html.night-play{color-scheme:dark;--paper:#10141d!important;--panel:#1b2230!important;--ink:#edf0f7!important;--muted:#adb8ca!important;--line:#364052!important;--edge:#485267!important;--shadow:#0005!important;--accent:var(--night-accent)!important;--tile:var(--night-tile)!important}
html.night-play body{background:#10141d!important;color:#edf0f7!important}
html.night-play .game-heading h1{color:var(--night-accent)}
html.night-play .game-well{background:#161c28;border-color:#485267;box-shadow:4px 6px 0 #0004}
html.night-play .note{background:#1b2230}
html.night-play .sample-label{color:#edf0f7;background:var(--night-tile)}
html.night-play .ad-space{color:#aab6c8}
.night-controls{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin:14px 0}.night-toggle{border:1px solid var(--line);border-radius:22px;background:var(--panel);color:var(--ink);padding:8px 14px;font:700 12px inherit;min-height:44px}.night-toggle[aria-checked=true]{border-color:var(--night-accent,#aaafff);color:var(--night-accent,#aaafff)}.night-caption{font-size:11px;color:var(--muted)}html.night-play .card-art,html.night-play .next-card{background:var(--night-tile);color:var(--night-accent)}html.night-play .art-letter{background:#283247}html.night-play .hero-toy span{background:#293348;color:#d2b1ff}html.night-play .play-label{color:var(--night-accent)}html.night-play .resume{background:#252e43}html.night-play .game-card{color:var(--ink)}

#night-discovery{margin:6px 0 32px}.signal-discovery{display:block;position:relative;padding:2px;border-radius:22px;overflow:hidden;background:linear-gradient(110deg,#ffd563,#ff5bd6,#42e8ff,#ffd563);background-size:300% 100%;animation:signal-trail 7s linear infinite;box-shadow:0 0 24px #ffd56324,0 0 45px #42e8ff10}.signal-discovery-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px;background:radial-gradient(ellipse at top right,#263345,#101724 65%);border-radius:20px;color:#edf6ff}.discovery-badge{display:inline-block;background:#ffd563;color:#201c0e;border-radius:5px;font-size:10px;font-weight:900;letter-spacing:1.3px;padding:6px 9px}.discovery-exclusive{color:#b8c6dc;font-size:10px;letter-spacing:2px;margin:17px 0 7px}.signal-discovery h2{font-size:38px;color:#ffd563;letter-spacing:-1.5px;margin:0 0 10px;line-height:1.1}.signal-discovery h2 span{font-size:25px;margin-left:20px;color:#42e8ff}.discovery-copy{color:#bdcadd;font-size:13px;line-height:1.7;margin:0 0 18px}.discovery-cta{font-size:13px;font-weight:800;color:#ffd563}.signal-art{width:210px;max-width:35%;flex-shrink:0;filter:drop-shadow(0 0 5px #42e8ff55)}.signal-discovery:focus-visible{outline:3px solid #ffd563;outline-offset:5px}.signal-discovery:hover{box-shadow:0 0 30px #ffd56344}.game-signal .game-heading h1{color:#ffd563!important}@keyframes signal-trail{to{background-position:300% 0}}@media(max-width:520px){.signal-discovery-inner{padding:22px 18px;gap:10px}.signal-art{width:105px;max-width:30%}.signal-discovery h2{font-size:30px}.signal-discovery h2 span{margin-left:8px;font-size:20px}.discovery-copy{font-size:12px}.discovery-badge{font-size:9px;letter-spacing:.8px}}@media(prefers-reduced-motion:reduce){.signal-discovery{animation:none}}

.game-card.neon-logic-card{border:2px solid transparent;background:linear-gradient(var(--panel,#1b2230),var(--panel,#1b2230)) padding-box,linear-gradient(110deg,#ffd563,#ff5bd6,#42e8ff,#ffd563) border-box;background-size:100% 100%,300% 100%;animation:neon-card-trail 7s linear infinite;box-shadow:0 0 20px #42e8ff25,0 0 26px #ff5bd614}.game-card.neon-logic-card:hover{box-shadow:0 0 28px #42e8ff44,0 0 30px #ff5bd622}@keyframes neon-card-trail{to{background-position:0 0,300% 0}}@media(prefers-reduced-motion:reduce){.game-card.neon-logic-card{animation:none}}

/* Keep Night Play easy to discover in either theme. */
.night-controls{margin:18px 0 20px}.night-toggle{border:2px solid #56327f;border-radius:16px;background:#56327f;color:#fff;padding:12px 20px;font-family:inherit;font-size:15px;font-weight:800;line-height:1.35;min-height:48px;box-shadow:0 4px 0 #382052,0 0 0 4px #a780d326;transition:background .15s,box-shadow .15s,transform .15s}.night-toggle:hover{background:#70469b;box-shadow:0 4px 0 #382052,0 0 0 5px #a780d340}.night-toggle:active{transform:translateY(2px);box-shadow:0 2px 0 #382052}.night-toggle[aria-checked=true]{background:#d6b5ff;color:#271b3c;border-color:#b88ae9;box-shadow:0 4px 0 #77509b,0 0 18px #c697ff45}.night-toggle[aria-checked=true]:hover{background:#e4ceff}.night-toggle:focus-visible{outline:3px solid #b66c1b;outline-offset:6px}html.night-play .night-toggle:focus-visible{outline-color:#fff}@media(prefers-reduced-motion:reduce){.night-toggle{transition:none}}