@keyframes scrolltop-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}*{box-sizing:border-box}.canvas,.hud,.panel,.topbar{-webkit-user-select:none;user-select:none}.move-chip,.move-field,.move-input-hint,.move-list,.solver-status{-webkit-user-select:text;user-select:text}:focus-visible{outline-offset:2px;outline:2px solid #38bdf8}button{font:inherit;color:inherit}.cube-app-viewport{isolation:isolate;z-index:1;color:#0f172a;background:radial-gradient(circle,#fff 0%,#f1f5f9 60%,#cbd5e1 100%);border:1px solid #0000001a;border-radius:20px;flex-direction:column;width:100%;height:650px;min-height:520px;display:flex;position:relative;overflow:hidden;box-shadow:0 20px 40px #00000014,0 4px 12px #0000000a}.topbarHost{z-index:30;flex-shrink:0;width:100%;position:relative;pointer-events:auto!important}.topbar{-webkit-backdrop-filter:blur(14px);background:#ffffffe0;border-bottom:1px solid #00000014;flex-flow:wrap;justify-content:space-between;align-items:center;gap:10px;width:100%;padding:8px 14px;display:flex;position:relative;pointer-events:auto!important}.bar-brand-row{align-items:center;display:flex}.brand{color:#0f172a;white-space:nowrap;letter-spacing:-.01em;font-size:1.05rem;font-weight:800;text-decoration:none}.brand-tld{color:#0284c7;font-weight:600}.bar-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.bar-label{color:#64748b;font-size:.8rem;font-weight:600}.bar-btn,.bar-select{color:#0f172a;cursor:pointer;white-space:nowrap;background-color:#f1f5f9e6;border:1px solid #0000001f;border-radius:8px;justify-content:center;align-items:center;height:32px;padding:0 12px;font-family:inherit;font-size:.82rem;font-weight:600;text-decoration:none;transition:all .18s cubic-bezier(.4,0,.2,1);display:inline-flex;box-shadow:0 1px 3px #0000000d;pointer-events:auto!important}.bar-select option{color:#0f172a;background-color:#fff}.bar-select{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%230f172a' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>");background-position:right 8px center;background-repeat:no-repeat;background-size:10px 6px;padding-right:28px}.bar-btn:hover,.bar-select:hover{background-color:#e2e8f0;border-color:#0003;transform:translateY(-1px)}.bar-btn-fullscreen{background:linear-gradient(135deg,#2563eb,#1d4ed8);border-color:#2563eb66;font-weight:700;box-shadow:0 3px 10px #2563eb40;color:#fff!important}.bar-btn-fullscreen:hover{background:linear-gradient(135deg,#3b82f6,#2563eb);transform:translateY(-1px);box-shadow:0 4px 14px #2563eb66}.viewport-body{flex:1;width:100%;position:relative;overflow:hidden}.canvasHost,.canvas{touch-action:none;display:block;width:100%!important;height:100%!important}.ui{z-index:10;position:absolute;inset:0;pointer-events:none!important}.ui>*{pointer-events:auto!important}.hud{z-index:10;justify-items:start;gap:8px;display:grid;position:absolute;top:12px;left:14px;pointer-events:auto!important}.hud-label{text-transform:uppercase;letter-spacing:.08em;color:#64748b;margin-right:8px;font-size:.75rem;font-weight:700;display:inline-block}.hud-history,.hud-readout,.hud-speed{-webkit-backdrop-filter:blur(10px);color:#0f172a;background:#ffffffe0;border:1px solid #0000001a;border-radius:8px;padding:8px 12px;box-shadow:0 4px 12px #0000000f;pointer-events:auto!important}.hud-readout:empty{display:none}.speed-slider{vertical-align:middle;accent-color:#0284c7;cursor:pointer;width:120px;pointer-events:auto!important}.speed-value{color:#0284c7;min-width:60px;margin-left:8px;font-size:.85rem;font-weight:700;display:inline-block}.icon-btn{cursor:pointer;color:#0f172a;background:#f1f5f9e6;border:1px solid #0000001f;border-radius:8px;width:38px;height:38px;margin-right:6px;font-size:1.1rem;font-weight:700;transition:all .15s;box-shadow:0 2px 5px #0000000d;pointer-events:auto!important}.icon-btn:last-child{margin-right:0}.icon-btn:hover:not(:disabled){color:#fff;background-color:#2563eb;border-color:#3b82f6;transform:translateY(-1px)}.icon-btn:active:not(:disabled){transform:scale(.95)}.icon-btn:disabled{opacity:.35;cursor:not-allowed}.readout-label{text-transform:uppercase;letter-spacing:.08em;color:#64748b;margin-right:6px;font-size:.78rem;font-weight:700}.readout-swatch{vertical-align:-3px;border:1px solid #0003;border-radius:4px;width:18px;height:18px;margin-right:8px;display:inline-block;box-shadow:0 1px 3px #0000001a}.panel{-webkit-backdrop-filter:blur(16px);color:#0f172a;background:#ffffffeb;border:1px solid #0000001f;border-radius:14px;width:min(960px,100% - 24px);max-height:48vh;padding:12px 