justify-content:space-between;gap:12px;margin-top:24px}.exam-complete-page{min-height:100vh;padding:46px clamp(20px,5vw,70px) 80px;background:var(--page)}.exam-complete-hero,.exam-results{width:min(900px,100%);margin:0 auto;padding:34px;border:1px solid var(--line);border-radius:22px;background:var(--surface)}.exam-complete-hero{text-align:center}.exam-complete-hero h1{max-width:680px;margin:0 auto;font-size:31px}.exam-complete-hero>p:not(.eyebrow){color:var(--muted)}.exam-score-summary{max-width:620px;display:grid;grid-template-columns:180px 1fr;align-items:center;gap:32px;margin:8px auto 24px;text-align:left}.exam-score-summary .score-ring{margin:20px auto}.exam-score-summary dl{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:0}.exam-score-summary dl div{padding:12px;border-radius:11px;background:var(--surface-soft)}.exam-score-summary dt{color:var(--muted);font-size:8px;text-transform:uppercase}.exam-score-summary dd{margin:4px 0 0;color:var(--ink);font-size:17px;font-weight:800}.exam-results{margin-top:18px}.exam-result-list{display:grid;gap:10px}.exam-result-list article{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:16px;border:1px solid var(--line);border-radius:13px}.exam-result-list article>span{width:31px;height:31px;display:grid;place-items:center;border-radius:9px}.exam-result-list article.correct>span{color:var(--success);background:var(--success-soft)}.exam-result-list article.incorrect>span{color:var(--danger);background:var(--danger-soft)}.exam-result-list small{color:var(--muted);font-size:8px;text-transform:uppercase}.exam-result-list h3{margin:4px 0 8px;font-size:13px}.exam-result-list p{margin:4px 0 0;color:var(--text-secondary);font-size:10px;line-height:1.5}.exam-result-list .result-statement{padding:8px 10px;border-radius:8px;background:var(--surface-soft)}.practice-setup-page{background:radial-gradient(circle at 50% 0,var(--purple-soft),transparent 38%)}.exam-setup-icon.practice{color:var(--accent-text);background:var(--purple-soft)}.practice-status-bar time{margin-left:auto}.exam-written-answer{padding:0;border:0;background:transparent}.exam-written-answer input{height:54px;font-size:14px;text-align:center}.complete-page{min-height:100vh;display:grid;place-items:center;padding:30px;background:radial-gradient(circle at 50% 10%,var(--purple-soft),var(--page) 42%)}.complete-card{width:min(520px,100%);padding:45px;border:1px solid var(--line);border-radius:24px;background:var(--surface);text-align:center}.completion-icon{width:65px;height:65px;display:grid;place-items:center;margin:0 auto 22px;border-radius:20px;color:var(--on-accent);background:var(--purple)}.complete-card h1{font-size:31px}.complete-card>p:not(.eyebrow){color:var(--muted)}.learn-complete-page{background:radial-gradient(circle at 50% 10%,var(--success-soft),var(--page) 44%)}.learn-complete-card{width:min(600px,100%)}.learn-complete-card .completion-icon{color:var(--on-success);background:var(--success)}.learn-complete-stats{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:9px;margin:28px 0}.learn-complete-stats span{padding:16px 10px;border-radius:12px;background:var(--surface-soft)}.learn-complete-stats strong,.learn-complete-stats small{display:block}.learn-complete-stats strong{color:var(--ink);font-size:22px}.learn-complete-stats small{margin-top:3px;color:var(--muted);font-size:9px;text-transform:uppercase}.learn-resume-page{min-height:calc(100vh - 78px);display:grid;place-items:center;padding:38px 22px 70px;background:radial-gradient(circle at 50% 8%,var(--success-soft),transparent 40%),var(--page)}.learn-resume-card{width:min(620px,100%);padding:34px;border:1px solid var(--success-border);border-radius:23px;background:var(--surface);box-shadow:var(--shadow-strong);text-align:center}.learn-resume-card .back-link{margin-right:auto}.learn-resume-icon{width:64px;height:64px;display:grid;place-items:center;margin:4px auto 20px;border-radius:19px;color:var(--success);background:var(--success-soft)}.learn-resume-card h1{margin:5px 0 9px;font-size:32px}.learn-resume-card>p:not(.eyebrow):not(.learn-save-note){margin:0;color:var(--muted);font-size:11px}.learn-resume-progress{display:grid;gap:8px;margin:26px 0 0;text-align:left}.learn-resume-progress>div{display:flex;justify-content:space-between;color:var(--text-secondary);font-size:10px}.learn-resume-progress>span{height:8px;overflow:hidden;border-radius:999px;background:var(--surface-pressed)}.learn-resume-progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--warning),var(--purple),var(--success))}.learn-save-note{display:flex;align-items:center;justify-content:center;gap:7px;margin:0 0 22px;color:var(--success);font-size:9px}.score-ring{position:relative;width:146px;height:146px;display:grid;place-items:center;margin:28px auto;border-radius:50%;background:conic-gradient(var(--purple) var(--score),var(--surface-pressed) 0)}.score-ring:before{content:"";position:absolute;width:116px;height:116px;border-radius:50%;background:var(--surface)}.score-ring span{position:relative}.score-ring strong,.score-ring small{display:block}.score-ring strong{font:800 30px Manrope,sans-serif}.score-ring small{color:var(--muted);font-size:10px}.complete-actions{display:flex;justify-content:center;gap:10px}.modal-backdrop{position:fixed;z-index:100;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:20px;overflow-y:auto;background:var(--overlay);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal{width:min(560px,100%);max-height:calc(100vh - 40px);overflow-y:auto;border:1px solid var(--line);border-radius:19px;background:var(--surface);box-shadow:var(--shadow-strong)}.modal-wide{width:min(880px,100%)}.modal-head{position:sticky;z-index:2;top:0;display:flex;justify-content:space-between;align-items:start;gap:20px;padding:23px 25px 18px;border-bottom:1px solid var(--line);background:var(--surface-raised)}.modal-head h2{margin:0;font-size:20px}.modal-head p{margin:5px 0 0;color:var(--muted);font-size:11px}.stack-form,.ai-builder,.quizlet-builder{display:grid;gap:17px;padding:23px 25px 25px}.stack-form label,.ai-builder label,.quizlet-builder label,.set-builder label,.draft-card label{display:grid;gap:7px;color:var(--ink);font-size:11px;font-weight:700}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:10px;outline:0;color:var(--ink);background:var(--input)}input,select{height:43px;padding:0 12px}textarea{padding:11px 12px;resize:vertical;line-height:1.5}input:focus,textarea:focus,select:focus{border-color:var(--focus-ring);box-shadow:0 0 0 3px color-mix(in srgb,var(--focus-ring) 20%,transparent)}.form-row,.builder-meta{display:grid;grid-template-columns:1fr 1fr;gap:13px}fieldset{margin:0;padding:0;border:0}fieldset legend{margin-bottom:8px;color:var(--ink);font-size:11px;font-weight:700}.color-picker,.folder-colors{display:flex;flex-wrap:wrap;gap:9px}.color-picker legend,.folder-colors legend{width:100%}.color-picker button,.folder-colors button{width:31px;height:31px;display:grid;place-items:center;border:2px