:root{--bg: #1A1218;--canvas-bg: #1A1218;--canvas-grid: rgba(138, 149, 168, .18);--canvas-grid-image: radial-gradient(circle at center, var(--canvas-grid) 1px, transparent 1px);--canvas-text: #E6EBF2;--canvas-text-dim: #8A95A8;--surface: #231B21;--surface-2: #2C252A;--surface-3: #383136;--border: #3C363B;--border-strong: #514B4F;--text: #E6EBF2;--text-dim: #8A95A8;--text-faint: #5A6478;--accent: #FFB454;--accent-ink: #1F1400;--compare: #5CE1E6;--success: #6EE7B7;--danger: #F87171;--visited: #A78BFA;--pad-x: 16px;--pad-y: 12px;--radius: 12px;--radius-sm: 8px;--mono: "IBM Plex Mono", ui-monospace, "JetBrains Mono", Menlo, monospace;--sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;--spring-curve: cubic-bezier(.34, 1.56, .64, 1);--transition-fast: .15s var(--spring-curve);--transition-normal: .25s cubic-bezier(.25, .8, .25, 1)}[data-theme=light]{--bg: #F4F6F9;--canvas-bg: #EAEFF5;--canvas-grid: rgba(26, 31, 43, .06);--canvas-text: #171E2D;--canvas-text-dim: #5E6B82;--surface: #FFFFFF;--surface-2: #F0F3F8;--surface-3: #E2E8F1;--border: #D3DCE9;--border-strong: #BDCADB;--text: #171E2D;--text-dim: #5E6B82;--text-faint: #8F9CAE;--accent-ink: #1F1400}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:13px;letter-spacing:.005em;overflow:hidden;-webkit-font-smoothing:antialiased}button{font-family:inherit}input,textarea{font-family:inherit;color:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:99px;border:1.5px solid var(--surface)}::-webkit-scrollbar-thumb:hover{background:var(--accent)}@keyframes pulse-glow-active{0%{box-shadow:0 0 color-mix(in oklch,var(--accent) 70%,transparent)}70%{box-shadow:0 0 0 8px color-mix(in oklch,var(--accent) 0%,transparent)}to{box-shadow:0 0 color-mix(in oklch,var(--accent) 0%,transparent)}}@keyframes pulse-glow-compare{0%{box-shadow:0 0 color-mix(in oklch,var(--compare) 70%,transparent)}70%{box-shadow:0 0 0 8px color-mix(in oklch,var(--compare) 0%,transparent)}to{box-shadow:0 0 color-mix(in oklch,var(--compare) 0%,transparent)}}@keyframes pulse-glow-visited{0%{box-shadow:0 0 color-mix(in oklch,var(--visited) 60%,transparent)}70%{box-shadow:0 0 0 8px color-mix(in oklch,var(--visited) 0%,transparent)}to{box-shadow:0 0 color-mix(in oklch,var(--visited) 0%,transparent)}}@keyframes pulse-glow-found{0%{box-shadow:0 0 color-mix(in oklch,var(--success) 70%,transparent)}70%{box-shadow:0 0 0 8px color-mix(in oklch,var(--success) 0%,transparent)}to{box-shadow:0 0 color-mix(in oklch,var(--success) 0%,transparent)}}.app{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"sb main";height:100%;background:var(--bg)}.sidebar{grid-area:sb;width:240px;border-right:1px solid var(--border);background:color-mix(in oklch,var(--surface) 80%,transparent);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);display:flex;flex-direction:column;min-height:0;transition:width .3s var(--spring-curve),background-color var(--transition-normal);overflow:hidden;box-shadow:4px 0 24px #00000026;z-index:10}[data-theme=light] .sidebar{background:color-mix(in oklch,var(--surface) 85%,transparent);box-shadow:4px 0 16px #1a1f2b0a}.sidebar.collapsed{width:56px}.sidebar.collapsed .sb-style-slot,.sidebar.collapsed .sb-hd-compact,.sidebar.collapsed .add-section,.sidebar.collapsed .add-file-section{display:none}.sb-top-actions{padding:16px 14px 10px;display:flex;align-items:center;justify-content:space-between;gap:8px}.sb-brand{display:inline-flex;align-items:center;gap:10px;min-width:0;color:var(--text);font-weight:700;letter-spacing:-.01em}.sb-brand-mark{width:20px;height:20px;flex:0 0 20px;position:relative;transition:transform var(--transition-fast);filter:drop-shadow(0 2px 6px rgba(255,180,84,.25))}.sb-brand:hover 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.ico{width:12px;height:12px;color:var(--text-faint);transition:transform var(--transition-fast),color var(--transition-fast)}.sb-tab-btn.active .ico{color:var(--accent);transform:scale(1.1)}.sb-tab-btn:hover .ico{color:var(--text-dim)}@keyframes sb-fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.sb-tab-content-anim{animation:sb-fade-in .22s cubic-bezier(.16,1,.3,1) forwards}.sidebar .sb-hd{padding:16px 14px 8px;display:flex;align-items:center;justify-content:space-between}.sidebar .sb-hd-compact{padding-top:12px;border-top:1px solid var(--border)}.sidebar .sb-hd .lbl{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);font-weight:700}.sidebar .sb-list{flex:1;overflow-y:auto;padding:4px 8px 12px;display:flex;flex-direction:column;gap:4px}.sb-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-dim);border:1px solid 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.ico{width:13px;height:13px;color:var(--text-faint);transition:color var(--transition-fast)}.add-chip:hover .ico{color:var(--accent)}.sb-algo-btn{border-color:color-mix(in oklch,var(--accent) 30%,var(--border));background:color-mix(in oklch,var(--accent) 4%,var(--surface-2))}.sb-algo-btn .ico{color:var(--accent)}.sb-algo-btn:hover{border-color:var(--accent);background:color-mix(in oklch,var(--accent) 8%,var(--surface-3));box-shadow:0 0 12px color-mix(in oklch,var(--accent) 15%,transparent)}.sb-footer{margin-top:auto;padding:12px 14px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px}.sidebar.collapsed .sb-footer{padding:12px 0;align-items:center;justify-content:center}.sb-footer-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid transparent;background:transparent;color:var(--text-dim);padding:8px 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90%,transparent);box-shadow:0 12px 32px #1a1f2b1f;border-color:var(--border)}.sb-plugins-popover{top:36px}.sb-popover:before{content:"";position:absolute;left:-6px;top:39px;width:12px;height:12px;background:var(--surface);border-left:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);transform:rotate(45deg);z-index:-1}[data-theme=light] .sb-popover:before{background:var(--surface);border-left:1px solid var(--border);border-bottom:1px solid var(--border)}.sb-popover-header{padding:12px 16px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);border-bottom:1px solid var(--border);font-weight:700}.sb-popover-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:12px;max-height:380px;overflow-y:auto}.sb-popover-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-dim);padding:10px 12px;display:flex;align-items:center;gap:10px;cursor:pointer;transition:all var(--transition-fast);font-size:12px;font-weight:500;text-align:left;width:100%}.sb-popover-item:hover{background:var(--surface-3);color:var(--text);border-color:var(--accent);transform:translateY(-1px);box-shadow:0 4px 12px #0003}.sb-popover-item:active{transform:translateY(0) scale(.97)}.sb-popover-item .ico{color:var(--text-faint);flex-shrink:0;transition:color var(--transition-fast),transform var(--transition-fast)}.sb-popover-item:hover .ico{color:var(--accent);transform:scale(1.1)}.sidebar.collapsed .sb-collapse-plugins .add-chip-icon.active-popover{background:var(--surface-3);border-color:var(--accent);color:var(--text);box-shadow:0 0 14px color-mix(in oklch,var(--accent) 25%,transparent);transform:translate(2px) scale(1.05)}.sidebar.collapsed .sb-collapse-plugins .add-chip-icon.active-popover .ico{color:var(--accent);transform:scale(1.1) rotate(45deg)}.sidebar.collapsed .sb-collapse-plugins 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.ico{width:10px;height:10px;stroke-width:2.2}.toast-stack{position:fixed;right:18px;bottom:18px;z-index:500;display:flex;flex-direction:column;gap:8px;width:min(380px,calc(100vw - 36px));pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;padding:10px 10px 10px 