.confirm-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:8000;background:#00000073;display:flex;align-items:center;justify-content:center;padding:24px;animation:confirm-backdrop-in .15s ease-out}@keyframes confirm-backdrop-in{0%{opacity:0}to{opacity:1}}.confirm-dialog{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;box-shadow:0 8px 32px #0000002e;width:100%;max-width:420px;padding:28px 28px 24px;outline:none;animation:confirm-dialog-in .18s cubic-bezier(.16,1,.3,1)}@keyframes confirm-dialog-in{0%{opacity:0;transform:scale(.96) translateY(-6px)}to{opacity:1;transform:scale(1) translateY(0)}}.confirm-title{font-size:16px;font-weight:700;color:var(--color-text);margin-bottom:8px}.confirm-title--danger{color:var(--color-danger)}.confirm-message{font-size:14px;color:var(--color-muted);line-height:1.55;margin-bottom:24px}.confirm-actions{display:flex;justify-content:flex-end;gap:10px}.toast-stack{position:fixed;bottom:24px;right:24px;z-index:9000;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;min-width:260px;max-width:400px;padding:11px 14px;border-radius:var(--radius, 6px);border:1px solid transparent;box-shadow:0 4px 14px #0000001f;font-size:14px;line-height:1.4;animation:toast-in .2s ease-out}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.toast--success{background:#f0fdf4;border-color:#86efac;color:#166534}.toast--error{background:#fef2f2;border-color:#fca5a5;color:#991b1b}.toast-icon{flex-shrink:0;font-size:15px;font-weight:700;line-height:1}.toast-message{flex:1;word-break:break-word}.toast-dismiss{flex-shrink:0;background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;color:inherit;opacity:.55;padding:0 2px;transition:opacity .12s}.toast-dismiss:hover{opacity:1}.ap-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:8100;background:#00000080;display:flex;align-items:center;justify-content:center;padding:24px;animation:ap-backdrop-in .15s ease-out}@keyframes ap-backdrop-in{0%{opacity:0}to{opacity:1}}.ap-dialog{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;box-shadow:0 8px 32px #0000002e;width:100%;max-width:680px;max-height:80vh;display:flex;flex-direction:column;outline:none;animation:ap-dialog-in .18s cubic-bezier(.16,1,.3,1)}@keyframes ap-dialog-in{0%{opacity:0;transform:scale(.96) translateY(-6px)}to{opacity:1;transform:scale(1) translateY(0)}}.ap-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 0}.ap-title{font-size:15px;font-weight:700;color:var(--color-text)}.ap-close{background:none;border:none;font-size:20px;line-height:1;color:var(--color-muted);cursor:pointer;padding:2px 6px;border-radius:var(--radius);transition:background .12s}.ap-close:hover{background:var(--color-bg);color:var(--color-text)}.ap-tabs{display:flex;gap:2px;padding:12px 20px 0;border-bottom:1px solid var(--color-border)}.ap-tab{background:none;border:none;border-bottom:2px solid transparent;padding:8px 14px;margin-bottom:-1px;font-size:13px;font-weight:600;color:var(--color-muted);cursor:pointer;border-radius:var(--radius) var(--radius) 0 0;transition:color .12s,border-color .12s}.ap-tab:hover{color:var(--color-text)}.ap-tab--active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.ap-panel{flex:1;overflow:auto;padding:20px}.ap-upload{display:flex;flex-direction:column;gap:16px}.ap-field{display:flex;flex-direction:column;gap:5px}.ap-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--color-muted)}.ap-file-input{font-size:13px;color:var(--color-text);padding:6px 0}.ap-text-input{padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:13px;background:var(--color-surface);color:var(--color-text);outline:none;transition:border-color .15s,box-shadow .15s;font-family:Menlo,Monaco,Consolas,monospace}.ap-text-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f626}.ap-hint{font-size:11px;color:var(--color-muted)}.ap-error{font-size:13px;color:var(--color-danger);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:8px 12px}.ap-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:8px}.ap-pick{display:flex;flex-direction:column;gap:12px}.ap-pick-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.ap-pick-prefix{font-size:12px;color:var(--color-muted)}.ap-pick-prefix code{font-family:Menlo,Monaco,Consolas,monospace;font-size:11px;background:var(--color-bg);padding:1px 5px;border-radius:3px}.ap-pick-refresh{padding:5px 