:root {
  --ground: #0d0f1a;
  --surface: #151829;
  --surface-raised: #1c2038;
  --gold: #d2962a;
  --gold-dim: #a07020;
  --cyan: #3ecfcf;
  --purple: #8b5cf6;
  --red: #e05555;
  --green: #4caf50;
  --yellow: #e0b040;
  --blue-card: #5b8dd9;
  --black-card: #555;
  --text: #c8c0b0;
  --text-dim: #887e70;
  --text-bright: #eae4da;
  --border: #2a2d44;
}

@media (prefers-color-scheme: light) {
  :root {
    --ground: #f0ece4;
    --surface: #e8e2d6;
    --surface-raised: #ddd6c8;
    --gold: #a07020;
    --gold-dim: #8a6018;
    --cyan: #1a8a8a;
    --purple: #6d3fcf;
    --red: #c03030;
    --green: #2d8030;
    --yellow: #9a7020;
    --blue-card: #3a6ab8;
    --black-card: #444;
    --text: #3a3428;
    --text-dim: #6a6050;
    --text-bright: #1a1610;
    --border: #c8c0b0;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--ground);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.page {
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.header-logo {
  width: 96px;
  height: 96px;
  image-rendering: pixelated;
  margin-bottom: 1rem;
}

h1, h2, h3 {
  font-family: 'Cinzel', 'Georgia', serif;
  color: var(--text-bright);
  text-wrap: balance;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
  max-width: 55ch;
  margin-left: auto;
  margin-right: auto;
}

.requires {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.requires strong {
  color: var(--text);
}

.links {
  margin-top: 0.8rem;
  font-size: 0.85rem;
}

.links a {
  color: var(--cyan);
  text-decoration: none;
}

.links a:hover { text-decoration: underline; }

.links .sep { color: var(--text-dim); margin: 0 0.5rem; }

h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

h2 .accent { color: var(--gold); }

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

p { margin-bottom: 1rem; max-width: 65ch; }

ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

ul li {
  padding-left: 1.2rem;
  position: relative;
  max-width: 65ch;
}

ul li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--gold-dim);
  font-size: 0.6rem;
  top: 0.45em;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem;
}

.feature-card h3 {
  margin-top: 0;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  margin-bottom: 0;
  color: var(--text-dim);
}

/* Badges */
.badge {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  vertical-align: middle;
}

.badge-new { background: var(--cyan); color: var(--ground); }
.badge-updated { background: var(--purple); color: #fff; }

/* Card sprites row */
.card-sprites {
  display: flex;
  gap: 0.6rem;
  margin: 1rem 0 1.5rem;
  flex-wrap: wrap;
}

.card-sprite {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.card-sprite img {
  width: 48px;
  height: 48px;
  image-rendering: pixelated;
}

.card-sprite span {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Card type table */
.card-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.card-table-wrap { overflow-x: auto; }

.card-table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-bright);
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--border);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.card-table tr:last-child td { border-bottom: none; }

.card-table .card-icon {
  width: 24px;
  height: 24px;
  image-rendering: pixelated;
  vertical-align: middle;
  margin-right: 0.4rem;
}

/* GUI showcase */
.gui-showcase {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
  justify-content: center;
}

.gui-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.gui-item img {
  width: 200px;
  height: 200px;
  image-rendering: pixelated;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.gui-item span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.gui-caption {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-style: italic;
  text-align: center;
  margin-top: 0.5rem;
  max-width: 100%;
}

/* Recipe block */
.recipe {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem 1.5rem;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
}

.recipe-title {
  font-family: 'Cinzel', serif;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  margin-bottom: 0.7rem;
  max-width: 240px;
}

.recipe-cell {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.4rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-dim);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.recipe-cell img {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
}

.recipe-cell.recipe-arrow {
  background: none;
  border: none;
  color: var(--gold);
  font-size: 1.2rem;
  justify-content: center;
}

.recipe-layout {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.recipe-output {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 140px;
}