12px;border-radius:var(--radius-sm);background:color-mix(in oklch,var(--surface) 90%,transparent);border:1px solid var(--border);color:var(--text);box-shadow:0 12px 30px #00000047;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);animation:sb-fade-in .18s ease both}.toast span{flex:1;min-width:0;font-size:12px;line-height:1.35}.toast button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--text-faint);width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;border-radius:5px;cursor:pointer;flex:0 0 22px}.toast button:hover{color:var(--text);background:var(--surface-2)}.toast-error{border-color:color-mix(in oklch,var(--danger) 44%,var(--border))}.toast-success{border-color:color-mix(in oklch,var(--success) 36%,var(--border))}.settings-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0003;z-index:15;opacity:0;pointer-events:none;backdrop-filter:blur(0px);-webkit-backdrop-filter:blur(0px);transition:opacity .3s cubic-bezier(.25,.8,.25,1),backdrop-filter .3s cubic-bezier(.25,.8,.25,1)}.settings-backdrop.open{opacity:1;pointer-events:auto;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.settings-drawer{position:fixed;top:0;bottom:0;left:0;width:320px;background:color-mix(in oklch,var(--surface) 88%,transparent);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border-right:1px solid var(--border);box-shadow:15px 0 35px #00000040;z-index:20;display:flex;flex-direction:column;transform:translate(-100%);transition:transform .35s 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40%,transparent);padding-bottom:6px}.sd-row{display:flex;flex-direction:column;gap:8px}.sd-lbl{font-size:11.5px;font-weight:600;color:var(--text-dim)}.sd-seg{position:relative;display:flex;padding:3px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--border);-webkit-user-select:none;user-select:none}.sd-seg-thumb{position:absolute;top:3px;bottom:3px;border-radius:calc(var(--radius-sm) - 2px);background:var(--accent);box-shadow:0 4px 12px color-mix(in oklch,var(--accent) 40%,transparent);transition:left .22s cubic-bezier(.3,.7,.4,1),width .22s}.sd-seg button{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;z-index:1;flex:1;border:0;background:transparent;color:var(--text-dim);font-size:11px;font-weight:600;min-height:28px;border-radius:calc(var(--radius-sm) - 2px);cursor:default;padding:5px 8px;transition:color .15s ease}.sd-seg button[aria-checked=true]{color:var(--accent-ink)}.sd-seg button:not([aria-checked=true]):hover{color:var(--text)}.sd-chips{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.sd-chip-wrapper{display:flex;flex-direction:column;align-items:center;gap:6px}.sd-chip{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:34px;height:34px;border-radius:50%;border:2px solid var(--surface);cursor:default;box-shadow:0 0 0 1px var(--border),0 3px 6px #00000026;display:flex;align-items:center;justify-content:center;transition:transform .2s cubic-bezier(.34,1.56,.64,1),box-shadow .2s,border-color .2s}.sd-chip:hover{transform:scale(1.15) translateY(-2px);box-shadow:0 0 0 1px var(--border-strong),0 6px 12px #0003}.sd-chip.active{transform:scale(1.1) translateY(-1px);border-color:var(--surface);box-shadow:0 0 0 2px var(--accent),0 6px 16px color-mix(in oklch,var(--accent) 35%,transparent)}.sd-chip svg{width:14px;height:14px;filter:drop-shadow(0 1px 1px rgba(0,0,0,.3))}.sd-chip-label{font-size:9px;font-weight:500;color:var(--text-faint);text-align:center;white-space:nowrap}.sd-badge-btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:11px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);border-radius:var(--radius-sm);text-decoration:none;font-size:11.5px;font-weight:600;transition:var(--transition-fast)}.sd-badge-btn:hover{background:var(--surface-3);border-color:var(--accent);color:var(--accent);box-shadow:0 4px 12px color-mix(in oklch,var(--accent) 15%,transparent);transform:translateY(-1px)}.sd-badge-btn:active{transform:translateY(0) scale(.98)}.main{grid-area:main;display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.canvas{flex:1;min-height:0;background-color:var(--canvas-bg);background-image:var(--canvas-grid-image);background-size:24px 24px;background-repeat:repeat;background-position:0 0;position:relative;overflow:hidden;touch-action:none;transition:background-color var(--transition-normal)}.canvas-viewport{position:absolute;top:0;right:0;bottom:0;left:0;transform-origin:0 0;will-change:transform}.canvas-inner{min-height:100%;display:flex;align-items:center;justify-content:center;padding:40px;position:relative}.struct-card{position:absolute;background:color-mix(in oklch,var(--surface) 80%,transparent);border:1px solid rgba(255,255,255,.08);border-radius:14px;box-shadow:0 1px #ffffff0d inset,0 10px 30px #00000059;backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);display:flex;flex-direction:column;min-width:180px;max-width:min(920px,calc(100vw - 320px));z-index:2;transition:transform var(--transition-fast),border-color var(--transition-normal),box-shadow var(--transition-normal);overflow:visible;contain:layout}[data-theme=light] .struct-card{background:color-mix(in oklch,var(--surface) 85%,transparent);border:1px solid rgba(26,31,43,.08);box-shadow:0 1px #fff9 inset,0 8px 24px #1a1f2b14}.struct-card.active{border-color:color-mix(in oklch,var(--accent) 70%,transparent);box-shadow:0 0 0 1px color-mix(in oklch,var(--accent) 55%,transparent),0 12px 36px #0000006b;z-index:3}.struct-card.selected:not(.active){border-color:color-mix(in oklch,var(--accent) 50%,transparent);box-shadow:0 0 0 1px color-mix(in oklch,var(--accent) 50%,transparent),0 10px 30px #00000061}.struct-card-header{display:flex;align-items:center;gap:8px;padding:10px 14px;font-family:var(--sans);font-size:11.5px;font-weight:600;color:var(--text-dim);border-bottom:1px solid var(--border);cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;background:#ffffff05;transition:background-color var(--transition-fast);border-top-left-radius:13px;border-top-right-radius:13px}.struct-card-header:active{cursor:grabbing;background:#ffffff0d}.struct-card-header .name{color:var(--text);font-weight:600}.struct-card-algo-btn{margin-left:auto;margin-right:6px;display:inline-flex;align-items:center;gap:5px;padding:3px 9px;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;color:var(--text-dim);font-size:10px;font-weight:650;cursor:pointer;pointer-events:auto;transition:all var(--transition-fast) var(--spring-curve);box-shadow:0 1px 2px #00000026}.struct-card-algo-btn .ico{color:var(--text-faint);transition:color var(--transition-fast)}.struct-card-algo-btn:hover{background:var(--surface-3);border-color:var(--accent);color:var(--text);transform:translateY(-.5px);box-shadow:0 2px 6px color-mix(in oklch,var(--accent) 12%,transparent)}.struct-card-algo-btn:hover .ico{color:var(--accent)}.struct-card-algo-btn:active{transform:translateY(0) scale(.96)}.struct-card-algo-btn.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);box-shadow:0 2px 8px color-mix(in oklch,var(--accent) 30%,transparent)}.struct-card-algo-btn.active .ico{color:var(--accent-ink);animation:pulse-bolt 1.5s infinite ease-in-out}@keyframes pulse-bolt{0%,to{opacity:.75;transform:scale(1)}50%{opacity:1;transform:scale(1.2)}}[data-theme=light] .struct-card-algo-btn{background:color-mix(in oklch,var(--surface) 95%,white);border:1px solid rgba(26,31,43,.12);box-shadow:0 1px 2px #0000000d}[data-theme=light] .struct-card-algo-btn.