:root{--bg: #f2f3f7;--panel: #ffffff;--border: #e0e2ea;--text: #1d1f27;--muted: #6b7280;--accent: #3b6fb8;--accent-2: #e8f0fa;--danger: #dc2626}[data-theme=dark]{--bg: #12141c;--panel: #1a1d28;--border: #2a2e3d;--text: #e6e8f0;--muted: #9aa1b5;--accent: #7aa5dd;--accent-2: #232a40}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);display:flex;flex-direction:column;overflow:hidden}#topbar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap}.brand{font-weight:700;letter-spacing:.4px;margin-right:4px}.brand .tag{color:var(--accent);font-weight:500;font-size:.8em}.sep{width:1px;height:24px;background:var(--border);margin:0 6px}button{border:1px solid var(--border);background:var(--panel);color:var(--text);padding:6px 10px;border-radius:8px;cursor:pointer;font-size:13px}button:hover{border-color:var(--accent)}button.active{background:var(--accent-2);border-color:var(--accent);color:var(--accent)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{filter:brightness(1.08)}button.tool-toggle.active{background:var(--accent);color:#fff}.tabs{display:flex;gap:2px;background:var(--accent-2);border-radius:9px;padding:3px}.tab{border:none;background:transparent;color:var(--muted);padding:6px 12px}.tab.active{background:var(--panel);color:var(--accent);box-shadow:0 1px 4px #0000001f}.toolbar{display:flex;gap:4px}.menu-wrap{position:relative}.dropdown{position:absolute;top:110%;left:0;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 6px 20px #0000002e;display:flex;flex-direction:column;min-width:210px;padding:4px;z-index:50}.dropdown button{border:none;background:none;text-align:left;padding:8px 10px;border-radius:7px;font-size:13.5px}.dropdown button:hover{background:var(--accent-2)}.zoom{display:flex;gap:4px;align-items:center}.zoom input{width:62px;padding:5px 6px;border-radius:7px;border:1px solid var(--border);background:var(--bg);color:var(--text);text-align:right}.pct{font-size:12px;color:var(--muted)}#app{display:flex;flex:1;min-height:0}#sidebar{width:220px;min-width:220px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}.sidebar-search{padding:10px;border-bottom:1px solid var(--border)}.sidebar-search input{width:100%;padding:7px 9px;border-radius:7px;border:1px solid var(--border);background:var(--bg);color:var(--text)}#search-results{font-size:12px;color:var(--muted);margin-top:6px;max-height:120px;overflow-y:auto}#search-results .hit{cursor:pointer;padding:2px 4px;border-radius:4px}#search-results .hit:hover{background:var(--accent-2)}.thumbs{padding:10px;display:flex;flex-direction:column;gap:8px}.thumb{cursor:pointer;border:2px solid transparent;border-radius:6px;position:relative}.thumb.active{border-color:var(--accent)}.thumb canvas{width:100%;height:auto;border-radius:4px;background:#fff;display:block}.thumb .num{position:absolute;top:3px;right:4px;font-size:10px;background:#00000080;color:#fff;padding:1px 5px;border-radius:8px}.annot-panel{padding:10px;border-top:1px solid var(--border)}.annot-panel h4{margin:0 0 6px;font-size:13px}.annot-panel li{font-size:12px;padding:4px 2px;display:flex;justify-content:space-between;gap:6px;align-items:center}.annot-panel .del{font-size:11px;color:var(--danger);border:none;background:none;padding:0 4px}#stage{flex:1;overflow:auto;position:relative}#canvas-wrap{position:relative;min-height:100%;padding:24px;display:flex;justify-content:center;align-items:flex-start}#pageholder{max-width:100%}#page-canvas{display:block;background:#fff;box-shadow:0 2px 14px #00000024}#overlay{position:absolute;inset:0;pointer-events:none}#overlay>*{pointer-events:auto}#empty-state{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--muted)}#empty-state p{margin:0;text-align:center}#empty-state .tiny{font-size:12px;max-width:520px}#statusbar{display:flex;justify-content:space-between;padding:6px 14px;font-size:12px;color:var(--muted);border-top:1px solid var(--border);background:var(--panel)}.hidden{display:none!important}#cmp-wrap{display:flex;gap:16px;padding:24px;align-items:flex-start}.cmp-side{flex:1;min-width:0}.cmp-side