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.12s}@media(hover:hover){.example-menu-btn:hover{background:var(--bg-subtle);color:var(--text-primary)}}.example-menu-icon{width:18px;height:18px;fill:currentColor}.example-menu-popover{min-width:120px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 6px 20px #0000002e;padding:4px;z-index:9999;text-align:left}.example-menu-popover{background-color:var(--card);border:var(--bw) solid var(--outline);border-radius:var(--r);box-shadow:var(--shadow-hard),var(--shadow-2)}.example-menu-item{display:block;width:100%;padding:7px 12px;border:none;background:transparent;font-size:.85rem;color:var(--text-primary);text-align:left;cursor:pointer;border-radius:5px}@media(hover:hover){.example-menu-item:hover{background:var(--bg-subtle)}}.example-sentence{font-size:1.25rem;font-family:var(--font-jp);margin-bottom:-.425em;color:var(--text-primary)}.sentence-highlight{color:var(--accent-blue)}.sentence-highlight-vocab{color:var(--accent-purple)}.sentence-highlight-vocab rt{color:inherit}.sentence-highlight-name{color:var(--accent-name)}.sentence-highlight-name rt{color:inherit}.sentence-highlight-add{color:var(--accent-yellow)}.sentence-highlight-add rt{color:inherit}.md-bold{font-weight:700}.md-italic{font-style:italic}.sentence-strike{text-decoration:line-through;text-decoration-color:var(--accent-red);text-decoration-thickness:.12em}.sentence-strike ruby{text-decoration-line:line-through;text-decoration-color:var(--accent-red);text-decoration-thickness:.12em}.sentence-strike rt{text-decoration:none}.example-translation{font-size:.88rem;line-height:1.4;color:var(--text-secondary)}.example-note{font-size:.8rem;line-height:1.35;color:var(--text-tertiary, var(--text-secondary));font-style:italic;margin-top:.15em}.inline-vscript{writing-mode:vertical-lr;text-orientation:mixed;display:inline-block;vertical-align:middle;line-height:1;font-style:normal;margin:0 .95em 0 .15em}.audio-btn{display:inline-flex;align-items:center;justify-content:center;border:none;background:transparent;cursor:pointer;padding:0;line-height:0;color:var(--accent-blue);vertical-align:middle}.audio-btn-svg{width:1.15em;height:1.15em;display:block}.audio-btn-ring{fill:none;stroke:currentColor;stroke-width:1.6;opacity:.45;transition:opacity .12s}.audio-btn-shape{fill:currentColor}@media(hover:hover){.audio-btn:hover .audio-btn-ring{opacity:.9}}.audio-btn:active{transform:scale(.94)}.example-audio-btn{font-size:1.35rem}.detail-title-inner{position:relative;display:inline-block}.vocab-photo-grid{display:flex;flex-wrap:wrap;gap:12px}.vocab-photo{max-width:240px;max-height:240px;border-radius:8px;border:1px solid var(--border);object-fit:contain;background:var(--bg-subtle)}.tw-mandarin-sentence{margin-top:4px;opacity:.85}.review-page{max-width:720px;margin:0 auto}.review-tag-badge{display:flex;align-items:center;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:6px 12px;font-size:.82rem;font-weight:600;color:var(--text-secondary);margin-bottom:12px;gap:8px}.review-card-hint{font-size:.78rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.review-progress-bar{height:4px;background:var(--bg-card);border-radius:2px;margin-bottom:32px;overflow:hidden}.review-progress-fill{height:100%;background:var(--accent-blue);border-radius:2px;transition:width .3s ease}.review-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;min-height:380px;display:flex;flex-direction:column;gap:20px;box-shadow:var(--shadow-card)}.review-lang-badge{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;color:var(--text-muted);background:var(--bg-input);padding:3px 10px;border-radius:12px;width:fit-content}.review-done{text-align:center;padding:60px 32px}.review-done-icon{font-size:3rem;margin-bottom:16px}.review-done h2{font-size:1.6rem;margin-bottom:8px}.review-done p{color:var(--text-secondary);margin-bottom:24px}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:320px;gap:16px;color:var(--text-secondary)}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-box{background:#f8717114;border:1px solid var(--accent-red);border-radius:var(--radius-md);padding:16px 20px;color:var(--accent-red);font-size:.9rem}.spinner{border-color:var(--line-strong);border-top-color:var(--pink)}.loading-screen{color:var(--muted);font-weight:600}.error-box,.lp-error{background:var(--danger-tint);color:var(--danger);border:1.5px solid color-mix(in srgb,var(--danger) 45%,transparent);border-radius:var(--r-sm);font-weight:600}.fs-select-list,.lp-dropdown,.lms-course-dropdown,.example-menu-popover{background-color:var(--card);border:var(--bw) solid var(--outline);border-radius:var(--r);box-shadow:var(--shadow-hard),var(--shadow-2)}.fs-select-list{padding:6px}.fs-select-option{border-radius:var(--r-sm);color:var(--ink)}.fs-select-option.is-active{background:var(--surface-hover)}.fs-select-option.is-selected{color:var(--pink-deep);font-weight:700}.related-grammar-grid{display:flex;flex-direction:column;gap:10px}.related-grammar-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px}.related-grammar-title{font-size:.9rem;display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}.related-grammar-notes{font-size:.82rem;color:var(--text-secondary);margin-top:5px;line-height:1.55}.sources-grid{display:flex;flex-direction:column;gap:16px}.sources-subsection{display:flex;flex-direction:column;gap:6px}.sources-subsection-heading{font-size:.72rem;font-weight:700