solid var(--surface);border-radius:50%;box-shadow:0 0 0 1px var(--line);cursor:pointer}.color-picker button svg,.folder-colors button svg{opacity:0}.color-picker button.selected,.folder-colors button.selected{box-shadow:0 0 0 2px var(--purple)}.color-picker button.selected svg,.folder-colors button.selected svg{opacity:1}.folder-colors button svg{color:#fff}.modal-actions{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:9px;padding-top:5px}.danger-link{display:inline-flex;align-items:center;gap:6px;padding:0;border:0;background:transparent;font-size:11px;font-weight:700;cursor:pointer}.create-choices{display:grid;gap:12px;padding:25px}.create-choices>button{display:flex;align-items:center;gap:15px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);text-align:left;cursor:pointer}.create-choices>button>div:nth-child(2){flex:1}.create-choices h3{margin:0 0 3px;font-size:14px}.create-choices p{margin:0;color:var(--muted);font-size:11px}.ai-builder .back-link,.quizlet-builder .back-link{margin-bottom:0}.ai-note{display:flex;gap:10px;padding:12px;border-radius:10px;color:var(--text-secondary);background:var(--purple-soft)}.ai-note p{margin:0}.ai-note strong,.ai-note span{display:block}.ai-note strong{font-size:11px}.ai-note span{font-size:9px}.quizlet-guide{display:flex;gap:13px;padding:15px;border:1px solid var(--accent-border);border-radius:12px;color:var(--text-secondary);background:var(--purple-soft)}.quizlet-guide>span{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:10px;color:var(--accent-text);background:var(--purple-soft)}.quizlet-guide strong{font-size:11px}.quizlet-guide ol{margin:7px 0 0;padding-left:18px;color:var(--text-secondary);font-size:10px;line-height:1.65}.quizlet-format-note{margin:-7px 0 0;color:var(--muted);font-size:9px}.full-button{width:100%}.source-upload{display:grid;gap:12px;padding:16px;border:1px dashed var(--accent-border);border-radius:14px;background:var(--purple-soft)}.source-upload-copy{display:flex;align-items:center;gap:12px}.source-upload-copy>span{width:40px;height:40px;display:grid;place-items:center;flex:none;border-radius:11px;color:var(--accent-text);background:var(--purple-soft)}.source-upload-copy strong,.source-upload-copy p{display:block;margin:0}.source-upload-copy strong{color:var(--ink);font-size:12px}.source-upload-copy p{margin-top:3px;color:var(--muted);font-size:9px}.source-file-actions{display:flex;flex-wrap:wrap;gap:8px}.source-file-button{width:max-content;display:inline-flex!important;grid-auto-flow:column;align-items:center;gap:7px!important;padding:9px 12px;border:1px solid var(--accent-border);border-radius:9px;color:var(--accent-text)!important;background:var(--surface);cursor:pointer}.source-file-button:disabled{cursor:not-allowed;opacity:.52}.drive-source-button{font-weight:700}.drive-privacy-note{margin:-3px 0 0;color:var(--text-secondary);font-size:8px;line-height:1.5}.source-file-input{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}.selected-source{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 11px;border:1px solid var(--accent-border);border-radius:10px;background:var(--surface)}.selected-source strong,.selected-source span{display:block}.selected-source strong{max-width:620px;overflow:hidden;color:var(--ink);font-size:11px;text-overflow:ellipsis;white-space:nowrap}.selected-source span{margin-top:3px;color:var(--muted);font-size:9px}.powerpoint-note{margin:-8px 0 0;padding:9px 11px;border-radius:9px;color:var(--warning);background:var(--warning-soft);font-size:9px;line-height:1.5}.source-divider{display:flex;align-items:center;gap:11px;color:var(--text-faint);font-size:9px;text-transform:uppercase}.source-divider:before,.source-divider:after{content:"";height:1px;flex:1;background:var(--line)}.ai-builder>label>span{color:var(--text-faint);font-size:9px;font-weight:500}.card-range-panel{display:grid;gap:13px;padding:15px;border:1px solid var(--accent-border);border-radius:13px;background:var(--purple-soft)}.card-range-panel>div:first-child{display:flex;align-items:center;gap:10px;color:var(--accent-text)}.card-range-panel>div:first-child p{margin:0}.card-range-panel>div:first-child strong,.card-range-panel>div:first-child span{display:block}.card-range-panel>div:first-child strong{color:var(--ink);font-size:12px}.card-range-panel>div:first-child span{margin-top:2px;color:var(--muted);font-size:9px}.card-range-inputs{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:10px}.card-range-inputs>span{padding-bottom:13px;color:var(--muted);font-size:10px}.card-range-panel.invalid{border-color:var(--danger-border);background:var(--danger-soft)}.card-range-panel>small{color:var(--danger);font-size:9px}.card-intelligence-fields{display:grid;gap:13px;padding:15px;border:1px solid var(--accent-border);border-radius:13px;background:var(--purple-soft)}.card-intelligence-fields>p{display:flex;align-items:flex-start;gap:8px;margin:0;color:var(--accent-text)}.card-intelligence-fields>p span,.card-intelligence-fields>p strong{display:block}.card-intelligence-fields>p span{color:var(--muted);font-size:9px;line-height:1.45}.card-intelligence-fields>p strong{margin-bottom:2px;color:var(--ink);font-size:11px}.card-intelligence-badge{width:max-content;display:inline-flex;align-items:center;gap:5px;margin-top:7px;padding:4px 7px;border-radius:7px;color:var(--accent-text);background:var(--purple-soft);font-size:8px;font-weight:700}.generation-status{min-height:430px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 28px 58px;text-align:center;background:radial-gradient(circle at 50% 35%,var(--purple-soft),transparent 35%)}.generation-status h3{margin:5px 0 8px;font-size:27px}.generation-status>p:not(.eyebrow){max-width:480px;margin:0;color:var(--muted);font-size:11px;line-height:1.6}.generation-orbit{position:relative;width:86px;height:86px;display:grid;place-items:center;margin-bottom:24px;border-radius:50%;color:var(--on-accent);background:var(--accent-gradient);box-shadow:var(--shadow)}.generation-orbit>span{position:absolute;top:-9px;right:-9px;bottom:-9px;left:-9px;border:2px solid transparent;border-top-color:var(--purple);border-right-color:var(--accent-border);border-radius:50%;animation:generation-orbit 1.35s linear infinite}.generation-orbit>span:last-child{top:-18px;right:-18px;bottom:-18px;left:-18px;border-top-color:transparent;border-right-color:var(--accent-border);border-bottom-color:var(--purple);animation-duration:2.1s;animation-direction:reverse}.generation-steps{width:min(470px,100%);display:grid;gap:8px;margin-top:28px;text-align:left}.generation-steps>span{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:10px;color:var(--text-faint);background:var(--surface-soft);font-size:10px;font-weight:700}.generation-steps>span i{width:14px;height:14px;display:block;flex:none;border:2px solid var(--line);border-radius:50%}.generation-steps>span.active{color:var(--accent-text);background:var(--surface);box-shadow:var(--shadow)}.generation-steps>span.active