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20px}}.flex{display:flex}.flex-column{flex-direction:column}.flex-center{align-items:center;justify-content:center}.w-full{width:100%}.h-full{height:100%}.min-h-screen{min-height:100vh}:root{--neon-color:#4ecdc4;--primary-gradient:linear-gradient(135deg,#667eea,#764ba2)}.login-container{display:flex;min-height:100vh;overflow:hidden;position:relative}.video-background{background:#1a1a1a;height:100%;left:0;position:absolute;top:0;width:100%;z-index:-2}.bg-video{height:100%;object-fit:cover;transition:opacity .5s ease;width:100%}.bg-video.loading{opacity:0}.bg-video.loaded{opacity:1}.video-overlay{background:#0006;height:100%;left:0;position:absolute;top:0;width:100%;z-index:-1}.video-control-btn{align-items:center;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#fff3;border:2px solid #ffffff4d;border-radius:50%;box-shadow:0 6px 20px #0000004d,inset 0 1px 0 #ffffff4d;cursor:pointer;display:flex;height:50px;justify-content:center;outline:none;pointer-events:auto;position:fixed;right:20px;top:20px;transition:all .3s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none;width:50px;z-index:9999}.video-control-btn:hover{background:#ffffff40;box-shadow:0 6px 20px #0000004d,0 0 15px #fff3,inset 0 1px 0 #ffffff4d;transform:scale(1.08)}.video-control-btn:active{transform:scale(1.02)}.control-icon{align-items:center;color:#fff;display:flex;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5));height:20px;justify-content:center;transition:transform .2s ease;width:20px}.control-icon svg{height:100%;transition:all .2s ease;width:100%}.control-icon.playing svg{animation:pauseRotate .3s ease}.control-icon.paused svg{animation:playScale .3s ease}@keyframes pauseRotate{0%{transform:rotate(0deg) scale(1)}50%{transform:rotate(180deg) scale(1.1)}to{transform:rotate(1turn) scale(1)}}@keyframes playScale{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}.left-section{align-items:center;display:flex;flex:1 1;justify-content:center;padding:2rem;position:relative}.neon-logo{animation:logoFloat 6s ease-in-out infinite;text-align:center}@keyframes logoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.logo-text{-webkit-text-fill-color:#0000;-webkit-font-smoothing:antialiased;animation:gradientShift 15s ease-in-out infinite;background:linear-gradient(135deg,#4ecdc4,#fffffff2 25%,#4ecdc4 50%,#fffffff2 75%,#4ecdc4);background:linear-gradient(135deg,var(--neon-color) 0,#fffffff2 25%,var(--neon-color) 50%,#fffffff2 75%,var(--neon-color) 100%);-webkit-background-clip:text;background-clip:text;background-size:200% 200%;font-family:Arial Black,sans-serif;font-size:clamp(2.5rem,8vw,6rem);font-weight:900;letter-spacing:.1em;margin-bottom:1rem;text-rendering:optimizeLegibility;transition:all 3s ease}@keyframes neonGlow{0%{text-shadow:0 0 10px #4ecdc4,0 0 20px #4ecdc4,0 0 40px #4ecdc4,0 0 80px #4ecdc4;text-shadow:0 0 10px var(--neon-color),0 0 20px var(--neon-color),0 0 40px var(--neon-color),0 0 80px var(--neon-color)}to{text-shadow:0 0 5px #4ecdc4,0 0 10px #4ecdc4,0 0 20px #4ecdc4,0 0 40px #4ecdc4,0 0 80px #4ecdc4;text-shadow:0 0 5px var(--neon-color),0 0 10px var(--neon-color),0 0 20px var(--neon-color),0 0 40px var(--neon-color),0 0 80px var(--neon-color)}}@keyframes gradientShift{0%,to{background-position:0 50%}25%{background-position:100% 0}50%{background-position:200% 50%}75%{background-position:100% 100%}}@keyframes videoPulse{0%{text-shadow:0 0 10px #4ecdc4,0 0 20px #4ecdc4,0 0 40px #4ecdc4,0 0 80px #4ecdc4;text-shadow:0 0 10px var(--neon-color),0 0 20px var(--neon-color),0 0 40px var(--neon-color),0 0 80px var(--neon-color);transform:scale(1)}50%{text-shadow:0 0 15px #4ecdc4,0 0 30px #4ecdc4,0 0 60px #4ecdc4,0 0 120px #4ecdc4;text-shadow:0 0 15px var(--neon-color),0 0 30px var(--neon-color),0 0 60px var(--neon-color),0 0 120px var(--neon-color);transform:scale(1.05)}to{text-shadow:0 