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.struct-card-input-btn{margin-left:auto;margin-right:4px;display:inline-flex;align-items:center;gap:5px;padding:3px 9px;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;color:var(--text-dim);font-size:10px;font-weight:650;cursor:pointer;pointer-events:auto;transition:all var(--transition-fast) var(--spring-curve);box-shadow:0 1px 2px #00000026}.struct-card-input-btn .ico{color:var(--text-faint);transition:color var(--transition-fast),transform var(--transition-fast)}.struct-card-input-btn:hover{background:color-mix(in oklch,var(--success) 8%,var(--surface-2));border-color:var(--success);color:var(--success);transform:translateY(-.5px);box-shadow:0 2px 8px color-mix(in oklch,var(--success) 18%,transparent)}.struct-card-input-btn:hover .ico{color:var(--success);transform:scale(1.1)}.struct-card-input-btn:active{transform:translateY(0) scale(.96)}[data-theme=light] .struct-card-input-btn{background:color-mix(in oklch,var(--surface) 95%,white);border:1px solid rgba(26,31,43,.12);box-shadow:0 1px 2px #0000000d}[data-theme=light] .struct-card-input-btn:hover{background:color-mix(in oklch,var(--success) 6%,white);border-color:var(--success);color:color-mix(in oklch,var(--success) 75%,black);box-shadow:0 2px 8px color-mix(in oklch,var(--success) 15%,transparent)}.struct-card-header .kind{color:var(--accent);font-size:9.5px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.05em;background:color-mix(in oklch,var(--accent) 10%,transparent);padding:2px 6px;border-radius:4px;border:1px solid color-mix(in oklch,var(--accent) 20%,transparent)}.struct-card-close-btn{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:transparent;border:none;color:var(--text-faint);cursor:pointer;pointer-events:auto;transition:all var(--transition-fast) var(--spring-curve);padding:0;margin-left:2px}.struct-card-close-btn:hover{background:color-mix(in oklch,var(--danger) 15%,var(--surface-2));color:var(--danger);transform:scale(1.08)}.struct-card-close-btn:active{transform:scale(.95)}.struct-card-body{padding:16px;overflow:auto;flex:1;min-height:0;display:flex;flex-direction:column;border-bottom-left-radius:13px;border-bottom-right-radius:13px}.struct-card-body>*{flex:1;min-height:0;width:100%;height:100%}.struct-context-hint{position:absolute;left:14px;right:14px;bottom:-34px;min-height:26px;padding:6px 9px;border-radius:var(--radius-sm);background:color-mix(in oklch,var(--surface) 88%,transparent);border:1px solid color-mix(in oklch,var(--accent) 18%,var(--border));color:var(--text-dim);font-size:11px;line-height:1.25;box-shadow:0 8px 22px #00000038;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);pointer-events:none}.struct-card .resize-handle{position:absolute;z-index:100;background:transparent;transition:background var(--transition-fast) ease}.struct-card .resize-handle:hover{background:#528bff38;border-radius:4px}.struct-card .resize-handle.n{top:-5px;left:5px;right:5px;height:10px;cursor:ns-resize}.struct-card .resize-handle.s{bottom:-5px;left:5px;right:5px;height:10px;cursor:ns-resize}.struct-card .resize-handle.e{right:-5px;top:5px;bottom:5px;width:10px;cursor:ew-resize}.struct-card .resize-handle.w{left:-5px;top:5px;bottom:5px;width:10px;cursor:ew-resize}.struct-card .resize-handle.ne{top:-8px;right:-8px;width:16px;height:16px;cursor:nesw-resize}.struct-card .resize-handle.nw{top:-8px;left:-8px;width:16px;height:16px;cursor:nwse-resize}.struct-card .resize-handle.se{bottom:-8px;right:-8px;width:16px;height:16px;cursor:nwse-resize}.struct-card .resize-handle.sw{bottom:-8px;left:-8px;width:16px;height:16px;cursor:nesw-resize}@keyframes card-size-readout-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.card-size-readout{position:absolute;z-index:4;padding:4px 8px;font-family:var(--mono);font-size:11px;font-weight:600;color:var(--accent-ink);background:var(--accent);border-radius:6px;box-shadow:0 4px 12px #00000047;pointer-events:none;-webkit-user-select:none;user-select:none;white-space:nowrap;animation:card-size-readout-in .1s ease-out}.card-size-readout.dir-se,.card-size-readout.dir-s,.card-size-readout.dir-e{bottom:-28px;right:-4px}.card-size-readout.dir-sw,.card-size-readout.dir-w{bottom:-28px;left:-4px}.card-size-readout.dir-ne,.card-size-readout.dir-n{top:-28px;right:-4px}.card-size-readout.dir-nw{top:-28px;left:-4px}.shape-toolbar-slot{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:40}.shape-toolbar-slot>.shape-toolbar{pointer-events:auto}.empty-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:84px 16px 24px;z-index:5;pointer-events:none}.empty{pointer-events:auto;text-align:center;color:var(--canvas-text-dim);max-width:580px;background:color-mix(in oklch,var(--surface) 65%,transparent);border:1px solid color-mix(in oklch,var(--border) 60%,transparent);border-radius:20px;padding:28px 40px;box-shadow:0 1px #ffffff0d inset,0 4px 12px #0000001a,0 20px 60px #00000059;backdrop-filter:blur(20px) saturate(120%);-webkit-backdrop-filter:blur(20px) saturate(120%);display:flex;flex-direction:column;align-items:center;gap:6px;animation:float-in .5s var(--spring-curve);position:relative}.empty:before{content:"";position:absolute;top:-10%;left:10%;right:10%;bottom:-10%;background:radial-gradient(circle,color-mix(in oklch,var(--accent) 15%,transparent) 0%,transparent 70%);z-index:-1;filter:blur(40px);pointer-events:none;opacity:.8}[data-theme=light] .empty{background:color-mix(in oklch,var(--surface) 80%,transparent);border-color:#1a1f2b14;box-shadow:0 1px #fff9 inset,0 4px 10px #1a1f2b08,0 16px 40px #1a1f2b14}@keyframes float-in{0%{opacity:0;transform:translateY(30px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.empty-graphic{width:52px;height:52px;background:var(--surface-2);border:1.5px solid var(--border-strong);border-radius:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 30px #0006,0 0 20px color-mix(in oklch,var(--accent) 18%,transparent);margin-bottom:4px;padding:9px;transition:all var(--transition-normal) var(--spring-curve);position:relative;overflow:visible}.empty-graphic:after{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;border-radius:18px;background:linear-gradient(135deg,#ffb454,#ff758f);z-index:-1;opacity:0;transition:opacity var(--transition-normal)}.empty-graphic:hover{transform:scale(1.1) rotate(6deg);border-color:transparent;box-shadow:0 12px 36px #00000073,0 0 30px color-mix(in oklch,var(--accent) 30%,transparent)}.empty-graphic:hover:after{opacity:.6}.empty-graphic svg{width:100%;height:100%;display:block;animation:empty-logo-float 5s ease-in-out infinite}@keyframes empty-logo-float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.empty-close-btn{position:absolute;top:14px;right:14px;width:22px;height:22px;border-radius:50%;background:transparent;border:none;color:var(--text-faint);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast) var(--spring-curve);padding:0;z-index:12}.empty-close-btn:hover{background:var(--surface-3);color:var(--text);transform:scale(1.08)}.empty-close-btn:active{transform:scale(.95)}.empty h2{font-size:22px;font-weight:800;margin:0 0 2px;color:var(--text);letter-spacing:-.03em;background:linear-gradient(135deg,var(--text) 30%,color-mix(in oklch,var(--text) 60%,var(--accent)) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.empty p{font-size:13px;line-height:1.55;margin:0 0 6px;color:var(--text-dim);max-width:440px}.empty-hint{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--text-faint)}.empty-hint .ico{color:var(--accent);flex-shrink:0}.empty-hint kbd{font-family:var(--mono);font-size:10.5px;padding:1px 5px;border:1px solid var(--border);border-radius:4px;background:var(--surface-2);color:var(--text-dim)}.empty-section-title{font-size:10px;font-weight:750;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin:10px 0 6px;display:flex;align-items:center;width:100%}.empty-section-title:after{content:"";height:1px;flex-grow:1;background:linear-gradient(to right,var(--border),transparent);margin-left:10px}.empty .