:root{
  --night:#150803;
  --dash:#2a1409;
  --amber:#ffb23e;
  --chalk:#f5e6cf;
  --muted:#b79a7c;
  --line:rgba(255,178,62,.2);
  --serif:"Georgia","Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{
  background:var(--night);color:var(--chalk);font-family:var(--sans);
  padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
  overflow-x:hidden;
}
.road{position:fixed;inset:auto 0 0 0;height:38vh;
  background:linear-gradient(to top,#0b0402,var(--night));
  perspective:300px;overflow:hidden;z-index:0}
.lane{position:absolute;left:50%;bottom:0;width:6px;height:200%;
  transform:translateX(-50%) rotateX(60deg);transform-origin:bottom;
  background:repeating-linear-gradient(to top,var(--amber) 0 40px,transparent 40px 90px);
  animation:drive 1.2s linear infinite;opacity:.55}
@keyframes drive{to{background-position:0 -90px}}
.bus{position:relative;z-index:1;max-width:520px;margin:0 auto;padding:28px 20px 60px}
.top h1{font-family:var(--serif);font-size:2.4rem;letter-spacing:.01em}
.route{color:var(--muted);margin-top:4px}
.now{margin-top:32px;padding:22px;background:var(--dash);border:1px solid var(--line);border-radius:18px}
.count{color:var(--amber);font-size:.85rem}
#title{font-family:var(--serif);font-size:1.6rem;margin-top:10px;line-height:1.2}
#artist{color:var(--muted);margin-top:4px}
.progress{display:flex;align-items:center;gap:10px;margin-top:22px;font-variant-numeric:tabular-nums;font-size:.85rem;color:var(--muted)}
#seek{flex:1;accent-color:var(--amber)}
.controls{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:20px}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:1px solid var(--line);
  border-radius:50%;width:48px;height:48px;font-size:1.1rem}
button.primary{width:64px;height:64px;background:var(--amber);color:var(--night);border:none;font-size:1.4rem}
button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.queue{margin-top:24px}
.queue h3{font-size:1rem;color:var(--muted);margin-bottom:8px}
#queue{list-style:none;padding:0;max-height:34vh;overflow:auto}
#queue li{padding:10px 12px;border-radius:10px;cursor:pointer;display:flex;justify-content:space-between;gap:12px}
#queue li:hover{background:rgba(255,178,62,.08)}
#queue li.active{background:rgba(255,178,62,.16);color:var(--amber)}
#queue small{color:var(--muted)}
.foot{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.link{width:auto;height:auto;border:none;border-radius:0;background:none;color:var(--amber);
  text-align:left;padding:0;font-size:1rem;text-decoration:underline}
.keys summary{cursor:pointer;color:var(--muted)}
.keys ul{list-style:none;padding:10px 0 0;display:grid;gap:6px;font-size:.9rem}
kbd{border:1px solid var(--line);border-radius:6px;padding:1px 7px;margin-right:6px;font-family:inherit}
dialog{margin:auto;background:var(--dash);color:var(--chalk);border:1px solid var(--line);
  border-radius:18px;padding:24px;max-width:340px}
dialog::backdrop{background:rgba(0,0,0,.7)}
dialog p{margin:10px 0 18px;color:var(--muted)}
.row{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.primary-text{width:auto;height:auto;border-radius:999px;padding:10px 18px;background:var(--amber);color:var(--night);border:none}
@media (prefers-reduced-motion:reduce){.lane{animation:none}}