i{border-color:var(--purple);border-top-color:transparent;animation:spin .8s linear infinite}.generation-steps>span.done{color:var(--success)}.generation-complete-icon{position:relative;width:88px;height:88px;display:grid;place-items:center;margin-bottom:24px;border-radius:50%;color:var(--on-success);background:var(--success);box-shadow:var(--shadow);animation:success-pop .45s ease-out both}.generation-complete-icon>span{position:absolute;right:-12px;width:34px;height:34px;display:grid;place-items:center;border:4px solid var(--surface);border-radius:50%;color:var(--success);background:var(--success-soft);animation:success-arrow .8s .25s ease-in-out infinite alternate}.generation-status.complete{background:radial-gradient(circle at 50% 36%,var(--success-soft),transparent 37%)}.generation-status.complete .eyebrow{color:var(--success)}.add-notes-builder{max-width:720px;margin:0 auto}@keyframes generation-orbit{to{transform:rotate(360deg)}}@keyframes success-pop{0%{opacity:0;transform:scale(.65)}to{opacity:1;transform:scale(1)}}@keyframes success-arrow{to{transform:translate(4px)}}.set-builder{padding:20px 25px 25px}.wide-field{grid-column:1/-1}.builder-cards{display:grid;gap:10px;margin-top:22px}.builder-cards-head{display:flex;justify-content:space-between;align-items:center}.sticky-actions{position:sticky;bottom:-25px;margin:20px -25px -25px;padding:14px 25px;border-top:1px solid var(--line);background:var(--surface)}.toast{position:fixed;z-index:200;right:22px;bottom:22px;max-width:min(390px,calc(100vw - 44px));display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--success-border);border-radius:12px;color:var(--success);background:var(--success-soft);box-shadow:var(--shadow);font-size:12px;font-weight:600}.toast.error{border-color:var(--danger-border);color:var(--danger);background:var(--danger-soft)}.toast button{margin-left:auto;border:0;color:inherit;background:transparent}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.settings-card.span-two{grid-column:1/-1}.settings-card-head{display:flex;gap:12px;padding-bottom:17px;border-bottom:1px solid var(--line)}.settings-icon{width:39px;height:39px;display:grid;place-items:center;flex:none;border-radius:11px;color:var(--purple);background:var(--purple-soft)}.settings-card h2{margin:1px 0 3px;font-size:15px}.settings-card-head p,.import-row p{margin:0;color:var(--muted);font-size:10px}.settings-card dl{margin:16px 0}.settings-card dl div{display:flex;justify-content:space-between;gap:20px;padding:9px 0}.settings-card dt{color:var(--muted);font-size:11px}.settings-card dd{margin:0;font-size:11px;font-weight:700}.account-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.account-actions .secondary{justify-content:center;padding:0 9px;font-size:9px;white-space:nowrap}.account-actions .secondary:disabled{cursor:not-allowed;opacity:.48}.account-lock-note{display:flex;align-items:flex-start;gap:7px;margin:11px 0 0;padding:9px 10px;border-radius:9px;color:var(--text-secondary);background:var(--purple-soft);font-size:9px;line-height:1.45}.account-lock-note svg{flex:none}.sign-out-button{margin-top:14px}.role-badge{display:inline-flex;padding:4px 8px;border-radius:999px;color:var(--text-secondary);background:var(--surface-pressed);font-size:9px;font-weight:800;text-transform:capitalize}.role-badge.admin{color:var(--accent-text);background:var(--purple-soft)}.sync-status{display:flex;gap:12px;margin:17px 0;padding:14px;border-radius:12px}.sync-status.live{color:var(--success);background:var(--success-soft)}.sync-status.offline,.sync-status.preview{color:var(--warning);background:var(--warning-soft)}.sync-status p{margin:4px 0 0;color:inherit;font-size:10px}.install-guide strong,.import-row strong{font-size:11px}.install-guide p{margin:5px 0 0;color:var(--muted);font-size:10px;line-height:1.6}.import-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:17px}.role-badge.ai-on{color:var(--success);background:var(--success-soft)}.ai-toggle{min-width:82px;display:inline-flex;align-items:center;gap:7px;padding:5px 9px;border:1px solid var(--line);border-radius:999px;color:var(--text-secondary);background:var(--surface-pressed);font-size:9px;font-weight:800;cursor:pointer}.ai-toggle>span{width:9px;height:9px;border-radius:50%;background:var(--surface-pressed)}.ai-toggle.enabled{border-color:var(--success-border);color:var(--success);background:var(--success-soft)}.ai-toggle.enabled>span{background:var(--success);box-shadow:0 0 0 3px var(--success-soft)}.ai-toggle:disabled{cursor:default}.admin-stats{margin-top:0}.admin-invite-card{display:grid;grid-template-columns:46px minmax(220px,.8fr) minmax(360px,1.2fr);align-items:center;gap:18px;margin-top:20px}.admin-invite-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:13px;color:var(--accent-text);background:var(--purple-soft)}.admin-invite-card h2{margin:2px 0 5px;font-size:16px}.admin-invite-card>div>p:last-child{margin:0;color:var(--muted);font-size:10px;line-height:1.5}.admin-invite-card form{display:grid;grid-template-columns:minmax(190px,1fr) auto;align-items:end;gap:9px}.admin-invite-card label{display:grid;gap:6px;color:var(--ink);font-size:10px;font-weight:700}.admin-invite-card .primary{white-space:nowrap}.admin-table-card{margin-top:20px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left}th{padding:10px 12px;color:var(--text-faint);font-size:8px;text-transform:uppercase}td{padding:12px;border-top:1px solid var(--line);color:var(--text-secondary);font-size:11px}.table-user{min-width:190px;display:flex;align-items:center;gap:10px}.table-user strong,.table-user small{display:block}.table-user small{color:var(--muted);font-size:9px}.admin-note{display:flex;gap:11px;margin-top:15px;padding:14px;border:1px solid var(--accent-border);border-radius:12px;color:var(--text-secondary);background:var(--purple-soft)}.admin-note p{margin:0}.admin-note strong,.admin-note span{display:block}.admin-note span{margin-top:3px;font-size:9px}.admin-removal-section{padding-top:0}.admin-removal-card{padding:23px;border:1px solid var(--danger-border);border-radius:17px;background:var(--surface)}.admin-removal-head{display:flex;align-items:flex-start;gap:12px}.admin-removal-head>span{width:39px;height:39px;display:grid;place-items:center;flex:none;border-radius:11px;color:var(--danger);background:var(--danger-soft)}.admin-removal-head h2{margin:1px 0 4px;font-size:17px}.admin-removal-head p:last-child{margin:0;color:var(--muted);font-size:10px}.removable-user-list{display:grid;gap:8px;margin-top:18px}.removable-user-row{display:grid;grid-template-columns:minmax(230px,1fr) 72px 82px auto;align-items:center;gap:14px;padding:12px 13px;border:1px solid var(--line);border-radius:12px;background:var(--surface-soft)}.removable-user-row>p{margin:0;text-align:center}.removable-user-row>p strong,.removable-user-row>p span{display:block}.removable-user-row>p strong{font-size:13px}.removable-user-row>p