:root{--bg: #f4f5f7;--panel-bg: #ffffff;--panel-border: #dcdde0;--text-primary: #24292f;--text-secondary: #6b7280;--accent: #434a57;--accent-soft: #eceef1;--danger: #d93025;--divider: #eceef0;--field-bg: #f1f2f4;--field-bg-hover: #e7e9ec;--top-height: 44px;--panel-width: 336px;--status-height: 28px;--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;--font-mono: "Cascadia Mono", "JetBrains Mono", Consolas, "Courier New", monospace;--radius: 6px;--shadow-panel: 0 1px 2px rgba(0, 0, 0, .06)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-ui);font-size:13px;line-height:1.5;color:var(--text-primary);background:var(--bg);overflow:hidden;-webkit-font-smoothing:antialiased;user-select:none}input,select,textarea{user-select:text;font-family:inherit}button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}[hidden]{display:none!important}.mono{font-family:var(--font-mono);font-size:11.5px;color:var(--text-primary)}#app{display:grid;height:100vh;grid-template-columns:1fr var(--panel-width);grid-template-rows:var(--top-height) 1fr var(--status-height);grid-template-areas:"top   top" "work  props" "status status"}#topbar{grid-area:top}#viewport{grid-area:work}#props{grid-area:props}#statusbar{grid-area:status}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px 12px;border:none;border-radius:var(--radius);background:transparent;color:var(--text-secondary);font-size:12.5px;line-height:1.4;white-space:nowrap}.btn:hover{background:var(--field-bg);color:var(--text-primary)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#333a45;color:#fff}.btn-secondary{background:var(--field-bg);color:var(--text-primary)}.btn-secondary:hover{background:var(--field-bg-hover);color:var(--text-primary)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--field-bg);color:var(--text-primary)}.btn-xs{padding:3px 8px;font-size:11.5px}.seg{display:inline-flex;gap:2px;padding:2px;background:var(--field-bg);border-radius:calc(var(--radius) + 1px)}.seg-item{position:relative;display:inline-flex;align-items:center;padding:4px 12px;font-size:12.5px;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius);white-space:nowrap}.seg-item:hover{color:var(--text-primary)}.seg-item:has(input:checked){background:var(--panel-bg);color:var(--text-primary);font-weight:600;box-shadow:0 1px 2px #0000000f}.seg-item input{position:absolute;opacity:0;pointer-events:none}.seg-sm .seg-item{padding:3px 10px;font-size:12px}select,input[type=number],input[type=text]{min-width:0;padding:6px 10px;font-size:12.5px;color:var(--text-primary);background:var(--field-bg);border:none;border-radius:var(--radius);outline:none}select:hover,input[type=number]:hover,input[type=text]:hover{background:var(--field-bg-hover)}select:focus,input[type=number]:focus,input[type=text]:focus{background:var(--field-bg-hover);box-shadow:0 0 0 3px #434a571f}select{flex:1;max-width:100%}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}input[type=color]{width:30px;height:24px;padding:0;border:none;border-radius:5px;background:none;cursor:pointer}input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border:none;border-radius:5px}input[type=color]:focus{outline:2px solid var(--field-bg-hover);outline-offset:1px}input[type=checkbox]{width:15px;height:15px;accent-color:var(--accent);cursor:pointer}#topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 14px;background:var(--panel-bg);border-bottom:1px solid var(--panel-border);box-shadow:var(--shadow-panel)}.brand{display:flex;align-items:baseline;gap:10px;min-width:0}.brand h1{font-size:14px;font-weight:600;color:var(--text-primary);white-space:nowrap}.brand-sub{font-size:11.5px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.top-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.sep{width:1px;height:18px;margin:0 4px;background:var(--divider)}#viewport{position:relative;overflow:hidden;background:var(--bg)}#viewport.dragover{outline:3px dashed var(--accent);outline-offset:-6px}#gl{position:absolute;inset:0;width:100%;height:100%;display:block}#canvas-hint{position:absolute;left:12px;bottom:8px;z-index:2;font-size:11.5px;color:var(--text-secondary);pointer-events:none;text-shadow:0 1px 0 rgba(255,255,255,.7)}#props{background:var(--bg);border-left:1px solid var(--divider);padding:12px 12px 8px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}#props::-webkit-scrollbar{width:8px}#props::-webkit-scrollbar-thumb{background:#c9cdd3;border-radius:4px}.panel-section{padding:15px 16px 16px;margin-bottom:12px;background:var(--panel-bg);border-radius:10px;box-shadow:0 1px 2px #0000000d}.panel-title{font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;letter-spacing:.2px}.panel-hint{margin:4px 0 8px;font-size:12px;line-height:1.6;color:var(--text-secondary)}.panel-hint.left{text-align:left}.field-row{display:flex;align-items:center;gap:10px;margin:9px 0}.field-label{flex:0 0 62px;font-size:12px;color:var(--text-secondary);white-space:nowrap}.check-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin:10px 0 2px}.check{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--text-primary);cursor:pointer;white-space:nowrap}.slider-row{margin:13px 0}.slider-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:6px;font-size:12px;color:var(--text-secondary)}.slider-head .mono{color:var(--text-primary)}.super-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:6px}.super-grid label{display:flex;flex-direction:column;gap:2px;font-size:11px;color:var(--text-secondary)}.status-line{margin-top:8px;padding:6px 