:root{--bg: #0b1626;--surface: #122036;--asphalt: #0e1b2d;--lane: #294464;--ink: #e6f0ff;--muted: #8ba4c4;--accent: #ff5c4d;--edition: #3a84cb;--border: #294464;--rule: color-mix(in srgb, var(--ink) 45%, transparent);--radius: 2px;--gap: 5px;--serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;color-scheme:dark}@media(prefers-color-scheme:light){:root{--bg: #dde5ef;--surface: #f4f8fc;--asphalt: #eaf1f8;--lane: #a9bdd4;--ink: #0f2440;--muted: #4a6382;--accent: #d93b2b;--border: #a9bdd4;--rule: color-mix(in srgb, var(--ink) 55%, transparent);color-scheme:light}}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:var(--bg);background-image:radial-gradient(var(--lane) .6px,transparent .7px);background-size:4px 4px;color:var(--ink);font-family:var(--serif);display:flex;justify-content:center;padding:clamp(16px,4vw,40px) 16px calc(24px + env(safe-area-inset-bottom));-webkit-tap-highlight-color:transparent}.app{width:100%;max-width:460px;display:flex;flex-direction:column;align-items:center;gap:20px}.masthead{width:100%;text-align:center;border-top:3px double var(--rule);border-bottom:1.5px solid var(--rule);padding:10px 0 8px}.nameplate{display:flex;align-items:center;justify-content:center;gap:10px}h1{margin:0;font-family:var(--serif);font-size:clamp(1.6rem,6vw,2rem);font-weight:700;letter-spacing:-.01em;line-height:1.1;white-space:nowrap}.puzzle-no{flex:0 0 auto;padding:3px 7px;border:1.5px solid var(--border);background:var(--edition);color:#0b1626;font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:.78rem;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}.puzzle-no[hidden]{display:none}.subtitle{margin:6px 0 0;color:var(--muted);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-variant-numeric:tabular-nums}.scoreboard{margin:0;display:flex;align-items:baseline;justify-content:center;gap:5px;color:var(--muted);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em}.score-value{font-variant-numeric:tabular-nums}.stage{position:relative;width:100%;padding-right:30px;padding-left:30px}.board{position:relative;width:100%;aspect-ratio:1;background:var(--asphalt);border:1px solid var(--border);border-radius:var(--radius);padding:var(--gap);touch-action:none;overflow:hidden}.board:before{content:"";position:absolute;inset:var(--gap);background-image:linear-gradient(to right,var(--lane) 1px,transparent 1px),linear-gradient(to bottom,var(--lane) 1px,transparent 1px);background-size:calc(100% / 6) calc(100% / 6);opacity:.55;pointer-events:none}.board:after{content:"";position:absolute;right:0;top:calc(var(--gap) + (100% - 2 * var(--gap)) * 2 / 6);height:calc((100% - 2 * var(--gap)) / 6);width:4px;background:var(--accent);pointer-events:none}.exit{position:absolute;right:0;top:calc(50% - 12px);width:30px;display:flex;justify-content:center;color:var(--accent);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:.6rem;font-weight:700;letter-spacing:.14em}.exit span{writing-mode:vertical-rl}.vehicle{position:absolute;left:var(--gap);top:var(--gap);border-radius:3px;border:none;padding:0;cursor:grab;touch-action:none;will-change:transform;transition:transform .13s cubic-bezier(.22,.61,.36,1);background:var(--car);box-shadow:inset 0 -3px #00000038,inset 0 2px #ffffff2e,0 2px 6px #0000004d}.vehicle:after{content:"";position:absolute;inset:0;margin:auto;background:#ffffff3d;border-radius:2px}.vehicle.horiz:after{width:34%;height:44%}.vehicle.vert:after{width:44%;height:34%}.board.settling .vehicle{transition:none}.vehicle.dragging{transition:none;cursor:grabbing;z-index:3;filter:brightness(1.12)}.vehicle.player{--car: var(--accent);z-index:2}.vehicle:focus-visible{outline:3px solid var(--ink);outline-offset:2px}.vehicle.escaping{transition:transform .48s cubic-bezier(.5,0,.75,0),opacity .48s ease-in;opacity:0}.instructions{margin:0;text-align:center;color:var(--muted);font-size:.85rem;line-height:1.5;max-width:34ch}.actions{display:flex;flex-wrap:wrap;gap:10px;width:100%}.btn{flex:1 1 130px;font:inherit;font-weight:700;font-size:.95rem;padding:12px 18px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--ink);cursor:pointer;transition:transform 80ms ease,filter .12s ease}.btn:hover{filter:brightness(1.12)}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn[disabled]{opacity:.55;cursor:progress}.seed-form{width:100%;display:flex;flex-direction:column;gap:6px}.seed-label{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.seed-row{display:flex;gap:10px}.seed-input{flex:1 1 auto;min-width:0;font:inherit;font-size:1rem;padding:12px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--ink);text-overflow:ellipsis}.seed-input::placeholder{color:var(--muted);opacity:.75}.seed-input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.seed-go{flex:0 0 auto}.linklike{font:inherit;font-size:.85rem;background:none;border:0;padding:4px;color:var(--muted);cursor:pointer;text-decoration:underline;text-underline-offset:3px}.linklike:hover{color:var(--ink)}.linklike:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.linklike[hidden]{display:none}.overlay{position:fixed;inset:0;background:#040b16c2;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:10;animation:fade .22s ease}@media(prefers-color-scheme:light){.overlay{background:#101e329e}}.overlay[hidden]{display:none}@keyframes fade{0%{opacity:0}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:100%;max-width:360px;text-align:center;display:flex;flex-direction:column;gap:14px;box-shadow:0 1px 2px #0000003d,0 16px 40px -12px #0006}.card h2{margin:0;font-family:var(--serif);font-size:1.5rem;font-weight:700;letter-spacing:-.01em}.verdict{margin:0;color:var(--muted);font-size:.95rem}.verdict strong{color:var(--ink)}.standing{margin:0;align-self:center;padding:5px 12px;border:1px solid var(--border);border-radius:999px;background:var(--bg);font-size:.85rem;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}.standing[hidden]{display:none}.emoji-grid{margin:0;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:clamp(1rem,4.6vw,1.35rem);line-height:1.15;letter-spacing:1px;white-space:pre;width:fit-content;margin-inline:auto}.card-actions{display:flex;flex-direction:column;gap:8px}.card-actions .btn{flex:0 0 auto}.toast{margin:0;min-height:1.2em;font-size:.82rem;color:var(--muted)}@media(prefers-reduced-motion:reduce){.vehicle,.vehicle.escaping,.overlay{transition-duration:1ms;animation-duration:1ms}}