:root {
  --bg: #09111f;
  --bg-accent: #111f36;
  --card: rgba(12, 21, 38, 0.88);
  --card-strong: #12203a;
  --line: rgba(146, 180, 255, 0.18);
  --text: #edf4ff;
  --muted: #a7b6d6;
  --accent: #7be7ff;
  --accent-strong: #79ffb8;
  --warning: #ffd577;
  --danger: #ff8f9f;
  --shadow: 0 24px 60px rgba(1, 7, 20, 0.42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(96, 188, 255, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(121, 255, 184, 0.14), transparent 28%),
    linear-gradient(180deg, #09111f 0%, #07101c 40%, #050b14 100%);
  color: var(--text);
}

a { color: inherit; }
button, input, select, textarea { font: inherit; }
main { display: block; }
.shell { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.hero, .section { padding: 4.5rem 0; }
.section.muted { padding-top: 0; }
.hero-grid, .game-layout, .three-up, .footer-grid {
  display: grid;
  gap: 1.25rem;
}
.hero-grid { grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr); align-items: center; }
.game-layout { grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.45fr) minmax(250px, 0.75fr); align-items: start; }
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.footer-grid { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }

.eyebrow, .mini-label {
  display: inline-flex;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--accent);
}
.hero h1, .section-heading h2, .game-card h3, .info-card h3, .three-up h3 {
  margin: 0;
  line-height: 1.06;
}
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); max-width: 12ch; margin-top: 0.75rem; }
.lead { color: #d8e6ff; font-size: 1.08rem; line-height: 1.7; max-width: 64ch; }
.small-note, .status-copy, .history-heading p, .footer-grid p, li, .doc-card p { color: var(--muted); line-height: 1.65; }
.small-note.no-top { margin-top: 0; }

.card, .doc-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.hero-card { background: linear-gradient(180deg, rgba(18, 31, 56, 0.95), rgba(10, 18, 34, 0.95)); }
.selector-card, .info-card { position: sticky; top: 1rem; }
.info-card { background: linear-gradient(180deg, rgba(15, 28, 47, 0.94), rgba(10, 18, 32, 0.94)); }

.btn {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.92rem 1.2rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { cursor: not-allowed; opacity: 0.45; transform: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent) 0%, #54b9ff 100%); color: #031222; font-weight: 800; }
.btn-secondary { background: rgba(123, 231, 255, 0.12); color: var(--text); border: 1px solid rgba(123, 231, 255, 0.24); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid rgba(255,255,255,0.08); }
.cta-row, .play-actions, .status-bar, .crate-topline, nav { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.cta-row.left { justify-content: flex-start; }
.play-actions.wrap { margin-top: 1rem; }

.bullet-list { margin: 1rem 0 0; padding-left: 1.2rem; }
.bullet-list.compact li + li { margin-top: 0.55rem; }

.board-deck, .load-tray { display: grid; gap: 0.9rem; }
.board-deck { margin-top: 1.2rem; }
.board-card, .load-card, .slot-card, .summary-item {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(15, 25, 44, 0.94);
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}
.board-card { padding: 1rem; cursor: pointer; }
.board-card:hover, .load-card:hover, .slot-card:hover { transform: translateY(-1px); border-color: rgba(123, 231, 255, 0.35); }
.board-card.active, .load-card.active, .slot-card.active { border-color: rgba(121, 255, 184, 0.62); background: rgba(19, 34, 57, 0.98); }
.board-card h3, .load-card h4 { margin: 0; font-size: 1.05rem; }
.board-card p, .board-card li, .load-card p { margin-bottom: 0; }
.board-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.9rem; }
.tag, .status-pill, .weight-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.3rem 0.72rem;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}
.tag { background: rgba(123, 231, 255, 0.12); color: var(--accent); }
.tag.ghost { background: rgba(255,255,255,0.06); color: var(--muted); }
.status-pill { background: rgba(121, 255, 184, 0.14); color: var(--accent-strong); font-weight: 700; }
.status-pill.accent { background: rgba(123, 231, 255, 0.15); color: var(--accent); }
.weight-badge { background: rgba(255, 213, 119, 0.14); color: var(--warning); font-weight: 700; }

