:root{--bg-0:#0b0d10;--bg-1:#101216;--bg-2:#16191f;--bg-3:#1d212a;--border:#262b35;--border-soft:#1c2028;--text:#d6dce6;--text-dim:#8b94a5;--text-faint:#5d6575;--accent:#4f8ef7;--accent-soft:#4f8ef729;--region:#47d6a8;--region-soft:#47d6a838;--danger:#e5636a;--radius:8px;font-size:13px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{background:var(--bg-0);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none;font-family:Inter,-apple-system,Segoe UI,system-ui,sans-serif}input,select,textarea,button{font:inherit;color:inherit}.app{flex-direction:column;height:100%;display:flex}.app-body{flex:1;min-height:0;display:flex}.app-loading{text-align:center;place-content:center;gap:8px;height:100%;display:grid}.topbar{background:var(--bg-1);border-bottom:1px solid var(--border);z-index:30;align-items:center;gap:6px;height:44px;padding:0 12px;display:flex}.logo{letter-spacing:.2px;margin-right:6px;font-size:15px;font-weight:700}.logo span{color:var(--accent)}.doc-name{width:150px;color:var(--text-dim);background:0 0;border:1px solid #0000;border-radius:6px;padding:4px 8px}.doc-name:hover,.doc-name:focus{border-color:var(--border);color:var(--text);background:var(--bg-2);outline:none}.spacer{flex:1}.menu{position:relative}.menu-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px 10px}.menu-btn:hover,.menu-btn.open{background:var(--bg-2);color:var(--text)}.menu-btn.accent{color:var(--accent)}.menu-drop{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);z-index:50;flex-direction:column;min-width:210px;padding:5px;display:flex;position:absolute;top:calc(100% + 4px);left:0;box-shadow:0 12px 32px #00000080}.menu-drop>button{text-align:left;cursor:pointer;color:var(--text);background:0 0;border:none;border-radius:5px;padding:6px 10px}.menu-drop>button:hover:not(:disabled){background:var(--accent-soft)}.menu-drop>button:disabled{color:var(--text-faint);cursor:default}.menu-drop>button.checked:before{content:"✓ ";color:var(--accent)}.menu-sep{background:var(--border);height:1px;margin:5px 4px}.menu-note{color:var(--text-faint);max-width:220px;padding:6px 10px;font-size:11px}.menu-check,.menu-inline{cursor:pointer;color:var(--text);align-items:center;gap:8px;padding:5px 10px;display:flex}.menu-inline input[type=number]{background:var(--bg-3);border:1px solid var(--border);border-radius:4px;width:60px;padding:3px 6px}.menu-inline input[type=color]{cursor:pointer;background:0 0;border:none;width:40px;height:22px}.icon-btn{min-width:30px;height:30px;color:var(--text-dim);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;padding:0 8px;font-size:14px}.icon-btn:hover:not(:disabled){background:var(--bg-2);color:var(--text)}.icon-btn:disabled{color:var(--text-faint);cursor:default}.icon-btn.active{color:var(--accent);background:var(--accent-soft)}.toolbar{background:var(--bg-1);border-right:1px solid var(--border);flex-direction:column;align-items:center;gap:2px;width:48px;padding:8px 0;display:flex;overflow-y:auto}.toolbar-slot{flex-direction:column;align-items:center;width:100%;display:flex}.toolbar-sep{background:var(--border);width:24px;height:1px;margin:5px 0}.tool-btn{width:36px;height:36px;color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:8px;place-items:center;font-size:16px;display:grid}.tool-btn:hover{background:var(--bg-2);color:var(--text)}.tool-btn.active{background:var(--accent-soft);color:var(--accent)}.tool-btn.region-tool.active{background:var(--region-soft);color:var(--region)}.canvas-wrap{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.canvas{touch-action:none;flex:1;width:100%;height:100%;display:block}.cursor-grab{cursor:grab}.cursor-crosshair{cursor:crosshair}.cursor-default{cursor:default}.status-bar{color:var(--text-faint);pointer-events:none;font-variant-numeric:tabular-nums;background:linear-gradient(#0000,#0b0d10d9);gap:18px;padding:5px 14px;font-size:11px;display:flex;position:absolute;bottom:0;left:0;right:0}.status-bar .hint{color:var(--text-dim)}.region-hover{fill:var(--region-soft);stroke:var(--region);stroke-width:0}.region-selected{fill:#47d6a81a;stroke:var(--region)}.shape-selected-outline{stroke:var(--accent)}.selection-bbox{fill:none;stroke:var(--accent);stroke-opacity:.9}.selection-handle{fill:var(--bg-1);stroke:var(--accent);stroke-width:1.2px;vector-effect:non-scaling-stroke}.selection-handle:hover{fill:var(--accent)}.marquee{fill:#4f8ef714;stroke:var(--accent);stroke-dasharray:4 3}.pen-preview{fill:none;stroke:var(--accent)}.pen-node{fill:var(--bg-1);stroke:var(--accent);vector-effect:non-scaling-stroke}.pen-node-first{fill:var(--accent)}.snap-marker path,.snap-marker circle{stroke:#ffb454;fill:none}.snap-marker text{fill:#ffb454;font-family:inherit}.measure line,.measure path{stroke:#7ea4d9}.measure text{fill:#7ea4d9;font-family:inherit}.right-rail{background:var(--bg-1);border-left:1px solid var(--border);flex-direction:column;width:268px;display:flex;overflow-y:auto}.section{border-bottom:1px solid var(--border-soft);flex-direction:column;gap:8px;padding:12px 14px;display:flex}.section-title{text-transform:uppercase;letter-spacing:.8px;color:var(--text-dim);font-size:11px;font-weight:600}.region-title{color:var(--region);align-items:center;gap:6px;display:flex}.region-badge{font-size:10px}.subsection{border-left:2px solid var(--border-soft);flex-direction:column;gap:6px;padding-left:6px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row-label{color:var(--text-faint);font-size:11px}.grid-2{grid-template-columns:1fr 1fr;gap:6px;display:grid}.num-field{background:var(--bg-2);border:1px solid var(--border-soft);border-radius:6px;align-items:center;gap:5px;min-width:0;padding:2px 6px;display:flex}.num-field span{color:var(--text-faint);white-space:nowrap;font-size:10px}.num-field input{font-variant-numeric:tabular-nums;background:0 0;border:none;outline:none;width:100%;min-width:34px}.num-field input::-webkit-outer-spin-button{-webkit-appearance:none}.num-field input::-webkit-inner-spin-button{-webkit-appearance:none}.text-input{background:var(--bg-2);border:1px solid var(--border-soft);border-radius:6px;outline:none;flex:1;min-width:60px;padding:4px 8px}.text-input:focus{border-color:var(--accent)}.name-input{font-weight:500}select{background:var(--bg-2);border:1px solid var(--border-soft);cursor:pointer;border-radius:6px;outline:none;max-width:130px;padding:4px 6px}.check{cursor:pointer;color:var(--text-dim);align-items:center;gap:6px;font-size:12px;display:flex}.chip{background:var(--bg-2);border:1px solid var(--border-soft);color:var(--text-dim);cursor:pointer;border-radius:20px;padding:3px 9px;font-size:11px}.chip:hover{color:var(--text)}.chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.seg{flex-wrap:wrap;gap:4px;display:flex}.btn{background:var(--bg-3);border:1px solid var(--border);cursor:pointer;border-radius:6px;padding:6px 12px}.btn:hover{border-color:var(--accent)}.btn.accent{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.mini-btn{background:var(--bg-2);border:1px solid var(--border-soft);color:var(--text-dim);cursor:pointer;border-radius:5px;padding:2px 8px;font-size:11px}.mini-btn:hover:not(:disabled){color:var(--text);border-color:var(--border)}.mini-btn:disabled{opacity:.4;cursor:default}.mini-btn.danger:hover{color:var(--danger);border-color:var(--danger)}.hint{color:var(--text-faint);font-size:11px;line-height:1.5}.region-info{color:var(--text-dim);background:var(--bg-2);border-radius:6px;flex-direction:column;gap:4px;padding:8px 10px;font-size:12px;display:flex}.region-info b{color:var(--text);font-weight:500}.custom-svg-input{background:var(--bg-2);border:1px solid var(--border-soft);resize:vertical;border-radius:6px;outline:none;min-height:60px;padding:6px 8px;font-family:ui-monospace,monospace;font-size:11px}.color-button-wrap{position:relative}.color-button{background:var(--bg-2);border:1px solid var(--border-soft);cursor:pointer;color:var(--text-dim);border-radius:6px;align-items:center;gap:7px;padding:4px 9px;font-size:12px;display:flex}.color-button:hover{color:var(--text)}.color-chip{border:1px solid var(--border);background-image:repeating-conic-gradient(#555 0% 25%,#888 0% 50%);background-size:8px 