9px;border-radius:var(--radius);background:var(--field-bg);color:var(--text-primary);font-size:12px;min-height:20px;word-break:break-all}.status-line.error{color:var(--danger);background:#d9302514;border:1px solid rgba(217,48,37,.3)}details.collapsible{margin:6px 0;font-size:12px}details.collapsible summary{display:inline-block;cursor:pointer;color:var(--text-secondary);user-select:none;padding:2px 0}details.collapsible summary:hover{color:var(--accent)}details.collapsible[open] summary{color:var(--accent)}.color-triple{display:flex;align-items:center;gap:14px;margin-top:8px}.color-triple label{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--text-secondary)}.color-triple.single label{color:var(--text-secondary)}.element-list{display:flex;flex-direction:column;gap:4px;margin-top:6px}.el-row{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:var(--radius);background:var(--field-bg)}.el-color{width:34px}.el-sym{width:30px;font-weight:700;font-size:13px}.el-count{flex:1;font-size:11.5px;color:var(--text-secondary)}.el-radius{width:66px;font-family:var(--font-mono);font-size:11.5px;background:var(--bg)}.el-reset{padding:3px 8px;font-size:12px;color:var(--text-secondary);border-radius:4px}.el-reset:hover{background:#fff;color:var(--text-primary)}.mini-table{width:100%;border-collapse:collapse;margin-top:4px;font-size:12px}.mini-table th{text-align:left;padding:3px 6px;color:var(--text-secondary);font-weight:500;border-bottom:1px solid var(--divider)}.mini-table td{padding:2px 6px}.mini-table input[type=number]{width:72px;background:var(--field-bg);font-family:var(--font-mono);font-size:11.5px}.prop-list{display:grid;grid-template-columns:auto 1fr;gap:3px 14px;font-size:12px}.prop-list dt{color:var(--text-secondary);white-space:nowrap}.prop-list dd{color:var(--text-primary);font-family:var(--font-mono);font-size:11.5px;word-break:break-all}#info .muted{color:var(--text-secondary)}.warnbox{margin-top:8px;padding:5px 8px;font-size:11.5px;line-height:1.5;color:var(--danger);background:#d9302514;border:1px solid rgba(217,48,37,.3);border-radius:5px}.props-foot{padding:4px 8px 12px;font-size:11px;line-height:1.7;color:var(--text-secondary)}#statusbar{display:flex;align-items:center;gap:16px;padding:0 12px;font-size:12px;color:var(--text-secondary);background:var(--panel-bg);border-top:1px solid var(--panel-border);white-space:nowrap;overflow:hidden}#statusbar .spacer{flex:1}#statusbar .status-value{font-family:var(--font-mono);font-size:11.5px;color:var(--text-primary)}input[type=range]{-webkit-appearance:none;appearance:none;height:18px;background:transparent;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:999px;background:linear-gradient(to right,#434a57 0%,#434a57 var(--fill, 0%),#e3e5e8 var(--fill, 0%),#e3e5e8 100%)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;margin-top:-5px;border-radius:50%;background:#fff;border:1px solid #cfd3d8;box-shadow:0 1px 3px #00000038;transition:transform .1s ease}input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.12)}input[type=range]::-moz-range-track{height:4px;border-radius:999px;background:#e3e5e8}input[type=range]::-moz-range-progress{height:4px;border-radius:999px;background:#434a57}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:1px solid #cfd3d8;box-shadow:0 1px 3px #00000038}body.js select.dd-native{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.dd{position:relative;display:inline-flex;flex:1;min-width:0}#topbar .dd{flex:0 0 auto;width:auto}#topbar .dd-btn{width:auto;min-width:76px}.dd-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:30px;padding:4px 10px;font-size:12.5px;color:var(--text-primary);background:var(--field-bg);border-radius:var(--radius);text-align:left;white-space:nowrap;overflow:hidden}.dd-btn:hover,.dd.open .dd-btn{background:var(--field-bg-hover)}.dd-label{overflow:hidden;text-overflow:ellipsis}.dd-caret{flex-shrink:0;width:0;height:0;margin-right:2px;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--text-secondary)}.dd.open .dd-caret{transform:rotate(180deg)}.dd-menu{position:fixed;z-index:120;width:max-content;min-width:170px;max-width:min(380px,calc(100vw - 16px));padding:4px;background:#fff;border-radius:8px;box-shadow:0 8px 24px #00000029;overflow:hidden}.dd-search{padding:4px 4px 6px}.dd-search input{width:100%;padding:5px 9px;font-size:12px;background:var(--field-bg);border:none;border-radius:5px;outline:none}.dd-list{max-height:300px;overflow-y:auto;scrollbar-width:thin}.dd-item{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;padding:5px 9px;font-size:12.5px;color:var(--text-primary);border-radius:5px;text-align:left;white-space:nowrap}.dd-item:hover{background:var(--field-bg)}.dd-item .dd-item-text{overflow:hidden;text-overflow:ellipsis}.dd-item .dd-item-check{flex-shrink:0;color:var(--accent);font-size:12px;visibility:hidden}.dd-item.selected .dd-item-check{visibility:visible}.quick-card{position:absolute;left:12px;bottom:10px;z-index:10;display:flex;align-items:center;gap:4px;padding:6px 8px;background:#fffffff5;border-radius:8px;box-shadow:0 2px 10px #0000001f;user-select:none}#btn-rotate.active{background:var(--accent);color:#fff}#canvas-hint{left:auto;right:12px;bottom:10px}.gh-link{margin-left:2px;font-size:11.5px;color:var(--text-secondary);text-decoration:none;white-space:nowrap}.gh-link:hover{color:var(--text-primary);text-decoration:underline}.props-foot a{color:var(--accent);text-decoration:none}.props-foot a:hover{text-decoration:underline}