span{margin-top:2px;color:var(--muted);font-size:8px;text-transform:uppercase}.danger-outline,.danger-button{min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 13px;border-radius:10px;font-size:10px;font-weight:800;cursor:pointer}.danger-outline{border:1px solid var(--danger-border);color:var(--danger);background:var(--danger-soft)}.danger-button{border:1px solid var(--danger);color:var(--on-danger);background:var(--danger)}.danger-button:disabled{cursor:not-allowed;opacity:.48}.admin-removal-empty,.admin-removal-loading{display:flex;align-items:center;gap:10px;margin-top:18px;padding:14px;border-radius:11px;color:var(--text-secondary);background:var(--surface-soft);font-size:10px}.admin-removal-empty strong{font-size:11px}.admin-removal-empty p{margin:3px 0 0;color:var(--muted)}.destructive-warning{display:flex;gap:12px;padding:15px;border:1px solid var(--danger-border);border-radius:13px;color:var(--danger);background:var(--danger-soft)}.destructive-warning>span{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:10px;color:var(--danger);background:var(--danger-soft)}.destructive-warning strong,.destructive-warning small{display:block}.destructive-warning strong{font-size:13px}.destructive-warning small{margin-top:2px;color:var(--danger);font-size:9px}.destructive-warning p{margin:10px 0 0;color:var(--text-secondary);font-size:10px;line-height:1.55}.removal-token-note{display:flex;align-items:flex-start;gap:7px;margin:0;padding:10px 11px;border-radius:9px;color:var(--text-secondary);background:var(--surface-soft);font-size:9px;line-height:1.5}.removal-token-note svg{flex:none}.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(390px,.9fr) minmax(520px,1.1fr);background:var(--surface)}.auth-story{display:flex;flex-direction:column;padding:38px clamp(35px,6vw,80px);color:var(--on-accent);background:var(--accent-gradient)}.auth-brand{color:var(--on-accent);align-self:start}.auth-copy{max-width:590px;margin:auto 0}.auth-kicker{display:inline-flex;align-items:center;gap:7px;margin-bottom:24px;padding:7px 10px;border:1px solid color-mix(in srgb,var(--on-accent) 18%,transparent);border-radius:999px;color:var(--on-accent);background:color-mix(in srgb,var(--on-accent) 10%,transparent);font-size:10px}.auth-copy h1{font-size:clamp(39px,5vw,62px)}.auth-copy>p{max-width:520px;margin:20px 0 0;color:var(--on-accent);line-height:1.65}.auth-proof{display:flex;flex-wrap:wrap;gap:16px;margin-top:29px;color:var(--on-accent);font-size:10px}.auth-proof span{display:flex;align-items:center;gap:5px}.auth-footnote{color:var(--on-accent);font-size:9px}.auth-panel{display:grid;place-items:center;padding:50px 30px}.auth-form-wrap{width:min(430px,100%)}.auth-form-wrap h2{margin:0;font-size:30px}.auth-sub{margin:8px 0 28px;color:var(--muted);font-size:12px}.auth-form{display:grid;gap:15px}.auth-form label{display:grid;gap:7px;color:var(--ink);font-size:11px;font-weight:700}.auth-submit{width:100%}.form-message{padding:10px 12px;border-radius:9px;font-size:10px}.form-message.error{color:var(--danger);background:var(--danger-soft)}.form-message.success{color:var(--success);background:var(--success-soft)}.auth-switch{display:grid;gap:12px;margin-top:20px;color:var(--muted);font-size:10px;text-align:center}.auth-switch button{display:inline-flex;align-items:center;justify-content:center;gap:5px;border:0;color:var(--purple);background:transparent;font-weight:700;cursor:pointer}.invite-only-note{display:flex;align-items:flex-start;justify-content:center;gap:7px;margin:5px 0 0;padding:11px 12px;border:1px solid var(--accent-border);border-radius:10px;color:var(--text-secondary);background:var(--surface-soft);line-height:1.45;text-align:left}.invite-only-note svg{flex:none;color:var(--purple)}.invite-only-note strong{display:block;color:var(--ink)}.auth-privacy-link{display:block;width:max-content;margin:20px auto 0;color:var(--accent-text);font-size:10px;font-weight:700;text-decoration:none}.auth-privacy-link:hover{text-decoration:underline}.legal-page{min-height:100vh;padding:48px 20px;background:var(--hero-gradient)}.legal-card{width:min(820px,100%);margin:0 auto;padding:42px;border:1px solid var(--accent-border);border-radius:24px;background:var(--surface-raised);box-shadow:var(--shadow-strong)}.legal-brand{width:max-content;margin-bottom:38px;color:var(--ink);text-decoration:none}.legal-card h1{max-width:620px;margin:8px 0 6px;color:var(--ink);font-size:clamp(30px,5vw,48px);line-height:1.08}.legal-updated{margin:0 0 34px;color:var(--muted);font-size:11px}.legal-card section{padding:22px 0;border-top:1px solid var(--line)}.legal-card section h2{margin:0 0 10px;color:var(--ink);font-size:18px}.legal-card section p{margin:8px 0 0;color:var(--text-secondary);font-size:12px;line-height:1.75}.legal-card a:not(.brand):not(.secondary){color:var(--accent-text)}.legal-card code{padding:2px 5px;border-radius:5px;color:var(--accent-text);background:var(--purple-soft)}.legal-back{width:max-content;display:inline-flex;align-items:center;gap:7px;margin-top:22px;text-decoration:none}.loading-page,.error-page{min-height:100vh;display:grid;place-content:center;justify-items:center;gap:15px;padding:30px;color:var(--muted);background:var(--page);text-align:center}.error-page h1{font-size:28px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1100px){.stat-row{grid-template-columns:1fr 1fr}.stat-row>div:nth-child(2){border-right:0}.set-grid{grid-template-columns:repeat(2,1fr)}.mode-grid,.study-mode-cards{grid-template-columns:1fr 1fr}.home-lower{grid-template-columns:1fr}.admin-invite-card{grid-template-columns:46px 1fr}.admin-invite-card form{grid-column:1/-1}}.invite-only-note p{margin:3px 0 10px}.invite-only-note button{min-height:44px;padding:0;text-align:left}.auth-request-field{display:grid;gap:7px}.auth-request-field input,.auth-request-field textarea{font:inherit;font-size:14px;line-height:1.5}.auth-email-note{margin:0;color:var(--muted);font-size:11px;line-height:1.6}.auth-email-note a{color:var(--accent-text);overflow-wrap:anywhere}@media(max-width:840px){.home-screen .welcome{grid-template-columns:minmax(0,1fr)}.home-screen .welcome-library{justify-self:start}:root{--mobile-topbar-height:max(68px, calc(52px + env(safe-area-inset-top)) )}body{overflow-x:hidden}.app-frame{display:block;padding-bottom:0}.offline-pill{max-width:76px}.sidebar{position:fixed;z-index:40;inset:0 auto 0 0;width:min(86vw,300px);height:100dvh;padding:max(18px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom));flex-direction:column;align-items:stretch;overflow-x:hidden;overflow-y:auto;border:0;border-right:1px solid var(--line);background:var(--sidebar);box-shadow:var(--shadow-strong);transform:translate(-105%);transition:transform .22s ease}.sidebar.mobile-open{transform:translate(0)}.sidebar-topline{min-height:44px;margin-bottom:20px}.sidebar .brand{display:inline-flex;padding:0 8px}.sidebar-close,.menu-button{display:inline-grid}.sidebar-close{width:44px;height:44px}.nav-stack{width:100%;grid-template-columns:1fr;gap:5px}.nav-link{min-height:46px;justify-content:flex-start;padding:11px 