:root {
  --bg: #eeede8;
  --panel: #24231f;
  --ink: #292a27;
  --muted: #6f706b;
  --line: rgba(231, 169, 76, 0.24);
  --accent: #d28b32;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", Tahoma, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 36%, rgba(255, 255, 255, 0.72), transparent 48%),
    linear-gradient(180deg, #f3f2ed 0%, #e7e6e0 100%);
}

.page {
  width: min(100%, 760px);
  display: grid;
  gap: 20px;
}

.hero {
  text-align: center;
  padding: 8px 0 0;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #68675f;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1;
  color: #292a27;
}

.tagline {
  margin: 12px auto 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1rem;
}

.game-panel {
  position: relative;
  isolation: isolate;
  background: rgba(34, 33, 29, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.5), inset 0 0 30px rgba(231, 169, 76, 0.035);
}

.game-panel::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: inherit;
  background: repeating-linear-gradient(
    to bottom,
    rgba(12, 11, 9, 0.16) 0 1px,
    transparent 1px 4px
  );
  content: "";
  pointer-events: none;
}

canvas {
  display: block;
  width: min(100%, 420px);
  height: auto;
  margin: 0 auto;
  background: linear-gradient(180deg, #171714, #201e19);
  border-radius: 4px;
  border: 1px solid rgba(231, 169, 76, 0.28);
  box-shadow: 0 0 28px rgba(214, 140, 48, 0.1), inset 0 0 24px rgba(214, 140, 48, 0.06);
}