*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2,#f093fb);background-attachment:fixed;min-height:100vh;color:#1f2937;position:relative}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 50%,rgba(120,119,198,.3),transparent 50%),radial-gradient(circle at 80% 80%,rgba(240,147,251,.3),transparent 50%),radial-gradient(circle at 40% 20%,rgba(102,126,234,.3),transparent 50%);pointer-events:none;z-index:0}.modal{display:flex;position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:1000;align-items:center;justify-content:center;animation:fadeIn .3s ease-out}.modal.hidden{display:none}.modal-content{background:#fffffff2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:24px;padding:2rem;max-width:500px;width:90%;box-shadow:0 20px 60px #0000004d;text-align:center;animation:slideUp .4s ease-out}.modal-icon{font-size:3.5rem;margin-bottom:.75rem;animation:bounce 1s ease-in-out infinite}.modal-content h2{color:#667eea;font-size:1.75rem;margin-bottom:.75rem;font-weight:700;line-height:1.3}.modal-content p{color:#4b5563;font-size:1rem;line-height:1.5;margin-bottom:1rem}.modal-features{display:flex;flex-direction:column;gap:.75rem;margin:1.25rem 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bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.voice-catcher{max-width:800px;width:95%;padding:1.5rem}.game-header{margin-bottom:1rem}.game-header h2{font-size:2rem;margin-bottom:.5rem}.game-header p{color:#6b7280;font-size:1.1rem;margin-bottom:1rem}.game-stats{display:flex;gap:2rem;justify-content:center;margin-bottom:1rem}.stat{font-size:1rem;color:#4b5563}.stat strong{color:#667eea;font-size:1.3rem}#voice-catcher-canvas{width:100%;height:400px;background:linear-gradient(180deg,#e0e7ff,#fce7f3);border-radius:16px;margin-bottom:1rem;box-shadow:inset 0 2px 10px #0000001a}.game-hints{text-align:center;min-height:2rem}.game-hints p{font-size:1.1rem;color:#667eea;font-weight:500;animation:pulse 2s ease-in-out infinite}#game-complete{margin-top:1.5rem;padding:1.5rem;background:#667eea1a;border-radius:16px}#game-complete h3{color:#667eea;font-size:1.5rem;margin-bottom:1rem}.range-summary{display:flex;align-items:center;justify-content:center;gap:1rem;margin:1rem 0;flex-wrap:wrap}.range-info{display:flex;flex-direction:column;gap:.25rem}.range-info span{color:#6b7280;font-size:.9rem}.range-info strong{color:#667eea;font-size:1.5rem}.range-semitones{color:#8b5cf6;font-weight:600;font-size:1.1rem}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.modal-btn.secondary{background:#6b728033;color:#4b5563}.modal-btn.secondary:hover{background:#6b72804d}#app{display:flex;flex-direction:column;min-height:100vh;position:relative;z-index:1}header{background:#ffffff1a;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.2);padding:1.5rem 2rem;box-shadow:0 8px 32px #0000001a;display:flex;justify-content:space-between;align-items:center}header h1{font-size:2rem;background:linear-gradient(135deg,#fff,#f0f9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700;letter-spacing:-.5px}#score-display{display:flex;gap:1.5rem;font-size:1.1rem;font-weight:600}#score-display .label{color:#fffc}#score{color:#fbbf24;text-shadow:0 2px 10px rgba(251,191,36,.5)}#level{color:#34d399;text-shadow:0 2px 10px rgba(52,211,153,.5)}main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.menu-screen{background:#ffffff26;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2);border-radius:24px;padding:3rem;text-align:center;box-shadow:0 20px 60px #0000004d}.menu-screen h2{font-size:2.5rem;background:linear-gradient(135deg,#fff,#f0f9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:2.5rem;font-weight:700;letter-spacing:-.5px}.menu-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;max-width:900px;margin:0 auto}.menu-btn{background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:2rem 1.5rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);color:#fff;font-size:1.1rem;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:.75rem;position:relative;overflow:hidden}.menu-btn:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#fff3,#ffffff0d);opacity:0;transition:opacity .3s}.menu-btn:hover:before{opacity:1}.menu-btn:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 20px 40px #0000004d;border-color:#fff6}.menu-btn:active{transform:translateY(-4px) scale(1)}.menu-btn .icon{font-size:3.5rem;filter:drop-shadow(0 4px 8px rgba(0,0,0,.2))}.menu-btn .description{font-size:.85rem;font-weight:400;opacity:.85;margin-top:.25rem;line-height:1.4}.menu-footer{margin-top:2rem;text-align:center}.settings-btn{background:#ffffff26;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:.75rem 1.5rem;color:#fff;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .3s ease}.settings-btn:hover{background:#ffffff40;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.settings-btn:active{transform:translateY(0)}.screen{background:#ffffff26;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2);border-radius:24px;padding:2.5rem;display:none;box-shadow:0 20px 60px #0000004d}.screen.active{display:block}.controls{display:flex;gap:1rem;margin-bottom:2rem;justify-content:center;flex-wrap:wrap}.control-btn{background:#fff3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3);border-radius:12px;padding:1rem 