canvas{max-width:100%;box-shadow:0 2px 14px #00000024;background:#fff}.sel-box{position:absolute;outline:2px solid #4a7fd6;background:#4a7fd612;touch-action:none}.handle{position:absolute;width:10px;height:10px;background:#fff;border:2px solid #4a7fd6;border-radius:50%;margin:-5px}.hand-move{cursor:move}.sel-toolbar{position:absolute;background:#fff;border:1px solid var(--border);border-radius:9px;box-shadow:0 4px 14px #0003;display:flex;gap:2px;padding:3px;z-index:30}.sel-toolbar button{font-size:12px;padding:4px 8px;border:none;background:none}.sel-toolbar button:hover{background:var(--accent-2)}.sel-toolbar button.on{color:var(--accent)}.img-hint{position:absolute;border:1.5px dashed rgba(74,127,214,.85);cursor:move;background:#4a7fd60a}.editable{position:absolute;outline:2px solid var(--accent);outline-offset:2px;background:#ffffffd9;white-space:pre-wrap;overflow:hidden;cursor:text}.editable:focus{outline-color:#f59e0b}.block-hint{position:absolute;border:1.5px dashed var(--accent);border-radius:3px;cursor:pointer;opacity:.3}.block-hint:hover{opacity:.95}.editable-bar{position:absolute;background:var(--accent);color:#fff;font-size:12px;padding:4px 10px;border-radius:6px;cursor:pointer;white-space:nowrap;box-shadow:0 2px 8px #00000040}#modal{position:fixed;inset:0;background:#0a0c1473;display:flex;align-items:center;justify-content:center;z-index:100}.modal-card{background:var(--panel);border-radius:14px;padding:20px;min-width:320px;box-shadow:0 12px 40px #0000004d}.modal-card h3{margin:0 0 10px}.modal-card input{width:100%;padding:8px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);margin:6px 0}.modal-card .row{display:flex;justify-content:flex-end;gap:8px;margin-top:10px}.bgc-row{display:flex;gap:8px;align-items:center;margin:8px 0}.bgc{width:30px;height:30px;border-radius:50%;border:2px solid var(--border);cursor:pointer}.bgc.on{border-color:var(--accent);box-shadow:0 0 0 3px #4a7fd659}button svg.ic,.tool-btn svg.ic,.sel-toolbar svg.ic{vertical-align:-3px}button{display:inline-flex;align-items:center;gap:5px}.dropdown button{gap:8px}#btn-menu{font-size:0}#btn-menu svg.ic{margin:2px}.tool-btn{padding:7px 8px}.text-layer{position:absolute;inset:0;pointer-events:auto;-webkit-user-select:text;user-select:text;z-index:5;opacity:0}.text-layer.active{opacity:1}.text-layer .tx{position:absolute;white-space:pre;-webkit-user-select:text;user-select:text;color:transparent;cursor:text}.text-layer .tx::selection{background:#ffc83cbf;color:transparent}.mark-pop{position:absolute;z-index:40;background:#16181f;color:#e8eaf0;border-radius:12px;padding:8px 10px;box-shadow:0 8px 26px #00000073;display:flex;flex-direction:column;gap:8px;pointer-events:auto}.mark-actions{display:flex;gap:4px}.mark-actions button{background:none;border:none;color:#cdd3e0;padding:7px;border-radius:8px;cursor:pointer}.mark-actions button:hover{background:#262a36;color:#fff}.mark-colors{display:flex;gap:6px;align-items:center}.mark-colors .mc{width:22px;height:22px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0}.mark-colors .mc.on{border-color:#fff;box-shadow:0 0 0 2px #ffffff40}#props-panel{position:absolute;top:0;right:0;bottom:0;width:260px;background:var(--panel);border-left:1px solid var(--border);z-index:30;overflow-y:auto;padding:14px}#props-panel h4{margin:2px 0 10px;font-size:14px}#props-panel .group{border:1px solid var(--border);border-radius:10px;padding:10px;margin-bottom:10px}#props-panel label{font-size:12px;color:var(--muted);display:block;margin:6px 0 3px}#props-panel .swatches{display:flex;gap:6px;flex-wrap:wrap}#props-panel .sw{width:26px;height:26px;border-radius:50%;border:2px solid transparent;cursor:pointer}#props-panel .sw.on{border-color:var(--accent);box-shadow:0 0 0 2px #5a8cdc4d}#props-panel input[type=range]{width:100%}#props-panel select{width:100%;padding:6px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text)}