0 10px #4ecdc4,0 0 20px #4ecdc4,0 0 40px #4ecdc4,0 0 80px #4ecdc4;text-shadow:0 0 10px var(--neon-color),0 0 20px var(--neon-color),0 0 40px var(--neon-color),0 0 80px var(--neon-color);transform:scale(1)}}.logo-subtitle{animation:subtitleFadeIn 2s ease 1s forwards;color:#fffc;font-size:clamp(.9rem,2.5vw,1.2rem);font-weight:300;letter-spacing:.2em;opacity:0;text-transform:uppercase}@keyframes subtitleFadeIn{to{opacity:1}}.right-section{align-items:center;display:flex;flex:1 1;justify-content:center;padding:2rem}.features-container{max-width:500px;width:100%}.welcome-text{color:#fff;margin-bottom:2rem;text-align:center}.welcome-text h2{font-size:clamp(1.5rem,4vw,2.5rem);font-weight:700;margin-bottom:1rem;text-shadow:2px 2px 4px #0000004d}.welcome-text p{font-size:clamp(.9rem,2vw,1.1rem);line-height:1.6;opacity:.9}.features-grid{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.feature-card{animation:cardFloat 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img{height:200px;object-fit:cover;width:100%}.play-overlay{align-items:center;background:#00000080;bottom:0;display:flex;justify-content:center;left:0;opacity:0;position:absolute;right:0;top:0;transition:opacity .3s ease}.trending-card:hover .play-overlay{opacity:1}.play-btn{align-items:center;background:#ffffffe6;border-radius:50%;color:#333;display:flex;font-size:24px;height:60px;justify-content:center;transition:all .3s ease;width:60px}.play-btn:hover{transform:scale(1.1)}.trending-card h3{font-size:16px;font-weight:600;padding:12px 16px 4px}.trending-card h3,.trending-card p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.trending-card p{color:#ffffffb3;font-size:14px;padding:0 16px 12px}.music-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));margin-top:20px}.music-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border-radius:12px;cursor:pointer;overflow:hidden;transition:all .3s 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h2{font-size:24px;font-weight:600;margin-bottom:20px}.billboard-sections{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.billboard-section{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border-radius:16px;padding:24px}.billboard-section h3{font-size:20px;font-weight:600;margin-bottom:12px}.billboard-section p{color:#ffffffb3;line-height:1.5}.music-player{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#000000e6;border-top:1px solid #ffffff1a;bottom:0;height:90px;left:0;padding:0 24px;position:fixed;right:0;z-index:1000}.music-player,.player-left{align-items:center;display:flex}.player-left{flex:1 1;gap:16px;min-width:0}.player-artwork{border-radius:8px;height:56px;object-fit:cover;width:56px}.player-info{flex:1 1;min-width:0}.player-info h3{font-size:14px;font-weight:600;margin-bottom:4px}.player-info h3,.player-info p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-info p{color:#ffffffb3;font-size:12px}.player-center{align-items:center;display:flex;flex:2 1;flex-direction:column;gap:8px}.player-controls{align-items:center;display:flex;gap:12px}.control-btn{background:none;border:none;color:#ffffffb3;cursor:pointer;font-size:18px;transition:color .3s ease}.control-btn:hover{color:#fff}.control-btn.active{color:#ff6b6b}.play-pause-btn{align-items:center;background:#fff;border:none;border-radius:50%;box-shadow:0 4px 12px #0003;color:#333;cursor:pointer;display:flex;font-size:20px;height:44px;justify-content:center;position:relative;transition:all .3s ease;width:44px}.play-pause-btn:hover{box-shadow:0 6px 20px #0000004d;transform:scale(1.1)}.play-pause-btn:active{transform:scale(.95)}.play-pause-btn.loading{pointer-events:none}.play-pause-btn.loading:after{animation:spin 1s linear infinite;border:2px solid #333;border-radius:50%;border-top-color:#0000;content:"";height:20px;position:absolute;width:20px}.player-progress{align-items:center;display:flex;gap:12px;max-width:400px;width:100%}.time-current,.time-total{color:#ffffffb3;font-size:12px;min-width:40px}.progress-bar{background:#fff3;border-radius:3px;cursor:pointer;flex:1 