@font-face{font-family:Rose Gard;src:url(/fonts/rose-gard.otf) format("opentype");font-weight:400 700;font-style:normal;font-display:swap}@font-face{font-family:Century Offline;src:url(/fonts/dm-serif-display.ttf) format("truetype");font-weight:400 700;font-style:normal;font-display:swap}@font-face{font-family:Funnel Sans;src:url(/fonts/funnel-sans-regular.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Funnel Sans;src:url(/fonts/funnel-sans-bold.ttf) format("truetype");font-weight:700;font-style:normal;font-display:swap}:root{--canvas: #111111;--canvas-subtle: #161616;--canvas-elevated: #1C1C1E;--surface: #18181A;--surface-hover: #222224;--surface-border: #28282B;--surface-highlight: #353538;--accent: #FF4632;--accent-hover: #FF5E4D;--accent-muted: #E04A36;--accent-subtle: rgba(255, 70, 50, .12);--ink-primary: #FFFFFF;--ink-secondary: #B0B0B5;--ink-muted: #7E7E86;--ink-faint: #505056;--start-color: #10B981;--start-glow: rgba(16, 185, 129, .4);--end-color: #FF4632;--end-glow: rgba(255, 70, 50, .4);--path-color: #F59E0B;--path-glow: rgba(245, 158, 11, .45);--font-serif: "Rose Gard", "Century Offline", "Century", Georgia, serif;--font-century: "Century Offline", "Century", "Century Schoolbook", "TeX Gyre Schola", Georgia, serif;--font-sans: "Funnel Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--canvas);color:var(--ink-primary);font-family:var(--font-sans);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,select{font-family:inherit}.app-layout{display:flex;flex-direction:column;min-height:100vh;max-width:1440px;margin:0 auto;padding:1rem 1.25rem;gap:1rem}.app-header{position:relative;display:flex;justify-content:center;align-items:center;padding-bottom:.75rem;border-bottom:1px solid var(--surface-border)}.header-brand{display:flex;flex-direction:column;align-items:center;text-align:center}.brand-title{font-family:var(--font-century);font-size:2.2rem;font-weight:700;letter-spacing:-.01em;color:var(--ink-primary);text-align:center}.brand-subtitle{color:var(--ink-secondary);font-size:.85rem;margin-top:.25rem;text-align:center}.header-links{position:absolute;right:0;top:50%;transform:translateY(-50%)}.header-link{color:var(--ink-muted);text-decoration:none;font-size:.82rem;transition:all .15s ease;display:inline-flex;align-items:center;padding:.35rem .75rem;border:1px solid var(--surface-border);border-radius:6px;background-color:var(--surface)}.header-link:hover{color:var(--ink-primary);border-color:var(--surface-highlight)}.main-content{display:flex;flex-direction:column;gap:1rem;flex:1}.controls-panel{background-color:var(--surface);border:1px solid var(--surface-border);border-radius:10px;padding:.75rem 1rem;display:flex;flex-direction:column;gap:.65rem}.controls-toolbar{display:flex;align-items:flex-end;flex-wrap:wrap;gap:.85rem}.control-item{display:flex;flex-direction:column;gap:.25rem}.control-label{font-family:var(--font-mono);font-size:.7rem;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.05em}.control-select{background-color:var(--canvas-subtle);color:var(--ink-primary);border:1px solid var(--surface-border);border-radius:6px;padding:.4rem .65rem;font-size:.82rem;outline:none;cursor:pointer;transition:border-color .15s ease}.control-select:focus{border-color:var(--accent)}.inline-group{display:flex;align-items:center;gap:.35rem}.brush-toggle-group{display:flex;background-color:var(--canvas-subtle);padding:2px;border:1px solid var(--surface-border);border-radius:6px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.4rem .75rem;font-size:.82rem;font-weight:500;border-radius:6px;border:1px solid transparent;cursor:pointer;transition:all .15s ease;-webkit-user-select:none;user-select:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover)}.btn-run{font-weight:600;box-shadow:0 