:root{--bg: #f4f5f7;--panel: #ffffff;--ink: #1a1d23;--muted: #6b7280;--accent: #da291c;--accent-ink: #ffffff;--correct: #1a9e5a;--incorrect: #da291c;--border: #e2e4e9;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}#app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}#app.app--game{height:100vh;min-height:100vh;padding:0;align-items:stretch;justify-content:stretch;overflow:hidden}.btn{font:inherit;font-weight:600;padding:12px 28px;border-radius:10px;border:none;cursor:pointer;transition:transform .08s ease,box-shadow .15s ease}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 4px 14px #da291c59}.btn-primary:hover{box-shadow:0 6px 18px #da291c73}.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--border)}.btn-secondary:hover{background:#f8f8f9}.menu-screen{position:relative;text-align:center;max-width:480px}.menu-bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none;background:var(--bg)}.menu-bg-track{position:absolute;top:0;right:0;bottom:0;left:0;animation:menu-bg-drift 28s ease-in-out infinite alternate}.menu-bg-img{position:absolute;top:50%;left:50%;width:170%;max-width:none;height:auto;transform:translate(-50%,-50%);opacity:.16}@keyframes menu-bg-drift{0%{transform:scale(1.05) translate(-1.5%,-1%) rotate(-.6deg)}50%{transform:scale(1.16) translate(1.5%,1.5%) rotate(.6deg)}to{transform:scale(1.1) translate(-1%,2%) rotate(-.3deg)}}@media(prefers-reduced-motion:reduce){.menu-bg-track{animation:none}}.menu-content{position:relative;z-index:1}.menu-screen h1{font-size:2.8rem;margin-bottom:8px;letter-spacing:-.02em}.menu-screen .subtitle{color:var(--muted);margin-bottom:32px}.menu-modes{display:flex;flex-direction:column;gap:12px}.menu-modes .btn{width:100%}.credits-btn{position:fixed;right:20px;bottom:20px;z-index:1;padding:8px 18px;font-size:.85rem}.share-overlay.credits-overlay{position:fixed}.credits-body{text-align:left;font-size:.92rem;color:var(--ink)}.credits-body p{margin:0 0 10px}.credits-body a{color:var(--accent)}.credits-body ul{margin:0;padding-left:20px}.credits-body li{margin-bottom:4px}.quickplay-screen{position:relative;width:100%;height:100%;overflow:hidden;background:#fbfbfc}.map-wrap{position:absolute;top:0;right:0;bottom:0;left:0}.map-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--muted)}.game-hud{position:absolute;top:0;left:0;right:0;z-index:2;display:flex;align-items:flex-start;justify-content:space-between;padding:16px 20px;pointer-events:none}.hud-topleft,.hud-topright{pointer-events:auto}.hud-topleft{display:flex;flex-direction:column;gap:4px;background:#ffffffeb;border-radius:12px;padding:8px 14px;box-shadow:0 3px 12px #00000026}.round-indicator{font-weight:700;font-size:.95rem}.score-indicator{font-weight:600;font-size:.85rem;color:var(--muted)}.hud-topmiddle{display:flex;flex-direction:column;align-items:center;gap:8px}.station-name-pill{background:#fff;border-radius:999px;padding:10px 26px;font-weight:700;font-size:1.7rem;box-shadow:0 3px 14px #0000002e;white-space:nowrap}.attempt-dots{display:flex;gap:8px}.attempt-dot{width:15px;height:15px;border-radius:50%;background:#fff;border:2px solid var(--incorrect);box-shadow:0 2px 6px #0003}.attempt-dot--used{background:var(--incorrect)}.hud-topright{display:flex;gap:10px}.icon-btn{width:42px;height:42px;border-radius:50%;border:none;background:#ffffffeb;color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 3px 12px #00000026;transition:transform .08s ease}.icon-btn:active{transform:scale(.92)}.icon-btn svg{width:22px;height:22px}.hints-box{position:absolute;left:16px;bottom:16px;z-index:2;background:#fff;border:2px solid #111111;border-radius:14px;padding:10px 14px;min-width:96px;box-shadow:0 3px 12px #00000026}.hints-title{font-weight:700;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.hints-chips{display:flex;flex-direction:column;gap:6px;margin-top:6px}.hints-chips:empty{margin-top:0}.hint-row{display:flex;gap:6px}.hint-chip{display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.82rem;padding:5px 12px;border-radius:8px;white-space:nowrap}.hint-chip--line{min-width:62px}.hint-chip--region{background:var(--muted)}.hint-chip--proximity{background:#111}.ttc-map{display:block;width:100%;height:100%;cursor:grab;touch-action:none}.ttc-map--panning{cursor:grabbing}.ttc-map--disabled{cursor:default;pointer-events:none}.overlay-layer{pointer-events:none}.line-glow{filter:drop-shadow(0 0 12px rgba(0,0,0,.6))}.station-marker{transform-box:fill-box;transform-origin:center}.station-label{pointer-events:none}.reveal-ring{stroke:var(--accent);stroke-width:5;animation:pulse-reveal .9s ease-in-out infinite}@keyframes pulse-reveal{0%,to{r:20;opacity:.65}50%{r:30;opacity:1}}.click-flash{fill:none;stroke-width:6;opacity:.9;animation:click-flash-anim .65s ease-out forwards}.click-flash--correct{stroke:var(--correct)}.click-flash--incorrect{stroke:var(--incorrect)}@keyframes click-flash-anim{0%{r:6;opacity:1}to{r:48;opacity:0}}.results-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;align-items:center;justify-content:center;background:#14161a8c;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:results-fade-in .2s ease}.results-overlay[hidden]{display:none}@keyframes results-fade-in{0%{opacity:0}to{opacity:1}}.results-card{width:100%;max-width:420px;max-height:calc(100% - 48px);overflow-y:auto;background:var(--panel);border-radius:16px;padding:32px;text-align:center;box-shadow:0 12px 40px #00000059}.results-card h2{margin:0;font-size:1.1rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.final-score{font-size:3.2rem;font-weight:800;color:var(--accent);margin:8px 0 20px}.final-score .out-of{font-size:1.4rem;color:var(--muted);font-weight:600}.results-breakdown{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}.breakdown-row{display:flex;justify-content:space-between;font-size:.95rem;padding-bottom:8px;border-bottom:1px solid var(--border)}.breakdown-row span{color:var(--muted)}.results-actions{display:flex;gap:10px;justify-content:center}.results-actions .btn{flex:1}.results-actions--secondary{margin-top:10px}.share-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:6;display:flex;align-items:center;justify-content:center;background:#14161a8c;animation:results-fade-in .2s ease}.share-overlay[hidden]{display:none}.share-modal{position:relative;width:100%;max-width:420px;max-height:calc(100% - 48px);overflow-y:auto;background:var(--panel);border-radius:16px;padding:28px 24px 24px;text-align:left;box-shadow:0 12px 40px #00000059}.share-modal h3{margin:0 0 12px;font-size:1.1rem}.share-modal-close{position:absolute;top:12px;right:12px;width:32px;height:32px;box-shadow:none;border:1px solid var(--border)}.share-modal-close svg{width:16px;height:16px}.share-panel{display:flex;align-items:stretch;gap:8px;background:var(--bg);border-radius:10px;padding:10px;text-align:left}.share-text{flex:1;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.78rem;white-space:pre;overflow-x:auto;color:var(--ink)}.share-panel .icon-btn{flex:0 0 auto;width:36px;height:36px;box-shadow:none;border:1px solid var(--border)}.share-panel .icon-btn svg{width:18px;height:18px}.icon-btn--copied{color:var(--correct)}