:root {
  --ink: #f7efe2;
  --muted: #c7b99f;
  --paper: rgba(23, 27, 31, 0.82);
  --paper-strong: rgba(10, 13, 16, 0.94);
  --gold: #f7c873;
  --blue: #77c7ff;
  --green: #9be07b;
  --red: #ff6b5f;
  --shadow: rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Trebuchet MS", "Gill Sans", "Palatino Linotype", serif;
  background:
    radial-gradient(circle at 10% 14%, rgba(247, 200, 115, 0.23), transparent 27rem),
    radial-gradient(circle at 82% 12%, rgba(119, 199, 255, 0.18), transparent 25rem),
    radial-gradient(circle at 68% 88%, rgba(155, 224, 123, 0.12), transparent 22rem),
    linear-gradient(135deg, #0d1216 0%, #20252b 48%, #101316 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent);
}

button {
  border: 0;
  border-radius: 999px;
  color: #14100a;
  background: var(--gold);
  box-shadow: 0 12px 24px var(--shadow);
  cursor: pointer;
  font: 800 0.92rem/1 "Trebuchet MS", sans-serif;
  transition:
    transform 160ms ease,
    filter 160ms ease,
    opacity 160ms ease;
}

button:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

button:active:not(:disabled) {
  transform: translateY(1px) scale(0.98);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 34px 0;
}

.hero {
  max-width: 820px;
  margin-bottom: 24px;
  animation: rise-in 700ms ease both;
}

.eyebrow,
.chapter-count {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3rem, 11vw, 7rem);
  line-height: 0.86;
  text-shadow: 0 18px 40px var(--shadow);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h3 {
  font-size: 1.2rem;
}

.lede {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.22rem);
  line-height: 1.65;
}

.game-card {
  display: grid;
  grid-template-columns: minmax(0, 704px) minmax(300px, 1fr);
  gap: 22px;
  align-items: stretch;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.035));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
  animation: rise-in 700ms 110ms ease both;
}

.canvas-wrap {
  position: relative;
  min-width: 0;
  border: 10px solid rgba(9, 12, 15, 0.84);
  border-radius: 24px;
  overflow: hidden;
  background: #0d1115;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 18px 50px rgba(0, 0, 0, 0.35);
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent),
    var(--paper);
}

.panel p {
  color: var(--muted);
  line-height: 1.6;
}

.chapter {
  padding: 18px;
  border: 1px solid rgba(247, 200, 115, 0.2);
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.22);
}

.story {
  margin-bottom: 0;
}

.stats {
  display: grid;
  gap: 12px;
  margin: 0;
}

.stats div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.24);
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 260px;
  margin: 0 auto;
}

.controls button {
  min-height: 48px;
  padding: 0 14px;
}

.controls button:first-child,
.controls button:last-child {
  grid-column: 2;
}

.controls button[data-action] {
  background: var(--blue);
}

.button-row {
  display: flex;
  gap: 10px;
}

.secondary {
  flex: 1;
  min-height: 44px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.13);
  box-shadow: none;
}

details {
  color: var(--muted);
}

summary {
  color: var(--gold);
  cursor: pointer;
  font-weight: 900;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .game-card {
    grid-template-columns: 1fr;
  }

  .panel {
    order: -1;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 16px, 1180px);
    padding: 18px 0;
  }

  .game-card {
    padding: 10px;
    border-radius: 24px;
  }

  .panel {
    padding: 18px;
  }

  .button-row {
    flex-wrap: wrap;
  }
}