1;height:6px;overflow:hidden;position:relative;transition:height .2s ease}.progress-bar:hover{height:8px}.progress-buffer{background:#ffffff4d;transition:width .3s ease}.progress-buffer,.progress-fill{border-radius:3px;height:100%;left:0;position:absolute;top:0}.progress-fill{background:linear-gradient(45deg,#ff6b6b,#4ecdc4);transition:width .1s ease;z-index:1}.progress-bar:hover .progress-fill{box-shadow:0 0 10px #ff6b6b80}.player-right{flex:1 1;gap:12px;justify-content:flex-end}.player-right,.volume-control{align-items:center;display:flex}.volume-control{gap:8px}.volume-control span{color:#ffffffb3;font-size:16px}.volume-slider{background:#fff3;border-radius:2px;cursor:pointer;height:4px;outline:none;width:100px}.volume-slider::-webkit-slider-thumb{background:#fff;border-radius:50%;cursor:pointer;height:16px;width:16px}.loading-overlay{align-items:center;background:#00000080;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:2000}.loading-spinner{height:40px;width:40px}@media (max-width:768px){.sidebar{bottom:0;left:-240px;position:fixed;top:0;z-index:1000}.sidebar.open{left:0}.menu-btn{display:block}.sidebar-toggle{display:flex}.search-container{width:200px}.dashboard-header{padding:12px 16px}.content-area{padding:16px}.hero-title{font-size:24px}.trending-grid{grid-template-columns:1fr}.music-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.music-player{height:80px;padding:0 16px}.player-center{display:none}.player-left{flex:2 1}.player-right{flex:1 1}.volume-control{display:none}}@media (max-width:480px){.search-container{width:150px}.header-right{gap:8px}.music-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.billboard-sections{grid-template-columns:1fr}}.callback-container{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;font-family:Arial,sans-serif;justify-content:center;min-height:100vh}.callback-content{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:20px;box-shadow:0 8px 32px #1f26875e;color:#fff;max-width:400px;padding:3rem 2rem;text-align:center;width:90%}.callback-content h2{font-size:1.8rem;font-weight:600;margin:1rem 0}.callback-content p{font-size:1rem;margin:.5rem 0 2rem;opacity:.8}.loading-spinner{animation:spin 1s linear infinite;border:4px solid #ffffff4d;border-radius:50%;border-top-color:#fff;height:50px;margin:0 auto 1rem;width:50px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.callback-content.error{border-color:#ff638480}.retry-btn{background:linear-gradient(45deg,#1db954,#1ed760);border:none;border-radius:25px;box-shadow:0 4px 15px #1db9544d;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;padding:12px 24px;transition:all .3s ease}.retry-btn:hover{box-shadow:0 6px 20px #1db95466;transform:translateY(-2px)}.mood-tracking-container{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);display:flex;flex-direction:column;min-height:100vh}.mood-header{align-items:center;background:#fff;box-shadow:0 2px 10px #0000001a;display:flex;gap:20px;padding:20px}.mood-header h1{color:#333;font-size:1.8rem;margin:0}.mood-main{display:flex;flex:1 1;justify-content:center;padding:30px 20px}.mood-form{background:#fff;border-radius:20px;box-shadow:0 10px 30px #0000001a;max-width:800px;padding:40px;width:100%}.mood-selection h2{color:#333;font-size:1.5rem;margin-bottom:30px;text-align:center}.mood-grid{grid-gap:15px;display:grid;gap:15px;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));margin-bottom:30px}.mood-button{align-items:center;background:#fff;border:2px solid #e1e5e9;border-radius:15px;cursor:pointer;display:flex;flex-direction:column;padding:20px;position:relative;transition:all .3s ease}.mood-button:hover{box-shadow:0 8px 20px #00000026;transform:translateY(-3px)}.mood-button.selected{background:linear-gradient(135deg,var(--mood-color),#fffc);border-color:var(--mood-color);box-shadow:0 