12px;font-size:12px}.ap-empty{font-size:13px;color:var(--color-muted);text-align:center;padding:32px 0}.ap-empty code{font-family:Menlo,Monaco,Consolas,monospace;font-size:12px}.ap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}.ap-asset-card{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;padding:10px 8px 8px;cursor:pointer;transition:border-color .12s,background .12s,box-shadow .12s;text-align:center;min-height:110px}.ap-asset-card:hover{border-color:var(--color-primary);background:#eff6ff;box-shadow:0 0 0 2px #3b82f626}.ap-asset-thumb{width:80px;height:60px;object-fit:contain;border-radius:4px}.ap-asset-icon{width:80px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px}.ap-asset-ext{font-size:11px;font-weight:700;color:var(--color-primary);background:#eff6ff;border:1px solid #bfdbfe;border-radius:4px;padding:3px 7px;letter-spacing:.04em}.ap-asset-name{font-size:11px;font-weight:500;color:var(--color-text);word-break:break-all;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:100%}.ap-asset-meta{font-size:10px;color:var(--color-muted)}.be-root{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);overflow:hidden}.be-toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--color-border);background:var(--color-surface);gap:12px}.be-beat-count{font-size:12px;font-weight:500;color:var(--color-muted)}.be-beat-count-errors{color:var(--color-danger);font-weight:700}.be-raw-label{font-size:12px;font-weight:500;color:var(--color-muted)}.be-mode-toggle{display:flex;border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;flex-shrink:0}.be-toggle-btn{padding:4px 12px;font-size:11px;font-weight:600;background:var(--color-surface);color:var(--color-muted);border:none;cursor:pointer;transition:background .12s,color .12s}.be-toggle-btn+.be-toggle-btn{border-left:1px solid var(--color-border)}.be-toggle-btn:hover:not(.be-toggle-btn--active){background:var(--color-bg);color:var(--color-text)}.be-toggle-btn--active{background:var(--color-primary);color:#fff;cursor:default}.be-visual{padding:12px;display:flex;flex-direction:column;gap:8px}.be-empty{text-align:center;color:var(--color-muted);font-size:12px;padding:16px 0}.be-legacy-notice{background:#fef9c3;border:1px solid #fcd34d;border-radius:var(--radius);padding:8px 12px;font-size:12px;color:#92400e}.be-beat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;overflow:hidden}.be-beat-card--error{border-color:var(--color-danger)}.be-beat-card-header{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--color-bg);border-bottom:1px solid var(--color-border)}.be-beat-summary{flex:1;display:flex;align-items:center;gap:8px;background:none;border:none;cursor:pointer;text-align:left;padding:0;min-width:0}.be-kind-badge{display:inline-block;font-size:10px;font-weight:700;padding:2px 8px;border-radius:10px;white-space:nowrap;flex-shrink:0;text-transform:uppercase;letter-spacing:.04em}.be-beat-summary-text{font-size:12px;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.be-beat-chevron{font-size:9px;color:var(--color-muted);flex-shrink:0}.be-beat-error{font-size:11px;color:var(--color-danger);background:#fef2f2;padding:4px 10px;border-bottom:1px solid #fecaca}.be-beat-body{padding:12px}.be-beat-fields{display:flex;flex-direction:column;gap:10px}.be-field{display:flex;flex-direction:column;gap:4px}.be-label{font-size:11px;font-weight:600;color:var(--color-muted);text-transform:uppercase;letter-spacing:.04em}.be-required{color:var(--color-danger)}.be-input,.be-select,.be-textarea{width:100%;padding:7px 9px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:13px;background:var(--color-surface);color:var(--color-text);outline:none;font-family:inherit;transition:border-color .12s,box-shadow .12s;box-sizing:border-box}.be-input:focus,.be-select:focus,.be-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61f}.be-textarea{resize:vertical;min-height:60px}.be-row{display:flex;gap:12px}.be-field--narrow{max-width:100px}.be-asset-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.be-asset-url{font-size:12px;font-family:monospace;background:#f1f5f9;border:1px solid var(--color-border);border-radius:4px;padding:3px 8px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--color-text);flex:1}.be-asset-empty{font-size:12px;color:var(--color-muted);font-style:italic;flex:1}.be-asset-clear{background:none;border:1px