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;text-align:left;width:100%}.empty .grid .add-chip{font-size:12px;padding:9px 16px;background:var(--surface-2);border-radius:10px;border:1px solid var(--border);font-weight:600;color:var(--text-dim);cursor:pointer;display:flex;align-items:center;gap:8px;transition:all var(--transition-fast) var(--spring-curve);box-shadow:0 1px 2px #00000026}.empty .grid .add-chip .ico{transition:transform var(--transition-fast) var(--spring-curve)}.empty .grid .add-chip:hover{background:var(--surface-3);border-color:var(--accent);color:var(--text);transform:translateY(-2px);box-shadow:0 6px 16px color-mix(in oklch,var(--accent) 12%,transparent),0 0 0 1px color-mix(in oklch,var(--accent) 25%,transparent)}.empty .grid .add-chip:hover .ico{transform:scale(1.15) rotate(-3deg)}.empty .grid .add-chip:active{transform:translateY(0) scale(.97)}.canvas.drag-active{box-shadow:inset 0 0 0 2px var(--accent);transition:box-shadow var(--transition-fast),background-color var(--transition-fast)}.canvas.drag-active:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at center,color-mix(in oklch,var(--accent) 4%,transparent) 0%,transparent 70%);pointer-events:none;z-index:1;animation:pulse-glow 2s infinite ease-in-out}@keyframes pulse-glow{0%,to{opacity:.4}50%{opacity:1}}.canvas.space-panning{cursor:grab!important}.canvas.space-panning:active{cursor:grabbing!important}.canvas-scrollbar{position:absolute;z-index:45;background:transparent;transition:opacity .3s ease,background-color .2s ease;opacity:0;-webkit-user-select:none;user-select:none}.canvas-scrollbar.visible{opacity:1}.canvas-scrollbar.horizontal{bottom:8px;left:8px;right:28px;height:12px;border-radius:6px}.canvas-scrollbar.vertical{right:8px;top:8px;bottom:28px;width:12px;border-radius:6px}.canvas-scrollbar:hover{background:color-mix(in oklch,var(--surface) 20%,transparent)}.canvas-scrollbar-thumb{position:absolute;background:color-mix(in oklch,var(--text-faint) 40%,transparent);border-radius:999px;transition:background-color .15s ease,width .15s ease,height .15s ease,top .15s ease,left .15s ease;cursor:pointer}.canvas-scrollbar.horizontal .canvas-scrollbar-thumb{top:3px;height:6px}.canvas-scrollbar.vertical .canvas-scrollbar-thumb{left:3px;width:6px}.canvas-scrollbar.horizontal:hover .canvas-scrollbar-thumb{top:1px;height:10px;background:color-mix(in oklch,var(--text-dim) 80%,transparent)}.canvas-scrollbar.vertical:hover .canvas-scrollbar-thumb{left:1px;width:10px;background:color-mix(in oklch,var(--text-dim) 80%,transparent)}.canvas-scrollbar-thumb.active{background:var(--accent)!important;box-shadow:0 0 8px color-mix(in oklch,var(--accent) 40%,transparent)}.zoom-controls{position:absolute;bottom:12px;right:12px;z-index:46;display:flex;align-items:center;gap:2px;padding:4px 6px;background:color-mix(in oklch,var(--surface) 78%,transparent);border:1px solid rgba(255,255,255,.08);border-radius:10px;backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);box-shadow:0 1px #ffffff0a inset,0 4px 16px #0000004d;opacity:0;transform:translateY(6px);transition:opacity .3s ease,transform .3s ease;pointer-events:none;-webkit-user-select:none;user-select:none}.zoom-controls.visible{opacity:1;transform:translateY(0);pointer-events:auto}[data-theme=light] .zoom-controls{background:color-mix(in oklch,var(--surface) 85%,transparent);border:1px solid rgba(26,31,43,.08);box-shadow:0 1px #ffffff80 inset,0 4px 12px #1a1f2b14}.zoom-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:7px;background:transparent;border:none;color:var(--text-dim);cursor:pointer;transition:all var(--transition-fast);padding:0}.zoom-btn:hover:not(:disabled){background:var(--surface-2);color:var(--text);transform:scale(1.05)}.zoom-btn:active:not(:disabled){transform:scale(.93);background:var(--surface-3)}.zoom-btn:disabled{opacity:.3;cursor:default}.zoom-pct{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:28px;border-radius:7px;background:transparent;border:none;color:var(--text-dim);font-family:var(--mono);font-size:11px;font-weight:650;cursor:pointer;transition:all var(--transition-fast);padding:0 6px;letter-spacing:-.02em}.zoom-pct:hover{background:var(--surface-2);color:var(--text)}.zoom-pct:active{transform:scale(.95)}.zoom-pct.active{color:var(--accent)}.zoom-divider{width:1px;height:16px;background:var(--border);margin:0 3px;border-radius:1px;opacity:.6}.shape-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:5;overflow:visible;pointer-events:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.shape-canvas.active{pointer-events:auto;touch-action:none}.shape-canvas.disabled{pointer-events:none}.shape-canvas.select{cursor:default}.shape-canvas.select.move{cursor:move}.shape-canvas.eraser{cursor:cell}.shape-canvas.draw{cursor:crosshair}.shape-canvas.text{cursor:text}.shape-canvas.hand{cursor:grab}.shape-canvas.hand.panning{cursor:grabbing}.tool-mode-chip{position:absolute;top:62px;left:50%;transform:translate(-50%);z-index:28;display:inline-flex;align-items:center;gap:8px;padding:5px 10px;font-size:11.5px;font-family:var(--mono);color:var(--text);background:color-mix(in oklch,var(--surface) 80%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid color-mix(in oklch,var(--accent) 35%,transparent);border-radius:999px;box-shadow:0 8px 22px #00000052;pointer-events:none;-webkit-user-select:none;user-select:none}.tool-mode-chip.locked{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 8px 22px #00000052}.tool-mode-chip-label{font-weight:600;letter-spacing:.02em}.tool-mode-chip-lock{text-transform:uppercase;font-size:9.5px;letter-spacing:.08em;color:var(--accent-ink);background:var(--accent);padding:1px 6px;border-radius:999px}.tool-mode-chip-hint{color:var(--text-dim)}.dt-btn.locked:after{content:"";position:absolute;top:3px;right:3px;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 1.5px var(--accent-ink)}.dt-btn{position:relative}.shape-marquee{fill:color-mix(in oklch,var(--accent),transparent 92%);stroke:color-mix(in oklch,var(--accent) 55%,transparent);stroke-width:1;stroke-dasharray:4 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scale(.92)}20%{opacity:1;transform:translate(-50%,-12px) scale(1)}80%{opacity:1;transform:translate(-50%,-12px) scale(1)}to{opacity:0;transform:translate(-50%,-20px) scale(.98)}}.connection-toast{position:absolute;z-index:27;display:inline-flex;align-items:center;gap:6px;padding:5px 10px;font-family:var(--mono);font-size:11px;color:var(--text);background:color-mix(in oklch,var(--surface) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid color-mix(in oklch,var(--accent) 45%,transparent);border-radius:999px;box-shadow:0 6px 18px #00000057;pointer-events:none;-webkit-user-select:none;user-select:none;white-space:nowrap;transform:translate(-50%,-12px);animation:connection-toast-in 1.6s ease-out forwards}.connection-toast-from,.connection-toast-to{color:var(--text);font-weight:600}.connection-toast-arrow{color:color-mix(in oklch,var(--accent) 80%,var(--text-dim))}.inspector{position:fixed;top:10px;right:10px;bottom:10px;width:290px;background:color-mix(in oklch,var(--surface) 76%,transparent);backdrop-filter:blur(20px) saturate(155%);-webkit-backdrop-filter:blur(20px) saturate(155%);border:1px solid rgba(255,255,255,.08);border-radius:14px;display:flex;flex-direction:column;overflow:hidden;z-index:200;box-shadow:0 1px #ffffff0f inset,0 16px 44px #00000073,0 0 20px color-mix(in