/* ============================================================
   AEDO Play — Blueprint Detective. Extends play.css tokens
   (nav/footer/reveal shared from there). Game-specific UI only.
   ============================================================ */

.bd-hero { position: relative; z-index: 1; padding: 44px 0 20px; text-align: center; }
.bd-hero-inner { max-width: 760px; }
.bd-hero h1 { font-family: var(--font2); font-size: clamp(28px, 4.4vw, 44px); line-height: 1.12; margin: 10px 0 12px; letter-spacing: -0.01em; }
.bd-hero p { color: var(--text2); font-size: 17px; margin: 0 auto 18px; max-width: 540px; }
.bd-hero-stats { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin: 18px 0 14px; }
.bd-disclaimer { font-size: 12.5px; color: var(--text3); max-width: 540px; margin: 0 auto; line-height: 1.55; }

.bd-panel { position: relative; z-index: 1; margin: 30px 0; }
.bd-panel-head h2 { font-family: var(--font2); font-size: 24px; margin: 0 0 4px; }
.bd-panel-head p { color: var(--text2); margin: 0 0 20px; font-size: 15px; }

.bd-case-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.bd-case-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px; cursor: pointer; transition: var(--transition); text-align: left; position: relative; }
.bd-case-card:hover:not(.locked) { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border2); }
.bd-case-card.locked { opacity: 0.5; cursor: not-allowed; }
.bd-case-num { font-family: var(--font-mono); font-size: 11.5px; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; }
.bd-case-card h3 { font-size: 17px; margin: 6px 0 6px; font-family: var(--font2); }
.bd-case-card p { font-size: 13px; color: var(--text2); margin: 0 0 12px; min-height: 34px; }
.bd-case-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; }
.bd-case-solved { font-size: 15px; }
.bd-case-tag { font-family: var(--font-mono); font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--blue-tint); color: var(--blue); }
.bd-lock-icon { position: absolute; top: 14px; right: 16px; font-size: 15px; }

.bd-game { position: relative; z-index: 1; margin: 24px 0 40px; }
.bd-game-topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.bd-game-title { text-align: center; flex: 1; min-width: 180px; }
.bd-game-case { font-family: var(--font-mono); font-size: 11.5px; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; }
.bd-game-title h2 { margin: 2px 0 0; font-size: 19px; font-family: var(--font2); }
.bd-brief { text-align: center; color: var(--text2); font-size: 14.5px; max-width: 620px; margin: 0 auto 16px; }

.bd-btn { font-family: var(--font); font-weight: 700; font-size: 14px; border-radius: var(--radius); padding: 10px 16px; border: 1px solid transparent; cursor: pointer; transition: var(--transition); white-space: nowrap; }
.bd-btn-primary { background: var(--accent); color: #fff; }
.bd-btn-primary:hover { background: var(--accent2); }
.bd-btn-ghost { background: var(--card); color: var(--text); border-color: var(--border2); }
.bd-btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.bd-btn-ghost:disabled { opacity: 0.4; cursor: not-allowed; }

.bd-diagram-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 10px; }
#bd-diagram { width: 100%; height: auto; display: block; max-height: 380px; }

.bd-dims-heading { text-align: center; font-size: 14px; font-weight: 700; color: var(--ink); margin: 18px 0 10px; }
.bd-dims { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.bd-dim-chip { background: var(--card); border: 2px solid var(--border2); border-radius: var(--radius); padding: 12px 14px; text-align: left; cursor: pointer; transition: var(--transition); font-family: var(--font); }
.bd-dim-chip:hover:not(:disabled) { border-color: var(--accent); box-shadow: var(--shadow); }
.bd-dim-chip:disabled { cursor: default; }
.bd-dim-letter { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: var(--bg3); font-family: var(--font-mono); font-size: 11px; font-weight: 700; margin-right: 6px; }
.bd-dim-label { font-size: 12.5px; color: var(--text3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; margin-top: 6px; display: block; }
.bd-dim-value { font-family: var(--font-mono); font-size: 16px; font-weight: 700; display: block; margin-top: 2px; }
.bd-dim-chip.correct { border-color: var(--green); background: var(--green-tint); }
.bd-dim-chip.wrong { border-color: var(--red); background: var(--red-tint); }

.bd-hint-line { text-align: center; font-size: 13.5px; color: var(--blue); background: var(--blue-tint); border-radius: var(--radius); padding: 10px 14px; margin-top: 14px; display: none; }
.bd-hint-line.show { display: block; }

.bd-result-overlay[hidden] { display: none; }
.bd-result-overlay { position: fixed; inset: 0; z-index: 900; background: rgba(15,32,51,0.55); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; padding: 20px; }
.bd-result-card { background: var(--card); border-radius: var(--radius-lg); padding: 28px; max-width: 460px; width: 100%; max-height: 88vh; overflow-y: auto; box-shadow: var(--shadow-lg); text-align: center; animation: bd-pop 0.3s cubic-bezier(0.34,1.56,0.64,1); }
@keyframes bd-pop { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.bd-result-icon { font-size: 46px; margin-bottom: 6px; }
.bd-result-card h2 { font-family: var(--font2); font-size: 22px; margin: 0 0 10px; }
.bd-citation { background: var(--accent-tint); border-radius: var(--radius); padding: 12px 14px; text-align: left; font-size: 13.5px; line-height: 1.55; margin: 12px 0; }
.bd-citation b { display: block; color: var(--accent); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 3px; }
.bd-xp-gain { font-family: var(--font-mono); font-weight: 700; color: var(--accent); margin: 4px 0 14px; }
.bd-result-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.bd-result-actions .bd-btn { flex: 1; min-width: 120px; }

@media (prefers-reduced-motion: reduce) {
  .bd-result-card { animation: none; }
}