:root{--bg-primary: #0a0e14;--bg-card: rgba(18, 24, 38, .75);--bg-card-hover: rgba(30, 40, 60, .85);--glass-border: rgba(255, 255, 255, .08);--spotify-green: #1DB954;--spotify-green-hover: #1ed760;--spotify-green-glow: rgba(29, 185, 84, .4);--text-main: #f3f4f6;--text-muted: #9ca3af;--streak-fire: #ff5500;--streak-glow: rgba(255, 85, 0, .5);--correct-bg: rgba(16, 185, 129, .2);--correct-border: #10b981;--wrong-bg: rgba(239, 68, 68, .2);--wrong-border: #ef4444;--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Outfit", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);background-image:radial-gradient(circle at 15% 20%,rgba(29,185,84,.12) 0%,transparent 45%),radial-gradient(circle at 85% 80%,rgba(124,58,237,.12) 0%,transparent 45%),radial-gradient(circle at 50% 50%,rgba(14,165,233,.08) 0%,transparent 60%);background-attachment:fixed;color:var(--text-main);font-family:var(--font-family);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}#root{display:flex;flex-direction:column;min-height:100vh}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#0000004d}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--spotify-green)}.glass-panel{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:0 12px 40px #0006}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 2rem;background:#0a0e14d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);position:sticky;top:0;z-index:100}.logo-brand{display:flex;align-items:center;gap:.75rem;font-family:var(--font-display);font-size:1.6rem;font-weight:800;color:#fff;text-decoration:none;cursor:pointer}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,#1db954,#059669);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 0 20px var(--spotify-green-glow)}.logo-badge{background:#1db95426;color:var(--spotify-green);font-size:.75rem;padding:.2rem .5rem;border-radius:6px;font-weight:700;border:1px solid rgba(29,185,84,.3)}.nav-actions{display:flex;align-items:center;gap:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.4rem;border-radius:12px;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);border:none;outline:none}.btn-primary{background:var(--spotify-green);color:#000;box-shadow:0 4px 16px var(--spotify-green-glow)}.btn-primary:hover{background:var(--spotify-green-hover);transform:translateY(-2px);box-shadow:0 6px 24px #1db95480}.btn-secondary{background:#ffffff14;color:#fff;border:1px solid var(--glass-border)}.btn-secondary:hover{background:#ffffff26;transform:translateY(-2px)}.btn-outline{background:transparent;color:var(--spotify-green);border:1px solid var(--spotify-green)}.btn-outline:hover{background:#1db9541a;transform:translateY(-2px)}.container{max-width:960px;margin:2rem auto;padding:0 1.5rem;flex:1;width:100%}.hero-section{text-align:center;margin-bottom:2.5rem}.hero-title{font-family:var(--font-display);font-size:3rem;font-weight:900;letter-spacing:-.02em;line-height:1.15;margin-bottom:.75rem;background:linear-gradient(135deg,#fff,#d1d5db 60%,#1db954);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{color:var(--text-muted);font-size:1.15rem;max-width:600px;margin:0 auto}.mode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}.mode-card{padding:1.75rem;display:flex;flex-direction:column;gap:1rem;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.mode-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--spotify-green),#059669);opacity:0;transition:opacity .3s ease}.mode-card:hover{transform:translateY(-4px);background:var(--bg-card-hover);border-color:#1db9544d}.mode-card:hover:before{opacity:1}.mode-icon-box{width:52px;height:52px;border-radius:14px;background:#1db9541f;color:var(--spotify-green);display:flex;align-items:center;justify-content:center;font-size:1.75rem;border:1px solid rgba(29,185,84,.2)}.mode-title{font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:#fff}.mode-desc{color:var(--text-muted);font-size:.92rem;line-height:1.5}.input-group{display:flex;gap:.5rem;margin-top:.5rem}.input-field{flex:1;background:#0000004d;border:1px solid var(--glass-border);border-radius:10px;padding:.65rem 1rem;color:#fff;font-size:.95rem;outline:none;transition:border-color .2s}.input-field:focus{border-color:var(--spotify-green)}.themes-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-top:1rem}.theme-pill{padding:1rem;background:#ffffff0a;border:1px