oklch,var(--accent) 3%,transparent);animation:insp-in .3s var(--spring-curve);transition:background-color var(--transition-normal),border-color var(--transition-normal)}[data-theme=light] .inspector{background:color-mix(in oklch,var(--surface) 82%,transparent);border:1px solid rgba(26,31,43,.08);box-shadow:0 1px #fff9 inset,0 8px 32px #1a1f2b1a}@keyframes insp-in{0%{opacity:0;transform:translate(24px) scale(.97)}to{opacity:1;transform:translate(0) scale(1)}}.insp-close{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--text-faint);width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);cursor:pointer;flex-shrink:0;transition:var(--transition-fast)}.insp-close:hover{color:var(--text);background:var(--surface-2);transform:rotate(90deg) scale(1.1)}.insp-close:active{transform:rotate(90deg) scale(.9)}.insp-hd{padding:16px 14px 10px;border-bottom:1px solid var(--border)}.insp-hd .title{display:flex;align-items:center;justify-content:space-between;gap:8px}.insp-hd .title input{background:transparent;border:0;padding:0;font-size:14px;font-weight:600;color:var(--text);outline:none;flex:1;min-width:0;border-bottom:1px dashed transparent;transition:border-bottom-color var(--transition-fast)}.insp-hd .title input:focus{border-bottom-color:var(--accent)}.insp-hd 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var(--transition-fast)}.op-btn .lbl-t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}.op-btn:hover:not(:disabled){background:var(--surface-3);border-color:var(--accent);transform:translateY(-1px)}.op-btn:hover:not(:disabled) .ico{color:var(--accent)}.op-btn:active:not(:disabled){transform:translateY(0) scale(.97)}.op-btn.wide{grid-column:1 / -1}.op-btn:disabled{opacity:.35;cursor:not-allowed}.op-chip{display:flex;align-items:stretch;min-width:0;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);overflow:hidden;transition:var(--transition-fast)}.op-chip.wide{grid-column:1 / -1}.op-chip:hover:not(.is-disabled){border-color:var(--accent);transform:translateY(-1px)}.op-chip .op-btn-main{flex:1;border:0;background:transparent;border-radius:0;padding-right:6px}.op-chip .op-btn-main:hover:not(:disabled){background:var(--surface-3);transform:none}.op-sim-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-left:1px solid var(--border);background:transparent;width:28px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-faint);cursor:pointer;transition:var(--transition-fast)}.op-sim-btn:hover:not(:disabled){background:color-mix(in oklch,var(--accent) 12%,transparent);color:var(--accent)}.op-sim-btn:disabled{opacity:.35;cursor:not-allowed}.op-chip.is-disabled{opacity:.5}.toast .toast-action{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--surface-2);color:var(--text);padding:3px 10px;border-radius:6px;font-size:11px;font-weight:600;letter-spacing:.01em;cursor:pointer;margin-left:6px;transition:var(--transition-fast)}.toast .toast-action:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field .field-lbl{font-size:11px;color:var(--text-dim);font-weight:550}.field input,.field textarea,.field select{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;font-size:12px;font-family:var(--mono);color:var(--text);outline:none;width:100%;transition:var(--transition-fast)}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 15%,transparent)}.field textarea{min-height:76px;resize:vertical}.field .row{display:grid;grid-template-columns:1fr 1fr;gap:6px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--surface-2);color:var(--text);padding:8px 14px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:var(--transition-fast)}.btn:hover{background:var(--surface-3);border-color:var(--border-strong);transform:translateY(-1px)}.btn:active{transform:translateY(0) scale(.97)}.btn .ico{width:13px;height:13px}.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);box-shadow:0 2px 8px color-mix(in oklch,var(--accent) 20%,transparent)}.btn-primary:hover{background:color-mix(in oklch,var(--accent),white 8%);border-color:color-mix(in oklch,var(--accent),white 8%);box-shadow:0 4px 12px color-mix(in oklch,var(--accent) 30%,transparent)}.btn-ghost{background:transparent;border-color:transparent;color:var(--text-dim)}.btn-ghost:hover{color:var(--text);background:var(--surface-2)}.raw-editor-trigger{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid color-mix(in oklch,var(--accent) 12%,var(--border));background:linear-gradient(180deg,color-mix(in oklch,white 4%,transparent),transparent),color-mix(in oklch,var(--canvas-bg) 18%,var(--surface-2));color:var(--text);width:100%;min-height:54px;padding:10px;border-radius:var(--radius-sm);display:flex;align-items:center;gap:10px;text-align:left;cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.raw-editor-trigger:hover{border-color:color-mix(in oklch,var(--accent) 52%,var(--border));background:color-mix(in oklch,var(--accent) 7%,var(--surface-2));box-shadow:0 8px 18px color-mix(in oklch,var(--accent) 8%,transparent);transform:translateY(-1px)}.raw-editor-trigger-icon{width:30px;height:30px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;color:var(--accent);background:color-mix(in oklch,var(--accent) 12%,transparent);border:1px solid color-mix(in oklch,var(--accent) 22%,transparent);flex-shrink:0}.raw-editor-trigger-copy{display:flex;flex-direction:column;gap:2px;min-width:0}.raw-editor-trigger-copy span{font-size:12px;font-weight:700}.raw-editor-trigger-copy small{color:var(--text-faint);font-size:10.5px;font-weight:600}.raw-editor-panel{border:1px solid color-mix(in oklch,var(--accent) 14%,var(--border));border-radius:var(--radius-sm);background:color-mix(in oklch,var(--canvas-bg) 16%,var(--surface-2));overflow:hidden;box-shadow:0 1px color-mix(in oklch,white 5%,transparent) inset}.raw-editor-topline{min-height:34px;padding:0 8px 0 11px;display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--text-dim);border-bottom:1px solid var(--border);font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.raw-editor-panel textarea{display:block;width:100%;min-height:190px;max-height:360px;resize:vertical;border:0;border-radius:0;border-bottom:1px solid var(--border);background:radial-gradient(circle at 0 0,color-mix(in oklch,var(--accent) 8%,transparent),transparent 42%),color-mix(in oklch,var(--canvas-bg) 28%,var(--surface));color:var(--text);padding:12px;font-family:var(--mono);font-size:12px;line-height:1.6;-moz-tab-size:2;tab-size:2}.raw-editor-panel textarea:focus{box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 12%,transparent) inset}.raw-editor-error{padding:8px 10px;border-bottom:1px solid color-mix(in oklch,var(--danger) 38%,var(--border));color:var(--danger);background:color-mix(in oklch,var(--danger) 8%,transparent);font-size:11.5px;line-height:1.35}.raw-editor-actions{display:flex;justify-content:flex-end;gap:7px;padding:9px}.raw-editor-actions .btn{min-width:78px}.raw-editor-close{width:24px;height:24px;padding:0}.advanced-drawer{margin-top:16px;border-top:1px solid var(--border);transition:all var(--transition-normal)}.advanced-drawer.expanded{background:color-mix(in oklch,var(--surface-2) 35%,transparent)}.advanced-drawer-toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;width:100%;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;color:var(--text-dim);font-size:11px;font-weight:650;letter-spacing:.03em;cursor:pointer;transition:all var(--transition-fast)}.advanced-drawer-toggle:hover{background:var(--surface-2);color:var(--text)}.advanced-drawer-toggle .ico{color:var(--text-faint);transition:transform var(--transition-normal) var(--spring-curve)}.advanced-drawer-toggle:hover .ico{color:var(--accent)}.advanced-drawer-toggle .chev{transition:transform .25s var(--spring-curve)}.advanced-drawer-toggle .chev.expanded{transform:rotate(90deg);color:var(--accent)}.advanced-drawer-content{animation:drawer-slide-down .25s var(--spring-curve)}@keyframes drawer-slide-down{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.inspector-resize-handle{position:absolute;top:0;left:0;bottom:0;width:6px;cursor:ew-resize;z-index:10;transition:background-color .2s}.inspector-resize-handle:hover,.inspector-resize-handle.active{background:color-mix(in oklch,var(--accent) 30%,transparent)}.app{--code-dock-width: 520px;--code-dock-bg: color-mix(in oklch, var(--canvas-bg) 78%, var(--surface) 22%);--code-dock-panel: color-mix(in oklch, var(--canvas-bg) 64%, var(--surface) 36%);--code-dock-panel-2: color-mix(in oklch, var(--canvas-bg) 52%, var(--surface-2) 48%);--code-dock-border: color-mix(in oklch, var(--accent) 13%, var(--border));--cm-bg: color-mix(in oklch, var(--canvas-bg) 84%, var(--surface) 16%);--cm-gutter-bg: color-mix(in oklch, var(--canvas-bg) 74%, var(--surface) 26%);--cm-foreground: color-mix(in oklch, var(--text) 92%, var(--accent) 8%);--cm-muted: color-mix(in oklch, var(--text-faint) 82%, var(--canvas-bg) 18%);--cm-border: color-mix(in oklch, var(--accent) 12%, var(--border));--cm-active-line-bg: color-mix(in oklch, var(--accent) 7%, transparent);--cm-active-gutter-bg: color-mix(in oklch, var(--accent) 10%, transparent);--cm-trace-line-bg: color-mix(in oklch, var(--accent) 13%, transparent);--cm-selection-bg: color-mix(in oklch, var(--accent) 27%, transparent);--cm-comment: color-mix(in oklch, var(--text-faint) 80%, var(--canvas-bg) 20%);--cm-keyword: color-mix(in oklch, var(--visited) 72%, var(--accent) 28%);--cm-string: color-mix(in oklch, var(--success) 86%, var(--text) 14%);--cm-number: color-mix(in oklch, var(--accent) 76%, var(--compare) 24%);--cm-function: color-mix(in oklch, var(--compare) 82%, var(--text) 18%);--cm-type: color-mix(in oklch, var(--visited) 78%, var(--text) 22%);--cm-variable: color-mix(in oklch, var(--text) 82%, var(--danger) 18%);--cm-tag: color-mix(in oklch, var(--danger) 76%, var(--accent) 24%);--cm-punctuation: color-mix(in oklch, var(--text-dim) 82%, var(--accent) 18%)}.app.code-dock-open .main{margin-right:var(--code-dock-width)}.app.code-dock-open .inspector{right:calc(var(--code-dock-width) + 20px)}.code-dock{position:fixed;top:0;right:0;bottom:0;width:var(--code-dock-width);z-index:160;display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--code-dock-bg);border-left:1px solid var(--code-dock-border);box-shadow:-18px 0 42px #00000042}.code-dock-resize-handle{position:absolute;top:0;bottom:0;left:-5px;width:10px;z-index:3;cursor:ew-resize;touch-action:none}.code-dock-resize-handle:after{content:"";position:absolute;top:0;bottom:0;left:4px;width:2px;background:transparent;transition:background-color var(--transition-fast),box-shadow var(--transition-fast)}.code-dock-resize-handle:hover:after{background:var(--accent);box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 12%,transparent)}[data-theme=light] .code-dock{--code-dock-bg: color-mix(in oklch, var(--canvas-bg) 72%, var(--surface) 28%);--code-dock-panel: color-mix(in oklch, var(--canvas-bg) 58%, var(--surface) 42%);--code-dock-panel-2: color-mix(in oklch, var(--canvas-bg) 62%, var(--surface-2) 38%);--code-dock-border: color-mix(in oklch, var(--accent) 14%, var(--border));--cm-bg: color-mix(in oklch, var(--canvas-bg) 78%, white 22%);--cm-gutter-bg: color-mix(in oklch, var(--canvas-bg) 68%, var(--surface-2) 32%);--cm-foreground: color-mix(in oklch, var(--text) 94%, var(--accent) 6%);--cm-muted: color-mix(in oklch, var(--text-faint) 84%, var(--canvas-bg) 16%);--cm-border: color-mix(in oklch, var(--accent) 12%, var(--border));--cm-active-line-bg: color-mix(in oklch, var(--accent) 8%, transparent);--cm-active-gutter-bg: color-mix(in oklch, var(--accent) 11%, transparent);--cm-trace-line-bg: color-mix(in oklch, var(--accent) 14%, transparent);--cm-selection-bg: color-mix(in oklch, var(--accent) 22%, transparent);--cm-comment: color-mix(in oklch, var(--text-faint) 90%, var(--canvas-bg) 10%);--cm-keyword: color-mix(in oklch, var(--visited) 70%, var(--accent) 30%);--cm-string: color-mix(in oklch, var(--success) 78%, var(--text) 22%);--cm-number: color-mix(in oklch, var(--accent) 72%, var(--compare) 28%);--cm-function: color-mix(in oklch, var(--compare) 78%, var(--text) 22%);--cm-type: color-mix(in oklch, var(--visited) 76%, var(--text) 24%);--cm-variable: color-mix(in oklch, var(--text) 86%, var(--danger) 14%);--cm-tag: color-mix(in oklch, var(--danger) 72%, var(--accent) 28%);--cm-punctuation: color-mix(in oklch, var(--text-dim) 86%, var(--accent) 14%);box-shadow:-12px 0 30px #1a1f2b14}.code-dock-header{height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 14px 0 16px;border-bottom:1px solid var(--code-dock-border);background:var(--code-dock-panel);flex-shrink:0}.code-dock-title{display:flex;align-items:center;gap:10px;min-width:0}.code-dock-icon{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);color:var(--accent);background:color-mix(in oklch,var(--accent) 12%,transparent);border:1px solid color-mix(in oklch,var(--accent) 20%,transparent);flex-shrink:0}.code-dock-name{min-width:0;display:flex;flex-direction:column;gap:2px}.code-dock-name span{color:var(--text);font-size:13px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.code-dock-name small{color:var(--text-faint);font-family:var(--mono);font-size:10.5px}.code-dock-actions{display:flex;align-items:center;gap:7px;flex-shrink:0}.code-dock-language{height:30px;max-width:132px;border:1px solid var(--code-dock-border);border-radius:var(--radius-sm);background:var(--code-dock-panel-2);color:var(--text);font-size:11.5px;font-weight:650;padding:0 8px;outline:none}.code-dock-language:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 15%,transparent)}.code-dock-icon-btn{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--code-dock-border);border-radius:var(--radius-sm);background:var(--code-dock-panel-2);color:var(--text-dim);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}.code-dock-icon-btn:hover{border-color:var(--accent);color:var(--text);background:var(--surface-3);transform:translateY(-1px)}.code-dock-file-tabs{min-height:42px;display:flex;align-items:flex-end;gap:4px;overflow-x:auto;overflow-y:hidden;padding:6px 10px 0;border-bottom:1px solid var(--code-dock-border);background:color-mix(in oklch,var(--code-dock-panel) 80%,var(--canvas-bg) 20%);flex-shrink:0;scrollbar-width:thin}.code-dock-file-tab{min-width:118px;max-width:190px;height:34px;display:flex;align-items:center;border:1px solid transparent;border-bottom:0;border-radius:8px 8px 0 0;background:transparent;color:var(--text-faint);flex:0 0 auto}.code-dock-file-tab.active{background:var(--code-dock-panel-2);border-color:var(--code-dock-border);color:var(--text)}.code-dock-file-tab-main{-webkit-appearance:none;-moz-appearance:none;appearance:none;min-width:0;height:100%;flex:1;display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;color:inherit;padding:0 7px 0 9px;cursor:pointer;font-size:11.5px;font-weight:700}.code-dock-file-tab-main span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.code-dock-file-tab-main small{color:var(--text-faint);font-family:var(--mono);font-size:10px;font-weight:650}.code-dock-file-tab.active .code-dock-file-tab-main .ico{color:var(--accent)}.code-dock-file-tab-close{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--text-faint);width:26px;height:100%;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;cursor:pointer;flex-shrink:0}.code-dock-file-tab-close:hover{color:var(--danger);background:color-mix(in