14px;position:absolute;bottom:12px;left:50%;overflow-y:auto;transform:translate(-50%);box-shadow:0 16px 36px #0000001f,inset 0 1px #ffffff80;pointer-events:auto!important}.panel-main{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;display:grid}.panel-row{text-align:center;margin-top:10px}.panel-row .panel-btn{margin:0 5px}.panel-btn{cursor:pointer;color:#0f172a;background:#f1f5f9f2;border:1px solid #0000001f;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:.9rem;font-weight:600;transition:all .18s cubic-bezier(.4,0,.2,1);display:inline-flex;box-shadow:0 2px 5px #0000000d;pointer-events:auto!important}.icon{vertical-align:middle;fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;width:18px;height:18px}.btn-label{vertical-align:middle}.panel-main .panel-btn{justify-content:flex-start;padding:12px 14px}.panel-btn:hover{background:#e2e8f0;border-color:#0003;transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.panel-btn:active{transform:translateY(0)scale(.98)}.panel-btn-accent{background:linear-gradient(135deg,#6366f1,#4f46e5);border-color:#6366f166;box-shadow:0 4px 14px #6366f140;color:#fff!important}.panel-btn-accent:hover{background:linear-gradient(135deg,#818cf8,#6366f1);box-shadow:0 6px 18px #6366f166}.panel-btn-warn{background:linear-gradient(135deg,#ef4444,#dc2626);border-color:#ef444466;box-shadow:0 4px 14px #ef444440;color:#fff!important}.panel-btn-warn:hover{background:linear-gradient(135deg,#f87171,#ef4444);box-shadow:0 6px 18px #ef444466}.panel-btn-go{background:linear-gradient(135deg,#10b981,#059669);border-color:#10b98166;box-shadow:0 4px 14px #10b98140;color:#fff!important}.panel-btn-go:hover{background:linear-gradient(135deg,#34d399,#10b981);box-shadow:0 6px 18px #10b98166}.swatches{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;display:grid}.swatch{cursor:pointer;letter-spacing:.02em;text-shadow:0 1px 3px #000000b3;border:2px solid #0000;border-radius:8px;padding:12px 10px;font-size:.9rem;font-weight:700;transition:all .16s;box-shadow:0 2px 8px #00000026;color:#fff!important;pointer-events:auto!important}.swatch:hover{transform:translateY(-2px);box-shadow:0 6px 16px #00000040}.swatch-on{border-color:#0284c7;transform:scale(1.03);box-shadow:0 0 14px #0284c780}.cp-errors{color:#dc2626;background:#ef44441a;border:1px solid #ef44444d;border-radius:8px;margin:12px 0 0;padding:10px 14px;font-size:.85rem;list-style:none}.move-list{background:#f1f5f9d9;border:1px solid #00000014;border-radius:8px;max-height:16vh;padding:6px;overflow-y:auto}.move-list-empty{color:#64748b;margin:6px;font-size:.85rem}.move-chip{cursor:pointer;color:#0f172a;background:#ffffffe6;border:1px solid #0000001f;border-radius:6px;min-width:40px;margin:2px;padding:4px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;font-weight:600;transition:all .12s;display:inline-block;pointer-events:auto!important}.move-chip:hover{background:#e2e8f0;border-color:#0003;transform:translateY(-1px)}.move-chip-current{background:#2563eb;border-color:#38bdf8;font-weight:800;box-shadow:0 0 10px #2563eb66;color:#fff!important}.solver-status{color:#0284c7;margin:6px 0;font-size:.82rem;font-weight:700}.transport{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px;margin-top:8px;display:grid}.pattern-list{background:#f1f5f999;border:1px solid #00000014;border-radius:8px;max-height:120px;margin-bottom:8px;padding:4px;overflow-y:auto}.pattern-btn{cursor:pointer;color:#0f172a;background:#ffffffe6;border:1px solid #0000001f;border-radius:6px;margin:2px;padding:5px 10px;font-size:.82rem;font-weight:600;transition:all .15s;display:inline-block;pointer-events:auto!important}.pattern-btn:hover{background:#e2e8f0;transform:translateY(-1px)}.pattern-btn-on{background:linear-gradient(135deg,#0284c7,#0369a1);border-color:#38bdf8;font-weight:700;box-shadow:0 0 12px #0284c766;color:#fff!important}.move-grid{white-space:nowrap;padding-bottom:6px;overflow-x:auto}.move-col{vertical-align:top;white-space:normal;margin-right:8px;display:inline-block}.move-btn{color:#0f172a;cursor:pointer;text-align:center;background:#f1f5f9e6;border:1px solid #0000001f;border-radius:6px;width:54px;margin-bottom:4px;padding:6px 0;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem;font-weight:800;transition:all .12s;display:block;box-shadow:0 1px 3px #0000000d;pointer-events:auto!important}.move-btn:hover{background:#2563eb;border-color:#3b82f6;transform:translateY(-1px)scale(1.05);box-shadow:0 4px 8px #00000026;color:#fff!important}.move-btn:active{transform:scale(.95)}.move-input-row{gap:10px;margin-bottom:12px;display:flex}.move-field{color:#0f172a;background:#fffffff2;border:1px solid #00000026;border-radius:8px;flex:1;padding:10px 14px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92rem;transition:border-color .15s;pointer-events:auto!important}.move-field:focus{border-color:#0284c7;outline:none;box-shadow:0 0 10px #0284c733}.ui.controls-hidden .panel,.ui.controls-hidden .hud{opacity:0!important;pointer-events:none!important;transition:opacity .22s,transform .22s!important;transform:translateY(20px)!important}.show-controls-btn{z-index:50;color:#fff;-webkit-backdrop-filter:blur(12px);cursor:pointer;background:#0f172ae0;border:1px solid #fff3;border-radius:9999px;align-items:center;gap:8px;padding:8px 16px;font-family:inherit;font-size:.82rem;font-weight:700;transition:all .18s;display:inline-flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%);box-shadow:0 10px 25px #0000004d;pointer-events:auto!important}.show-controls-btn:hover{background:#1e293bf2;border-color:#fff6;transform:translate(-50%)translateY(-2px);box-shadow:0 14px 30px #0006}.show-controls-btn:active{transform:translate(-50%)scale(.96)}.show-controls-btn.hidden{display:none!important}html.dark .cube-app-viewport,:root.dark .cube-app-viewport,[data-theme=dark] .cube-app-viewport{color:#f8fafc!important;background:radial-gradient(circle,#1e293b 0%,#0f172a 70%,#020617 100%)!important;border:1px solid #ffffff1f!important;box-shadow:0 20px 50px #0006,0 4px 20px #0003!important}html.dark .topbar,:root.dark .topbar,[data-theme=dark] .topbar{background:#0f172af0!important;border-bottom:1px solid #ffffff1f!important}html.dark .brand,:root.dark .brand,[data-theme=dark] .brand{color:#fff!important}html.dark .brand-tld,:root.dark .brand-tld,[data-theme=dark] .brand-tld{color:#38bdf8!important}html.dark .bar-label,:root.dark .bar-label,[data-theme=dark] .bar-label,html.dark .hud-label,:root.dark .hud-label,[data-theme=dark] .hud-label,html.dark .readout-label,:root.dark .readout-label,[data-theme=dark] .readout-label{color:#cbd5e1!important}html.dark .bar-btn,:root.dark .bar-btn,[data-theme=dark] .bar-btn,html.dark .bar-select,:root.dark .bar-select,[data-theme=dark] .bar-select{color:#fff!important;background-color:#1e293bd9!important;border:1px solid #ffffff2e!important}html.dark .bar-select option,:root.dark .bar-select option,[data-theme=dark] .bar-select option{color:#fff!important;background-color:#0f172a!important}html.dark .bar-select,:root.dark .bar-select,[data-theme=dark] .bar-select{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%23f8fafc' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>")!important}html.dark .bar-btn:hover,:root.dark .bar-btn:hover,[data-theme=dark] .bar-btn:hover,html.dark .bar-select:hover,:root.dark .bar-select:hover,[data-theme=dark] .bar-select:hover{background-color:#334155f2!important;border-color:#ffffff4d!important}html.dark .hud-history,:root.dark .hud-history,[data-theme=dark] .hud-history,html.dark .hud-readout,:root.dark .hud-readout,[data-theme=dark] .hud-readout,html.dark .hud-speed,:root.dark .hud-speed,[data-theme=dark] .hud-speed{color:#fff!important;background:#0f172ae0!important;border:1px solid #ffffff26!important}html.dark .speed-slider,:root.dark .speed-slider,[data-theme=dark] .speed-slider{accent-color:#38bdf8!important}html.dark .speed-value,:root.dark .speed-value,[data-theme=dark] .speed-value{color:#38bdf8!important}html.dark .icon-btn,:root.dark .icon-btn,[data-theme=dark] .icon-btn{color:#fff!important;background:#1e293be6!important;border:1px solid #fff3!important}html.dark .panel,:root.dark .panel,[data-theme=dark] .panel{color:#fff!important;background:#0f172aeb!important;border:1px solid #ffffff26!important}html.dark .panel-btn,:root.dark .panel-btn,[data-theme=dark] .panel-btn,html.dark .pattern-btn,:root.dark .pattern-btn,[data-theme=dark] .pattern-btn,html.dark .move-chip,:root.dark .move-chip,[data-theme=dark] .move-chip,html.dark .move-btn,:root.dark .move-btn,[data-theme=dark] .move-btn{color:#fff!important;background:#1e293be6!important;border:1px solid #ffffff2e!important}html.dark .pattern-list,:root.dark .pattern-list,[data-theme=dark] .pattern-list,html.dark .move-list,:root.dark .move-list,[data-theme=dark] .move-list{background:#02061799!important;border:1px solid #ffffff1a!important}html.dark .move-field,:root.dark .move-field,[data-theme=dark] .move-field{color:#fff!important;background:#020617b3!important;border:1px solid #fff3!important}