;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;padding-bottom:2px}.source-card{display:flex;align-items:center;gap:10px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px}.source-card-body{flex:1;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;min-width:0}.source-card-title{font-size:.88rem;color:var(--text-primary);font-weight:500}.source-card-link{color:var(--accent-blue);text-decoration:none}@media(hover:hover){.source-card-link:hover{text-decoration:underline}}.source-card-subtitle{font-size:.8rem;color:var(--text-muted)}.source-card-arrow{font-size:.82rem;color:var(--accent-blue);text-decoration:none;flex-shrink:0;opacity:.8}@media(hover:hover){.source-card-arrow:hover{opacity:1}}.source-card-raw{font-size:.82rem;color:var(--text-muted);padding:8px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm)}.writeup-inline-examples{margin:14px 0;display:flex;flex-direction:column;gap:14px}.example-item-inline{border-left-color:var(--accent-purple);background:var(--bg-secondary)}.heading-module{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px}.heading-module-left{display:flex;flex-direction:column;gap:3px;min-width:0}.heading-module-title{font-size:1.3rem;font-weight:700;color:var(--text-primary);margin:0;line-height:1.25}.heading-module-flag{margin-right:6px}.heading-module-subtitle{font-size:.82rem;color:var(--text-muted);margin:0;line-height:1.4}.heading-module-actions{display:flex;align-items:center;gap:6px;flex-shrink:0;padding-top:2px}@media(max-width:768px){.main-content{padding:20px 16px}.entry-grid{grid-template-columns:minmax(0,1fr)}.entry-grid>*{min-width:0}.navbar{padding:0 14px;gap:10px}}.lesson-badge{display:inline-flex;align-items:center;align-self:flex-start;font-size:.78rem;font-weight:600;color:var(--accent-blue);background:#3b82f61a;border:1px solid rgba(59,130,246,.25);border-radius:4px;padding:2px 8px;letter-spacing:.02em;max-width:420px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.writeup-collapsible-section{margin:14px 0;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;background:var(--bg-card)}.writeup-collapsible-section+.writeup-collapsible-section{margin-top:14px}.writeup-collapsible-summary{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;-webkit-user-select:none;user-select:none;list-style:none;font-weight:600;font-size:.85rem;color:var(--text-primary);background:var(--bg-secondary);border-bottom:1px solid transparent;transition:background .15s}@media(hover:hover){.writeup-collapsible-summary:hover{background:var(--bg-hover)}}.writeup-collapsible-section[open]>.writeup-collapsible-summary{border-bottom-color:var(--border)}.writeup-collapsible-summary::-webkit-details-marker{display:none}.writeup-collapsible-summary::marker{display:none}.writeup-collapsible-icon{font-size:.6rem;color:var(--accent-blue);transition:transform .2s;display:inline-block;flex-shrink:0}.writeup-collapsible-section[open] .writeup-collapsible-icon{transform:rotate(90deg)}.writeup-collapsible-title{color:var(--accent-blue);letter-spacing:.01em;text-transform:uppercase;font-size:.78rem}.writeup-collapsible-body{padding:14px 18px;line-height:2.5}.writeup-collapsible-body .writeup-paragraph{margin:0;line-height:2.2}.writeup-collapsible-body .writeup-inline-examples{margin:10px 0}.writeup-collapsible-body .example-sentence .sentence-highlight{color:var(--accent-blue)}.supplemental-section{margin:12px 0;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;background:var(--bg-card)}.supplemental-section+.supplemental-section{margin-top:8px}.supplemental-summary{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;-webkit-user-select:none;user-select:none;list-style:none;font-weight:600;font-size:.85rem;color:var(--text-primary);background:var(--bg-secondary);border-bottom:1px solid transparent;transition:background .15s}@media(hover:hover){.supplemental-summary:hover{background:var(--bg-hover)}}.supplemental-section[open]>.supplemental-summary{border-bottom-color:var(--border)}.supplemental-summary::-webkit-details-marker{display:none}.supplemental-summary::marker{display:none}.supplemental-icon{font-size:.6rem;color:var(--accent-blue);transition:transform .2s;display:inline-block;flex-shrink:0}.supplemental-section[open] .supplemental-icon{transform:rotate(90deg)}.supplemental-title{color:var(--accent-blue);letter-spacing:.01em;text-transform:uppercase;font-size:.78rem}.supplemental-body{padding:14px 18px;line-height:2.5}.supplemental-body .writeup-paragraph{margin:0;line-height:2.2}.entry-hierarchy{display:flex;flex-direction:column;gap:10px}.level-collapse{border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;background:var(--bg-card)}.level-collapse-header{display:flex;align-items:center;gap:10px;width:100%;padding:14px 18px;background:var(--bg-secondary);border:none;cursor:pointer;text-align:left;font-size:.875rem;font-weight:600;color:var(--text-primary);transition:background .15s;border-bottom:1px solid transparent}.level-collapse.open>.level-collapse-header{border-bottom-color:var(--border);background:var(--bg-hover)}@media(hover:hover){.level-collapse-header:hover{background:var(--bg-hover)}}.level-collapse-arrow{font-size:.65rem;color:var(--accent-blue);flex-shrink:0;transition:transform .2s}.level-collapse-meta{font-size:.8rem;font-weight:400;color:var(--text-muted);margin-left:auto}.level-collapse-body{padding:10px 14px 