:root{--rpanel-w:260px}*{box-sizing:border-box;margin:0;padding:0}html,body{color:#000;background:#fff;height:100%;font-family:Georgia,serif;font-size:13px;overflow:hidden}body::selection{color:#fff;background:#000}.app{height:100vh;display:flex}.toolbar{border-right:1px solid #000;flex-direction:column;flex-shrink:0;align-items:center;gap:2px;width:48px;padding:8px 0;display:flex;overflow-y:auto}.tool-btn{color:#666;cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;width:36px;height:36px;padding:0;display:flex}.tool-btn svg{width:20px;height:20px}.tool-sep{background:#ccc;width:24px;height:1px;margin:4px 0}.stage-wrap{flex-direction:column;flex:1;min-width:0;display:flex}.stage-header{border-bottom:1px solid #000;flex-shrink:0;align-items:center;gap:10px;padding:6px 14px;display:flex}.header-left{align-items:center;gap:10px;display:flex}.header-center{flex:1;justify-content:center;display:flex}.header-right{gap:6px;display:flex}.brand{align-items:center;gap:8px;display:flex}.brand-title{letter-spacing:.12em;text-transform:uppercase;color:#666;font-size:11px;font-weight:600}.coords{color:#999;text-align:center;min-width:120px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11px}button{color:#000;cursor:pointer;background:#fff;border:1px solid #000;padding:5px 10px;font-family:Georgia,serif;font-size:12px}button:hover,.tool-btn.active{color:#fff;background:#000}button:active{transform:translateY(1px)}button.primary{color:#fff;background:#000;font-weight:600}button.primary:hover{background:#333}button.accent{border-color:#000}button:disabled{opacity:.3;cursor:not-allowed}button.mini{padding:2px 6px;font-size:10px}button.full{width:100%}.issue-link{color:#000;cursor:pointer;background:#fff;border:1px solid #000;padding:5px 10px;font-family:Georgia,serif;font-size:12px;text-decoration:none;display:inline-block}.issue-link:hover{color:#fff;background:#000}#stage{background:#f5f5f5;flex:1;justify-content:center;align-items:center;display:flex;position:relative}#stage canvas{display:block;position:absolute;top:0;left:0}#previewCanvas{cursor:crosshair;z-index:3}#overlayCanvas{z-index:2;pointer-events:none}.legend{color:#999;border-top:1px solid #000;flex-shrink:0;justify-content:center;align-items:center;padding:4px 10px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:10px;display:flex}.legend b.rr{color:#c00}.legend b.gg{color:#0a0}.rpanel{width:var(--rpanel-w);border-left:1px solid #000;flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.panel-resize{cursor:col-resize;background:0 0;flex-shrink:0;width:4px}.panel-resize:hover,.panel-resize.active{background:#000}.rpanel-top{flex:1;padding:12px;overflow-y:auto}.rpanel-bottom{border-top:1px solid #000;flex-direction:column;flex-shrink:0;max-height:45%;display:flex;overflow:hidden}.layer-header{flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 12px 4px;display:flex}.layer-header .section-title{margin:0}.layer-actions{gap:4px;display:flex}.layer-list{flex-direction:column;flex:1;gap:1px;padding:0 8px 8px;display:flex;overflow-y:auto}.layer-item{cursor:pointer;border:1px solid #0000;flex-shrink:0;align-items:center;gap:6px;padding:4px 6px;font-size:11.5px;transition:background .1s;display:flex}.layer-item:hover{background:#f0f0f0}.layer-item.selected{background:#e0e0e0;border-color:#999}.layer-item.dragging{opacity:.4}.layer-item.drag-over-top{box-shadow:inset 0 2px #f2b84b}.layer-item.drag-over-bottom{box-shadow:inset 0 -2px #f2b84b}.layer-thumb{background:gray;border:1px solid #ccc;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:28px;display:flex;overflow:hidden}.layer-thumb canvas{width:100%;height:100%;display:block}.layer-vis{text-align:center;cursor:pointer;color:#555;-webkit-user-select:none;user-select:none;flex-shrink:0;width:18px;font-size:12px}.layer-name{color:#333;white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:11px;overflow:hidden}.layer-del{color:#ccc;cursor:pointer;opacity:0;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;padding:0;font-size:12px;display:flex}.layer-item:hover .layer-del{opacity:1}.layer-del:hover{color:#c00}.section{margin-bottom:14px}.section-title{letter-spacing:.1em;text-transform:uppercase;color:#999;cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:6px;margin:0 0 8px;font-size:10px;display:flex}.section-title>.st-chevron{flex:none;font-size:8px;transition:transform .15s;display:inline-block}.section.collapsed .st-chevron{transform:rotate(0)}.section:not(.collapsed) .st-chevron{transform:rotate(90deg)}.section-title>.st-label{flex:1}.section-title>.st-label:after{content:"";vertical-align:middle;background:#ccc;height:1px;margin-left:8px;display:block}.section-body{display:block}.section.collapsed .section-body,.section.collapsed>:not(.section-title){display:none}.field{margin-bottom:10px}.field-row{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.field-label{color:#666;font-size:11.5px}.field-value{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11px}input[type=range]{cursor:pointer;width:100%}input[type=checkbox]{cursor:pointer}.checkbox-row{color:#666;cursor:pointer;align-items:center;gap:6px;margin-bottom:4px;font-size:11.5px;display:flex}select{color:#000;cursor:pointer;background:#fff;border:1px solid #000;width:100%;padding:5px 8px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11.5px}select:focus{outline:1px solid #000}.hint{color:#999;margin:0;font-size:11px;line-height:1.45}.seg{border:1px solid #000;display:flex;overflow:hidden}.seg button{color:#000;background:#fff;border:none;flex:1;padding:4px 6px}.seg button.active{color:#fff;background:#000;font-weight:600}.seg button:not(:last-child){border-right:1px solid #000}.file-btn{text-align:center;width:100%}#imgFileInput{display:none}.toast{color:#000;z-index:999;opacity:0;pointer-events:none;background:#fff;border:1px solid #000;padding:7px 14px;font-size:12px;transition:opacity .25s,transform .25s;position:fixed;top:14px;left:50%;transform:translate(-50%)translateY(-8px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.hud{z-index:500;pointer-events:none;color:#fff;white-space:nowrap;background:#000;padding:4px 8px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11px;font-weight:600;display:none;position:fixed}.hud-bar{background:#ffffff2e;border-radius:2px;height:3px;margin-top:3px;overflow:hidden}.hud-bar-fill{border-radius:2px;height:100%;transition:width 80ms}.modal-overlay{z-index:800;background:#000000bf;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:#fff;border:1px solid #000;flex-direction:column;width:min(90vw,900px);height:min(85vh,640px);display:flex;overflow:hidden}.modal-header{border-bottom:1px solid #000;flex-shrink:0;justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.modal-title{letter-spacing:.08em;text-transform:uppercase;color:#666;font-size:12px}.modal-close{color:#999;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;width:26px;height:26px;padding:0;font-size:14px;display:flex}.modal-close:hover{color:#000;background:#eee;border-color:#000}.modal-body{flex:1;min-height:0;position:relative}.modal-body canvas{width:100%;height:100%;display:block}.modal-footer{border-top:1px solid #000;flex-shrink:0;justify-content:center;gap:8px;padding:8px 16px;display:flex}