0 10px #ff463240}.btn-secondary{background-color:var(--surface-hover);color:var(--ink-primary);border-color:var(--surface-border)}.btn-secondary:hover:not(:disabled){background-color:var(--surface-highlight)}.btn-outline{background-color:transparent;color:var(--ink-secondary);border-color:var(--surface-border)}.btn-outline:hover:not(:disabled){color:var(--ink-primary);border-color:var(--surface-highlight);background-color:var(--surface-hover)}.btn-accent{background-color:#ef4444;color:#fff}.btn-toggle{background:transparent;color:var(--ink-muted);padding:.3rem .6rem;border-radius:4px;font-size:.78rem}.btn-toggle.active{background-color:var(--surface-highlight);color:var(--ink-primary)}.speed-item{margin-left:auto}.speed-value{color:var(--accent);font-weight:600}.speed-slider-wrapper{display:flex;align-items:center;gap:.5rem}input[type=range]{accent-color:var(--accent);cursor:pointer;height:4px}.btn-pill{background-color:var(--canvas-subtle);border:1px solid var(--surface-border);color:var(--ink-secondary);font-size:.72rem;font-family:var(--font-mono);padding:.15rem .45rem;border-radius:9999px;cursor:pointer;transition:all .15s ease}.btn-pill.active{border-color:var(--accent);color:var(--accent);background-color:var(--accent-subtle)}.controls-actions-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;padding-top:.4rem;border-top:1px solid var(--surface-border)}.playback-buttons{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}.algo-badges-row{display:flex;align-items:center;flex-wrap:wrap;gap:.4rem}.badge-name{font-family:var(--font-sans);font-size:.85rem;font-weight:700;color:var(--ink-primary);margin-right:.2rem}.badge-tag{font-family:var(--font-mono);font-size:.7rem;padding:.15rem .45rem;background-color:var(--canvas-subtle);border:1px solid var(--surface-border);border-radius:4px;color:var(--ink-secondary)}.badge-optimal{border-color:#10b981;color:#10b981}.badge-suboptimal{border-color:#f59e0b;color:#f59e0b}.badge-weighted{border-color:#60a5fa;color:#60a5fa}.badge-unweighted{border-color:var(--ink-muted);color:var(--ink-muted)}.grid-wrapper{background-color:var(--surface);border:1px solid var(--surface-border);border-radius:10px;padding:.5rem;display:flex;justify-content:center;align-items:center;overflow:hidden;box-shadow:0 4px 20px #0006}.grid-container{display:grid;width:100%;aspect-ratio:51 / 29;background-color:#141416;border:1px solid var(--surface-border);touch-action:none;-webkit-user-select:none;user-select:none}.grid-cell{position:relative;background-color:#141416;border:1px solid #1C1C20;box-sizing:border-box;display:flex;align-items:center;justify-content:center;transition:background-color .1s ease}.cell-start{background-color:var(--start-color)!important;box-shadow:inset 0 0 6px var(--start-glow);z-index:5}.cell-end{background-color:var(--end-color)!important;box-shadow:inset 0 0 6px var(--end-glow);z-index:5}.node-marker{font-family:var(--font-mono);font-weight:700;font-size:.72rem;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.8);pointer-events:none}.cell-wall{background-color:#2d2d33!important;border-color:#383840!important;animation:wallPop .15s cubic-bezier(.175,.885,.32,1.275)}@keyframes wallPop{0%{transform:scale(.6);opacity:.5}to{transform:scale(1);opacity:1}}.cell-terrain{background-color:#2a2218;border-color:#4a3a25}.terrain-weight-badge{font-family:var(--font-mono);font-size:.65rem;font-weight:700;color:#d97706;pointer-events:none}.cell-visited{background-color:hsl(calc(220 + var(--visit-ratio, 0) * 80),65%,28%)!important;border-color:hsl(calc(220 + var(--visit-ratio, 0) * 80),75%,40%)!important;animation:visitedPulse .3s ease-out}@keyframes