solid var(--color-border);border-radius:4px;width:22px;height:22px;font-size:14px;cursor:pointer;color:var(--color-muted);display:flex;align-items:center;justify-content:center;padding:0;transition:background .1s,color .1s;flex-shrink:0}.be-asset-clear:hover{background:#fee2e2;color:var(--color-danger);border-color:#fca5a5}.be-asset-pick{font-size:11px!important;padding:4px 10px!important;flex-shrink:0}.be-choices-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.be-check-info{font-size:11px;color:var(--color-muted);font-style:italic}.be-choices-list{display:flex;flex-direction:column;gap:6px}.be-choice-row{display:flex;align-items:center;gap:8px}.be-choice-radio{flex-shrink:0;width:15px;height:15px;accent-color:var(--color-primary);cursor:pointer}.be-choice-input{flex:1}.be-choice-correct-badge{font-size:10px;font-weight:700;background:#dcfce7;color:#166534;border-radius:10px;padding:2px 8px;white-space:nowrap;flex-shrink:0}.be-add-choice{background:none;border:1px dashed var(--color-border);border-radius:var(--radius);padding:5px 12px;font-size:12px;color:var(--color-muted);cursor:pointer;margin-top:4px;transition:background .1s,color .1s}.be-add-choice:hover{background:var(--color-bg);color:var(--color-text)}.be-check-note{font-size:11px;color:var(--color-muted);font-style:italic;margin:4px 0 0}.be-add-beat-row{display:flex;align-items:center;gap:8px;padding:6px 4px}.be-add-label{font-size:11px;font-weight:600;color:var(--color-muted);text-transform:uppercase;letter-spacing:.04em}.be-add-kind-btn{padding:4px 12px;font-size:11px;font-weight:700;border:none;border-radius:10px;cursor:pointer;transition:opacity .12s}.be-add-kind-btn:hover{opacity:.8}.be-add-kind-btn--say{background:#e0f2fe;color:#0369a1}.be-add-kind-btn--show{background:#ede9fe;color:#6d28d9}.be-add-kind-btn--check{background:#fef9c3;color:#92400e}.be-raw{padding:12px;display:flex;flex-direction:column;gap:6px}.be-raw-error{font-size:12px;color:var(--color-danger);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:6px 10px}.be-raw-hint{font-size:12px;color:var(--color-success, #16a34a);font-weight:500}.be-raw-textarea{font-family:monospace;font-size:12px}.content-page{display:flex;flex-direction:row;height:calc(100vh - var(--topbar-h));margin:-32px -36px;overflow:hidden}.content-panel{width:240px;min-width:200px;max-width:280px;border-right:1px solid var(--color-border);background:var(--color-surface);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}.content-panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--color-border);background:var(--color-surface);position:sticky;top:0;z-index:1}.content-panel-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-muted)}.content-main{flex:1;overflow-y:auto;background:var(--color-bg);padding:24px 28px}.entity-list{list-style:none;padding:6px 0;margin:0}.entity-item{display:flex;align-items:flex-start;gap:6px;padding:8px 14px;cursor:pointer;border-left:3px solid transparent;transition:background .1s,border-color .1s;-webkit-user-select:none;user-select:none}.entity-item:hover{background:var(--color-bg)}.entity-item.selected{background:#eff6ff;border-left-color:var(--color-primary)}.entity-item-content{flex:1;min-width:0}.entity-item-title{font-size:13px;font-weight:500;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4}.entity-item-meta{display:flex;gap:4px;margin-top:3px;flex-wrap:wrap}.entity-reorder{display:flex;flex-direction:column;gap:1px;flex-shrink:0}.entity-reorder button{background:none;border:1px solid var(--color-border);border-radius:3px;width:20px;height:18px;font-size:10px;cursor:pointer;color:var(--color-muted);display:flex;align-items:center;justify-content:center;padding:0;line-height:1;transition:background .1s,color .1s}.entity-reorder button:hover:not(:disabled){background:var(--color-bg);color:var(--color-text)}.entity-reorder button:disabled{opacity:.3;cursor:not-allowed}.entity-delete-btn{background:none;border:1px solid transparent;border-radius:3px;width:20px;height:18px;font-size:14px;line-height:1;cursor:pointer;color:var(--color-muted);display:flex;align-items:center;justify-content:center;padding:0;transition:background .1s,color .1s,border-color .1s;flex-shrink:0}.entity-delete-btn:hover:not(:disabled){background:#fee2e2;color:var(--color-danger);border-color:#fca5a5}.entity-delete-btn:disabled{opacity:.3;cursor:not-allowed}.entity-badge{display:inline-block;font-size:10px;font-weight:600;padding:1px 6px;border-radius:10px;line-height:1.6;white-space:nowrap}.entity-badge--active{background:#dcfce7;color:#166534}.entity-badge--inactive{background:#fee2e2;color:#991b1b}.entity-badge--type{background:#e0e7ff;color:#3730a3}.entity-badge--band{background:#fef9c3;color:#713f12}.btn-new{display:flex;align-items:center;gap:4px;padding:5px 10px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius);font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .12s}.btn-new:hover{background:var(--color-primary-h)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;transition:background .12s,opacity .12s;border:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-h)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.editor-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:24px;max-width:900px}.editor-form-title{font-size:16px;font-weight:700;color:var(--color-text);margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--color-border)}.form-row{display:flex;gap:16px;margin-bottom:14px;align-items:flex-start}.form-field{display:flex;flex-direction:column;gap:5px;flex:1}.form-label{font-size:12px;font-weight:600;color:var(--color-muted);text-transform:uppercase;letter-spacing:.04em}.form-input,.form-select,.form-textarea{width:100%;padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:13px;background:var(--color-surface);color:var(--color-text);outline:none;transition:border-color .12s,box-shadow .12s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61f}.form-input.error,.form-textarea.error{border-color:var(--color-danger)}.form-textarea{resize:vertical;min-height:80px;font-family:inherit}.form-checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:14px}.form-checkbox-row input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--color-primary)}.form-checkbox-row label{font-size:13px;font-weight:500;cursor:pointer}.form-error{font-size:12px;color:var(--color-danger);margin-top:2px}.form-beat-info{display:block;font-size:12px;color:var(--color-success);margin-top:4px;font-weight:500}.bilingual-section{margin-top:20px;border-top:1px solid var(--color-border);padding-top:16px}.bilingual-section-title{font-size:12px;font-weight:700;color:var(--color-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}.bilingual-row{display:flex;gap:16px;margin-bottom:14px}.locale-col{flex:1;display:flex;flex-direction:column;gap:5px}.locale-header{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-muted);padding:4px 0;border-bottom:1px solid var(--color-border);margin-bottom:6px}.editor-actions{display:flex;align-items:center;gap:10px;margin-top:24px;padding-top:16px;border-top:1px solid var(--color-border)}.editor-actions-error{flex:1;font-size:13px;color:var(--color-danger);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:7px 12px}.questions-section{margin-top:20px}.questions-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.questions-section-title{font-size:14px;font-weight:700;color:var(--color-text)}.question-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;padding:12px 14px;margin-bottom:8px;cursor:pointer;transition:border-color .1s,background .1s}.question-card:hover,.question-card.selected{border-color:var(--color-primary);background:#eff6ff}.question-card-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.question-card-text{font-size:13px;font-weight:500;color:var(--color-text);flex:1}.question-card-badges{display:flex;gap:4px;flex-shrink:0}.quiz-options-grid{display:flex;flex-direction:column;gap:8px}.quiz-option-row{display:flex;align-items:center;gap:10px}.quiz-option-radio{flex-shrink:0;width:16px;height:16px;accent-color:var(--color-primary);cursor:pointer}.quiz-option-label{font-size:12px;font-weight:600;color:var(--color-muted);min-width:60px}.quiz-option-input{flex:1}.preview-container{margin-top:24px}.preview-container-title{font-size:14px;font-weight:700;color:var(--color-text);margin-bottom:14px}.preview-pair{display:flex;gap:16px;margin-bottom:20px;border-bottom:1px solid var(--color-border);padding-bottom:20px}.preview-pair:last-child{border-bottom:none;padding-bottom:0}.preview-pane{flex:1;border-radius:8px;padding:16px;font-size:13px}.preview-admin{background:#f0f9ff;border:1px