12px;font-size:14px}.folder-nav button{min-height:44px;padding:10px 12px;font-size:13px}.nav-bottom{margin-top:auto;padding-top:16px}.sidebar-account{min-height:60px;padding-bottom:3px}.mobile-scrim{position:fixed;z-index:30;top:0;right:0;bottom:0;left:0;border:0;background:var(--overlay);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.topbar{min-height:var(--mobile-topbar-height);height:auto;display:grid;grid-template-columns:44px minmax(0,1fr) 44px;gap:9px;padding:max(8px,env(safe-area-inset-top)) 16px 8px}.menu-button,.topbar .primary{width:44px;height:44px;padding:0}.topbar .primary span,.preview-pill{display:none}.search{width:100%;min-width:0;height:44px;padding:0 12px}.search input{min-width:0}.content{padding:28px 16px 64px}.primary,.secondary{min-height:44px}.study-mode-cards,.auth-page{grid-template-columns:1fr}.auth-story{min-height:390px;padding:28px}.auth-copy h1{font-size:39px}.auth-panel{padding:45px 24px}.back-link,.text-button{min-height:44px}}@media(max-width:620px){.legal-page{padding:0;background:var(--surface)}.legal-card{padding:30px 20px 40px;border:0;border-radius:0;box-shadow:none}.legal-brand{margin-bottom:30px}.content{padding:24px 16px 56px}.welcome{gap:22px;padding:21px}.welcome h1,.page-title h1{font-size:clamp(30px,9vw,36px);letter-spacing:-1.2px}.hero-button{width:100%}.stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}.set-grid,.settings-grid{grid-template-columns:1fr}.stat-row>div{min-width:0;padding:15px 13px;border-right:0;border-bottom:1px solid var(--line)}.stat-row>div:nth-child(odd){border-right:1px solid var(--line)}.stat-row>div:nth-last-child(-n+2){border-bottom:0}.section-head{gap:12px}.section-head .text-button{flex:none}.page-title{align-items:start;flex-direction:column;margin-bottom:26px}.page-title .primary{width:100%}.finalize-banner{grid-template-columns:auto 1fr}.finalize-banner .primary{grid-column:1/-1;width:100%}.set-hero{flex-wrap:wrap;padding:20px}.set-hero-copy{flex-basis:calc(100% - 80px)}.set-actions{width:100%;justify-content:flex-end}.terms-head{align-items:stretch;flex-direction:column;gap:12px}.term-actions{display:grid;grid-template-columns:1fr}.term-actions button{width:100%;justify-content:center}.term-row{grid-template-columns:24px minmax(0,1fr) 38px;gap:10px}.term-row>div:nth-child(3){grid-column:2/4}.study-chooser{padding:24px 16px 56px}.study-intro{margin:34px auto 28px}.study-intro h1{font-size:32px}.study-mode-cards>button{min-height:185px}.study-topbar{position:sticky;z-index:8;top:var(--mobile-topbar-height);height:auto;min-height:76px;grid-template-columns:44px 1fr;padding:10px 16px}.study-topbar .icon-button{width:44px;height:44px}.study-progress{grid-column:1/-1}.learn-topbar{grid-template-columns:44px minmax(0,1fr) auto}.learn-topbar .learn-save-button{grid-column:3;grid-row:1;min-height:40px;padding:0 10px;font-size:9px}.learn-topbar .study-progress{grid-column:1/-1;grid-row:2}.learn-mastery-strip{gap:6px;padding:10px 12px}.learn-mastery-strip>span{min-width:0;flex:1;gap:6px;padding:8px}.learn-mastery-strip>svg{width:12px;flex:none}.study-stage,.question-stage,.exam-question-stage{padding:34px 16px 56px}.flashcard{min-height:350px;padding:27px 20px}.grade-actions>div{flex-direction:column}.grade{width:100%;min-height:48px}.answer-feedback{align-items:stretch;flex-direction:column}.written-answer>div{grid-template-columns:1fr}.written-answer>div .primary{width:100%}.answer-grid.true-false{grid-template-columns:1fr}.learn-complete-stats{gap:6px}.learn-complete-card{padding:34px 20px}.learn-resume-page{padding:24px 14px 50px}.learn-resume-card{padding:26px 18px}.learn-resume-card h1{font-size:27px}.answer-grid button,.exam-answer-grid button{min-height:72px;padding:13px}.exam-question-nav{gap:6px;padding:0 16px}.exam-question-nav button{width:40px;height:40px}.form-row,.builder-meta{grid-template-columns:1fr}.wide-field{grid-column:auto}.color-picker button,.folder-colors button{width:42px;height:42px}input,select{height:44px}.modal-backdrop{padding:0;align-items:end}.modal{max-height:calc(100dvh - env(safe-area-inset-top));border-radius:20px 20px 0 0;padding-bottom:env(safe-area-inset-bottom)}.modal-head{padding:20px 18px 16px}.stack-form,.ai-builder,.quizlet-builder{padding:20px 18px 22px}.set-builder{padding:18px}.sticky-actions{bottom:calc(-18px - env(safe-area-inset-bottom));margin:20px -18px calc(-18px - env(safe-area-inset-bottom));padding:14px 18px calc(14px + env(safe-area-inset-bottom))}.modal-actions{grid-template-columns:1fr 1fr}.modal-actions>span{display:none}.modal-actions .danger-link{grid-column:1/-1;min-height:44px}.sticky-actions button:last-child{grid-column:1/-1;width:100%}.generation-status{min-height:390px;padding:38px 20px 48px}.generation-status h3{font-size:23px}.settings-card.span-two{grid-column:auto}.settings-card dl div{align-items:flex-start}.settings-card dd{max-width:58%;overflow-wrap:anywhere;text-align:right}.account-actions{grid-template-columns:1fr}.account-actions .secondary{min-height:44px;justify-content:flex-start}.import-row{align-items:stretch;flex-direction:column}.activity-row{grid-template-columns:38px minmax(0,1fr) auto 16px}.activity-row time{display:none}.admin-invite-card{grid-template-columns:1fr}.admin-invite-icon{display:none}.admin-invite-card form{grid-template-columns:1fr}.admin-invite-card .primary{width:100%}.admin-table-card{padding:20px}.admin-table-card .table-wrap{overflow:visible}.admin-table-card table,.admin-table-card tbody{display:block;width:100%}.admin-table-card thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.admin-table-card tbody{display:grid;gap:12px}.admin-table-card tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--surface-soft)}.admin-table-card td{min-width:0;padding:0;border:0}.admin-table-card td:first-child{grid-column:1/-1;padding-bottom:10px;border-bottom:1px solid var(--line)}.admin-table-card td:not(:first-child){display:grid;align-content:start;gap:4px}.admin-table-card td:not(:first-child):before{color:var(--text-faint);font-size:8px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.admin-table-card td:nth-child(2):before{content:"Access"}.admin-table-card td:nth-child(3):before{content:"Study sets"}.admin-table-card td:nth-child(4):before{content:"Sessions"}.admin-table-card td:nth-child(5):before{content:"Last active"}.admin-table-card td:nth-child(6){grid-column:1/-1}.admin-table-card td:nth-child(6):before{content:"AI access"}.admin-table-card .table-user{min-width:0}.removable-user-row{grid-template-columns:1fr 1fr}.removable-user-row .table-user{grid-column:1/-1;min-width:0}.removable-user-row .danger-outline{grid-column:1/-1;width:100%}.mode-grid,.study-mode-cards{grid-template-columns:1fr}.exam-setup-page,.exam-complete-page{padding:24px 16px 56px}.exam-setup-card,.exam-complete-hero,.exam-results{padding:24px 18px}.exam-rules{grid-template-columns:1fr}.exam-status-bar{gap:10px;padding:10px 16px}.exam-status-bar