@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600&family=Space+Grotesk:wght@400;600;700&display=swap");

:root {
  --bg-1: #0b1119;
  --bg-2: #10242d;
  --bg-3: #1b1d2a;
  --panel: #111622;
  --panel-2: #1b2232;
  --accent: #f97316;
  --accent-2: #38bdf8;
  --accent-3: #facc15;
  --text: #eef2ff;
  --muted: #b7c3d6;
  --grid: rgba(255, 255, 255, 0.08);
  --shadow: 0 30px 60px rgba(6, 8, 12, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "IBM Plex Mono", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(56, 189, 248, 0.18), transparent 55%),
    radial-gradient(1000px 600px at 110% 10%, rgba(249, 115, 22, 0.18), transparent 50%),
    linear-gradient(140deg, var(--bg-1), var(--bg-2) 55%, var(--bg-3));
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  filter: blur(0);
  opacity: 0.2;
  z-index: -1;
}

body::before {
  top: -120px;
  left: 8%;
  background: radial-gradient(circle at 30% 30%, rgba(250, 204, 21, 0.6), transparent 70%);
}

body::after {
  bottom: -140px;
  right: 6%;
  background: radial-gradient(circle at 70% 40%, rgba(56, 189, 248, 0.6), transparent 70%);
}

.layout {
  width: min(1100px, 94vw);
  display: grid;
  gap: 24px;
  animation: riseIn 700ms ease-out both;
}

.intro {
  display: grid;
  gap: 6px;
}

.intro__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.intro__subtitle {
  font-size: 16px;
  color: var(--muted);
}

.game {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 260px;
  gap: 24px;
  align-items: start;
}

.board-card {
  background: linear-gradient(160deg, rgba(15, 19, 30, 0.9), rgba(12, 16, 24, 0.9));
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#board {
  width: 100%;
  aspect-ratio: 1 / 2;
  display: block;
  border-radius: 16px;
  background: #0a0f16;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.panel {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border-radius: 18px;
  padding: 18px;
  display: grid;
  gap: 18px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-grid {
  display: grid;
  gap: 12px;
}

.stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat strong {
  font-size: 18px;
  color: var(--text);
  letter-spacing: 0.04em;
}

.next-card {
  background: rgba(6, 9, 14, 0.7);
  border-radius: 14px;
  padding: 12px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.next-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 8px;
}

#next {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.status {
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: rgba(249, 115, 22, 0.12);
  color: var(--accent-3);
  text-align: center;
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

button {
  border: none;
  border-radius: 12px;
  padding: 10px 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #10141f;
  background: linear-gradient(120deg, var(--accent), var(--accent-3));
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
  box-shadow: 0 10px 20px rgba(249, 115, 22, 0.25);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(249, 115, 22, 0.35);
}

button:active {
  transform: translateY(0);
}

.controls {
  display: grid;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
}

.controls__title {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--accent-2);
}

.controls__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.key {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

@media (max-width: 900px) {
  body {
    padding: 20px;
  }

  .game {
    grid-template-columns: 1fr;
  }

  .panel {
    order: 2;
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}