:root {
  color-scheme: dark;
  --bg: #101217;
  --panel: #181d25;
  --line: rgba(255,255,255,.14);
  --text: #f7fbff;
  --muted: #aeb8c6;
  --red: #ff4c58;
  --blue: #42a5ff;
  --gold: #ffc247;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 76, 88, .18), transparent 28%),
    radial-gradient(circle at 84% 12%, rgba(66, 165, 255, .16), transparent 30%),
    linear-gradient(180deg, #191d25 0%, #090b10 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

.shell {
  height: min(100dvh, 880px);
  width: min(100vw, 560px);
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 10px;
  padding: 10px;
}

.phone {
  position: relative;
  min-height: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0c0f14;
  box-shadow: 0 26px 80px rgba(0,0,0,.45);
  overflow: hidden;
}

canvas {
  width: min(100%, 430px);
  height: min(100%, 760px);
  display: block;
  touch-action: none;
  user-select: none;
}

.tip {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  min-width: 170px;
  min-height: 30px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  padding: 0 12px;
  background: rgba(22, 25, 32, .72);
  color: #d9e4f2;
  font-size: 13px;
  font-weight: 800;
  pointer-events: none;
}

.controls {
  min-height: 46px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: rgba(24, 29, 37, .92);
}

.controls span {
  min-height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.12);
  padding: 0 10px;
  color: var(--muted);
  background: rgba(255,255,255,.05);
  font-size: 13px;
  font-weight: 800;
}

.result-dialog {
  width: min(88vw, 360px);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  padding: 0;
  color: var(--text);
  background: #141922;
  box-shadow: 0 28px 90px rgba(0,0,0,.62);
}

.result-dialog::backdrop {
  background: rgba(4, 6, 10, .7);
}

.result-dialog form {
  display: grid;
  gap: 12px;
  padding: 24px;
  text-align: center;
}

.result-kicker {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.result-dialog h2 {
  margin: 0;
  color: #fff;
  font-size: 24px;
}

.result-score {
  color: var(--red);
  font-size: 56px;
  line-height: 1;
  font-weight: 950;
}

.result-dialog p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.result-dialog button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  color: #1a0d0e;
  background: var(--gold);
  font: 900 15px "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  cursor: pointer;
}

.result-dialog button:hover {
  filter: brightness(1.06);
}

.result-dialog button:focus-visible {
  outline: 3px solid rgba(255,255,255,.85);
  outline-offset: 3px;
}

@media (max-height: 720px) {
  .controls { display: none; }
  .shell { padding: 0; }
  .phone { border-radius: 0; border: 0; }
}