.screen[hidden] { display: none !important; }
.hud-grid, .summary-grid, .status-strip {
  display: grid;
  gap: 0.8rem;
}
.hud-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 1rem 0; }
.summary-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.status-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 1rem; }
.hud-card, .summary-stat {
  border-radius: 20px;
  background: rgba(255,255,255,0.03);
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255,255,255,0.05);
}
.hud-card span, .summary-stat span, .status-strip span { display: block; color: var(--muted); font-size: 0.84rem; margin-bottom: 0.3rem; }
.hud-card strong, .summary-stat strong, .status-strip strong { font-size: 1.15rem; }
.signal-card { border-radius: 24px; background: rgba(255,255,255,0.035); padding: 1rem; border: 1px solid rgba(255,255,255,0.06); }

.beam-zone {
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(18, 30, 52, 0.94), rgba(9, 17, 31, 0.94));
  border: 1px solid rgba(146, 180, 255, 0.16);
  padding: 1.2rem;
  margin-top: 1rem;
}
.beam-slots {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.8rem;
  align-items: end;
}
.slot-card {
  min-height: 178px;
  padding: 0.85rem 0.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  cursor: pointer;
}
.slot-card .slot-position { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.04em; }
.slot-card .slot-state { min-height: 86px; display: grid; place-items: center; }
.slot-card .slot-empty {
  width: 100%;
  min-height: 72px;
  border-radius: 18px;
  border: 1px dashed rgba(146, 180, 255, 0.22);
  display: grid;
  place-items: center;
  color: rgba(237, 244, 255, 0.42);
}
.slot-card .slot-load {
  width: 100%;
  min-height: 86px;
  border-radius: 18px;
  padding: 0.75rem;
  background: linear-gradient(180deg, rgba(123, 231, 255, 0.13), rgba(121, 255, 184, 0.10));
  border: 1px solid rgba(121, 255, 184, 0.2);
}
.slot-card .slot-load strong { display: block; }
.slot-card .slot-load span { color: var(--muted); font-size: 0.84rem; }
.slot-card .multiplier { color: var(--accent); font-size: 0.82rem; }
.slot-card.highlight { border-color: rgba(123, 231, 255, 0.46); }

.tray-zone { margin-top: 1rem; }
.compact-head { margin-bottom: 0.75rem; }
.load-tray { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.load-card {
  padding: 0.9rem;
  cursor: pointer;
  min-height: 138px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.load-card.placed { opacity: 0.35; }
.load-card small { color: var(--muted); }
.load-card .load-meta { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }

.summary-list { display: grid; gap: 0.75rem; margin: 1rem 0; }
.summary-item { padding: 0.95rem 1rem; }
.summary-item strong { display: block; margin-bottom: 0.3rem; }

.docs-shell { width: min(860px, calc(100% - 2rem)); margin: 0 auto; padding: 3rem 0; }
.back-link { display: inline-flex; margin-bottom: 1rem; color: var(--accent); text-decoration: none; }
.doc-card h1 { margin: 0.2rem 0 1rem; font-size: clamp(2rem, 5vw, 3rem); }
.doc-card h2 { margin-top: 1.8rem; }
.doc-card ul { padding-left: 1.2rem; }

.site-footer { padding: 1.2rem 0 2rem; }
.footer-entity { text-align: right; }
.footer-grid nav a { text-decoration: none; color: var(--muted); }
.footer-grid nav a:hover { color: var(--text); }

@media (max-width: 1080px) {
  .game-layout { grid-template-columns: 1fr; }
  .selector-card, .info-card { position: static; }
  .load-tray { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 840px) {
  .hero-grid, .three-up, .footer-grid { grid-template-columns: 1fr; }
  .hud-grid, .summary-grid, .status-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .beam-slots { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .beam-slots .slot-card:last-child:nth-child(7) { grid-column: 2 / span 2; }
  .load-tray { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-entity { text-align: left; }
}

@media (max-width: 560px) {
  .hero, .section { padding: 3rem 0; }
  .shell { width: min(100% - 1rem, 1180px); }
  .hud-grid, .summary-grid, .status-strip, .beam-slots, .load-tray { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .cta-row, .play-actions { align-items: stretch; }
}