oklch,var(--danger) 10%,transparent)}.code-dock-sourcebar{height:40px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;border-bottom:1px solid var(--code-dock-border);background:var(--code-dock-panel-2);flex-shrink:0}.code-dock-tab{height:100%;display:inline-flex;align-items:center;gap:7px;color:var(--text-dim);font-size:12px;font-weight:700;border-bottom:2px solid transparent}.code-dock-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.code-dock-run-state{min-width:0;color:var(--text-faint);font-family:var(--mono);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.code-dock-run-state.playing{color:var(--accent)}.code-dock-editor{flex:1;min-height:0;overflow:hidden;background:var(--cm-bg)}.code-dock-loading{align-items:center;justify-content:center}.code-loading-spinner{width:24px;height:24px;border-radius:50%;border:2px solid color-mix(in oklch,var(--accent) 18%,transparent);border-top-color:var(--accent);animation:code-loading-spin .8s linear infinite}@keyframes code-loading-spin{to{transform:rotate(360deg)}}.code-editor{height:100%;width:100%}.code-editor .cm-editor{height:100%}.code-editor .cm-scroller{overflow:auto}.code-editor .cm-foldGutter,.code-editor .cm-gutter.cm-lineNumbers{-webkit-user-select:none;user-select:none}@media (max-width: 960px){.app.code-dock-open .main{margin-right:0;margin-bottom:min(52vh,460px)}.app.code-dock-open .inspector{right:10px;bottom:calc(min(52vh,460px) + 12px)}.code-dock{top:auto;left:0;width:auto;height:min(52vh,460px);border-left:0;border-top:1px solid var(--border);box-shadow:0 -16px 36px #00000042}.code-dock-resize-handle{display:none}}@media (max-width: 620px){.code-dock-header{height:auto;min-height:58px;align-items:flex-start;flex-direction:column;padding:10px 12px}.code-dock-actions{width:100%}.code-dock-language{flex:1;max-width:none}}.playback{position:absolute;left:16px;right:16px;bottom:20px;background:color-mix(in oklch,var(--surface) 78%,transparent);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:8px 12px 8px 6px;display:grid;grid-template-columns:auto auto minmax(0,auto) auto minmax(0,1fr) auto auto auto auto;grid-template-rows:auto auto;grid-template-areas:"drag controls label step scrub speed replay apply cancel" "msg  msg      msg   msg  msg   msg   msg    msg   msg";align-items:center;gap:8px;box-shadow:0 1px #ffffff0f inset,0 12px 40px #00000080,0 0 30px color-mix(in oklch,var(--accent) 5%,transparent);max-width:960px;width:auto;z-index:100;transition:border-color var(--transition-normal),box-shadow var(--transition-normal),opacity var(--transition-normal)}.playback.is-dragging{cursor:grabbing;-webkit-user-select:none;user-select:none}.app.inspector-open .playback:not(.is-free){right:calc(var(--inspector-width, 320px) + 16px)}[data-theme=light] .playback{background:color-mix(in oklch,var(--surface) 84%,transparent);border:1px solid rgba(26,31,43,.08);box-shadow:0 1px #fff9 inset,0 8px 30px #1a1f2b1f,0 0 20px color-mix(in oklch,var(--accent) 3%,transparent)}.playback.playback-pill{display:inline-flex;align-items:center;gap:8px;min-width:0;max-width:none;padding:6px 12px 6px 6px;cursor:pointer;grid-template-columns:none;grid-template-rows:none;grid-template-areas:none}.pb-pill-label{font-family:var(--mono);font-size:11.5px;color:var(--text);letter-spacing:-.01em;max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pb-drag{grid-area:drag;width:14px;height:28px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;cursor:grab;opacity:.35;transition:opacity var(--transition-fast)}.pb-drag:hover{opacity:.85}.pb-drag:active{cursor:grabbing}.pb-drag span{width:4px;height:4px;border-radius:50%;background:var(--text-dim)}.pb-controls{grid-area:controls;display:inline-flex;align-items:center;gap:4px}.pb-label{grid-area:label;font-family:var(--mono);font-size:11.5px;color:var(--text);letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.playback .pb-step{grid-area:step;font-family:var(--mono);font-size:11px;color:var(--text-dim);font-variant-numeric:tabular-nums;background:var(--surface-2);padding:3px 6px;border-radius:4px;border:1px solid var(--border);white-space:nowrap}.playback.playback-pill .pb-step{grid-area:auto}.pb-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;color:var(--text);cursor:pointer;transition:var(--transition-fast)}.pb-btn:hover{background:var(--surface-2);transform:translateY(-1px) scale(1.05)}.pb-btn:active{transform:translateY(0) scale(.95)}.pb-btn.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 4px 12px color-mix(in oklch,var(--accent) 30%,transparent)}.pb-btn.primary:hover{background:color-mix(in oklch,var(--accent),white 8%);box-shadow:0 6px 16px color-mix(in oklch,var(--accent) 40%,transparent)}.pb-btn.apply{background:var(--success, #2bb86b);color:#fff;box-shadow:0 4px 12px color-mix(in oklch,#2bb86b 30%,transparent);animation:pb-apply-pulse 1.8s ease-in-out infinite}.pb-btn.apply:hover{background:color-mix(in oklch,#2bb86b,white 8%)}.pb-btn .ico{width:14px;height:14px}.pb-cancel{grid-area:cancel;opacity:.55}.pb-cancel:hover{opacity:1;color:var(--danger, #e85f5f)}.pb-apply-btn{grid-area:apply;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:8px;background:var(--success, #2bb86b);color:#fff;font-family:var(--font-sans, inherit);font-size:12px;font-weight:600;letter-spacing:-.005em;cursor:pointer;box-shadow:0 4px 12px color-mix(in oklch,#2bb86b 28%,transparent);transition:var(--transition-fast);animation:pb-apply-pulse 1.8s ease-in-out infinite}.pb-apply-btn:hover{background:color-mix(in oklch,#2bb86b,white 10%);transform:translateY(-1px)}@keyframes pb-apply-pulse{0%,to{box-shadow:0 4px 12px color-mix(in oklch,#2bb86b 28%,transparent)}50%{box-shadow:0 4px 18px color-mix(in oklch,#2bb86b 55%,transparent)}}.pb-scrub{grid-area:scrub;position:relative;height:28px;display:flex;align-items:center;cursor:pointer;padding:0 6px;min-width:140px;outline:none}.pb-scrub:focus-visible .pb-scrub-thumb{box-shadow:0 0 0 3px color-mix(in oklch,var(--accent) 35%,transparent)}.pb-scrub-track{position:relative;width:100%;height:6px;background:var(--surface-2);border:1px solid var(--border);border-radius:999px}.pb-scrub-fill{position:absolute;top:0;left:0;height:100%;background:linear-gradient(90deg,color-mix(in oklch,var(--accent) 70%,transparent),var(--accent));border-radius:999px;transition:width 80ms linear}.pb-scrub-tick{position:absolute;top:50%;width:2px;height:8px;background:color-mix(in oklch,var(--text-dim) 55%,transparent);border-radius:1px;transform:translate(-50%,-50%);pointer-events:none}.pb-scrub-thumb{position:absolute;top:50%;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid var(--surface);transform:translate(-50%,-50%);box-shadow:0 2px 6px #00000059;transition:width .12s ease,height .12s ease,box-shadow .12s ease}.pb-scrub:hover .pb-scrub-thumb{width:14px;height:14px}.pb-scrub-tip{position:absolute;bottom:calc(100% + 8px);transform:translate(-50%);background:var(--surface-3, #1a1f2b);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-size:10.5px;font-family:var(--mono);white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:8px;pointer-events:none;box-shadow:0 6px 18px #00000059;z-index:2}.pb-scrub-tip-step{color:var(--text-dim);font-variant-numeric:tabular-nums}.pb-scrub-tip-msg{color:var(--text)}.pb-speed-wrap{grid-area:speed;position:relative}.pb-speed-chip{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--surface-2);color:var(--text);padding:4px 