:root{--bg: #0b0d10;--surface: #161a20;--surface-2: #20262e;--text: #eef1f4;--muted: #8d97a3;--accent: #ffcd00;--ok: #eef1f4;--over: #ffb020;--alert: #ff3b3b;--border: #2b323b;--radius: 14px;color-scheme:dark}:root[data-theme=light]{--bg: #f4f5f7;--surface: #ffffff;--surface-2: #eceff3;--text: #12161b;--muted: #5c6670;--ok: #12161b;--over: #c77700;--alert: #d50000;--border: #d5dae0;color-scheme:light}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;display:flex;flex-direction:column;min-height:100dvh;overflow-x:hidden;-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}.topbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:max(10px,env(safe-area-inset-top)) 16px 10px}.app-title{font-size:1.05rem;font-weight:600;margin:0;color:var(--muted);letter-spacing:.02em;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.actions{display:flex;gap:6px;align-items:center;flex-shrink:0}.pill,.icon-btn{background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:7px 12px;font-size:.88rem;font-weight:600}.icon-btn{padding:6px;display:inline-flex;line-height:0}.pill[aria-pressed=true]{background:var(--accent);color:#000;border-color:var(--accent)}.primary{background:var(--accent);color:#000;border:0;border-radius:999px;padding:14px 36px;font-size:1.15rem;font-weight:700}.display{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:8px 16px 16px;min-height:0;--chrome: 230px;--speed-size: clamp(48px, min(22vw, 15dvh), 150px);--sign-size: min(68vw, calc(100dvh - var(--chrome) - var(--speed-size)), 340px);--sign-size-winter: min(78vw, calc(100dvh - var(--chrome) - var(--speed-size)), 390px)}.display{position:relative}.season-btn{position:absolute;top:4px;right:16px;width:48px;height:48px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;padding:0;background:var(--surface-2);border:1px solid var(--border);color:var(--muted)}.season-btn[aria-pressed=true]{background:#d6ecff;border-color:#8cc4f2;color:#0b5394}.sound-btn{right:auto;left:16px}.sound-btn[aria-pressed=true]{background:var(--surface-2);border-color:var(--border);color:var(--muted)}.sound-btn[aria-pressed=false]{border-color:#b97a10;color:#ffb020}.sound-btn .icon-off,.sound-btn[aria-pressed=false] .icon-on{display:none}.sound-btn[aria-pressed=false] .icon-off{display:inline}body.hud .season-btn{width:64px;height:64px;top:12px;right:12px;background:#000;border:2px solid #2a2f36;color:#6b7480}body.hud .season-btn svg{width:36px;height:36px}body.hud .season-btn[aria-pressed=true]{background:#000;border-color:#6fc4f7;color:#bfe9ff;box-shadow:0 0 12px 1px #6fc4f7cc,inset 0 0 10px #6fc4f759}body.hud .sound-btn{right:auto;left:12px}body.hud .sound-btn[aria-pressed=true]{background:#000;border-color:#2a2f36;color:#6b7480;box-shadow:none}body.hud .sound-btn[aria-pressed=false]{background:#000;border-color:#b97a10;color:#ffb020;box-shadow:0 0 10px #ffb0208c}.signs{position:relative;display:flex;align-items:flex-end;justify-content:center;gap:10px;max-width:100%}.winter-badge{display:none}body.hud[data-season=winter] .winter-badge{display:block;position:absolute;top:0;right:0;width:calc(var(--sign-size) * .3);aspect-ratio:1;padding:calc(var(--sign-size) * .045);border-radius:50%;background:#000;border:3px solid #6fc4f7;color:#bfe9ff;box-shadow:0 0 14px 2px #6fc4f7d9,0 0 34px 6px #6fc4f773}.winter-badge svg{display:block;width:100%;height:100%;filter:drop-shadow(0 0 4px rgba(150,215,255,.95))}.sign svg{display:block;width:var(--sign-size);height:auto}.sign.pulse svg{animation:pulse .9s ease-in-out infinite}.sign.winter svg{width:var(--sign-size-winter)}.other-sign{opacity:.85;flex-shrink:0}.signs:has(.other-sign:not(:empty)) .sign svg{width:calc(var(--sign-size) * .82)}.signs:has(.other-sign:not(:empty)) .sign.winter svg{width:calc(var(--sign-size-winter) * .82)}.other-sign svg{display:block;width:min(22vw,14vh,92px);height:auto}.other-sign:empty{display:none}.season-tag{font-size:.85rem;color:var(--muted);min-height:1.2em;text-transform:uppercase;letter-spacing:.08em}.speed{display:flex;flex-direction:column;align-items:center;gap:2px}.speed-value{font-size:var(--speed-size);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;color:var(--ok);transition:color .2s}.speed-unit{font-size:1.2rem;color:var(--muted);font-weight:600}.display[data-over=over] .speed-value{color:var(--over)}.display[data-over=alert] .speed-value{color:var(--alert)}.status{font-size:.85rem;color:var(--muted);text-align:center;min-height:1.2em}.attribution{font-size:.7rem;color:var(--muted);text-align:center;padding:6px 16px max(8px,env(safe-area-inset-bottom))}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06);filter:drop-shadow(0 0 18px rgba(255,59,59,.8))}}@media(prefers-reduced-motion:reduce){.sign.pulse svg{animation:none;filter:drop-shadow(0 0 14px rgba(255,59,59,.9))}}@media(orientation:landscape)and (max-height:620px){:is(body:not(.sim),body.hud) .display{display:grid;grid-template-columns:auto auto;grid-template-rows:1fr auto auto auto 1fr;justify-content:center;column-gap:32px;row-gap:6px;--speed-size: clamp(48px, min(16vw, 30dvh), 150px);--sign-size: min(42vw, calc(100dvh - 126px) , 300px);--sign-size-winter: min(48vw, calc(100dvh - 126px) , 345px)}:is(body:not(.sim),body.hud) .signs{grid-column:1;grid-row:1 / -1;align-self:center}:is(body:not(.sim),body.hud) .season-tag{grid-column:2;grid-row:2;text-align:center}:is(body:not(.sim),body.hud) .speed{grid-column:2;grid-row:3}:is(body:not(.sim),body.hud) .status{grid-column:2;grid-row:4}body.hud:not(.sim) .display,body.hud.sim .display{--speed-size: clamp(64px, min(20vw, 55dvh), 300px);--sign-size: min(34vw, calc(100dvh - 48px) , 300px);--sign-size-winter: min(40vw, calc(100dvh - 48px) , 345px)}}body.hud{background:#000}html:has(body.hud),html:has(body.hud)::backdrop,:root:fullscreen{background:#000}body.hud .topbar,body.hud .attribution,body.hud .season-tag,body.hud .status{display:none}body.hud .display{cursor:pointer}body.hud .sim-panel{display:none}body.hud .display{transform:scaleY(-1)}body.hud .display{--speed-size: clamp(80px, min(38vw, 28dvh), 300px);--sign-size: min( calc(100vw - 32px) , calc(100dvh - var(--speed-size) - 90px));--sign-size-winter: min(100vw, calc(100dvh - var(--speed-size) - 90px))}@media(orientation:portrait){body.hud .display{padding-top:76px;--sign-size: min( calc(100vw - 32px) , calc(100dvh - var(--speed-size) - 166px));--sign-size-winter: min(100vw, calc(100dvh - var(--speed-size) - 166px))}}body.hud .speed-value{color:#fff}body.hud .display[data-over=over] .speed-value{color:#ffb020}body.hud .display[data-over=alert] .speed-value{color:#ff2a2a}body.hud .speed-unit{color:#9aa}body.hud .season-btn,body.hud .speed-unit{transition:opacity .8s}body.hud.hud-idle .season-btn,body.hud.hud-idle .speed-unit{opacity:0;pointer-events:none}.hud-hint{inset:50% auto auto 50%;width:calc(100dvh - 32px);transform:translate(-50%,-50%) rotate(var(--hud-rotation))}.hud-hint{position:fixed;inset:auto 16px 16px;text-align:center;font-size:.9rem;background:#1e2228e6;color:#fff;padding:10px 14px;border-radius:10px;transition:opacity .6s}.start-overlay{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:24px 16px;z-index:10}.start-overlay[hidden]{display:none}.start-settings{position:absolute;top:max(10px,env(safe-area-inset-top));right:16px}.start-card{max-width:420px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:18px}.start-sign svg{width:150px;height:auto;display:block}.start-card p{margin:0;color:var(--muted);line-height:1.45}.start-sim{padding:10px 20px}.error{color:var(--alert)!important;min-height:1.2em}.settings{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);width:min(440px,calc(100vw - 32px));padding:0;max-height:calc(100dvh - 32px)}.settings::backdrop{background:#0009}.settings form{padding:18px 18px 14px;display:flex;flex-direction:column;gap:14px}.settings h2{margin:0;font-size:1.15rem}.settings label,.settings fieldset{display:flex;flex-direction:column;gap:6px;font-size:.92rem}.settings fieldset{border:0;padding:0;margin:0}.settings legend{padding:0;margin-bottom:4px;font-size:.92rem}.settings .row{flex-direction:row;align-items:center;justify-content:space-between;gap:12px}.settings .radio{flex-direction:row;align-items:center;gap:8px;color:var(--muted)}.settings select,.settings input[type=range]{width:100%;accent-color:var(--accent)}.settings select{background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px;font:inherit}.settings input[type=checkbox],.settings