*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-deep:#0a0a1a;--bg-card:#ffffff0d;--bg-card-hover:#ffffff1a;--border-card:#ffffff1a;--border-card-hover:#8b5cf666;--accent:#8b5cf6;--accent-glow:#8b5cf680;--accent2:#06b6d4;--accent2-glow:#06b6d466;--correct:#10b981;--correct-glow:#10b98180;--wrong:#f43f5e;--wrong-glow:#f43f5e80;--text:#fff;--text-muted:#fff9;--text-dim:#ffffff59;--gold:#fbbf24;--silver:#94a3b8;--bronze:#d97706}html,body,#root{width:100%;height:100%}body{background:var(--bg-deep);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,-apple-system,sans-serif;overflow-x:hidden}#root{min-height:100vh;position:relative}#root:before{content:"";z-index:-1;background:radial-gradient(ellipse 80% 60% at 20% 30%, #8b5cf61f 0%, transparent 60%), radial-gradient(ellipse 60% 80% at 80% 70%, #06b6d414 0%, transparent 60%), radial-gradient(ellipse 90% 50% at 50% 90%, #8b5cf60f 0%, transparent 60%), var(--bg-deep);animation:20s ease-in-out infinite alternate nebula;position:fixed;inset:0}@keyframes nebula{0%{background:radial-gradient(ellipse 80% 60% at 20% 30%, #8b5cf61f 0%, transparent 60%), radial-gradient(ellipse 60% 80% at 80% 70%, #06b6d414 0%, transparent 60%), radial-gradient(ellipse 90% 50% at 50% 90%, #8b5cf60f 0%, transparent 60%), var(--bg-deep)}33%{background:radial-gradient(ellipse 70% 70% at 60% 20%, #06b6d424 0%, transparent 60%), radial-gradient(ellipse 80% 60% at 30% 80%, #8b5cf61a 0%, transparent 60%), radial-gradient(ellipse 50% 80% at 70% 50%, #a855f70f 0%, transparent 60%), var(--bg-deep)}66%{background:radial-gradient(ellipse 60% 80% at 80% 40%, #8b5cf61a 0%, transparent 60%), radial-gradient(ellipse 90% 50% at 20% 60%, #06b6d41f 0%, transparent 60%), radial-gradient(ellipse 70% 70% at 50% 20%, #a855f714 0%, transparent 60%), var(--bg-deep)}to{background:radial-gradient(ellipse 80% 50% at 40% 70%, #06b6d41a 0%, transparent 60%), radial-gradient(ellipse 60% 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24px;display:flex}.score-section{align-items:baseline;gap:10px;display:flex}.score-label{text-transform:uppercase;letter-spacing:1.5px;color:var(--text-dim);font-size:.8rem;font-weight:600}.score-value{color:var(--accent);text-shadow:0 0 20px var(--accent-glow);font-size:2.2rem;font-weight:900}.lives-section{align-items:center;gap:6px;display:flex}.heart{font-size:1.4rem;transition:all .3s}.heart.active{color:var(--wrong);filter:drop-shadow(0 0 6px var(--wrong-glow));animation:1.5s ease-in-out infinite heartbeat}.heart.lost{color:#ffffff26;transform:scale(.85)}@keyframes heartbeat{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}.playing-area{text-align:center;width:100%;animation:.5s fadeInUp}.instruction{color:var(--text-muted);margin-bottom:32px;font-size:1.15rem;font-weight:500;animation:3s ease-in-out infinite pulse-text}@keyframes pulse-text{0%,to{opacity:.7}50%{opacity:1}}.shape-grid{grid-template-columns:repeat(3,1fr);gap:16px;max-width:480px;margin:0 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.shape-label{color:var(--text)}.result-overlay{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;background:#0a0a1ad9;flex-direction:column;justify-content:center;align-items:center;animation:.3s fadeIn;display:flex;position:fixed;inset:0}.result-icon{margin-bottom:16px;font-size:5rem;font-weight:900;animation:.4s cubic-bezier(.175,.885,.32,1.275) popIn}.result-icon.correct{color:var(--correct);text-shadow:0 0 40px var(--correct-glow), 0 0 80px var(--correct-glow)}.result-icon.wrong{color:var(--wrong);text-shadow:0 0 40px var(--wrong-glow), 0 0 80px var(--wrong-glow)}.result-shape-text{color:var(--text-muted);font-size:1.2rem;font-weight:500}.result-shape-text strong{color:var(--text);text-transform:capitalize}@keyframes popIn{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes 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var(--accent));-webkit-text-fill-color:transparent;text-align:center;-webkit-background-clip:text;background-clip:text;font-size:2.2rem;font-weight:900;animation:1.5s ease-in-out infinite alternate pulseGlow}@keyframes pulseGlow{0%{filter:drop-shadow(0 0 10px #fbbf2480);transform:scale(1)}to{filter:drop-shadow(0 0 30px #fbbf24cc);transform:scale(1.05)}}.highscore-score{color:var(--gold);text-shadow:0 0 40px #fbbf2480;margin:12px 0 32px;font-size:5rem;font-weight:900}.highscore-form{flex-direction:column;align-items:center;gap:16px;display:flex}.highscore-input{color:var(--text);text-align:center;background:#ffffff14;border:1px