.recipe-output img {
  width: 64px;
  height: 64px;
  image-rendering: pixelated;
}

.recipe-output span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}

.recipe-arrow-large {
  color: var(--gold);
  font-size: 2.2rem;
  line-height: 1;
  align-self: center;
  flex: 1;
  text-align: center;
}

.recipe-result {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.recipe-result strong { color: var(--text); }

/* 3D block recipe icons */
.block-3d-wrap {
  width: 140px;
  height: 210px;
  perspective: 800px;
  position: relative;
}
.block-3d-wrap .world {
  position: absolute;
  left: 50%;
  top: 50%;
  transform-style: preserve-3d;
}
.block-3d-wrap .box {
  position: absolute;
  transform-style: preserve-3d;
  left: 0;
  top: 0;
}
.block-3d-wrap .face {
  position: absolute;
  left: 50%;
  top: 50%;
}

@media (max-width: 500px) {
  .recipe-layout {
    flex-direction: column;
    align-items: center;
  }
  .recipe-arrow-large {
    transform: rotate(90deg);
    flex: 0;
    font-size: 1.8rem;
    margin: 0.3rem 0;
  }
  .block-3d-wrap {
    width: 120px;
    height: 180px;
    perspective: 600px;
  }
  .recipe-grid {
    max-width: 100% !important;
  }
}

/* Callout */
.callout {
  background: var(--surface);
  border-left: 3px solid var(--cyan);
  border-radius: 0 6px 6px 0;
  padding: 1rem 1.2rem;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
}

.callout p { margin-bottom: 0.4rem; }
.callout p:last-child { margin-bottom: 0; }

.callout .label {
  color: var(--cyan);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Compatibility */
.compat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem 1.5rem;
  margin: 1rem 0;
}

.compat h3 { margin-top: 0; color: var(--green); }
.compat p { font-size: 0.9rem; margin-bottom: 0.5rem; }
.compat p:last-child { margin-bottom: 0; }

/* Separator */
hr.sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* Footer */
.footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-style: italic;
}

.footer a { color: var(--cyan); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* Hamburger nav */
.nav-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  transition: background 0.2s;
}

.nav-toggle:hover { background: var(--surface-raised); }

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  top: 0;
  right: -280px;
  z-index: 999;
  width: 280px;
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  padding: 4.5rem 1.5rem 2rem;
  transition: right 0.3s ease;
  overflow-y: auto;
}

.nav-menu.open { right: 0; }

.nav-menu a {
  display: block;
  padding: 0.6rem 0;
  color: var(--text);
  text-decoration: none;
  font-family: 'Cinzel', serif;
  font-size: 0.9rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  transition: color 0.15s;
}

.nav-menu a:first-child { border-top: 1px solid var(--border); }

.nav-menu a:hover { color: var(--gold); }

.nav-menu a .nav-badge {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.55rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  background: var(--cyan);
  color: var(--ground);
  margin-left: 0.4rem;
  vertical-align: middle;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 500px) {
  .page { padding: 2rem 1rem 3rem; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.15rem; margin-top: 2rem; }
  .gui-item img { width: 150px; height: 150px; }
  .gui-showcase { gap: 0.6rem; }
  .card-table { font-size: 0.8rem; }
  .card-table th, .card-table td { padding: 0.4rem 0.5rem; }
  .card-sprites { gap: 0.4rem; justify-content: center; }
  .card-sprite img { width: 40px; height: 40px; }
  .card-sprite span { font-size: 0.6rem; }
  .subtitle { font-size: 0.85rem; }
  .recipe { padding: 1rem; }
  .recipe-grid { max-width: 100%; }
  .nav-menu { width: min(280px, 80vw); }
  .feature-card { padding: 1rem; }
  .feature-card h3 { font-size: 0.85rem; }
  .feature-card p { font-size: 0.8rem; }
  .header-logo { width: 72px; height: 72px; }
}