span{display:none}.exam-answer-grid.true-false{grid-template-columns:1fr}.exam-navigation{align-items:stretch;flex-direction:column-reverse}.exam-navigation button{width:100%;min-height:46px}.exam-score-summary{grid-template-columns:1fr;gap:0}.exam-score-summary dl{grid-template-columns:1fr 1fr}.complete-actions{align-items:stretch;flex-direction:column}.complete-actions button{width:100%}.auth-story{min-height:auto;padding:22px 20px 24px}.auth-copy{margin:18px 0 0}.auth-copy h1{font-size:31px}.auth-copy>p{margin-top:13px;font-size:13px}.auth-proof{margin-top:18px;gap:10px}.auth-footnote{display:none}.auth-panel{padding:30px 20px 40px}.toast{right:12px;bottom:12px;max-width:calc(100vw - 24px)}}.set-coach-link{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 20px;margin:18px 0 26px;border:1px solid var(--accent-border);border-radius:14px;background:var(--purple-soft)}.set-coach-link strong{color:var(--accent-text);font-size:14px}.set-coach-link p{max-width:580px;margin:5px 0 0;color:var(--text-secondary);font-size:12px;line-height:1.6}.set-coach-link button{flex:none;min-height:44px}.card-learning-label{display:inline-flex;margin-top:8px;padding:4px 7px;border-radius:6px;background:var(--surface-pressed);color:var(--text-secondary);font-size:10px;font-weight:600}.card-learning-label.retained{color:var(--success);background:var(--success-soft)}.card-learning-label.recalled,.card-learning-label.applied{color:var(--accent-text);background:var(--purple-soft)}.mistake-reflection{display:grid;gap:6px;margin-top:14px;color:inherit;font-size:12px;font-weight:700}.mistake-reflection>span{font-size:11px;font-weight:400}.mistake-reflection textarea{width:100%;min-height:70px;border:1px solid var(--danger-border);border-radius:8px;padding:10px;background:var(--input);color:var(--ink);font-family:inherit;font-size:14px;font-weight:400;line-height:1.5;resize:vertical}@media(max-width:620px){.set-coach-link{align-items:stretch;flex-direction:column;padding:16px}.mistake-reflection textarea{font-size:16px}}:root,:root[data-theme=light]{color-scheme:light;--page: #f7f7fb;--ink: #232133;--text-secondary: #514c64;--muted: #6d677c;--theme-text-faint: #6e677a;--text-faint: var(--theme-text-faint);--surface: #ffffff;--surface-soft: #f5f3fa;--surface-raised: #ffffff;--surface-pressed: #eeebf5;--sidebar: #ffffff;--header: #f7f7fbeb;--input: #ffffff;--line: #e1dce9;--purple: #5b45e0;--purple-deep: #4933cc;--purple-soft: #eee9ff;--theme-accent-text: #5940bd;--accent-text: var(--theme-accent-text);--accent-border: #d5c8f5;--theme-on-accent: #ffffff;--on-accent: var(--theme-on-accent);--focus-ring: #9477de;--hero-gradient: radial-gradient(ellipse at top right, #ffffffad, transparent 65%), linear-gradient(135deg, #eee9ff, #f8f7ff 62%, #e8f5f2);--accent-gradient: linear-gradient(140deg, #6654be, #4f38bb);--shadow: 0 8px 24px #2520330a;--shadow-strong: 0 18px 50px #3023491c;--overlay: #19152273;--success: #23775e;--success-soft: #e8f5ed;--success-border: #b8dbc9;--on-success: #ffffff;--danger: #b93752;--danger-soft: #fcecf0;--danger-border: #e9b9c5;--on-danger: #ffffff;--warning: #8b6319;--warning-soft: #fff4d8;--warning-border: #e7d399;--info: #326998;--info-soft: #eaf3fd;--info-border: #c1d8ed;--card-mark-ink: #353147;--card-mark-surface: #faf9fd}:root[data-theme=dark]{color-scheme:dark;--page: #15131e;--ink: #f3effa;--text-secondary: #ddd5ec;--muted: #b6abc8;--theme-text-faint: #a99dbb;--text-faint: var(--theme-text-faint);--surface: #242130;--surface-soft: #1e1b28;--surface-raised: #302b3e;--surface-pressed: #3c334e;--sidebar: #1b1824;--header: #191621ed;--input: #1b1825;--line: #443a55;--purple: #b6a2ff;--purple-deep: #cbbbff;--purple-soft: #342b4c;--theme-accent-text: #c7b5ff;--accent-text: var(--theme-accent-text);--accent-border: #69518f;--theme-on-accent: #201530;--on-accent: var(--theme-on-accent);--focus-ring: #c3adff;--hero-gradient: radial-gradient(ellipse at top right, #6a4a8338, transparent 65%), linear-gradient(135deg, #302640, #242130 65%, #20332e);--accent-gradient: linear-gradient(140deg, #c7b4ff, #a48ade);--shadow: 0 8px 24px #00000024;--shadow-strong: 0 18px 50px #00000052;--overlay: #05030bc7;--success: #77dfb0;--success-soft: #1c382d;--success-border: #35654e;--on-success: #102d20;--danger: #ff95aa;--danger-soft: #412532;--danger-border: #794355;--on-danger: #36111d;--warning: #edc37c;--warning-soft: #3b3121;--warning-border: #705f3e;--info: #94c6fb;--info-soft: #23344a;--info-border: #405e80}:root[data-theme=purple]{--page: #eee7fa;--ink: #2b1b40;--text-secondary: #513369;--muted: #684f78;--theme-text-faint: #675077;--text-faint: var(--theme-text-faint);--surface: #fbf8ff;--surface-soft: #e9dff5;--surface-raised: #fffaff;--surface-pressed: #dfcdeb;--sidebar: #e5d7f4;--header: #eee7faed;--input: #fffbff;--line: #d5c2e7;--purple: #7139b4;--purple-deep: #5d279d;--purple-soft: #e7d5f8;--theme-accent-text: #6a2da7;--accent-text: var(--theme-accent-text);--accent-border: #bb91d7;--theme-on-accent: #ffffff;--on-accent: var(--theme-on-accent);--focus-ring: #9563b8;--hero-gradient: radial-gradient(ellipse at top right, #fffbffd4, transparent 65%), linear-gradient(135deg, #ddc8f2, #efe1fa 62%, #e2d1f0);--accent-gradient: linear-gradient(140deg, #854ba7, #602795);--shadow: 0 8px 24px #4022560c;--shadow-strong: 0 18px 50px #4a256d21}:root[data-theme=pink]{--page: #fcebf3;--ink: #412537;--text-secondary: #694157;--muted: #785065;--theme-text-faint: #775165;--text-faint: var(--theme-text-faint);--surface: #fff8fb;--surface-soft: #f8e1ec;--surface-raised: #fffafd;--surface-pressed: #f0ccdd;--sidebar: #f5dce8;--header: #fcebf3ed;--input: #fffafd;--line: #e7bfd1;--purple: #ac326d;--purple-deep: #942356;--purple-soft: #f7d4e5;--theme-accent-text: #a52d65;--accent-text: var(--theme-accent-text);--accent-border: #d694b5;--theme-on-accent: #ffffff;--on-accent: var(--theme-on-accent);--focus-ring: #ca5b90;--hero-gradient: radial-gradient(ellipse at top right, #fffcffe0, transparent 65%), linear-gradient(135deg, #f6cee1, #fde4ee 62%, #f7dcd9);--accent-gradient: linear-gradient(140deg, #a54271, #972656);--shadow: 0 8px 24px #5f2b430c;--shadow-strong: 0 18px 50px #62203f1c}:root[data-theme=green]{--page: #eaf4ed;--ink: #203d2e;--text-secondary: #3a5e49;--muted: #4e685a;--theme-text-faint: #51675b;--text-faint: var(--theme-text-faint);--surface: #f8fcf9;--surface-soft: #e0eee5;--surface-raised: #fcfffd;--surface-pressed: #d0e3d7;--sidebar: #dcece2;--header: #eaf4eded;--input: #fcfffd;--line: #bcd5c6;--purple: #236b4b;--purple-deep: #19583b;--purple-soft: #d1e9da;--theme-accent-text: #246244;--accent-text: var(--theme-accent-text);--accent-border: #8ab69b;--theme-on-accent: #ffffff;--on-accent: var(--theme-on-accent);--focus-ring: #508b67;--hero-gradient: radial-gradient(ellipse at top right, #fafffbd4, transparent 65%), linear-gradient(135deg, #cee5d7, #e7f1df 62%, #d6e8de);--accent-gradient: linear-gradient(140deg, #31704e, #1e5e43);--shadow: 0 8px 24px #1c45300c;--shadow-strong: 