solid #ffffff26;border-radius:12px;outline:none;width:260px;padding:14px 20px;font-family:Inter,sans-serif;font-size:1.1rem;transition:all .3s}.highscore-input:focus{border-color:var(--accent);box-shadow:0 0 20px var(--accent-glow)}.highscore-input::placeholder{color:var(--text-dim)}.confetti-container{pointer-events:none;z-index:201;position:fixed;inset:0;overflow:hidden}.confetti-piece{width:10px;height:10px;animation:linear forwards confettiFall;position:absolute;top:-20px}@keyframes confettiFall{0%{opacity:1;transform:translateY(0)rotate(0)scale(1)}80%{opacity:1}to{opacity:0;transform:translateY(100vh)rotate(720deg)scale(.5)}}.leaderboard{width:100%;max-width:480px;margin:0 auto;padding:24px}.leaderboard h2{text-align:center;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);margin-bottom:20px;font-size:1.2rem;font-weight:700}.leaderboard-table{border-collapse:collapse;width:100%}.leaderboard-table th{text-transform:uppercase;letter-spacing:1.5px;color:var(--text-dim);text-align:left;border-bottom:1px solid #ffffff14;padding:8px 12px;font-size:.7rem;font-weight:600}.leaderboard-table th:last-child{text-align:right}.leaderboard-table td{border-bottom:1px solid #ffffff0a;padding:12px;font-size:.95rem}.leaderboard-table td:last-child{text-align:right;font-variant-numeric:tabular-nums;font-weight:700}.leaderboard-table tr.rank-1 td{color:var(--gold)}.leaderboard-table tr.rank-2 td{color:var(--silver)}.leaderboard-table tr.rank-3 td{color:var(--bronze)}.leaderboard-table tr.current td{color:var(--accent);text-shadow:0 0 10px var(--accent-glow)}.rank-badge{border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:.8rem;font-weight:800;display:inline-flex}.rank-1 .rank-badge{color:var(--gold);background:#fbbf2433}.rank-2 .rank-badge{color:var(--silver);background:#94a3b833}.rank-3 .rank-badge{color:var(--bronze);background:#d9770633}.mt-4{margin-top:32px}.mt-2{margin-top:16px}.loading-text{color:var(--text-dim);text-align:center;padding:20px;font-size:.9rem;animation:2s ease-in-out infinite pulse-text}.mode-buttons{flex-wrap:wrap;justify-content:center;gap:16px;margin-top:40px;display:flex}.btn-hard{border:2px solid var(--wrong);color:var(--wrong);letter-spacing:.5px;cursor:pointer;background:#f43f5e1a;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 34px;font-family:Inter,sans-serif;font-size:1rem;font-weight:700;transition:all .3s;display:inline-flex;box-shadow:0 0 15px #f43f5e33}.btn-hard:hover{background:#f43f5e33;transform:translateY(-2px);box-shadow:0 0 30px #f43f5e66}.btn-hard:active{transform:translateY(0)}.mode-badge{text-transform:uppercase;letter-spacing:1.5px;border-radius:20px;margin-left:12px;padding:4px 10px;font-size:.65rem;font-weight:700}.mode-badge.normal{color:var(--accent);background:#8b5cf633;border:1px solid #8b5cf64d}.mode-badge.hard{color:var(--wrong);background:#f43f5e33;border:1px solid #f43f5e4d;animation:2s ease-in-out infinite pulse-text}.game-actions{justify-content:center;gap:12px;width:100%;margin-bottom:8px;display:flex}.btn-ghost{color:var(--text-dim);cursor:pointer;letter-spacing:.5px;background:0 0;border:1px solid #ffffff1a;border-radius:8px;padding:8px 16px;font-family:Inter,sans-serif;font-size:.8rem;font-weight:600;transition:all .3s}.btn-ghost:hover{color:var(--text);border-color:var(--accent);background:#8b5cf614;box-shadow:0 0 15px #8b5cf626}.leaderboard-overlay{z-index:150;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0a0a1ad9;justify-content:center;align-items:center;animation:.3s fadeIn;display:flex;position:fixed;inset:0}.leaderboard-modal{width:90%;max-width:500px;max-height:80vh;padding:32px;position:relative;overflow-y:auto}.modal-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 8px;font-size:1.2rem;transition:all .2s;position:absolute;top:12px;right:16px}.modal-close:hover{color:var(--text);background:#ffffff1a}.stats-modal{width:95%;max-width:640px;max-height:85vh;padding:32px;position:relative;overflow-y:auto}.stats-tabs{background:#ffffff0d;border-radius:10px;gap:4px;margin-bottom:24px;padding:4px;display:flex}.stats-tab{color:var(--text-dim);cursor:pointer;letter-spacing:.5px;background:0 0;border:none;border-radius:8px;flex:1;padding:10px 16px;font-family:Inter,sans-serif;font-size:.85rem;font-weight:600;transition:all .2s}.stats-tab.active{background:var(--accent);color:var(--text);box-shadow:0 