*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overflow:hidden}body{background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit;border:none;outline:none}input{font-family:inherit;outline:none;border:none}:root{--bg: #07071a;--surface: #0d0d28;--surface-2: #14143a;--border: #252560;--border-dim: #1a1a42;--accent: #4488ff;--accent-2: #aa55ff;--accent-glow: rgba(68, 136, 255, .35);--correct: #22ee77;--correct-bg: rgba(34, 238, 119, .18);--wrong: #ff3355;--wrong-bg: rgba(255, 51, 85, .18);--text: #dde4ff;--text-dim: #6677aa;--text-muted: #3a3a6a;--gold: #ffd055;--silver: #c0c0d8;--bronze: #cd7f32;--radius-sm: 8px;--radius: 14px;--radius-lg: 22px;--transition: .18s ease}.app{height:100vh;width:100vw;overflow:hidden;background:radial-gradient(ellipse at 20% 30%,rgba(68,136,255,.07) 0%,transparent 55%),radial-gradient(ellipse at 80% 70%,rgba(170,85,255,.06) 0%,transparent 55%),var(--bg)}.home-page{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:36px;padding:24px;overflow-y:auto}.home-hero{display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}.home-title{font-size:clamp(2.4rem,6vw,4rem);font-weight:800;letter-spacing:-.02em;color:var(--text)}.title-highlight{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.home-subtitle{font-size:1.05rem;color:var(--text-dim);max-width:380px}.theme-picker{display:flex;flex-direction:column;align-items:center;gap:12px}.theme-picker__label{font-size:.85rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em}.theme-picker__options{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.theme-btn{display:flex;align-items:center;gap:7px;padding:10px 20px;border-radius:var(--radius);background:var(--surface);border:1.5px solid var(--border-dim);color:var(--text-dim);font-size:.95rem;font-weight:500;transition:all var(--transition)}.theme-btn:hover{border-color:var(--border);color:var(--text);background:var(--surface-2)}.theme-btn--active{border-color:var(--accent);color:var(--text);background:var(--surface-2);box-shadow:0 0 14px var(--accent-glow)}.theme-btn__emoji{font-size:1.1rem}.play-btn{padding:14px 48px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);color:#fff;font-size:1.15rem;font-weight:700;letter-spacing:.03em;box-shadow:0 4px 24px var(--accent-glow);transition:transform var(--transition),box-shadow var(--transition),opacity var(--transition)}.play-btn:hover{transform:translateY(-2px);box-shadow:0 8px 32px var(--accent-glow)}.play-btn:active{transform:translateY(0);opacity:.9}.home-scores{width:100%;max-width:440px}.game-screen{display:grid;grid-template-rows:52px 1fr 148px;height:100vh;overflow:hidden}.game-hud{display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:#0d0d28bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-dim);z-index:10}.hud-home-btn{background:transparent;color:var(--text-dim);font-size:.88rem;padding:6px 10px;border-radius:var(--radius-sm);transition:color var(--transition),background var(--transition)}.hud-home-btn:hover{color:var(--text);background:var(--surface-2)}.hud-center{display:flex;align-items:center;gap:10px}.hud-theme{font-size:.9rem;color:var(--text-dim)}.hud-round{font-size:.78rem;color:var(--accent-2);background:#aa55ff1f;padding:2px 8px;border-radius:20px;border:1px solid rgba(170,85,255,.3)}.hud-score{font-size:.92rem;color:var(--text-dim)}.hud-score strong{color:var(--gold);font-size:1rem}.canvas-wrapper{position:relative;overflow:hidden}.three-mount{width:100%;height:100%}.feedback-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:clamp(1.8rem,5vw,3rem);font-weight:800;letter-spacing:.02em;pointer-events:none;animation:feedbackIn .12s ease forwards}.feedback-overlay--correct{color:var(--correct);background:var(--correct-bg);text-shadow:0 0 24px var(--correct)}.feedback-overlay--wrong{color:var(--wrong);background:var(--wrong-bg);text-shadow:0 0 24px var(--wrong)}@keyframes feedbackIn{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.guess-area{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:16px 24px;background:#0d0d28bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border-dim)}.guess-prompt{font-size:.88rem;color:var(--text-dim);letter-spacing:.04em;text-transform:uppercase}.guess-form{display:flex;gap:10px;width:100%;max-width:520px}.guess-input{flex:1;padding:12px 