solid var(--glass-border);border-radius:14px;display:flex;align-items:center;gap:.75rem;cursor:pointer;transition:all .2s ease}.theme-pill:hover{background:#1db9541f;border-color:var(--spotify-green);transform:translateY(-2px)}.theme-pill-icon{font-size:1.5rem}.theme-pill-info h4{font-size:.95rem;font-weight:600;color:#fff}.theme-pill-info p{font-size:.75rem;color:var(--text-muted)}.quiz-board{padding:2rem;display:flex;flex-direction:column;gap:2rem;position:relative}.quiz-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;padding-bottom:1.25rem;border-bottom:1px solid var(--glass-border)}.round-badge{background:#ffffff14;padding:.4rem 1rem;border-radius:20px;font-size:.9rem;font-weight:600;color:#fff;border:1px solid var(--glass-border)}.score-stats{display:flex;align-items:center;gap:1.5rem}.stat-item{display:flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-weight:700;font-size:1.1rem}.streak-badge{display:flex;align-items:center;gap:.4rem;background:linear-gradient(135deg,#f503,#ef444433);border:1px solid rgba(255,85,0,.4);color:#f73;padding:.4rem .9rem;border-radius:20px;animation:pulseStreak 2s infinite alternate}@keyframes pulseStreak{0%{box-shadow:0 0 10px #f503}to{box-shadow:0 0 20px #f509}}.player-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2.5rem 1rem;background:#00000040;border-radius:16px;border:1px solid var(--glass-border);gap:1.5rem;position:relative}.sound-wave{display:flex;align-items:center;gap:6px;height:48px}.wave-bar{width:6px;background:var(--spotify-green);border-radius:4px;animation:soundWave 1.2s infinite ease-in-out alternate;box-shadow:0 0 8px var(--spotify-green-glow)}.wave-bar:nth-child(1){height:20%;animation-delay:.1s}.wave-bar:nth-child(2){height:60%;animation-delay:.3s}.wave-bar:nth-child(3){height:100%;animation-delay:.2s}.wave-bar:nth-child(4){height:40%;animation-delay:.4s}.wave-bar:nth-child(5){height:80%;animation-delay:.15s}.wave-bar:nth-child(6){height:30%;animation-delay:.35s}@keyframes soundWave{0%{transform:scaleY(.3)}to{transform:scaleY(1)}}.timer-bar-container{width:100%;height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden}.timer-bar-fill{height:100%;transition:width .1s linear,background-color .3s ease;border-radius:4px}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}.option-button{padding:1.25rem 1.5rem;background:#ffffff0d;border:1.5px solid var(--glass-border);border-radius:16px;color:#fff;font-family:var(--font-family);text-align:left;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;gap:.25rem;position:relative;overflow:hidden}.option-button:hover:not(:disabled){background:#1db9541a;border-color:var(--spotify-green);transform:translateY(-2px)}.option-button.correct{background:var(--correct-bg)!important;border-color:var(--correct-border)!important;box-shadow:0 0 20px #10b98166}.option-button.wrong{background:var(--wrong-bg)!important;border-color:var(--wrong-border)!important;box-shadow:0 0 20px #ef444466}.option-track-title{font-weight:700;font-size:1.05rem;line-height:1.3}.option-artist-name{color:var(--text-muted);font-size:.88rem}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1.5rem}.modal-content{width:100%;max-width:540px;padding:2.5rem;text-align:center;position:relative}.leaderboard-table{width:100%;border-collapse:collapse;margin-top:1.5rem}.leaderboard-table th{text-align:left;padding:.75rem 1rem;color:var(--text-muted);font-size:.85rem;border-bottom:1px solid var(--glass-border)}.leaderboard-table td{padding:.85rem 1rem;border-bottom:1px solid rgba(255,255,255,.05);font-size:.95rem}.user-row-info{display:flex;align-items:center;gap:.75rem}.user-avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid var(--glass-border)}.blend-card{background:linear-gradient(135deg,#1db95426,#8b5cf62e)!important;border:1.5px solid rgba(139,92,246,.4)!important;box-shadow:0 8px 32px #8b5cf626;transition:all .3s cubic-bezier(.4,0,.2,1)}.blend-card:hover{transform:translateY(-4px);border-color:#1db954cc!important;box-shadow:0 12px 40px #1db95440}.blend-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .6rem;background:#8b5cf640;border:1px solid