* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(120% 80% at 50% -10%, var(--bg-2), var(--bg));
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100dvh;
}
#app { max-width: 520px; margin: 0 auto; padding: calc(12px + var(--safe-top)) 16px calc(16px + var(--safe-bottom)); }
.screen { display: block; }
.screen[hidden] { display: none; }

.back-link { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.brand { text-align: center; margin: 22px 0; }
.brand-mark { font-size: 3rem; }
.brand h1 { margin: 6px 0 2px; font-size: 2rem; }
.tagline, .muted { color: var(--muted); }
.best-line { text-align: center; color: var(--muted); min-height: 1.2em; }

.btn-primary, .btn-ghost, .btn-draw, .btn-vent {
  border: 0; border-radius: var(--radius); font-size: 1.05rem; font-weight: 700;
  padding: 15px 18px; width: 100%; margin-top: 12px; cursor: pointer; color: var(--text);
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0b0f1a; }
.btn-ghost { background: var(--card); border: 1px solid var(--card-border); }

.title-wrap, .center-wrap { text-align: center; }
.center-wrap { padding-top: 40px; }
.big-mark { font-size: 4rem; }
.big-mark.good { filter: drop-shadow(0 0 12px var(--good)); }

.play-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.inspection-tag { color: var(--muted); font-weight: 600; }
.modifier-banner {
  background: color-mix(in srgb, var(--bad) 18%, transparent);
  border: 1px solid var(--bad); border-radius: 12px; padding: 8px 12px; margin-bottom: 12px;
  color: var(--text); font-size: 0.9rem; text-align: center;
}

/* Criticality gauge — the showpiece */
.gauge { margin: 8px 0 14px; }
.gauge-track {
  height: 26px; border-radius: 13px; overflow: hidden;
  background: var(--card); border: 1px solid var(--card-border);
}
.gauge-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--gold) 62%, var(--bad) 100%);
  background-size: 160% 100%; background-position: 0% 0%;
  transition: width 0.28s cubic-bezier(.2,.7,.3,1);
}
.gauge-fill.hot { box-shadow: 0 0 18px var(--bad); }
.gauge-label { text-align: center; margin-top: 6px; color: var(--muted); font-variant-numeric: tabular-nums; }

.readouts { display: flex; gap: 12px; }
.readout {
  flex: 1; background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 12px; text-align: center;
}
.ro-label { display: block; color: var(--muted); font-size: 0.8rem; }
.ro-value { font-size: 1.6rem; font-weight: 800; font-variant-numeric: tabular-nums; }

.quota-row { text-align: center; margin: 12px 0; font-weight: 700; font-variant-numeric: tabular-nums; }
.cycle-pill { display: inline-block; margin-left: 8px; color: var(--muted); font-weight: 600; }

.drawn-row { display: flex; flex-wrap: wrap; gap: 6px; min-height: 40px; margin: 8px 0; }
.drawn-cell { font-size: 1.4rem; animation: cellIn 0.2s ease; }
@keyframes cellIn { from { transform: scale(0.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.cores-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 14px; }
.core-chip {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px 8px;
  background: var(--card); border: 1px solid var(--card-border); border-radius: 999px; font-size: 0.85rem;
}

.play-actions { display: flex; gap: 12px; }
.btn-draw { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0b0f1a; }
.btn-vent { background: var(--card); border: 1px solid var(--good); color: var(--good); }
.btn-draw:disabled, .btn-vent:disabled { opacity: 0.4; }

.shop-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-bottom: 8px; }
.shop-card {
  display: flex; align-items: center; gap: 10px; text-align: left;
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 12px; color: var(--text); cursor: pointer; width: 100%;
}
.shop-card .sc-glyph { font-size: 1.6rem; }
.shop-card .sc-body { flex: 1; }
.shop-card .sc-name { font-weight: 700; }
.shop-card .sc-desc { color: var(--muted); font-size: 0.85rem; }
.shop-card .sc-price { font-weight: 800; color: var(--gold); }
.shop-card:disabled { opacity: 0.45; cursor: default; }
.credits { font-weight: 800; color: var(--gold); }
.shop-actions { display: flex; gap: 12px; margin-top: 10px; }
.shop-actions .btn-ghost, .shop-actions .btn-primary { margin-top: 0; }

@media (prefers-reduced-motion: reduce) {
  .gauge-fill { transition: none; }
  .drawn-cell { animation: none; }
}