14px;display:flex;flex-direction:column;gap:6px}.lesson-collapse{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-primary)}.lesson-collapse-header{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;background:var(--bg-card);border:none;cursor:pointer;text-align:left;font-size:.82rem;color:var(--text-primary);transition:background .15s;border-bottom:1px solid transparent}.lesson-collapse.open>.lesson-collapse-header{border-bottom-color:var(--border)}@media(hover:hover){.lesson-collapse-header:hover{background:var(--bg-hover)}}.lesson-collapse-arrow{font-size:.6rem;color:var(--accent-blue);flex-shrink:0}.lesson-collapse-num{font-weight:700;color:var(--accent-blue);white-space:nowrap;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}.lesson-collapse-desc{color:var(--text-secondary);font-size:.87rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.lesson-collapse-desc--primary{color:var(--text-primary);font-weight:600;font-size:.9rem}.lesson-collapse-count{font-size:.78rem;color:var(--text-muted);margin-left:auto;white-space:nowrap}.lesson-collapse-body{padding:12px 14px 14px}.sublesson-list{display:flex;flex-direction:column;gap:6px}.sublesson-collapse{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-primary)}.sublesson-collapse-header{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;background:var(--bg-card);border:none;cursor:pointer;text-align:left;font-size:.78rem;color:var(--text-primary);transition:background .15s;border-bottom:1px solid transparent}.sublesson-collapse.open>.sublesson-collapse-header{border-bottom-color:var(--border)}@media(hover:hover){.sublesson-collapse-header:hover{background:var(--bg-hover)}}.sublesson-collapse-arrow{font-size:.55rem;color:var(--text-muted);flex-shrink:0}.sublesson-collapse-num{font-weight:600;color:var(--text-muted);white-space:nowrap;font-size:.78rem;font-variant-numeric:tabular-nums}.sublesson-collapse-name{color:var(--text-secondary);font-size:.84rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.sublesson-collapse-count{font-size:.75rem;color:var(--text-muted);margin-left:auto;white-space:nowrap}.sublesson-collapse-body{padding:10px 12px 12px}.book-admin-controls{display:flex;align-items:center;gap:2px;margin-left:8px;flex-shrink:0}.book-admin-btn{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);font-size:.7rem;cursor:pointer;transition:background .12s,color .12s;line-height:1}@media(hover:hover){.book-admin-btn:hover:not(:disabled){background:var(--bg-hover);color:var(--accent-blue);border-color:var(--accent-blue)}}.book-admin-btn:disabled{opacity:.3;cursor:default}.entry-module{position:relative}.entry-module--list{display:flex;flex:1;min-width:0}.entry-module--list>*{flex:1;min-width:0}.entry-module--admin{display:flex;flex-direction:column;gap:4px}.entry-module-admin-controls{display:flex;gap:4px;justify-content:flex-end;padding:2px 0}.entry-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;display:flex;flex-direction:column;gap:5px;text-decoration:none;color:inherit;height:100%;overflow:clip;box-sizing:border-box;cursor:pointer;transition:none;position:relative}@media(hover:hover){.entry-card:hover{border-color:var(--accent-blue);background:var(--bg-card-hover);transform:translateY(-1px);box-shadow:var(--shadow-glow)}}.entry-card-common{position:absolute;top:9px;right:9px;width:17px;height:17px;border-radius:50%;background:var(--accent-green);color:var(--bg-base);font-size:.58rem;font-weight:800;display:flex;align-items:center;justify-content:center;line-height:1;letter-spacing:0;pointer-events:none}.entry-card-body{display:flex;flex-direction:column;gap:5px;flex:1;min-height:0;overflow:hidden}.entry-card-primary{font-size:1.05rem;font-weight:600;color:var(--text-primary);line-height:1.3;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;padding-right:22px}.entry-card-reading{font-size:.78em;font-weight:400;color:var(--text-secondary)}.chapter-loading-indicator{display:inline-flex;align-items:center;margin-left:8px}.spinner--xs{width:12px;height:12px;border-width:2px}.ba-help{color:var(--text-secondary);font-size:.85rem;margin-bottom:20px;line-height:1.5}.ba-two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:640px){.ba-two-col{grid-template-columns:1fr}}.ba-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px}.ba-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.ba-card-title{font-weight:700;font-size:.9rem;color:var(--text-primary)}.ba-card-desc{font-size:.8rem;color:var(--text-muted);margin-bottom:12px;line-height:1.4}.ba-reorder-list{display:flex;flex-direction:column;gap:4px}.ba-reorder-row{display:flex;align-items:center;gap:8px;padding:7px 10px;background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);min-height:36px}.ba-chapter-row{cursor:pointer}@media(hover:hover){.ba-chapter-row:hover{background:var(--bg-card-hover)}}.ba-chapter-row.selected{border-color:var(--accent-blue);background:var(--bg-card)}.ba-reorder-label{flex:1;font-size:.85rem;color:var(--text-secondary);display:flex;align-items:center;gap:6px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ba-reorder-btns{display:flex;gap:3px;flex-shrink:0}.ba-arrow-btn{background:var(--bg-elevated, var(--bg-secondary));border:1px solid var(--border);color:var(--text-muted);border-radius:4px;width:26px;height:26px;font-size:.6rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .1s,color .1s}@media(hover:hover){.ba-arrow-btn:hover:not(:disabled){background:var(--accent-blue);color:#fff}}.ba-arrow-btn:disabled{opacity:.3;cursor:default}.ba-icon-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.85rem;padding:4px 6px;border-radius:4px;transition:color .1s,background .1s}@media(hover:hover){.ba-icon-btn:hover{color:var(--accent-blue);background:var(--bg-card-hover)}}.ba-level-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;display:inline-block}.ba-inline-input{background:var(--bg-input);border:1px solid var(--border-focus);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.85rem;padding:4px 8px;flex:1;min-width:0}.ba-inline-input:focus{outline:none;border-color:var(--accent-blue)}.ba-label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.ba-field{margin-bottom:12px}.ba-section-selector{display:flex;flex-wrap:wrap;gap:6px}.ba-section-btn{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-sm);padding:6px 12px;font-size:.82rem;cursor:pointer;transition:background .15s,border-color .15s}@media(hover:hover){.ba-section-btn:hover{background:var(--bg-card-hover)}}.ba-section-btn.active{border-color:var(--accent-blue);color:var(--accent-blue);background:var(--bg-card-hover)}.ba-section-count{display:inline-flex;align-items:center;justify-content:center;background:var(--border);color:var(--text-muted);border-radius:10px;font-size:.72rem;padding:1px 6px;margin-left:4px}.ba-book-list{display:flex;flex-direction:column;gap:6px}.ba-book-row{display:flex;align-items:center;gap:12px;padding:8px 10px;background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm)}.ba-book-cover{width:36px;height:36px;flex-shrink:0;border-radius:4px;overflow:hidden;background:var(--bg-elevated, var(--bg-secondary));display:flex;align-items:center;justify-content:center;font-size:1.2rem}.ba-book-cover img{width:100%;height:100%;object-fit:cover}.ba-book-info{flex:1;min-width:0}.ba-book-name{font-size:.87rem;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ba-book-desc{font-size:.78rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ba-book-edit-form{display:flex;flex-direction:column;gap:4px}.ba-lesson-num{font-weight:700;color:var(--accent-blue);font-size:.8rem;white-space:nowrap;margin-right:6px}.ba-lesson-desc{font-size:.82rem;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.detail-structure{font-family:inherit;font-size:.95rem;color:var(--text-secondary);display:flex;flex-direction:column;gap:4px}.structure-group{display:flex;align-items:flex-start;gap:10px}.structure-group-labeled{align-items:baseline}.structure-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);background:var(--bg-secondary);border:1px 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audio{width:100%;height:40px}.entry-field-media-path{font-family:var(--f-mono);font-size:.8rem;color:var(--text-muted)}.entry-field-media-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.entry-field-media-clear{color:var(--accent-red)!important}.entry-field-media-error{font-size:.8rem;color:var(--accent-red);padding:4px 0}.entry-tag-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin-bottom:16px}.entry-tag-card{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:background .12s,border-color .12s,box-shadow .12s;-webkit-user-select:none;user-select:none}.entry-tag-card:focus-visible{background:var(--bg-card-hover);border-color:var(--accent-blue);box-shadow:0 2px 8px #00000014;outline:none}@media(hover:hover){.entry-tag-card:hover{background:var(--bg-card-hover);border-color:var(--accent-blue);box-shadow:0 2px 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1fr;align-items:center;gap:10px}.entry-tag-field-map-label{font-size:.8rem;color:var(--text-muted);font-weight:500}.entry-tag-field-map-select{font-size:.82rem}.books-section-desc{font-size:.85rem;color:var(--text-muted);margin-bottom:16px}.books-collection-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;margin-bottom:16px}.books-tab-bar{display:flex;border-bottom:2px solid var(--border);margin-bottom:24px;gap:0}.books-tab{display:flex;align-items:center;gap:8px;padding:10px 24px;border:none;background:none;cursor:pointer;font-size:.925rem;font-weight:600;color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s;white-space:nowrap}@media(hover:hover){.books-tab:hover{color:var(--text-primary)}}.books-tab--active{color:var(--accent-blue, #5b8dee);border-bottom-color:var(--accent-blue, #5b8dee)}.books-tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--chip-bg);font-size:.72rem;font-weight:700;color:var(--text-secondary)}.books-tab-badge--active{background:var(--accent-blue, #5b8dee);color:#fff}.books-tab-bar{display:inline-flex;gap:4px;padding:4px;max-width:100%;background:var(--paper-2);border:1.5px solid var(--line-strong);border-radius:var(--r-pill);overflow-x:auto;scrollbar-width:none}.books-tab-bar::-webkit-scrollbar{display:none}.books-tab{min-height:38px;padding:0 16px;margin:0;border:0;border-radius:var(--r-pill);color:var(--ink-2);font-size:var(--fs-sm);font-weight:650;transition:background-color var(--t-fast),color 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.books-deck-header{border-bottom-color:var(--border);background:color-mix(in srgb,var(--accent-blue, #5b8dee) 