18px;border-radius:var(--radius);background:var(--surface-2);border:1.5px solid var(--border-dim);color:var(--text);font-size:1rem;transition:border-color var(--transition),box-shadow var(--transition)}.guess-input::placeholder{color:var(--text-muted)}.guess-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.guess-input:disabled{opacity:.5}.guess-submit{padding:12px 24px;border-radius:var(--radius);background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-size:.95rem;font-weight:600;box-shadow:0 2px 12px var(--accent-glow);transition:transform var(--transition),opacity var(--transition)}.guess-submit:hover:not(:disabled){transform:translateY(-1px)}.guess-submit:disabled{opacity:.4;cursor:not-allowed}.gameover-overlay{height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;overflow-y:auto}.gameover-card{width:100%;max-width:480px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 32px;display:flex;flex-direction:column;align-items:center;gap:20px;box-shadow:0 0 0 1px #4488ff14,0 24px 64px #0009}.gameover-title{font-size:2rem;font-weight:800;color:var(--wrong);text-shadow:0 0 20px rgba(255,51,85,.45)}.gameover-answer{font-size:.95rem;color:var(--text-dim);text-align:center}.gameover-answer strong{color:var(--text)}.gameover-score{display:flex;flex-direction:column;align-items:center;gap:2px}.gameover-score__number{font-size:3.5rem;font-weight:900;color:var(--gold);line-height:1;text-shadow:0 0 24px rgba(255,208,85,.5)}.gameover-score__label{font-size:.85rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em}.hs-entry{width:100%;display:flex;flex-direction:column;align-items:center;gap:10px;padding:16px;background:#ffd0550f;border:1px solid rgba(255,208,85,.2);border-radius:var(--radius)}.hs-entry__badge{font-size:1rem;font-weight:700;color:var(--gold)}.hs-entry__form{display:flex;gap:8px;width:100%}.hs-entry__input{flex:1;padding:10px 14px;background:var(--surface-2);border:1.5px solid var(--border-dim);border-radius:var(--radius-sm);color:var(--text);font-size:.95rem}.hs-entry__input:focus{border-color:var(--gold);box-shadow:0 0 0 3px #ffd05526}.hs-entry__btn{padding:10px 18px;background:var(--gold);color:#07071a;font-weight:700;border-radius:var(--radius-sm);font-size:.9rem;transition:opacity var(--transition)}.hs-entry__btn:hover{opacity:.85}.hs-saved-msg{font-size:.95rem;color:var(--correct)}.gameover-actions{display:flex;gap:12px;width:100%}.action-btn{flex:1;padding:12px;border-radius:var(--radius);font-size:.95rem;font-weight:600;transition:all var(--transition)}.action-btn--primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 2px 12px var(--accent-glow)}.action-btn--primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--accent-glow)}.action-btn--secondary{background:var(--surface-2);color:var(--text-dim);border:1.5px solid var(--border-dim)}.action-btn--secondary:hover{color:var(--text);border-color:var(--border)}.scoreboard{width:100%}.scoreboard--empty p{text-align:center;font-size:.88rem;color:var(--text-muted);padding:12px 0}.scoreboard__title{font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:10px;text-align:center}.scoreboard__list{list-style:none;display:flex;flex-direction:column;gap:6px}.scoreboard__entry{display:grid;grid-template-columns:30px 1fr auto auto;align-items:center;gap:10px;padding:9px 14px;background:var(--surface-2);border:1px solid var(--border-dim);border-radius:var(--radius-sm);font-size:.9rem}.score-medal{font-size:1rem;text-align:center}.score-name{color:var(--text);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.score-pts{color:var(--gold);font-weight:700;font-size:.92rem;white-space:nowrap}.score-date{color:var(--text-muted);font-size:.78rem;white-space:nowrap}.scoreboard--compact .scoreboard__entry{padding:7px 12px;font-size:.85rem}@media (max-width: 480px){.game-screen{grid-template-rows:48px 1fr 140px}.gameover-card{padding:28px 20px}.gameover-score__number{font-size:2.8rem}.scoreboard__entry{grid-template-columns:26px 1fr auto}.score-date{display:none}}