rgba(139,92,246,.4);color:#c084fc;border-radius:20px;font-size:.75rem;font-weight:600;margin-bottom:.5rem}.quiz-layout{display:grid;grid-template-columns:1fr;gap:1.5rem}.quiz-layout--multiplayer{grid-template-columns:1fr 260px}.options-grid--fixed{display:grid!important;grid-template-columns:1fr 1fr!important;gap:1rem}.mp-live-scoreboard{padding:1rem;height:fit-content;position:sticky;top:100px}.mp-live-scoreboard__header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;color:#fff;font-weight:800;font-size:.9rem;border-bottom:1px solid var(--glass-border);padding-bottom:.6rem}.mp-live-scoreboard__list{display:flex;flex-direction:column;gap:.5rem}.mp-player-row{background:#ffffff0a;border-radius:10px;padding:.5rem .7rem;border:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-between}.mp-player-row__left{display:flex;align-items:center;gap:.4rem;min-width:0}.mp-player-row__rank{font-weight:800;font-size:.8rem;flex-shrink:0}.mp-player-row__info{display:flex;flex-direction:column;min-width:0}.mp-player-row__name{font-weight:700;font-size:.8rem;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mp-player-row__score{font-size:.68rem;color:var(--spotify-green);font-weight:700}.mp-player-row__status{font-size:.7rem;font-weight:700;display:flex;align-items:center;gap:2px;flex-shrink:0}.mp-player-row__status--done{color:#34d399}.mp-player-row__status--waiting{color:var(--text-muted)}.mp-scoreboard{padding:2rem;text-align:center}.mp-scoreboard__header{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:.5rem}.mp-scoreboard__title{font-family:var(--font-display);font-size:1.8rem;color:#fff;font-weight:900}.mp-scoreboard__subtitle{color:var(--text-muted);margin-bottom:1.25rem}.mp-scoreboard__actions{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.5rem}.mp-scoreboard__btn{padding:.85rem 1.5rem!important;font-size:1rem!important;width:100%}.mp-scoreboard__btn--secondary{padding:.65rem 1.2rem!important;width:100%}.mp-scoreboard__waiting-msg{color:var(--text-muted);font-size:.95rem;padding:.5rem}.mp-scoreboard__champion{background:linear-gradient(135deg,#f59e0b33,#1db95426);border:2px solid #f59e0b;border-radius:16px;padding:1.25rem;margin-bottom:1.5rem;display:flex;align-items:center;gap:1rem;text-align:left}.mp-scoreboard__champion-avatar{width:50px!important;height:50px!important;border:2px solid #f59e0b!important}.mp-scoreboard__champion-info{flex:1}.mp-scoreboard__champion-label{font-size:.8rem;color:#f59e0b;font-weight:800;letter-spacing:.05em}.mp-scoreboard__champion-name{font-family:var(--font-display);font-size:1.35rem;font-weight:900;color:#fff}.mp-scoreboard__champion-stats{font-size:.85rem;color:var(--spotify-green);font-weight:700}.mp-scoreboard__players-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;text-align:left}.mp-scoreboard__player-card{background:#ffffff0d;border:1px solid var(--glass-border);border-radius:14px;padding:1rem;display:flex;align-items:center;gap:.75rem;transition:all .2s ease}.mp-scoreboard__player-card:hover{background:#ffffff14;transform:translateY(-2px)}.mp-scoreboard__player-card--first{border-color:#f59e0b66;background:#f59e0b14}.mp-scoreboard__player-rank{font-weight:800;font-size:1.1rem;flex-shrink:0;min-width:28px;text-align:center}.mp-scoreboard__player-info{flex:1;min-width:0}.mp-scoreboard__player-name{font-weight:700;font-size:.92rem;color:#fff;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mp-scoreboard__player-stats{display:flex;align-items:center;gap:.75rem;margin-top:.25rem}.mp-scoreboard__player-score{display:flex;align-items:center;gap:.25rem;font-weight:800;color:var(--spotify-green);font-size:.9rem}.mp-scoreboard__player-streak{display:flex;align-items:center;gap:.2rem;color:#f73;font-weight:700;font-size:.8rem}@media (max-width: 768px){.quiz-layout--multiplayer{grid-template-columns:1fr}.mp-live-scoreboard{position:static}.mp-live-scoreboard__list{flex-direction:row;flex-wrap:wrap;gap:.4rem}.mp-player-row{flex:1 1 calc(50% - .2rem);min-width:140px}.mp-scoreboard__players-grid{grid-template-columns:1fr}.mp-scoreboard__title{font-size:1.4rem}.mp-scoreboard__champion{flex-direction:column;text-align:center}}@media (max-width: 640px){.navbar{padding:1rem}.hero-title{font-size:2.2rem}.quiz-board{padding:1.25rem}.options-grid--fixed{grid-template-columns:1fr!important}}