5%,transparent)}.books-deck-toggle{display:flex;align-items:center;gap:8px;flex:1;min-width:0;background:none;border:none;cursor:pointer;padding:0;text-align:left;color:inherit}.books-deck-arrow{font-size:.7rem;color:var(--text-muted);flex-shrink:0}.books-deck-icon{font-size:1.1rem;line-height:1;flex-shrink:0}.books-deck-name{font-size:.95rem;font-weight:700;color:var(--text-primary);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.books-deck-count{font-size:.78rem;color:var(--text-muted);background:var(--chip-bg);border-radius:10px;padding:2px 8px;flex-shrink:0}.books-deck-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.books-deck-select-btn{min-width:130px;font-size:.8rem!important}.books-deck-body{padding:16px}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.book-card{display:flex;align-items:flex-start;gap:12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 14px;text-decoration:none;color:var(--text-primary);transition:background .15s,border-color .15s,transform .1s}@media(hover:hover){.book-card:hover{background:var(--bg-card-hover);border-color:var(--accent-blue);transform:translateY(-1px)}}.book-card-icon{font-size:1.5rem;line-height:1;flex-shrink:0;margin-top:2px}.book-card-body{flex:1;min-width:0}.book-card-code{font-size:.66rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent, 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.12s}@media(hover:hover){.fsrs-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}}.fsrs-btn:active{transform:translateY(0)}.fsrs-again{background:var(--fsrs-again)}.fsrs-hard{background:var(--fsrs-hard);color:#1c1c1e}.fsrs-good{background:var(--fsrs-good)}.fsrs-easy{background:var(--fsrs-easy)}.fsrs-summary{display:flex;gap:20px;justify-content:center}.fsrs-summary-item{display:flex;flex-direction:column;align-items:center;gap:2px}.fsrs-summary-count{font-size:1.6rem;font-weight:700}.fsrs-summary-label{font-size:.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.learn-page{max-width:800px;margin:0 auto}.learn-settings-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;max-width:480px;margin:0 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var(--border)}.course-about-admit-deadline-label{font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}.course-about-admit-deadline-date{font-size:1.02rem;font-weight:800;color:var(--accent-blue)}.course-about-admit-body{padding:20px;display:flex;flex-direction:column;gap:14px}.course-about-admit .btn{width:100%}.course-about-nav{display:flex;gap:24px;flex-wrap:wrap;padding:4px 22px;background:var(--bg-card);border:1px solid var(--border);border-radius:14px}.course-about-nav a{padding:12px 2px;font-size:.9rem;font-weight:600;color:var(--text-secondary);text-decoration:none;border-bottom:2px solid transparent}@media(hover:hover){.course-about-nav a:hover{color:var(--text-primary);border-bottom-color:var(--accent-blue)}}.course-about-stats{display:grid;grid-template-columns:repeat(5,1fr);padding:18px 14px;background:var(--bg-card);border:1px solid 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28px}.course-about-learn-item{display:flex;gap:12px;font-size:.92rem;color:var(--text-secondary);line-height:1.45}.course-about-check{color:var(--accent-blue);font-weight:800;flex-shrink:0}.course-about-skills{display:flex;flex-wrap:wrap;gap:10px}.course-about-skill{font-size:.84rem;font-weight:600;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border);border-radius:999px;padding:7px 16px}.course-about-cta-band{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:26px 28px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px}.course-about-cta-band-title{font-size:1.2rem;font-weight:800}.course-about-cta-band-sub{font-size:.9rem;color:var(--text-muted);margin-top:3px}@media(max-width:760px){.course-about-hero-inner{flex-direction:column;align-items:stretch;gap:20px;padding:52px 18px 30px}.course-about-admit{flex-basis:auto;max-width:100%}.course-about-stats{grid-template-columns:1fr 1fr;gap:14px 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auto;padding:16px}.media-section{margin-bottom:34px}.media-section-head{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:1.02rem;font-weight:700;color:var(--text-primary)}.media-section-icon{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;background:var(--bg-secondary, #eef1f7);color:var(--text-secondary)}.media-grid{display:grid;gap:18px 16px;align-items:start}.media-section--landscape .media-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.media-section--portrait .media-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.media-section--square .media-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}.media-section--vertical 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12px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.media-card-title{margin-top:8px;font-size:.9rem;font-weight:600;line-height:1.35;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.media-card-by{margin-top:2px;font-size:.78rem;color:var(--text-muted)}.media-card-row,.media-card-text{display:contents}.media-card-avatar,.media-card-meta{display:none}@media(max-width:700px){.media-section--landscape .media-grid{grid-template-columns:1fr;gap:0}.media-section--landscape .media-card{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-areas:"poster poster" "avatar text";column-gap:12px;width:100vw;margin-inline:calc(50% - 50vw);padding:0 12px 20px}.media-section--landscape .media-poster{grid-area:poster;width:calc(100% + 24px);margin-inline:-12px;border-radius:0}.media-section--landscape .media-card:hover .media-poster img{transform:none}.media-section--landscape 