input[type=radio]{width:20px;height:20px;accent-color:var(--accent)}.settings .close-row{display:flex;justify-content:flex-end}.settings .version{font-size:.75rem;color:var(--muted)}body.sim:not(.hud){height:auto}body.sim:not(.hud) .display{flex:0 0 auto;padding-top:0}body.sim:not(.hud) .display{--speed-size: clamp(48px, 13vw, 90px);--sign-size: min(40vw, 22dvh, 200px);--sign-size-winter: min(46vw, 25dvh, 230px)}.sim-panel{display:flex;flex-direction:column;gap:10px;padding:0 16px 8px;flex:1;min-height:340px}.sim-panel[hidden]{display:none}.sim-route-row{display:flex;align-items:center;gap:8px;font-size:.88rem}.sim-route-row select{flex:1;min-width:0;background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px;font:inherit;font-weight:600}.sim-progress-row{display:flex;align-items:center;gap:12px}.sim-progress-row input{flex:1;min-width:0;accent-color:var(--accent)}.sim-progress-row .sim-status{flex:0 0 auto;min-width:11ch;text-align:right}.sim-map{flex:1;min-height:260px;border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}.sim-controls{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font-size:.88rem}.sim-controls label{display:inline-flex;align-items:center;gap:6px}.sim-controls input[type=range]{width:120px;accent-color:var(--accent)}.sim-controls select{background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:5px;font:inherit}.sim-controls .value{min-width:4.5ch;font-variant-numeric:tabular-nums}.sim-status{font-size:.82rem;color:var(--muted);min-height:1.2em}.sim-buttons{display:flex;flex-wrap:wrap;gap:8px}.sim-intro{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;font-size:.9rem;line-height:1.45}.sim-intro p{margin:0}.sim-intro details{margin-top:6px}.sim-intro summary{cursor:pointer;font-weight:600;color:var(--accent);padding:4px 0}.sim-intro ol{margin:6px 0 2px;padding-left:1.3em;display:flex;flex-direction:column;gap:6px;color:var(--muted)}.sim-intro ol b{color:var(--text)}.sim-drive-row{display:flex;align-items:center;gap:12px}.sim-play{flex:1;max-width:320px;min-height:56px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:1.2rem;padding:12px 24px}.sim-play .i-pause,.sim-play[data-state=driving] .i-play{display:none}.sim-play[data-state=driving] .i-pause{display:inline}.sim-play[data-state=driving]{background:var(--surface-2);color:var(--text);border:2px solid var(--accent)}.sim-stop{min-height:44px;padding:10px 18px}.sim-control-title{font-weight:600}.sim-step{background:var(--surface);border:2px solid var(--accent);border-radius:var(--radius);padding:10px 14px;font-weight:600;font-size:.95rem}.sim-step.error{border-color:var(--alert);color:var(--text);font-weight:500}.sim-step .pill{margin-left:4px}.sim-pin{box-sizing:border-box;border-radius:50%;text-align:center;color:#fff;font:800 15px/26px system-ui,sans-serif;border:2px solid #fff;box-shadow:0 1px 4px #00000080}.sim-pin-a{background:#1a9b4b}.sim-pin-b{background:#d32f2f}.sim-pin-via{background:#6b7480}.sim-confirm{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);width:min(400px,calc(100vw - 32px));padding:0}.sim-confirm::backdrop{background:#0009}.sim-confirm form{padding:18px;display:flex;flex-direction:column;gap:12px}.sim-confirm h2{margin:0;font-size:1.15rem}.sim-confirm p{margin:0;color:var(--muted);line-height:1.45}.sim-confirm-buttons{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:4px}.sim-confirm-buttons .primary{padding:10px 22px;font-size:1rem}.sim-more summary{cursor:pointer;font-size:.88rem;color:var(--muted);padding:4px 0}.sim-more .sim-buttons{margin-top:8px}.file-btn{position:relative;overflow:hidden}.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}@media(min-width:900px){body.sim:not(.hud){display:grid;grid-template-columns:380px 1fr;grid-template-rows:auto 1fr auto;height:auto;min-height:100dvh}body.sim:not(.hud) .sim-map{flex:0 0 auto;height:max(380px,55dvh)}body.sim:not(.hud) .topbar{grid-column:1 / -1}body.sim:not(.hud) .display{grid-column:1;grid-row:2;justify-content:flex-start;padding-top:24px;position:sticky;top:0;align-self:start}body.sim:not(.hud) .sim-panel{grid-column:2;grid-row:2}body.sim:not(.hud) .attribution{grid-column:1 / -1}body.sim:not(.hud) .display{--sign-size: 220px;--sign-size-winter: 252px}}