:root {
  color-scheme: dark;
  --bg: #0f1021;
  --bg-2: #171932;
  --panel: rgba(28, 31, 63, 0.88);
  --panel-2: rgba(40, 44, 87, 0.9);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f6f3ff;
  --muted: #b9b3d9;
  --accent: #a98fff;
  --accent-2: #7ce7d4;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(169, 143, 255, 0.22), transparent 32%),
    radial-gradient(circle at 20% 20%, rgba(124, 231, 212, 0.12), transparent 20%),
    linear-gradient(180deg, #141631, #0c0d18 70%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,0.8) 0 1px, transparent 1.5px),
    radial-gradient(circle at 85% 22%, rgba(255,255,255,0.7) 0 1px, transparent 1.5px),
    radial-gradient(circle at 72% 80%, rgba(255,255,255,0.65) 0 1px, transparent 1.5px),
    radial-gradient(circle at 20% 76%, rgba(255,255,255,0.55) 0 1px, transparent 1.5px);
}

.shell {
  width: min(980px, calc(100% - 24px));
  margin: 0 auto;
  padding: 18px 0 36px;
}

.topnav {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.topnav a { color: #fff; text-decoration: none; }
.topnav a:hover { text-decoration: underline; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero {
  padding: 26px 22px;
  text-align: center;
  margin-bottom: 14px;
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-2);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.3rem);
}
.subtitle {
  margin: 10px auto 0;
  max-width: 640px;
  color: var(--muted);
  line-height: 1.55;
}

.hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 14px;
  margin-bottom: 14px;
}
.hud div {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
}
.label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
strong { font-size: 1.04rem; }

.rules, .draft-panel, .board-panel, .log-panel {
  padding: 18px;
  margin-bottom: 14px;
}
.rules h2, .draft-panel h2, .log-panel h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}
.rules p, .helper, .summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}
.rules ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--text);
  display: grid;
  gap: 8px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.ghost {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
}
.ghost:hover { background: rgba(255,255,255,0.11); }

.draft {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.fruit-card {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  color: var(--text);
  padding: 14px;
  text-align: left;
  cursor: pointer;
  min-height: 142px;
}
.fruit-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(169, 143, 255, 0.28);
  transform: translateY(-1px);
}
.fruit-card:disabled {
  opacity: 0.45;
  cursor: default;
}
.fruit-card .emoji {
  font-size: 2rem;
  display: block;
  margin-bottom: 8px;
}
.fruit-card .name {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}
.fruit-card .rule {
  display: block;
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.92rem;
}

.board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}
.cell {
  aspect-ratio: 1;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.12), transparent 35%),
    linear-gradient(180deg, rgba(169,143,255,0.16), rgba(124,231,212,0.08));
  position: relative;
  overflow: hidden;
}
.cell.empty.selectable {
  outline: 2px solid rgba(124, 231, 212, 0.65);
  outline-offset: -2px;
  cursor: pointer;
}
.cell.empty.selectable:hover {
  transform: translateY(-1px);
}
.cell button {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.cell .orbit {
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.1);
}
.cell .token {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(1.7rem, 6vw, 2.3rem);
}
.cell .halo {
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  box-shadow: inset 0 0 18px rgba(255,255,255,0.14), 0 0 24px rgba(169, 143, 255, 0.2);
}

.log {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}
.log li {
  color: var(--text);
  line-height: 1.45;
}
.log li span { color: var(--muted); }
.tier-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(124, 231, 212, 0.12);
  border: 1px solid rgba(124, 231, 212, 0.28);
  color: var(--accent-2);
  font-size: 0.84rem;
}

@media (max-width: 760px) {
  .shell { width: min(100% - 16px, 980px); padding-top: 14px; }
  .hud { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .draft { grid-template-columns: 1fr; }
  .rules, .draft-panel, .board-panel, .log-panel, .hero { padding: 16px; }
  .board { gap: 8px; }
  .cell { border-radius: 16px; }
}