0 18px 50px #1e4f3521}html{background:var(--page);color:var(--ink);accent-color:var(--purple)}body{background:var(--page);color:var(--ink)}::selection{color:var(--on-accent);background:var(--purple)}input::placeholder,textarea::placeholder{color:var(--text-faint);opacity:1}input,textarea,select{caret-color:var(--accent-text)}:focus-visible{outline-color:var(--focus-ring)}:root[data-text-mode=contrast]{--ink: #000000;--text-secondary: #000000;--muted: #000000;--text-faint: #000000;--accent-text: #000000;--on-accent: #ffffff;--on-success: #ffffff;--on-danger: #ffffff;--card-mark-ink: #000000}:root[data-theme=dark][data-text-mode=contrast]{--ink: #ffffff;--text-secondary: #ffffff;--muted: #ffffff;--text-faint: #ffffff;--accent-text: #ffffff;--on-accent: #000000;--on-success: #000000;--on-danger: #000000}:root[data-text-mode=contrast] .learn-type-toggle:not(.enabled) .learn-switch{background:var(--theme-text-faint)}:root[data-text-mode=contrast] .set-builder .draft-card{border-color:color-mix(in srgb,var(--line) 70%,var(--theme-accent-text));background:color-mix(in srgb,var(--surface-soft) 78%,var(--theme-accent-text))}:root[data-text-mode=contrast] .daily-card>span{background:color-mix(in srgb,var(--theme-on-accent) 12%,transparent)}:root[data-text-mode=contrast] .daily-card .secondary{border-color:color-mix(in srgb,var(--theme-on-accent) 18%,transparent);background:color-mix(in srgb,var(--theme-on-accent) 10%,transparent)}:root[data-text-mode=contrast] .auth-kicker{border-color:color-mix(in srgb,var(--theme-on-accent) 18%,transparent);background:color-mix(in srgb,var(--theme-on-accent) 10%,transparent)}:root[data-text-mode=contrast] :is(.nav-link.active,.avatar,.eyebrow,.text-button,.empty-library>span,.settings-icon,.study-mode-cards b,.auth-switch button,.invite-only-note svg,.offline-pill,.stat-icon.mint,.stat-icon.peach,.stat-icon.blue,.mode-icon.test,.activity-row b,.danger-text,.danger-link,.danger-outline,.mode-art.learn,.mode-art.test,.mode-art.exam,.learn-mastery-strip .unknown,.learn-mastery-strip .mastered,.grade.again,.grade.good,.grade.easy,.learn-level-badge.unknown,.answer-feedback.correct,.answer-feedback.wrong,.exam-setup-icon,.exam-rules>span,.exam-status-bar time,.exam-statement p,.exam-result-list article>span,.learn-resume-icon,.learn-save-note,.powerpoint-note,.card-range-panel>small,.generation-steps>span.done,.generation-complete-icon>span,.toast,.sync-status,.role-badge.ai-on,.ai-toggle.enabled,.admin-removal-head>span,.destructive-warning,.destructive-warning>span,.destructive-warning small,.form-message.error,.form-message.success,.card-learning-label.retained,.card-image-editor button:hover:not(:disabled),.card-image-editor__error,.note-card-icon,.notes-pending-badge,.notes-empty-art,.notes-mic-icon,.notes-tabs>button[aria-selected=true],.notes-transcript-segment>span,.notes-notice,.notes-queue,.notes-active-link,.notes-listening-banner,.draft-card__remove:hover,.handwriting-error,.learn-switch i,.learn-setup-notice,.set-card-editor__drag-handle.icon-button:hover,.set-card-editor__drag-handle.icon-button:focus-visible,.set-card-editor__number,.set-card-editor__remove.icon-button:hover,.set-card-editor__row-error,.set-card-editor__add-row,.set-card-editor__empty>svg,.set-card-editor__alert,.coach-mastery-path li.earned>span,.coach-status.revisit,.coach-status.retained,.coach-comparison small,.coach-confidence-note,.coach-pattern,.coach-error,.coach-stage.retain,.coach-stage.apply,.coach-options>button.correct>span:first-child,.coach-options>button>svg,.coach-feedback.correct .coach-feedback-title>span,.coach-feedback.correct h2,.coach-feedback.correct .coach-feedback-title p,.coach-question-error,.coach-complete-note,.coach-complete-note svg){color:var(--ink)!important}:root[data-text-mode=contrast] :is(.daily-card,.auth-story) .eyebrow{color:var(--on-accent)!important}:root[data-text-mode=contrast] :is(.subject-icon.violet,.subject-icon.mint,.subject-icon.peach,.subject-icon.blue,.subject-icon.rose,.subject-icon.sun,.color-picker button,.subject-dot,.handwriting-textarea){color:#000!important}:root[data-text-mode=contrast] .set-card .subject-icon{color:var(--ink)!important}@media(max-width:620px){:root{--mobile-topbar-height: max(60px, calc(48px + env(safe-area-inset-top)) )}.topbar{grid-template-columns:40px minmax(0,1fr) 40px;gap:8px;padding:max(6px,env(safe-area-inset-top)) 12px 6px}.menu-button,.topbar .primary,.search{height:40px;min-height:40px}.menu-button,.topbar .primary{width:40px}.search{padding:0 10px;border-radius:10px}.primary,.secondary{min-height:40px;gap:6px;padding:8px 12px;border-radius:9px;font-size:13px;line-height:1.25}.primary>svg,.secondary>svg{width:17px;height:17px;flex-shrink:0}.icon-button{width:36px;height:36px;border-radius:9px}.back-link,.text-button{min-height:36px;font-size:12px}.back-link{width:fit-content;max-width:100%;margin-bottom:12px}.learn-setup-card>header .back-link,.study-chooser>header .back-link{margin-bottom:0}.content,.home-screen.content,.coach-screen.content{padding:18px 14px 36px}.eyebrow{margin-bottom:6px;font-size:10px}.section-head{margin:24px 0 12px;gap:8px}.section-head h2,.section-head>div h2,.terms-head h2{font-size:17px}.page-title{flex-direction:row;align-items:center;gap:12px;margin-bottom:18px}.page-title h1,.welcome h1,.home-screen .welcome h1{font-size:25px;line-height:1.2;letter-spacing:-.7px}.page-title .primary{width:auto;flex-shrink:0}.welcome,.home-screen .welcome{padding:16px;gap:12px;border-radius:15px}.home-screen .welcome p:last-child{font-size:12px;line-height:1.5;margin-top:6px}.hero-button{width:auto}.stat-row{margin-top:16px;border-radius:12px}.stat-row>div{padding:11px;gap:9px}.stat-icon{width:30px;height:30px;border-radius:9px}.stat-icon svg{max-width:22px;max-height:22px}.set-grid{gap:10px}.set-card{display:grid;grid-template-columns:32px minmax(0,1fr);align-content:center;gap:8px 10px;min-height:104px;padding:14px;border-radius:13px}.set-card>.subject-icon{width:32px;height:32px;border-radius:9px}.set-card>.subject-icon svg{width:21px;height:21px}.set-card .set-copy{margin-top:0}.set-card .set-copy h3{margin:5px 0;font-size:15px}.set-card p{font-size:12px}.set-card .mastery-line{grid-column:2;margin-top:0}.home-lower{margin-top:24px;gap:14px}.activity-panel,.daily-card,.settings-card,.admin-table-card,.admin-invite-card{padding:16px;border-radius:14px}.activity-row{gap:8px;padding:10px 0}.set-hero{gap:12px;padding:15px;border-radius:14px}.subject-icon.large{width:40px;height:40px;border-radius:11px}.subject-icon.large svg{width:24px;height:24px}.set-hero-copy{flex-basis:calc(100% - 52px)}.set-hero h1{font-size:24px;line-height:1.2;letter-spacing:-.6px;overflow-wrap:anywhere}.set-hero-copy>p:not(.eyebrow){margin:7px 0 10px;font-size:12px;line-height:1.45}.set-meta{gap:6px 12px}.set-actions{gap:6px}.set-actions .secondary,.set-actions .icon-button{min-height:36px;height:36px}.