.circuit-builder-main{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;padding:var(--space-4, 16px);box-sizing:border-box}.circuit-builder-card{width:100%;max-width:480px;background:var(--color-surface-raised, #ffffff);border:1.5px solid var(--color-border-subtle, rgba(0,0,0,.15));border-radius:var(--radius-2xl, 24px);padding:var(--space-6, 24px);box-shadow:0 10px 30px #00000014;display:flex;flex-direction:column;align-items:center;gap:var(--space-4, 16px);box-sizing:border-box;text-align:center;color:var(--color-text-primary);position:relative}.circuit-hud{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%;box-sizing:border-box}.circuit-hud-box{padding:10px 12px;border-radius:14px;border:2px solid var(--color-border-subtle, #e2e8f0);background:var(--color-surface-sunken, #f8fafc);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:all .25s ease}.circuit-hud-target{border-color:#0284c7;background:#0284c714}.circuit-hud-target .circuit-hud-title{color:#0284c7}.circuit-hud-match{border-color:#22c55e;background:#22c55e1f;box-shadow:0 0 16px #22c55e4d}.circuit-hud-match .circuit-hud-title{color:#15803d}.circuit-hud-mismatch{border-color:#ef4444;background:#ef444414}.circuit-hud-mismatch .circuit-hud-title{color:#b91c1c}.circuit-hud-title{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}.circuit-hud-value{font-size:14px;font-weight:900;display:flex;align-items:center;gap:6px}.circuit-schematic-panel{background:var(--color-surface-sunken, #f8fafc);padding:18px;border-radius:16px;width:100%;color:var(--color-text-primary);border:1px solid var(--color-border-subtle, rgba(0,0,0,.1));box-sizing:border-box;transition:box-shadow .3s}.circuit-schematic-panel--solved{border-color:#22c55e;box-shadow:0 0 20px #22c55e59}.circuit-schematic-title{margin:0 0 10px;color:var(--game-accent, #0284c7);font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:.5px}.circuit-section-title{margin:12px 0 6px;font-size:13px;font-weight:800;color:var(--color-text-secondary);text-align:left;width:100%}.gate-sel-btn{height:48px;min-height:48px;padding:10px 4px;font-size:15px;font-weight:800;border-radius:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;background:var(--color-surface-sunken);color:var(--color-text-secondary);border:1.5px solid var(--color-border-subtle);transition:all .15s}.gate-sel-btn--active{background:var(--game-accent, #0284c7)!important;color:#fff!important;border-color:var(--game-accent, #0284c7)!important;box-shadow:0 0 10px #0284c766}.circuit-celebration-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172ae0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:var(--radius-2xl, 24px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;z-index:20;animation:zlSlideUp .3s ease-out;color:#fff}.circuit-celebration-badge{font-size:56px;margin-bottom:8px;filter:drop-shadow(0 0 12px rgba(234,179,8,.6));animation:pulseGlow 1.5s infinite alternate}@keyframes pulseGlow{0%{transform:scale(1);filter:drop-shadow(0 0 8px rgba(234,179,8,.5))}to{transform:scale(1.1);filter:drop-shadow(0 0 20px rgba(234,179,8,.9))}}.circuit-celebration-title{font-size:24px;font-weight:900;color:#4ade80;margin:0 0 8px}.circuit-celebration-desc{font-size:14px;color:#cbd5e1;margin-bottom:16px;max-width:320px}.circuit-celebration-score{font-size:18px;font-weight:800;color:#facc15;margin-bottom:20px;background:#facc1526;border:1px solid rgba(250,204,21,.4);padding:8px 16px;border-radius:999px}