solid #bae6fd}.preview-player{background:#f9fafb;border:1px solid var(--color-border)}.preview-pane-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}.preview-admin .preview-pane-label{color:#0369a1}.preview-player .preview-pane-label{color:var(--color-muted)}.preview-question{font-weight:600;color:var(--color-text);margin-bottom:10px;line-height:1.4}.preview-options{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.preview-option{padding:7px 10px;border-radius:6px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);display:flex;align-items:center;gap:8px;font-size:12px}.preview-option--correct{border-color:#16a34a;background:#f0fdf4;color:#14532d;font-weight:600}.preview-correct-mark{font-size:14px;flex-shrink:0}.preview-explanation{margin-top:10px;font-size:12px;color:#0369a1;background:#e0f2fe;border-radius:4px;padding:6px 10px;line-height:1.4}.preview-hint{margin-top:10px;font-size:12px;color:#78716c;font-style:italic;line-height:1.4}.quiz-limit-note{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;color:#92400e;background:#fef3c7;border:1px solid #fcd34d;border-radius:10px;padding:3px 10px;white-space:nowrap;cursor:default}.quiz-rules-banner{display:flex;align-items:flex-start;gap:8px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:var(--radius);padding:10px 14px;margin-bottom:18px;font-size:12px;color:#1e40af;line-height:1.5}.quiz-rules-icon{font-size:15px;flex-shrink:0;line-height:1.5;color:#3b82f6}.content-empty{padding:40px 28px;text-align:center;color:var(--color-muted);font-size:13px}.content-loading{padding:32px 28px;color:var(--color-muted);font-size:13px}.content-error{padding:16px;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);color:var(--color-danger);font-size:13px;margin:12px}.lesson-detail-header{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:16px 20px;margin-bottom:20px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.lesson-detail-info h3{font-size:15px;font-weight:700;color:var(--color-text);margin-bottom:4px}.lesson-detail-meta{display:flex;gap:6px;flex-wrap:wrap}.lesson-detail-actions{display:flex;gap:8px;flex-shrink:0}.nar-page{max-width:900px}.nar-page h2{font-size:22px;font-weight:700;margin-bottom:4px;color:var(--color-text)}.nar-page-subtitle{color:var(--color-muted);font-size:13px;margin-bottom:28px}.nar-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:24px 28px;margin-bottom:24px}.nar-card h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--color-text)}.nar-form-row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:14px;align-items:flex-start}.nar-field{display:flex;flex-direction:column;gap:5px;min-width:160px;flex:1}.nar-field label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--color-muted)}.nar-select,.nar-input,.nar-textarea{padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px;background:var(--color-surface);color:var(--color-text);outline:none;transition:border-color .15s,box-shadow .15s}.nar-select:focus,.nar-input:focus,.nar-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f626}.nar-select:disabled,.nar-input:disabled,.nar-textarea:disabled{opacity:.55;cursor:not-allowed}.nar-textarea{resize:vertical;min-height:80px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px}.nar-btn{padding:9px 18px;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s;white-space:nowrap}.nar-btn--primary{background:var(--color-primary);color:#fff}.nar-btn--primary:hover:not(:disabled){background:var(--color-primary-h)}.nar-btn--secondary{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border)}.nar-btn--secondary:hover:not(:disabled){background:var(--color-border)}.nar-btn:disabled{opacity:.5;cursor:not-allowed}.nar-btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}.nar-error{font-size:13px;color:var(--color-danger);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:8px 12px;margin-top:10px}.nar-status{font-size:13px;color:#065f46;background:#ecfdf5;border:1px solid #6ee7b7;border-radius:var(--radius);padding:8px 12px;margin-top:10px}.nar-progress{font-size:13px;color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe;border-radius:var(--radius);padding:8px 12px;margin-top:10px}.qa-player{display:flex;flex-direction:column;gap:20px}.qa-renderer-toggle{display:flex;gap:6px;margin-bottom:14px}.qa-renderer-btn{padding:6px 