2rem;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.75rem;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #00000026}.control-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #00000040;background:#ffffff4d}.control-btn:active{transform:translateY(0)}.control-btn.secondary{background:#6b72804d;border-color:#fff3}.control-btn.active{background:#10b98166;border-color:#34d39980;box-shadow:0 4px 12px #10b9814d}.control-btn .icon{font-size:1.5rem}#exercise-info{text-align:center;margin-bottom:2rem}#exercise-title{font-size:2rem;color:#fff;margin-bottom:.5rem;font-weight:700;text-shadow:0 2px 10px rgba(0,0,0,.2)}#exercise-instructions{font-size:1.2rem;color:#ffffffe6;font-weight:400}#target-display{text-align:center;margin-bottom:2rem;padding:2rem;background:#fbbf2433;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(251,191,36,.3);border-radius:16px;box-shadow:0 8px 24px #fbbf2433}#target-display.hidden{display:none}.target-note{display:flex;align-items:center;justify-content:center;gap:1rem;font-size:1.5rem;margin-bottom:1rem;color:#fff}.play-btn{background:#10b9814d;border-color:#34d39980;font-size:1.1rem}.play-btn:hover{transform:scale(1.05);box-shadow:0 8px 24px #10b98166;background:#10b98166}.note-name{font-size:3rem;font-weight:700;color:#fff;text-shadow:0 4px 16px rgba(0,0,0,.3)}#pitch-visualizer{width:100%;height:300px;background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:16px;margin-bottom:2rem;box-shadow:inset 0 4px 16px #0000001a}#pitch-info{text-align:center}.pitch-display{display:flex;align-items:center;justify-content:center;gap:1rem;font-size:1.2rem;margin-bottom:1rem;color:#fff;font-weight:500}.pitch-display .label{color:#fffc}.frequency{color:#ffffffb3;font-size:1rem}.feedback{font-size:1.5rem;font-weight:600;min-height:2rem;text-shadow:0 2px 8px rgba(0,0,0,.2)}.feedback.perfect{color:#34d399}.feedback.close{color:#fbbf24}.feedback.off{color:#fb7185}#song-player{margin-top:2rem;padding:2rem;background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:16px}#song-player.hidden{display:none}.song-info{margin-bottom:1.5rem;text-align:center;color:#fff}.song-info h3{font-weight:700;margin-bottom:.5rem}.song-controls{display:flex;flex-direction:column;align-items:center;gap:1rem}.progress-bar{width:100%;height:8px;background:#fff3;border-radius:4px;overflow:hidden;box-shadow:inset 0 2px 4px #0000001a}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);width:0%;transition:width .1s;box-shadow:0 0 10px #667eea80}#lyrics-display{margin-top:1rem;padding:1.5rem;background:#ffffff26;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:12px;min-height:100px;font-size:1.2rem;line-height:2;color:#fff}.song-filters{display:flex;gap:1rem;justify-content:center;margin:2rem 0;flex-wrap:wrap}.filter-btn{padding:.75rem 1.5rem;border:1px solid rgba(255,255,255,.3);background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;border-radius:12px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1)}.filter-btn.active,.filter-btn:hover{background:#ffffff40;border-color:#ffffff80;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.song-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.song-card{background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:1.5rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);color:#fff}.song-card:hover{transform:translateY(-5px);box-shadow:0 12px 24px #0000004d;border-color:#fff6;background:#ffffff26}.song-card h3{color:#fff;margin-bottom:.5rem;font-weight:600}.song-card .metadata{color:#ffffffb3;font-size:.9rem}footer{background:#ffffff1a;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid rgba(255,255,255,.2);padding:1rem 2rem;box-shadow:0 -8px 32px #0000001a}#achievements{display:flex;align-items:center;gap:1rem;color:#fff}#achievement-badges{display:flex;gap:.5rem;flex-wrap:wrap}.badge{padding:.5rem 1rem;background:#fbbf244d;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(251,191,36,.5);border-radius:20px;font-weight:600;color:#fff;font-size:.9rem;animation:pop .5s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #fbbf244d}@keyframes pop{0%{transform:scale(0);opacity:0}50%{transform:scale(1.15)}to{transform:scale(1);opacity:1}}.hidden{display:none!important}html{scroll-behavior:smooth}::selection{background:#667eea4d;color:#fff}@media (max-width: 768px){header{flex-direction:column;gap:1rem;padding:1rem 1.5rem}header h1{font-size:1.5rem}main{padding:1rem}.menu-screen{padding:1.5rem}.menu-screen h2{font-size:1.8rem}.menu-buttons{grid-template-columns:1fr;gap:1rem}.menu-btn{padding:1.5rem 1rem}.note-name{font-size:2rem}.screen{padding:1.5rem}#pitch-visualizer{height:200px}.controls{flex-direction:column}.control-btn{width:100%;justify-content:center}}@media (max-width: 480px){header h1{font-size:1.25rem}.menu-screen h2{font-size:1.5rem}#score-display{font-size:.9rem;gap:.75rem}.modal-content{padding:1.5rem 1.25rem;width:92%;max-height:90vh;overflow-y:auto}.modal-icon{font-size:2.5rem;margin-bottom:.5rem}.modal-content h2{font-size:1.35rem;margin-bottom:.5rem}.modal-content p{font-size:.9rem;margin-bottom:.75rem}.modal-features{gap:.6rem;margin:1rem 0}.feature{padding:.6rem;font-size:.85rem;gap:.6rem}.feature-icon{font-size:1.1rem}.modal-permission-text{margin-top:1rem;margin-bottom:.4rem;font-size:.95rem}.modal-privacy{font-size:.85rem;margin-bottom:1rem}.modal-btn{padding:.9rem 1.5rem;font-size:.95rem}}