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ease,box-shadow .15s ease}.rich-note-block-image:hover,.rich-note-block-image.selected{background:var(--panel-2)}.rich-note-block-image.selected{outline:2px solid var(--accent);outline-offset:2px}.rich-note-block-image.moving{opacity:.7}.rich-note-image-frame{position:relative;display:inline-flex;flex:0 1 60%;max-width:60%;min-width:120px;cursor:grab;touch-action:none;transition:transform .05s linear}.rich-note-image-layout{display:flex;width:100%;align-items:flex-start;justify-content:flex-start;gap:18px}.rich-note-image-layout.ratio-60-40 .rich-note-image-frame{flex:0 1 60%;max-width:60%}.rich-note-image-layout.ratio-60-40 .rich-note-image-note{flex:0 1 40%}.rich-note-image-layout.ratio-70-30 .rich-note-image-frame{flex:0 1 70%;max-width:70%}.rich-note-image-layout.ratio-70-30 .rich-note-image-note{flex:0 1 30%}.rich-note-image-layout.full .rich-note-image-frame{flex:0 1 100%;max-width:100%}.rich-note-block-image.moving .rich-note-image-frame{cursor:grabbing;z-index:2;box-shadow:0 8px 24px #0000002e}.rich-note-block-image img{width:100%;max-width:100%;height:auto;border-radius:8px;border:1px solid var(--border);box-shadow:0 2px 8px #0000001a;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.rich-note-image-resize-handle{position:absolute;right:-6px;bottom:-6px;width:16px;height:16px;padding:0;border:2px solid var(--panel);border-radius:6px;background:var(--accent);box-shadow:0 1px 4px #0000004d;cursor:se-resize;opacity:0;transition:opacity .15s ease}.rich-note-block-image:hover .rich-note-image-resize-handle,.rich-note-block-image.selected .rich-note-image-resize-handle{opacity:1}.rich-note-image-note{min-width:220px;max-width:none;min-height:120px;flex:0 1 40%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font-size:15px;line-height:1.7;resize:vertical;box-shadow:0 1px 4px #0000000f}.rich-note-image-note:focus{border-color:var(--accent);outline:2px solid color-mix(in srgb,var(--accent) 18%,transparent)}.rich-note-image-note-btn{display:flex;align-items:center;gap:4px;padding:6px 12px;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--text);font-size:12px;cursor:pointer;transition:all .12s ease}.rich-note-image-note-btn:hover{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}.rich-note-image-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:8px}.rich-note-image-layout-btn{display:flex;align-items:center;gap:4px;padding:6px 12px;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--text);font-size:12px;cursor:pointer;transition:all .12s ease}.rich-note-image-layout-btn:hover,.rich-note-image-layout-btn.active{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent)}@media(max-width:820px){.rich-note-image-layout{flex-direction:column;align-items:center}.rich-note-image-note{width:100%;max-width:100%}}.rich-note-image-delete-btn{display:flex;align-items:center;gap:4px;padding:6px 12px;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--text);font-size:12px;cursor:pointer;transition:all .12s ease}.rich-note-image-delete-btn:hover{color:var(--danger);border-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent)}.rich-note-image-error{display:flex;align-items:center;justify-content:center;padding:20px;border:1px dashed var(--border);border-radius:8px;color:var(--muted);background:var(--panel);font-size:13px;width:100%;max-width:400px}.tabbed-rich-note-editor{display:flex;flex-direction:column;flex:1;min-height:0}.bottom-sheet-tabs{display:flex;align-items:center;gap:2px;padding:4px 8px;background:var(--panel);border-top:1px solid var(--border);border-bottom:1px solid 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.tab-delete-btn{opacity:1}.tab-delete-btn:hover{background:#ef444433;color:#ef4444}.tab-rename-input{width:80px;padding:1px 4px;border:1px solid var(--accent);border-radius:6px;background:var(--panel);color:var(--text);font-size:12px;outline:none}.tab-scroll-btn,.tab-add-btn{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--muted);cursor:pointer;flex-shrink:0;transition:all .15s ease}.tab-scroll-btn:hover,.tab-add-btn:hover{background:var(--panel-2);color:var(--text);border-color:var(--accent)}.tab-content{flex:1;min-height:0;display:flex;flex-direction:column}.editor-with-annotations{display:flex;flex:1;min-height:0;gap:0}.editor-with-annotations .tab-content{flex:1;min-width:0;overflow-y:auto}.side-panel{width:260px;min-width:220px;max-width:320px;border-left:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;flex-shrink:0}.side-panel-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:8px;border-bottom:1px solid var(--border)}.side-panel-tabs button{min-height:30px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--muted);font-size:12px}.side-panel-tabs button.active,.side-panel-tabs button:hover{border-color:var(--border);background:var(--panel-2);color:var(--text)}.annotation-panel{display:flex;min-height:0;flex-direction:column;flex:1}.annotation-panel.empty{opacity:.7}.annotation-panel-header{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid var(--border);font-size:12px;font-weight:600;color:var(--text)}.annotation-count{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--accent);color:var(--accent-text);font-size:10px;font-weight:600}.annotation-empty-hint{padding:16px 12px;color:var(--muted);font-size:12px;line-height:1.5}.annotation-list{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:6px}.exam-prompt-panel{display:flex;flex:1;min-height:0;flex-direction:column;gap:10px;padding:12px;overflow-y:auto}.exam-prompt-header{display:grid;gap:3px}.exam-prompt-header span,.exam-prompt-summary span{color:var(--text);font-size:13px;font-weight:700}.exam-prompt-header small,.exam-prompt-summary small,.exam-copy-status{color:var(--muted);font-size:12px;line-height:1.45}.exam-template-list{display:grid;gap:6px}.exam-template-btn,.exam-copy-btn{display:flex;align-items:center;justify-content:center;gap:6px;min-height:32px;border:1px solid var(--border);border-radius:6px;background:var(--panel-2);color:var(--text);font-size:12px}.exam-template-btn.active{border-color:var(--accent);color:var(--accent-text);background:var(--accent)}.exam-prompt-summary,.exam-privacy-warning{display:grid;gap:4px;padding:10px;border:1px solid var(--border);border-radius:6px;background:var(--panel-2)}.exam-privacy-warning{grid-template-columns:auto 1fr;color:var(--danger)}.exam-privacy-warning div{display:grid;gap:4px}.exam-privacy-warning strong,.exam-privacy-warning span{font-size:12px;line-height:1.45}.exam-copy-btn{border-color:var(--accent);color:var(--accent-text);background:var(--accent)}.exam-copy-status.copied{color:#669b25}.exam-copy-status.failed{color:var(--danger)}.annotation-card{display:flex;gap:8px;padding:8px;border:1px solid var(--border);border-radius:6px;background:var(--panel-2);cursor:pointer;text-align:left;transition:all .15s ease}.annotation-card:hover{border-color:var(--accent);background:var(--panel)}.annotation-card.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.annotation-card-preview{width:40px;height:40px;border-radius:4px;overflow:hidden;flex-shrink:0}.annotation-thumb{width:100%;height:100%;object-fit:cover}.annotation-card-text{flex:1;min-width:0;display:flex;align-items:center}.annotation-content{font-size:12px;color:var(--text);line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.rich-note-block-image.highlighted{animation:annotation-highlight 1.5s ease-out;outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}@keyframes annotation-highlight{0%{outline-color:var(--accent);outline-offset:2px}to{outline-color:transparent;outline-offset:8px}}