14px;font-size:13px;font-weight:600;border:1px solid var(--color-border, #d8d8e0);border-radius:6px;background:#fff;color:var(--color-muted, #555);cursor:pointer}.qa-renderer-btn:hover{border-color:var(--color-primary, #3b5bdb)}.qa-renderer-btn--active{background:var(--color-primary, #3b5bdb);border-color:var(--color-primary, #3b5bdb);color:#fff}.qa-face-row{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.qa-rabbit-face{flex-shrink:0;filter:drop-shadow(0 2px 6px rgba(0,0,0,.12))}.qa-hud{display:flex;flex-direction:column;gap:6px}.qa-hud-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-muted)}.qa-viseme-badge{display:inline-flex;align-items:center;gap:8px;background:#1e1b4b;color:#c7d2fe;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.02em}.qa-viseme-id{font-size:20px;font-weight:800;color:#fff}.qa-viseme-name{color:#a5b4fc;font-size:12px}.qa-audio{width:100%;border-radius:var(--radius)}.qa-karaoke{background:#f8f7f6;border:1px solid var(--color-border);border-radius:var(--radius);padding:14px 18px;font-size:15px;line-height:1.8;min-height:52px;color:var(--color-text)}.qa-karaoke--empty{color:var(--color-muted);font-style:italic;font-size:13px}.qa-word{display:inline;border-radius:3px;padding:1px 2px;transition:background .06s,color .06s;cursor:default}.qa-word--active{background:#fef08a;color:#78350f;font-weight:600}.qa-no-timings{color:var(--color-text);font-size:14px;line-height:1.7}.nar-card-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.nar-card-header-row h3{margin-bottom:0}.vt-root{display:flex;flex-direction:column;gap:12px}.vt-preview-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-bottom:10px;border-bottom:1px solid var(--color-border)}.vt-mini-face{flex-shrink:0;filter:drop-shadow(0 1px 3px rgba(0,0,0,.1))}.vt-preview-meta{display:flex;flex-direction:column;gap:4px}.vt-preview-badge{display:inline-flex;align-items:center;gap:8px;border-radius:6px;padding:5px 12px;font-weight:700;color:#fff}.vt-preview-shape{font-size:18px;font-weight:800}.vt-preview-label{font-size:12px;opacity:.85}.vt-preview-time{font-size:12px;color:var(--color-muted);font-variant-numeric:tabular-nums}.vt-preview-cues{font-size:12px;color:var(--color-muted)}.vt-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-left:auto}.vt-tool-btn{padding:6px 12px;font-size:12px;font-weight:600;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);cursor:pointer;transition:background .12s,border-color .12s;white-space:nowrap}.vt-tool-btn:hover:not(:disabled){background:var(--color-bg);border-color:var(--color-primary)}.vt-tool-btn:disabled{opacity:.4;cursor:not-allowed}.vt-tool-btn--danger:hover:not(:disabled){border-color:var(--color-danger);color:var(--color-danger)}.vt-ruler{position:relative;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none}.vt-ticks{position:relative;height:20px;border-bottom:1px solid var(--color-border);overflow:hidden}.vt-tick{position:absolute;top:0;bottom:0;width:1px;background:var(--color-border);display:flex;flex-direction:column;justify-content:flex-end}.vt-tick-label{position:absolute;bottom:2px;left:3px;font-size:10px;color:var(--color-muted);white-space:nowrap;pointer-events:none}.vt-track{position:relative;height:56px}.vt-cue{position:absolute;top:8px;height:40px;border-radius:3px;border:1px solid rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:visible;transition:box-shadow .1s,border-color .1s;min-width:2px}.vt-cue:hover{box-shadow:0 0 0 2px #ffffff80 inset}.vt-cue--selected{box-shadow:0 0 0 2px #fff inset,0 0 0 3px var(--color-primary)}.vt-cue--error{border-color:var(--color-danger)!important;box-shadow:0 0 0 2px #fee2e2 inset}.vt-cue-label{font-size:11px;font-weight:800;color:#fffffff2;text-shadow:0 1px 2px rgba(0,0,0,.3);pointer-events:none;letter-spacing:.02em}.vt-shape-select{position:absolute;z-index:20;top:0;left:0;padding:2px 4px;font-size:12px;background:var(--color-surface);border:1px solid var(--color-primary);border-radius:3px;color:var(--color-text);box-shadow:0 2px 8px #00000026;min-width:140px}.vt-handle{position:absolute;top:0;bottom:0;width:7px;cursor:ew-resize;z-index:5}.vt-handle--start{left:-3px;border-radius:3px 0 0 3px}.vt-handle--end{right:-3px;border-radius:0 3px 3px 