visitedPulse{0%{transform:scale(.4);background-color:#4c1d95;border-radius:50%}60%{transform:scale(1.15);background-color:#2563eb}to{transform:scale(1);border-radius:0}}.cell-path{background-color:var(--path-color)!important;border-color:#fbbf24!important;box-shadow:0 0 8px var(--path-glow);z-index:4;animation:pathPop .25s ease-out}@keyframes pathPop{0%{transform:scale(.4);background-color:#ef4444}70%{transform:scale(1.2);background-color:#f59e0b}to{transform:scale(1);background-color:var(--path-color)}}.stats-container{display:flex;flex-direction:column;gap:.85rem}.legend-bar{display:flex;align-items:center;flex-wrap:wrap;gap:1.25rem;padding:.5rem .85rem;background-color:var(--surface);border:1px solid var(--surface-border);border-radius:8px}.legend-item{display:flex;align-items:center;gap:.45rem;font-size:.78rem;color:var(--ink-secondary)}.legend-box{width:16px;height:16px;border-radius:3px;border:1px solid var(--surface-border);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:.62rem;font-weight:700;color:#fff}.legend-start{background-color:var(--start-color)}.legend-end{background-color:var(--end-color)}.legend-wall{background-color:#2d2d33;border-color:#383840}.legend-terrain{background-color:#2a2218;color:#d97706}.legend-visited{background-color:#2563eb}.legend-path{background-color:var(--path-color)}.metrics-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.65rem}.metric-card{background-color:var(--surface);border:1px solid var(--surface-border);border-radius:8px;padding:.65rem .85rem;display:flex;flex-direction:column;gap:.2rem}.metric-label{font-family:var(--font-mono);font-size:.68rem;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.05em}.metric-value{font-family:var(--font-mono);font-size:1.25rem;font-weight:700;color:var(--ink-primary)}.metric-subtext{font-size:.68rem;color:var(--ink-muted)}.comparison-section{background-color:var(--surface);border:1px solid var(--surface-border);border-radius:10px;padding:1rem;display:flex;flex-direction:column;gap:.65rem}.comparison-header{display:flex;flex-direction:column;gap:.2rem}.comparison-title{font-family:var(--font-sans);font-size:1.15rem;font-weight:700;color:var(--ink-primary)}.comparison-hint{font-size:.78rem;color:var(--ink-muted)}.table-wrapper{overflow-x:auto}.comparison-table{width:100%;border-collapse:collapse;text-align:left;font-size:.82rem}.comparison-table th{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;color:var(--ink-muted);padding:.55rem .75rem;border-bottom:1px solid var(--surface-border)}.comparison-table td{padding:.65rem .75rem;border-bottom:1px solid #202024;font-family:var(--font-mono);color:var(--ink-secondary)}.algo-cell-name{font-family:var(--font-sans)!important;font-weight:600;color:var(--ink-primary)!important}.highlight-row{background-color:#ff46320d}.status-pill{display:inline-block;padding:.12rem .45rem;border-radius:4px;font-size:.7rem;font-weight:600}.status-pill.found{background-color:#10b98126;color:#10b981}.status-pill.not-found{background-color:#ef444426;color:#ef4444}.empty-history-notice{padding:1.25rem;text-align:center;color:var(--ink-muted);font-size:.82rem;border:1px dashed var(--surface-border);border-radius:8px}.app-footer{padding-top:1rem;border-top:1px solid var(--surface-border);display:flex;justify-content:space-between;align-items:center;font-size:.78rem;color:var(--ink-muted)}.footer-content{display:flex;flex-direction:column;gap:.2rem}.footer-spec{font-family:var(--font-mono);font-size:.72rem;color:var(--ink-faint)}.text-white{color:var(--ink-primary)}@media (max-width: 768px){.app-layout{padding:.75rem .5rem}.app-header{flex-direction:column;gap:.5rem}.header-links{position:static;transform:none}.brand-title{font-size:1.5rem}.controls-toolbar,.controls-actions-bar{flex-direction:column;align-items:stretch}.speed-item{margin-left:0}.grid-container{aspect-ratio:25 / 21}}