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:14px 0}.mode-grid>button{min-width:0;min-height:64px;padding:12px 10px;gap:8px;border-radius:11px}.mode-grid .mode-art{width:30px;height:30px;border-radius:9px}.mode-grid .mode-art svg{width:19px;height:19px}.mode-grid h3{margin:0;font-size:13px;line-height:1.3}.mode-grid p,.mode-grid>button>svg{display:none}.set-coach-link{gap:10px;padding:13px;margin-top:16px;border-radius:12px}.set-coach-link button{align-self:flex-start;min-height:36px}.terms-head{gap:10px}.term-actions{grid-template-columns:minmax(0,1fr) auto;gap:8px}.term-actions button{width:auto}.term-row{grid-template-columns:20px minmax(0,1fr) 36px;gap:8px;padding:13px}.study-chooser{padding:18px 14px 36px}.study-intro{margin:20px auto}.study-intro h1{font-size:25px}.study-intro>p:last-child{font-size:12px;line-height:1.5}.study-mode-cards{gap:10px}.study-mode-cards>button{display:grid;grid-template-columns:34px minmax(0,1fr);gap:5px 12px;min-height:0;padding:14px;border-radius:12px}.study-mode-cards .mode-art{grid-row:1 / 4;width:34px;height:34px;border-radius:10px}.study-mode-cards .mode-art svg{width:21px;height:21px}.study-mode-cards h2{margin:0;font-size:16px}.study-mode-cards p{grid-column:2;font-size:11px;line-height:1.45}.study-mode-cards b{grid-column:2;margin-top:3px;font-size:11px}.study-topbar{min-height:60px;padding:8px 14px;gap:8px;grid-template-columns:36px minmax(0,1fr)}.study-topbar .icon-button{width:36px;height:36px}.learn-topbar{grid-template-columns:36px minmax(0,1fr) auto}.learn-mastery-strip{padding:8px 12px}.learn-mastery-strip>span{padding:6px}.study-stage,.question-stage,.exam-question-stage{padding:20px 14px 36px}.flashcard,.learn-session .learn-flashcard,.practice-session .practice-flashcard{min-height:clamp(210px,34svh,280px);padding:20px 16px;border-radius:16px}.flashcard>span{font-size:24px}.flashcard em{padding-top:24px}.grade-actions>div{flex-direction:row;gap:8px}.grade{flex:1;min-width:0;width:auto;min-height:40px;padding:10px;font-size:13px}.grade kbd{display:none}.answer-grid button,.exam-answer-grid button{min-height:54px;gap:10px;padding:10px 12px;border-radius:10px}.answer-grid.true-false,.exam-answer-grid.true-false{grid-template-columns:repeat(2,minmax(0,1fr))}.exam-navigation,.complete-actions,.coach-complete-actions{flex-direction:row;flex-wrap:wrap;gap:8px}.exam-navigation button,.complete-actions button{width:auto;min-height:40px;flex:1}.learn-setup-page,.learn-resume-page,.exam-setup-page,.exam-complete-page{padding:16px 12px 32px}.learn-setup-card,.learn-resume-card,.exam-setup-card,.exam-complete-hero,.exam-results{padding:16px;border-radius:15px}.learn-setup-heading{margin:16px 0;gap:10px}.learn-setup-heading .mode-art{width:36px;height:36px;border-radius:10px}.learn-setup-heading .mode-art svg{width:22px;height:22px}.learn-setup-heading h1{font-size:24px}.learn-setup-card legend{margin-bottom:9px}.learn-type-toggle{gap:10px;padding:10px 12px;border-radius:10px}.learn-type-toggle>svg{width:18px;height:18px;flex:none}.learn-type-toggle small{margin-top:2px;line-height:1.4}.learn-setup-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.learn-grading label{grid-template-columns:14px 58px minmax(0,1fr);align-items:start;gap:8px;padding:11px}.learn-grading label>span{grid-column:3;grid-row:1;line-height:1.45}.learn-setup-card>footer{gap:10px;margin-top:16px;padding-top:14px}.learn-setup-card>footer>p{margin:0}.practice-length-options{gap:14px;margin-bottom:18px}.learn-complete-card,.complete-card{padding:24px 18px;border-radius:16px}.generation-status{min-height:250px;padding:24px 18px}.modal{border-radius:15px 15px 0 0}.modal-head{align-items:center;gap:10px;padding:12px 14px}.modal-head h2{font-size:18px}.note-draft-status{padding:8px 14px;gap:6px;font-size:10px}.stack-form,.ai-builder,.quizlet-builder{gap:13px;padding:14px}input:not([type=file]):not([type=radio]):not([type=checkbox]),textarea,select{font-family:inherit;font-size:16px}.ai-builder textarea,.quizlet-builder textarea{height:140px;min-height:120px}.set-builder{padding:14px}.create-choices{gap:9px;padding:14px}.create-choices>button{gap:10px;padding:13px;border-radius:11px}.create-choices .mode-art{width:34px;height:34px;border-radius:10px}.create-choices .mode-art svg{width:20px;height:20px}.create-choices h3{font-size:13px}.create-choices p{font-size:11px;line-height:1.4}.builder-meta{gap:11px}.modal-actions{gap:7px}.sticky-actions{grid-template-columns:auto minmax(0,1fr) minmax(0,1fr);margin:14px -14px calc(-14px - env(safe-area-inset-bottom));padding:10px 14px calc(10px + env(safe-area-inset-bottom))}.sticky-actions button:last-child{grid-column:auto;width:auto}.sticky-actions button{padding:8px;font-size:12px}.set-builder .builder-cards{gap:10px}.set-builder .draft-card{padding:10px 12px 8px;border-radius:13px}.draft-card__heading{margin-bottom:8px}.draft-card__fields{gap:12px}.draft-card .card-text-editor__input{min-height:48px;padding:10px 12px}.draft-card__footer{margin-top:8px}.set-card-editor__heading{gap:9px}.set-card-editor__add-row{min-height:46px;padding:10px 12px}.set-card-editor__savebar{padding:10px 12px}.set-card-editor__savebar-main{gap:8px}.set-card-editor__save-actions{gap:7px}.card-range-panel{gap:10px;padding:12px}.card-range-inputs{gap:8px}.study-source-upload{gap:9px;padding:12px;border-radius:11px}.study-source-upload .source-upload-copy{gap:9px}.study-source-upload .source-upload-copy>span{width:30px;height:30px;border-radius:9px}.study-source-upload .source-upload-copy strong{font-size:13px}.study-source-upload .source-upload-copy p,.source-formats,.source-format-note{font-size:11px;line-height:1.45}.study-source-upload .source-file-button{min-height:40px;padding:8px 10px;font-size:12px}.source-photo-preview{max-height:210px}.study-source-upload .drive-privacy-note{font-size:10px}.ai-note{padding:10px}.coach-page-heading h1{font-size:25px}.coach-memory-intro,.coach-mistake{padding:16px;border-radius:14px}.coach-session{padding:14px 14px calc(24px + env(safe-area-inset-bottom))}.coach-question-layout{padding-top:18px}.coach-question-prompt{margin-bottom:18px;font-size:23px}.coach-options>button{padding:11px;gap:9px}.coach-complete-card{padding:22px 16px}.account-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.account-actions .secondary{min-height:40px;font-size:11px;white-space:normal}.theme-picker{gap:9px;margin-top:14px}.theme-option-body{min-height:140px;padding:7px 7px 10px}.theme-preview{height:64px}.theme-option-heading strong{font-size:12px}.theme-option-description{font-size:11px}.auth-story{padding:18px 16px}.auth-copy h1{font-size:26px}.auth-panel{padding:26px 18px}.auth-form-wrap h2{font-size:25px}}@media(max-width:359px){.primary,.secondary{padding-right:10px;padding-left:10px;font-size:12px}.learn-setup-options{grid-template-columns:minmax(0,1fr)}.mode-grid>button{gap:7px;padding:10px 8px}.mode-grid .mode-art{width:26px;height:28px}.mode-grid h3{font-size:12px}.sticky-actions button{padding-right:6px;padding-left:6px;font-size:11px}}