8px;border-radius:6px;font-size:11px;font-family:var(--mono);font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:4px;transition:var(--transition-fast)}.pb-speed-chip:hover{background:var(--surface-3, var(--surface-2))}.pb-speed-caret{font-size:9px;opacity:.6}.pb-speed-menu{position:absolute;bottom:calc(100% + 6px);right:0;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:4px;display:flex;flex-direction:column;min-width:64px;box-shadow:0 8px 24px #0006;z-index:3}.pb-speed-menu button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;padding:5px 10px;font-size:11px;font-family:var(--mono);font-weight:600;color:var(--text);border-radius:4px;cursor:pointer;text-align:left;transition:var(--transition-fast)}.pb-speed-menu button:hover{background:var(--surface-2)}.pb-speed-menu button.on{background:var(--accent);color:var(--accent-ink)}.playback .pb-msg{grid-area:msg;font-family:var(--mono);font-size:11px;color:var(--text-dim);letter-spacing:-.01em;line-height:1.45;padding-left:56px;padding-right:8px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.struct-card.playing{outline:2px solid color-mix(in oklch,var(--accent) 65%,transparent);outline-offset:4px;border-radius:12px;animation:pb-live-glow 2.4s ease-in-out infinite}@keyframes pb-live-glow{0%,to{outline-color:color-mix(in oklch,var(--accent) 45%,transparent)}50%{outline-color:color-mix(in oklch,var(--accent) 80%,transparent)}}.cell{min-width:56px;width:auto;height:56px;padding:0 10px;box-sizing:border-box;display:flex;align-items:center;justify-content:center;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:8px;font-family:var(--mono);font-size:14px;color:var(--text);position:relative;white-space:nowrap;font-variant-numeric:tabular-nums;transition:transform var(--transition-fast),background-color var(--transition-normal),border-color var(--transition-normal),box-shadow var(--transition-normal);box-shadow:0 2px 6px #00000026}.cell:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:0 4px 12px #00000038}.cell input{background:transparent;border:0;padding:0;width:auto;height:100%;field-sizing:content;min-width:1.5ch;max-width:22ch;text-align:center;font:inherit;color:inherit;outline:none}.cell .idx{position:absolute;top:-18px;left:0;right:0;text-align:center;font-size:9.5px;font-weight:600;color:var(--text-faint);font-family:var(--mono)}.cell.compare{border-color:var(--compare);background:color-mix(in oklch,var(--compare) 20%,var(--surface-2));color:var(--compare);animation:pulse-glow-compare 1.5s infinite}.cell.active{border-color:var(--accent);background:color-mix(in oklch,var(--accent) 24%,var(--surface-2));color:var(--accent);animation:pulse-glow-active 1.5s infinite}.cell.found,.cell.sorted{border-color:var(--success);background:color-mix(in oklch,var(--success) 22%,var(--surface-2));color:var(--success);animation:pulse-glow-found 1.5s infinite}.cell.visited{border-color:var(--visited);background:color-mix(in oklch,var(--visited) 18%,var(--surface-2));color:var(--visited);animation:pulse-glow-visited 1.8s infinite}.cell.dim{opacity:.45}.arr{display:flex;gap:6px;padding:28px 0 12px}.arr .cell{cursor:text}.arr-controls{display:flex;gap:8px;justify-content:center;margin-top:8px;color:var(--text-faint);font-size:11px;font-family:var(--mono)}.arr-add{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border-strong);border-radius:6px;color:var(--text-faint);cursor:pointer}.arr-add:hover{color:var(--accent);border-color:var(--accent)}.matrix-wrap{display:flex;flex-direction:column;gap:4px;padding:24px}.matrix-row{display:flex;gap:4px}.matrix-wrap .cell{min-width:52px;width:auto;height:52px;font-size:13px}.matrix-corner-btn{width:52px;height:26px;border:1px dashed var(--border-strong);border-radius:5px;display:flex;align-items:center;justify-content:center;color:var(--text-faint);cursor:pointer}.matrix-corner-btn:hover{color:var(--accent);border-color:var(--accent)}.matrix-corner-btn.tall{width:26px;height:52px}.matrix-controls-col,.matrix-controls-row{display:flex;gap:4px}.matrix-controls-col{flex-direction:column}.graph-wrap{width:100%;height:100%;max-width:100%;min-height:250px;position:relative;background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden}.graph-wrap:focus{outline:none}.graph-svg{display:block;width:100%;height:100%}.gv-node 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var(--spring-curve);font-family:var(--sans)}[data-theme=light] .cmd-card{background:color-mix(in oklch,var(--surface) 94%,transparent);border:1px solid var(--border-strong);box-shadow:0 1px #fffc inset,0 16px 48px #1a1f2b2e}@keyframes cmd-pop{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.cmd-card.cmd-anchored{position:fixed;z-index:410}.cmd-card.cmd-centered{position:relative}.cmd-search{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border);background:color-mix(in oklch,var(--surface-2) 30%,transparent)}.cmd-search .ico{color:var(--text-faint);flex-shrink:0}.cmd-input{flex:1;min-width:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;font-weight:500;letter-spacing:-.005em}.cmd-input::placeholder{color:var(--text-faint);font-weight:400}.cmd-trigger-tag{flex-shrink:0;padding:3px 8px;font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.04em;color:var(--text-dim);background:var(--surface-2);border:1px solid var(--border);border-radius:6px}.cmd-list{overflow-y:auto;flex:1;padding:6px 6px 8px;scroll-padding-block:32px}.cmd-group+.cmd-group{margin-top:4px}.cmd-group-label{padding:10px 12px 4px;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint)}.cmd-empty{padding:28px 16px;text-align:center;color:var(--text-dim);font-size:12.5px;font-family:var(--mono)}.cmd-row{display:flex;align-items:center;gap:12px;width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;padding:8px 10px;border-radius:8px;color:var(--text);text-align:left;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast)}.cmd-row:focus{outline:none}.cmd-row.is-active{background:color-mix(in oklch,var(--accent) 14%,transparent);box-shadow:inset 0 0 0 1px color-mix(in oklch,var(--accent) 30%,transparent)}.cmd-row.is-active .cmd-row-icon{background:color-mix(in oklch,var(--accent) 22%,var(--surface-2));border-color:color-mix(in oklch,var(--accent) 40%,transparent);color:var(--accent)}.cmd-row-icon{flex-shrink:0;width:32px;height:32px;border-radius:8px;background:var(--surface-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast)}.cmd-row-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.cmd-row-title{font-size:13px;font-weight:600;color:var(--text);letter-spacing:-.005em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cmd-row-desc{font-size:11.5px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cmd-row-group{flex-shrink:0;font-size:10px;font-weight:600;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;padding:2px 7px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border)}.cmd-footer{display:flex;align-items:center;gap:12px;padding:8px 12px;border-top:1px solid var(--border);background:color-mix(in oklch,var(--surface-2) 40%,transparent);font-size:10.5px;color:var(--text-faint)}.cmd-spacer{flex:1}.cmd-hint{display:inline-flex;align-items:center;gap:4px}.cmd-hint kbd{display:inline-flex;align-items:center;justify-content:center;min-width:16px;padding:1px 5px;font-family:var(--mono);font-size:10px;font-weight:600;color:var(--text-dim);background:var(--surface-2);border:1px solid var(--border);border-bottom-width:2px;border-radius:4px}.cmd-hint-faint{color:var(--text-faint);font-family:var(--mono)}.cmd-list::-webkit-scrollbar{width:8px}.cmd-list::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:99px;border:2px solid transparent;background-clip:content-box}