0}.vt-handle:after{content:"";position:absolute;top:8px;bottom:8px;left:50%;transform:translate(-50%);width:2px;background:#fff9;border-radius:1px}.vt-playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--color-danger);z-index:10;pointer-events:none;box-shadow:0 0 4px #dc262680}.vt-playhead:before{content:"";position:absolute;top:-4px;left:50%;transform:translate(-50%);width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid var(--color-danger)}.vt-detail-panel{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 14px;background:#f0f4ff;border:1px solid #c7d2fe;border-radius:var(--radius);font-size:13px;color:var(--color-text)}.vt-detail-title{font-weight:700;color:#3730a3;min-width:52px}.vt-inline-select{padding:2px 6px;font-size:12px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);margin-left:4px}.vt-save-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px}.vt-save-invalid-hint{font-size:13px;color:var(--color-muted);font-style:italic}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #f5f5f4;--color-surface: #ffffff;--color-border: #e2e2e0;--color-text: #1c1917;--color-muted: #78716c;--color-primary: #3b82f6;--color-primary-h: #2563eb;--color-danger: #dc2626;--color-success: #2d8a4e;--color-nav-bg: #1e1b4b;--color-nav-text: #c7d2fe;--color-nav-active:#ffffff;--color-nav-active-bg: #3730a3;--topbar-h: 52px;--sidebar-w: 200px;--radius: 6px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.5;color:var(--color-text);background:var(--color-bg)}body{min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.shell{display:flex;flex-direction:column;min-height:100vh}.topbar{position:fixed;top:0;left:0;right:0;height:var(--topbar-h);background:var(--color-nav-bg);color:#fff;display:flex;align-items:center;padding:0 20px;gap:16px;z-index:100;border-bottom:1px solid #312e81}.topbar-brand{font-weight:600;font-size:15px;letter-spacing:.01em;flex:1}.topbar-signout{background:transparent;border:1px solid rgba(255,255,255,.25);color:#ffffffd9;padding:5px 14px;border-radius:var(--radius);cursor:pointer;font-size:13px;transition:background .15s,color .15s}.topbar-signout:hover{background:#ffffff1f;color:#fff}.shell-body{display:flex;flex:1;padding-top:var(--topbar-h);min-height:100vh}.sidebar{position:fixed;top:var(--topbar-h);left:0;bottom:0;width:var(--sidebar-w);background:var(--color-nav-bg);display:flex;flex-direction:column;padding:16px 0;gap:2px;overflow-y:auto}.nav-link{display:block;padding:9px 20px;color:var(--color-nav-text);text-decoration:none;font-size:14px;font-weight:500;border-radius:0;transition:background .12s,color .12s;border-left:3px solid transparent}.nav-link:hover{background:#ffffff12;color:#fff}.nav-link--active{background:var(--color-nav-active-bg);color:var(--color-nav-active);border-left-color:var(--color-primary)}.main-content{flex:1;margin-left:var(--sidebar-w);padding:32px 36px;max-width:1100px}.placeholder{padding:48px 0}.placeholder h2{font-size:22px;font-weight:600;margin-bottom:10px;color:var(--color-text)}.placeholder-note{color:var(--color-muted);font-size:14px}.login-backdrop{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg);padding:24px}.login-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:40px 44px;width:100%;max-width:420px;box-shadow:0 2px 12px #0000000f}.login-title{font-size:22px;font-weight:700;color:var(--color-text);margin-bottom:2px}.login-subtitle{font-size:14px;color:var(--color-muted);margin-bottom:16px}.login-operator-note{background:#fef9c3;border:1px solid #fde047;border-radius:var(--radius);padding:8px 12px;font-size:12px;color:#713f12;margin-bottom:28px}.login-form{display:flex;flex-direction:column;gap:12px}.login-label{font-size:13px;font-weight:500;color:var(--color-text)}.login-input{width:100%;padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s;background:var(--color-surface);color:var(--color-text)}.login-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f626}.login-input:disabled{opacity:.6;cursor:not-allowed}.login-error{font-size:13px;color:var(--color-danger);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:8px 12px}.login-btn{padding:10px 16px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s;margin-top:4px}.login-btn:hover:not(:disabled){background:var(--color-primary-h)}.login-btn:disabled{opacity:.55;cursor:not-allowed}.login-api-url{margin-top:20px;font-size:11px;color:var(--color-muted);word-break:break-all}