:root {
  --primary: #2563eb;
  --bg-dark: #050505;
  --card: #0f0f0f;
  --text: #f5f5f5;
  --muted: #9b9b9b;
  --line: #232323;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Courier New', Courier, monospace;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 12%, #1b1b1b 0, transparent 35%),
    radial-gradient(circle at 86% 88%, #101010 0, transparent 35%), var(--bg-dark);
  display: flex;
  justify-content: center;
  padding: 16px;
}
.game-shell {
  width: min(560px, 100%);
  display: grid;
  place-items: center;
  margin-top: 48px;
}
.screen {
  width: 100%;
}
.hidden {
  display: none;
}
.card,
.card-lite {
  border: 2px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #111 0, #0a0a0a 100%);
}
.card {
  padding: 22px;
  text-align: center;
}
h1,
h2 {
  margin: 0 0 12px;
  letter-spacing: 1px;
}
p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.4;
}
button {
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  background: #2563eb;
  color: #ffffff;
  border: 3px solid #0c0c0c;
  border-radius: 10px;
  padding: 10px 18px;
}
.hud {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
  font-size: 14px;
}
.hud span {
  color: var(--primary);
  font-weight: 700;
}
.canvas-wrap {
  position: relative;
  padding: 10px;
}
#gameCanvas {
  width: 100%;
  display: block;
  background: var(--bg-dark);
  border-radius: 10px;
}
.status-overlay {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  color: #fff;
  font-size: 14px;
  white-space: nowrap;
  pointer-events: none;
}
.result-line {
  margin-bottom: 12px;
}
@media (max-width: 600px) {
  body {
    padding: 10px;
  }
  .game-shell {
    min-height: calc(100svh - 20px);
    margin-top: 0;
    padding: 72px 0;
  }
  .hud {
    font-size: 12px;
    padding: 8px 10px;
  }
}

/* 3DIMLI seller rally enhancement */
.game-shell {
  width: min(620px, 100%);
}

.card,
.card-lite {
  background: linear-gradient(180deg, rgba(9, 16, 34, 0.88), rgba(5, 10, 22, 0.96));
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.card {
  padding: 28px;
}

.mode-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.mode-pills span {
  padding: 0.5rem 0.78rem;
  border-radius: 999px;
  border: 1px solid rgba(96, 165, 250, 0.18);
  background: rgba(15, 23, 42, 0.6);
  color: #dbeafe;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hud {
  gap: 10px;
}

.hud > div {
  flex: 1;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.62);
  border: 1px solid rgba(148, 163, 184, 0.12);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.canvas-wrap {
  padding: 14px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.7), rgba(8, 15, 32, 0.9));
}

.status-overlay {
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(96, 165, 250, 0.2);
  box-shadow:
    0 20px 44px rgba(2, 6, 23, 0.5),
    0 0 22px rgba(59, 130, 246, 0.18);
  color: #eff6ff;
}

@media (max-width: 600px) {
  body {
    padding: 12px 12px 16px;
  }

  .game-shell {
    width: 100%;
    min-height: calc(100svh - 28px);
    margin-top: 0;
    padding: 72px 0;
  }

  .card {
    padding: 20px 16px;
  }

  h1 {
    font-size: clamp(2.1rem, 11vw, 3rem);
    margin-bottom: 10px;
  }

  p {
    margin-bottom: 14px;
    font-size: 0.95rem;
  }

  .mode-pills {
    gap: 0.45rem;
    margin-bottom: 0.9rem;
  }

  .mode-pills span {
    padding: 0.42rem 0.65rem;
    font-size: 0.7rem;
  }

  button {
    width: min(100%, 250px);
  }

  .hud {
    font-size: 12px;
    padding: 8px 10px;
  }

  .hud > div {
    padding: 8px 10px;
  }

  .canvas-wrap {
    padding: 10px;
  }
}