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.media-card-meta{display:block;margin-top:3px;font-size:.78rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.media-section--landscape{margin-bottom:8px}.media-section--vertical .media-card-meta{display:block;margin-top:2px;font-size:.78rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}.media-filter-row{display:flex;flex-wrap:wrap;gap:8px}.media-filter{display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border:1px solid var(--border, #e3e8ee);border-radius:999px;background:var(--bg-card, #fff);color:var(--text-secondary);font-size:.84rem;cursor:pointer}@media(hover:hover){.media-filter:hover{border-color:var(--border-focus)}}.media-filter.is-on{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.media-filter-n{opacity:.7;font-variant-numeric:tabular-nums}.bookpage{max-width:1040px;margin:0 auto;padding:16px}.bookreader.am-player{max-width:760px}.bookreader .am-lyricsmode{height:66vh}.bookreader .am-lyricart{height:40px;width:auto;aspect-ratio:2 / 3}.bookreader .am-lyricline{--focus-rest: .38;--focus-lift: .015;--d: 1;opacity:max(var(--focus-rest),calc(1 - var(--d)));transform:scale(calc(1 - min(var(--d),1) * var(--focus-lift)));transition:opacity .11s linear,transform .11s linear}.bookreader .am-lyricline.is-active{opacity:max(var(--focus-rest),calc(1 - var(--d)))}.translator{max-width:1000px;margin:0 auto;padding:28px 16px 48px}.translator-card{border:1px solid var(--border);border-radius:16px;background:var(--bg-card);box-shadow:0 1px 2px #0000000a,0 8px 28px #0000000f;overflow:visible}.translator-bar{display:grid;grid-template-columns:1fr 56px 1fr;align-items:center;border-bottom:1px solid var(--border);padding:6px 8px}.translator-lang{position:relative;min-width:0}.translator-lang--to{justify-self:start}.translator-langbtn{display:inline-flex;align-items:center;gap:6px;max-width:100%;padding:9px 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1fr}.translator-pane{position:relative;display:flex;flex-direction:column;min-width:0;padding:20px 22px 14px}.translator-pane+.translator-pane{border-left:1px solid var(--border)}.translator-body{flex:1 1 auto;min-height:168px;display:flex}.translator-input,.translator-output{flex:1 1 auto;min-width:0;font-family:inherit;font-size:1.5rem;line-height:1.9;color:var(--text-primary);overflow-wrap:anywhere}.translator .translator-input,[data-theme=light] .translator .translator-input,[data-theme=dark] .translator .translator-input{width:100%;resize:none;padding:0;border:0;background:transparent;outline:none;box-shadow:none;border-radius:0}.translator 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- 50vw)}.lesson-collapse+.lesson-collapse,.sublesson-collapse+.sublesson-collapse{margin-top:0}.level-collapse-header,.lesson-collapse-header,.sublesson-collapse-header{display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"num   title  chevron" "meta  meta   chevron";align-items:center;column-gap:0;row-gap:0;padding:11px 16px;border:0;border-radius:0;background:var(--bg-secondary);box-shadow:inset 0 -1px 0 var(--border)}.level-collapse.open>.level-collapse-header,.lesson-collapse.open>.lesson-collapse-header,.sublesson-collapse.open>.sublesson-collapse-header{background:var(--bg-secondary);border-bottom-color:transparent}.level-collapse-header>span:not([class*=arrow]):not([class*=meta]):not([class*=count]):not([class*=num]),.lesson-collapse-desc,.sublesson-collapse-name{grid-area:title;font-size:1rem;font-weight:700;line-height:1.3;color:var(--text-primary);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-collapse-num,.sublesson-collapse-num{grid-area:num;justify-self:start;margin:0 9px 0 0;padding:0;background:none;border:0;font-size:1rem;font-weight:700;line-height:1.3;color:var(--text-primary);white-space:nowrap}.level-collapse-meta,.lesson-collapse-count,.sublesson-collapse-count{grid-area:meta;margin:0;font-size:.8rem;font-weight:400;color:var(--text-muted);justify-self:start}.level-collapse-arrow,.lesson-collapse-arrow,.sublesson-collapse-arrow{grid-area:chevron;align-self:center;margin-left:12px;font-size:0;width:22px;height:22px;background-color:var(--accent-blue);-webkit-mask-image:var(--chevron-glyph);mask-image:var(--chevron-glyph);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center;-webkit-mask-size:18px 18px;mask-size:18px 18px;transition:transform .18s ease}.level-collapse.open>.level-collapse-header .level-collapse-arrow,.lesson-collapse.open>.lesson-collapse-header .lesson-collapse-arrow,.sublesson-collapse.open>.sublesson-collapse-header 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var(--ink);--fibre: #FFFFFF;--night: #1B1640;--night-2: #2A2363;--night-3: #372E7A;--night-ink: #F6F1FF;--pink: #FF3E8A;--sun: #FFD23F;--blue: #3D5AFE;--mint: #2EDC9A;--tangerine: #FF7A2F;--violet: #8C5CFF;--pink-deep: #C8125E;--sun-deep: #8A6400;--blue-deep: #2A3FD6;--mint-deep: #0B7A52;--tangerine-deep: #B4470B;--violet-deep: #5B2FD9;--pink-tint: #FFE0EC;--sun-tint: #FFF3C4;--blue-tint: #E0E5FF;--mint-tint: #D5F7EA;--tangerine-tint: #FFE4D3;--violet-tint: #ECE3FF;--accent: var(--pink);--accent-ink: var(--pink-deep);--on-accent: #FFFFFF;--link: var(--blue-deep);--danger: #D7263D;--danger-tint: #FFE1E5;--success: var(--mint-deep);--warning: var(--tangerine-deep);--focus: var(--blue);--grad-pink: linear-gradient(100deg, var(--pink) 0%, var(--tangerine) 100%);--grad-blue: linear-gradient(100deg, var(--blue) 0%, var(--violet) 