8px;border-radius:4px;width:16px;height:16px}.popover{z-index:60;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);width:226px;padding:10px;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 14px 40px #0000008c}.popover-portal{z-index:1000;width:246px;max-height:min(82vh,580px);position:fixed;top:auto;right:auto;overflow-y:auto}.color-picker{flex-direction:column;gap:8px;display:flex}.cp-sv{cursor:crosshair;border-radius:6px;height:120px;position:relative}.cp-sv-cursor{pointer-events:none;border:2px solid #fff;border-radius:50%;width:12px;height:12px;position:absolute;transform:translate(-6px,-6px);box-shadow:0 0 3px #000c}.cp-slider{cursor:ew-resize;border-radius:6px;height:12px;position:relative}.cp-hue{background:linear-gradient(90deg,red,#ff0,#0f0,#0ff,#00f,#f0f,red)}.cp-slider-cursor{pointer-events:none;background:#fff;border-radius:3px;width:6px;height:16px;position:absolute;top:-2px;transform:translate(-3px);box-shadow:0 0 3px #000000b3}.cp-mode-row{gap:4px;display:flex}.cp-fields{gap:5px;display:flex}.hex-input{background:var(--bg-3);border:1px solid var(--border-soft);border-radius:6px;outline:none;flex:1;min-width:0;padding:4px 8px;font-family:ui-monospace,monospace;font-size:12px}.cp-swatch-section{flex-direction:column;gap:5px;display:flex}.cp-label{text-transform:uppercase;letter-spacing:.6px;color:var(--text-faint);justify-content:space-between;align-items:center;font-size:10px;display:flex}.cp-swatches{flex-wrap:wrap;gap:4px;display:flex}.swatch{border:1px solid var(--border);cursor:pointer;border-radius:4px;width:18px;height:18px;padding:0}.swatch:hover{transform:scale(1.15)}.cp-palette-row{align-items:center;gap:6px;display:flex}.cp-palette-name{color:var(--text-faint);text-overflow:ellipsis;white-space:nowrap;width:52px;font-size:10px;overflow:hidden}.layers-panel,.history-panel{border-top:1px solid var(--border);flex-direction:column;display:flex}.panel-header{text-transform:uppercase;letter-spacing:.8px;color:var(--text-dim);justify-content:space-between;align-items:center;padding:10px 14px 6px;font-size:11px;font-weight:600;display:flex}.layer-block{border-bottom:1px solid var(--border-soft)}.layer-row{cursor:pointer;align-items:center;gap:4px;padding:4px 10px;display:flex}.layer-row.active{background:var(--accent-soft)}.layer-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.layer-name{background:0 0;border:none;outline:none;flex:1;min-width:0;font-weight:500}.layer-controls{align-items:center;gap:4px;padding:0 10px 6px 28px;display:flex}.layer-controls input[type=range]{height:3px;accent-color:var(--accent);flex:1}.disclosure{color:var(--text-faint);cursor:pointer;background:0 0;border:none;width:14px;padding:0}.icon-toggle{cursor:pointer;color:var(--text-dim);background:0 0;border:none;width:22px;font-size:11px}.icon-toggle.off{color:var(--text-faint)}.icon-toggle.on{color:var(--accent)}.object-row{cursor:pointer;color:var(--text-dim);align-items:center;padding:3px 10px 3px 30px;font-size:12px;display:flex}.object-row:hover{background:var(--bg-2)}.object-row.selected{background:var(--accent-soft);color:var(--text)}.object-row.is-guide{color:#6d92c4;font-style:italic}.object-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.history-list{max-height:220px;padding:0 8px;overflow-y:auto}.history-row{color:var(--text-dim);cursor:pointer;border-radius:5px;padding:4px 10px;font-size:12px}.history-row:hover{background:var(--bg-2)}.history-row.current{color:var(--accent);font-weight:600}.history-row.future{color:var(--text-faint);font-style:italic}.history-actions{padding:8px 14px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--bg-3);border:2px solid var(--bg-1);border-radius:5px}::-webkit-scrollbar-track{background:0 0}.toast{background:var(--bg-2);color:var(--text);border:1px solid var(--bg-3);border-left:3px solid var(--accent);z-index:1200;pointer-events:none;border-radius:6px;max-width:70vw;padding:8px 14px;font-size:12px;animation:.18s ease-out toast-in;position:fixed;bottom:44px;left:50%;transform:translate(-50%);box-shadow:0 6px 24px #00000073}@keyframes toast-in{0%{opacity:0;transform:translate(-50%)translateY(6px)}to{opacity:1;transform:translate(-50%)translateY(0)}}