0 15px var(--accent-glow)}.stats-tab:not(.active):hover{color:var(--text-muted);background:#ffffff0d}.stats-overview{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px;display:grid}@media (width<=500px){.stats-overview{grid-template-columns:repeat(2,1fr)}}.stat-card{text-align:center;background:#ffffff0a;border:1px solid #ffffff14;border-radius:12px;padding:16px 12px}.stat-card-icon{margin-bottom:4px;font-size:1.4rem}.stat-card-value{color:var(--accent);font-variant-numeric:tabular-nums;font-size:1.5rem;font-weight:800}.stat-card-label{text-transform:uppercase;letter-spacing:1.5px;color:var(--text-dim);margin-top:4px;font-size:.65rem;font-weight:600}.stats-section{margin-bottom:28px}.stats-section-title{text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);margin-bottom:14px;font-size:.85rem;font-weight:700}.bar-chart{align-items:flex-end;gap:8px;height:140px;padding:0 8px;display:flex}.bar-chart-col{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;height:100%;display:flex}.bar-chart-bar{border-radius:6px 6px 0 0;width:100%;min-height:4px;transition:height .5s;position:relative}.bar-chart-bar.good{background:linear-gradient(#10b981,#059669)}.bar-chart-bar.mid{background:linear-gradient(#fbbf24,#d97706)}.bar-chart-bar.bad{background:linear-gradient(#f43f5e,#dc2626)}.bar-chart-pct{color:var(--text);font-variant-numeric:tabular-nums;margin-bottom:4px;font-size:.7rem;font-weight:700}.bar-chart-label{color:var(--text-dim);text-align:center;margin-top:6px;font-size:.65rem}.bar-chart-score{color:var(--text-dim);font-size:.6rem}.stats-table{border-collapse:collapse;width:100%}.stats-table th{text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);text-align:left;border-bottom:1px solid #ffffff14;padding:8px;font-size:.65rem;font-weight:600}.stats-table th:last-child{text-align:right}.stats-table td{vertical-align:middle;border-bottom:1px solid #ffffff0a;padding:10px 8px;font-size:.85rem}.stats-table td:last-child{text-align:right;font-weight:600}.stats-table .highlight-best td{color:var(--correct)}.stats-table .highlight-worst td{color:var(--wrong)}.acc-bar-bg{background:#ffffff14;border-radius:3px;width:100%;height:6px;margin-top:4px}.acc-bar-fill{background:var(--accent);border-radius:3px;height:100%;transition:width .5s}.highlight-best .acc-bar-fill{background:var(--correct)}.highlight-worst .acc-bar-fill{background:var(--wrong)}.color-swatch{vertical-align:middle;border:1px solid #fff3;border-radius:50%;width:12px;height:12px;margin-right:8px;display:inline-block}.bias-bars{flex-direction:column;gap:8px;display:flex}.bias-row{align-items:center;gap:10px;display:flex}.bias-label{text-transform:capitalize;width:80px;color:var(--text-muted);font-size:.8rem;font-weight:600}.bias-bar-bg{background:#ffffff0f;border-radius:6px;flex:1;height:20px;overflow:hidden}.bias-bar-fill{background:linear-gradient(90deg, var(--accent), var(--accent2));border-radius:6px;justify-content:flex-end;align-items:center;min-width:30px;height:100%;padding-right:8px;transition:width .5s;display:flex}.bias-pct{color:var(--text);font-size:.7rem;font-weight:700}.timeline{flex-direction:column;gap:2px;display:flex}.timeline-row{border-radius:8px;align-items:center;gap:12px;padding:8px 12px;font-size:.8rem;display:flex}.timeline-row.correct{border-left:3px solid var(--correct);background:#10b98114}.timeline-row.wrong{border-left:3px solid var(--wrong);background:#f43f5e14}.timeline-round{color:var(--text-dim);min-width:24px;font-weight:700}.timeline-detail{color:var(--text-muted);flex:1}.timeline-detail strong{color:var(--text)}.timeline-result{font-size:1rem;font-weight:800}.timeline-result.correct{color:var(--correct)}.timeline-result.wrong{color:var(--wrong)}.best-worst{grid-template-columns:1fr 1fr;gap:12px;display:grid}.bw-card{text-align:center;border:1px solid #ffffff14;border-radius:12px;padding:16px}.bw-card.best{background:#10b98114;border-color:#10b98133}.bw-card.worst{background:#f43f5e14;border-color:#f43f5e33}.bw-card-label{text-transform:uppercase;letter-spacing:1.5px;margin-bottom:6px;font-size:.65rem;font-weight:600}.bw-card.best .bw-card-label{color:var(--correct)}.bw-card.worst .bw-card-label{color:var(--wrong)}.bw-card-shape{text-transform:capitalize;color:var(--text);font-size:1.2rem;font-weight:800}.stats-empty{text-align:center;color:var(--text-dim);padding:40px 20px;font-size:.95rem}.stats-link{text-align:center;margin-top:16px}