100%);--grad-mint: linear-gradient(100deg, var(--mint) 0%, var(--sun) 100%);--srs-apprentice: var(--pink);--srs-guru: var(--violet);--srs-master: var(--blue);--srs-enlightened: var(--mint);--srs-burned: var(--ink);--f-display: "Bricolage Grotesque", "Geist", ui-sans-serif, system-ui, sans-serif;--f-accent: "Fraunces", "Iowan Old Style", Georgia, serif;--f-body: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--f-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;--display-stretch: 92%;--fs-2xs: .6875rem;--fs-xs: .75rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-md: 1.125rem;--fs-lg: clamp(1.25rem, 1.1rem + .6vw, 1.5rem);--fs-xl: clamp(1.5rem, 1.2rem + 1vw, 2.1rem);--fs-2xl: clamp(2rem, 1.4rem + 2.2vw, 3.3rem);--fs-3xl: clamp(2.4rem, 1.5rem + 3.4vw, 4.4rem);--fs-hero: clamp(2.8rem, 1.2rem + 6.4vw, 7.5rem);--lh-tight: 1.02;--lh-snug: 1.25;--lh-body: 1.6;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--sp-7: 48px;--sp-8: 64px;--sp-9: 96px;--gutter: clamp(16px, 4vw, 56px);--maxw: 1240px;--maxw-text: 68ch;--r-xs: 4px;--r-sm: 8px;--r: 14px;--r-lg: 22px;--r-xl: 32px;--r-pill: 999px;--bw: 2px;--shadow-1: 0 1px 1px rgba(30, 26, 58, .05), 0 2px 6px rgba(30, 26, 58, .06);--shadow-2: 0 2px 4px rgba(30, 26, 58, .05), 0 12px 32px -8px rgba(30, 26, 58, .18);--shadow-3: 0 4px 10px rgba(30, 26, 58, .07), 0 30px 70px -20px rgba(30, 26, 58, .32);--shadow-paper: 0 1px 0 rgba(255, 255, 255, .7) inset, 0 1px 1px rgba(30, 26, 58, .12), 0 8px 18px -6px rgba(30, 26, 58, .28);--shadow-lift: 0 1px 0 rgba(255, 255, 255, .7) inset, 0 2px 2px rgba(30, 26, 58, .1), 0 18px 34px -10px rgba(30, 26, 58, .34);--shadow-hard: 0 3px 0 var(--outline);--shadow-hard-lg: 0 5px 0 var(--outline);--sticker-border: 6px;--sticker-shadow: drop-shadow(0 6px 8px rgba(30, 26, 58, .22));--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--ease-stamp: cubic-bezier(.2, 1.6, .4, 1);--t-fast: .16s;--t: .32s;--t-slow: .56s;--boil-fps: 12;--z-base: 1;--z-sticky: 50;--z-header: 100;--z-dropdown: 200;--z-drawer: 300;--z-modal: 400;--z-toast: 500;--z-transition: 600;--z-skip: 700;--header-h: 68px;--footer-gap: var(--sp-8);--pat-polka: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, .85) 0 22%, transparent 24%);--pat-polka-size: 18px 18px;--pat-halftone: radial-gradient(circle at 50% 50%, rgba(30, 26, 58, .16) 0 28%, transparent 30%);--pat-halftone-size: 7px 7px;--pat-grain: url(/brand/paper-grain.png);--pat-fibre: url(/brand/paper-fibre.png);--pat-wood: repeating-linear-gradient(92deg, rgba(160, 96, 0, .1) 0 2px, transparent 2px 9px, rgba(160, 96, 0, .06) 9px 10px, transparent 10px 17px);color-scheme:light}html[data-theme=dark],.fs-theme-night{--paper: #1B1640;--paper-2: #221B52;--paper-3: #2A2363;--card: #2A2363;--card-hover: #322A72;--ink: #F6F1FF;--ink-2: #D3CBF2;--muted: #A79FD0;--muted-2: #8C84B8;--line: rgba(246, 241, 255, .12);--line-strong: rgba(246, 241, 255, .24);--outline: #0E0B26;--fibre: #EDE6FF;--pink-deep: #FF7AB0;--sun-deep: #FFD23F;--blue-deep: #8FA0FF;--mint-deep: #4BE8AE;--tangerine-deep: #FF9A5C;--violet-deep: #B597FF;--pink-tint: #4A1E5C;--sun-tint: #4A3E2A;--blue-tint: #26307A;--mint-tint: #17405A;--tangerine-tint: #4A2A3A;--violet-tint: #3A2A80;--danger: #FF6B7F;--danger-tint: #4A1E3A;--srs-burned: #F6F1FF;--shadow-1: 0 1px 1px rgba(0, 0, 0, .25), 0 2px 6px rgba(0, 0, 0, .25);--shadow-2: 0 2px 4px rgba(0, 0, 0, .25), 0 12px 32px -8px rgba(0, 0, 0, .5);--shadow-3: 0 4px 10px rgba(0, 0, 0, .3), 0 30px 70px -20px rgba(0, 0, 0, .6);--shadow-paper: 0 1px 0 rgba(255, 255, 255, .08) inset, 0 1px 1px rgba(0, 0, 0, .3), 0 8px 18px -6px rgba(0, 0, 0, .55);--shadow-lift: 0 1px 0 rgba(255, 255, 255, .08) inset, 0 2px 2px rgba(0, 0, 0, .3), 0 18px 34px -10px rgba(0, 0, 0, .65);--sticker-shadow: drop-shadow(0 6px 10px rgba(0, 0, 0, .45));--pat-halftone: radial-gradient(circle at 50% 50%, rgba(246, 241, 255, .14) 0 28%, transparent 30%);color-scheme:dark}:root,html[data-theme=dark],html[data-theme=light],.fs-theme-night,.fs-theme-paper{--bg-primary: var(--paper);--bg-secondary: var(--paper-2);--bg-tertiary: var(--paper-3);--bg-card: var(--card);--bg-card-hover: var(--card-hover);--bg-input: var(--card);--bg-sidebar: transparent;--grid-empty: color-mix(in srgb, var(--paper-2) 55%, var(--card));--surface-raised: color-mix(in srgb, var(--ink) 5%, transparent);--surface-hover: color-mix(in srgb, var(--ink) 8%, transparent);--bg: var(--paper);--bg-base: var(--paper);--bg-page: var(--paper);--bg-elevated: var(--card);--bg-hover: var(--surface-hover);--bg-subtle: var(--paper-2);--surface: var(--card);--surface-1: var(--card);--surface-2: var(--paper-2);--border: var(--line-strong);--border-subtle: var(--line);--border-focus: var(--focus);--border-color: var(--line-strong);--border-light: var(--line);--text-primary: var(--ink);--text-secondary: var(--ink-2);--text-muted: var(--muted);--text: var(--ink);--text-tertiary: var(--muted-2);--accent-blue: var(--blue-deep);--accent-blue-hover: var(--violet-deep);--accent-blue-bg: var(--blue-tint);--accent-blue-subtle: var(--blue-tint);--accent-green: var(--mint-deep);--accent-red: var(--danger);--accent-yellow: var(--sun-deep);--accent-purple: var(--violet-deep);--accent-orange: var(--tangerine-deep);--accent-pink: var(--pink-deep);--accent-teal: var(--mint-deep);--accent-name: var(--muted);--error: var(--danger);--entry-title: var(--blue-deep);--fsrs-again: var(--pink);--fsrs-hard: var(--tangerine);--fsrs-good: var(--mint);--fsrs-easy: var(--blue);--chip-bg: var(--pink-tint);--chip-border: color-mix(in srgb, var(--pink) 45%, transparent);--course-chip-bg: var(--card);--course-chip-bg-hover: var(--card-hover);--course-chip-border: var(--outline);--course-chip-border-hover: var(--outline);--course-dropdown-bg: var(--card);--course-dropdown-border: var(--line-strong);--radius-sm: var(--r-sm);--radius-md: var(--r);--radius-lg: var(--r-lg);--radius: var(--r);--radius-full: var(--r-pill);--shadow-card: var(--shadow-paper);--shadow-glow: 0 0 0 3px color-mix(in srgb, var(--pink) 30%, transparent);--nav-height: var(--header-h);--sidebar-width: 220px}html:root{--font-ui: "Geist", "Noto Sans", "Segoe UI", system-ui, -apple-system, "Noto Sans Mongolian", "FS Scripts", sans-serif;--font-reading: "Geist", system-ui, "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "PingFang SC", "Noto Sans SC", "Yu Gothic", "Noto Sans Mongolian", "FS Scripts", sans-serif;--font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, "FS Scripts", monospace;--font-sans: var(--font-ui);--font-jp: var(--font-reading)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;-webkit-tap-highlight-color:transparent;background-color:var(--paper);scroll-padding-top:calc(var(--header-h) + var(--sp-4))}body{margin:0;min-height:100dvh;background-color:var(--paper);color:var(--ink);font-family:var(--font-ui, 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var(--paper-2)}.fs-ground{background-color:var(--paper);background-image:var(--pat-grain);background-size:180px 180px}.fs-torn-wrap{position:relative;isolation:isolate;filter:drop-shadow(0 1px 1px rgba(30,26,58,.14)) drop-shadow(0 8px 12px rgba(30,26,58,.2))}html[data-theme=dark] .fs-torn-wrap{filter:drop-shadow(0 1px 1px rgba(0,0,0,.35)) drop-shadow(0 10px 14px rgba(0,0,0,.45))}.fs-torn-fibre,.fs-torn{-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:100% 100%;mask-size:100% 100%}.fs-torn-fibre{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:var(--fibre);background-image:var(--pat-fibre);-webkit-mask-image:var(--tear-outer);mask-image:var(--tear-outer)}.fs-torn{position:relative;-webkit-mask-image:var(--tear-inner);mask-image:var(--tear-inner)}.fs-torn.fs-paper{box-shadow:none}.fs-tear-b,.fs-tear-t{--tear-tile: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12' preserveAspectRatio='none'%3E%3Cpath d='M0 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scale(1.06)}}.fs-sticker-disc{display:inline-grid;place-items:center;width:var(--size, 56px);height:var(--size, 56px);border-radius:50%;background:var(--disc, var(--sun));color:var(--disc-ink, #1E1A3A);border:var(--bw) solid var(--outline)}.fs-tape{--tape: color-mix(in srgb, var(--sun) 70%, transparent);position:absolute;z-index:3;width:var(--tape-w, 92px);height:var(--tape-h, 26px);background-color:var(--tape);background-image:linear-gradient(180deg,#ffffff59,#fff0 40%,#0000000d);clip-path:polygon(0 6%,4% 0,2% 22%,5% 40%,1% 58%,5% 78%,2% 100%,97% 100%,100% 82%,96% 62%,99% 44%,95% 24%,99% 6%,96% 0);mix-blend-mode:multiply;pointer-events:none;transform:rotate(var(--tilt, -6deg))}html[data-theme=dark] .fs-tape{mix-blend-mode:normal;opacity:.85}.fs-tape--pink{--tape: color-mix(in srgb, var(--pink) 55%, transparent)}.fs-tape--blue{--tape: color-mix(in srgb, var(--blue) 45%, transparent)}.fs-tape--mint{--tape: color-mix(in srgb, var(--mint) 60%, transparent)}.fs-tape--violet{--tape: 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var(--btn-sh);font-family:var(--f-display);font-stretch:var(--display-stretch);font-weight:750;font-size:var(--fs-base);letter-spacing:-.005em;line-height:1;text-decoration:none;white-space:nowrap;cursor:pointer;user-select:none;-webkit-user-select:none;transition:transform var(--t-fast) var(--ease-out),box-shadow var(--t-fast) var(--ease-out),background-color var(--t-fast)}@media(hover:hover){.fs-btn:hover{transform:translateY(-1px);box-shadow:0 4px 0 var(--btn-sh)}}.fs-btn:active,.fs-btn.is-pressed{transform:translateY(3px);box-shadow:0 0 0 var(--btn-sh);transition-duration:60ms}.fs-btn:disabled,.fs-btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:0 3px 0 var(--btn-sh)}.fs-btn--pink{--btn-bg: var(--pink);--btn-fg: #fff}.fs-btn--sun{--btn-bg: var(--sun);--btn-fg: #1E1A3A}.fs-btn--blue{--btn-bg: var(--blue);--btn-fg: #fff}.fs-btn--mint{--btn-bg: var(--mint);--btn-fg: #1E1A3A}.fs-btn--ink{--btn-bg: var(--ink);--btn-fg: var(--paper)}.fs-btn--ghost{--btn-bg: 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var(--paper);--chip-bd: var(--ink)}.fs-chip--pink{--chip: var(--pink-tint);--chip-ink: var(--pink-deep);--chip-bd: transparent}.fs-chip--blue{--chip: var(--blue-tint);--chip-ink: var(--blue-deep);--chip-bd: transparent}.fs-chip--mint{--chip: var(--mint-tint);--chip-ink: var(--mint-deep);--chip-bd: transparent}.fs-chip--sun{--chip: var(--sun-tint);--chip-ink: var(--sun-deep);--chip-bd: transparent}.fs-chip--violet{--chip: var(--violet-tint);--chip-ink: var(--violet-deep);--chip-bd: transparent}.fs-field{display:grid;gap:6px}.fs-field>label,.fs-label{font-size:var(--fs-sm);font-weight:650;color:var(--ink-2)}.fs-input,.fs-select,.fs-textarea{width:100%;min-height:46px;padding:10px 14px;background:var(--card);color:var(--ink);border:var(--bw) solid var(--line-strong);border-radius:var(--r-sm);transition:border-color var(--t-fast),box-shadow 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