8px 20px #0003}.mood-emoji{font-size:2.5rem;margin-bottom:8px}.mood-name{color:#333;font-size:.9rem;font-weight:600}.intensity-section{margin:30px 0;text-align:center}.intensity-section h3{color:#333;margin-bottom:20px}.intensity-slider{-webkit-appearance:none;background:#e1e5e9;border-radius:5px;height:8px;margin-bottom:10px;outline:none;width:100%}.intensity-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:#667eea;border-radius:50%;box-shadow:0 4px 8px #0003;cursor:pointer;height:25px;width:25px}.intensity-slider::-moz-range-thumb{background:#667eea;border:none;border-radius:50%;box-shadow:0 4px 8px #0003;cursor:pointer;height:25px;width:25px}.intensity-labels{color:#666;display:flex;font-size:.9rem;justify-content:space-between}.note-section{margin:30px 0}.note-section h3{color:#333;margin-bottom:15px}.mood-note{border:2px solid #e1e5e9;border-radius:10px;font-family:inherit;font-size:1rem;min-height:100px;padding:15px;resize:vertical;transition:border-color .3s ease;width:100%}.mood-note:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;outline:none}.submit-mood-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;margin-top:20px;padding:15px;transition:all .3s ease;width:100%}.submit-mood-btn:hover:not(:disabled){box-shadow:0 10px 20px #667eea4d;transform:translateY(-2px)}.submit-mood-btn:disabled{box-shadow:none;cursor:not-allowed;opacity:.5;transform:none}@media (max-width:768px){.mood-header{flex-direction:column;gap:15px;padding:15px;text-align:center}.mood-header h1{font-size:1.5rem}.mood-main{padding:20px 15px}.mood-form{padding:30px 20px}.mood-grid{gap:10px;grid-template-columns:repeat(2,1fr)}.mood-button{padding:15px 10px}.mood-emoji{font-size:2rem}.mood-name{font-size:.8rem}}@media (max-width:480px){.mood-grid{gap:8px;grid-template-columns:repeat(2,1fr)}.mood-button{padding:12px 8px}.mood-emoji{font-size:1.8rem}}.music-recommendations-container{background:linear-gradient(135deg,#e6e9f0,#eef1f5);display:flex;flex-direction:column;min-height:100vh}.music-header{align-items:center;background:#fff;box-shadow:0 2px 10px #0000001a;display:flex;gap:20px;padding:20px}.back-btn{background:#667eea;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:1rem;padding:10px 20px;transition:background .3s ease}.back-btn:hover{background:#5563c1}.music-header h1{color:#333;font-size:1.8rem;margin:0}.music-main{display:flex;flex:1 1;justify-content:center;padding:30px 20px}.music-content{max-width:1000px;width:100%}.mood-selector h2{color:#333;font-size:1.5rem;margin-bottom:20px;text-align:center}.mood-buttons{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}.mood-btn{background:#f1f3f7;border:none;border-radius:8px;color:#667eea;cursor:pointer;font-size:1rem;padding:10px 20px;transition:background .3s,color .3s ease}.mood-btn.active{background:#667eea;color:#fff}.mood-btn:hover{box-shadow:0 5px 15px #0000001a;transform:translateY(-2px)}.genre-filter{margin-bottom:20px;text-align:center}.genre-select{border:2px solid #e1e5e9;border-radius:6px;color:#333;font-size:1rem;outline:none;padding:10px 15px;width:220px}.recommendations-section{margin-top:20px}.songs-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.song-card{background:#fff;border-radius:12px;box-shadow:0 5px 15px #0000001a;display:flex;flex-direction:column;justify-content:space-between;padding:20px}.song-info{margin-bottom:20px}.song-title{color:#333;font-size:1.2rem;margin-bottom:5px}.song-artist{color:#666;font-size:.9rem;margin-bottom:10px}.song-details{color:#888;font-size:.8rem}.song-actions,.song-details{display:flex;justify-content:space-between}.play-btn{background:#667eea;border:none;border-radius:6px;color:#fff;cursor:pointer;padding:8px 15px;transition:background .3s ease}.play-btn:hover{background:#5563c1}.like-btn{background:none;border:none;color:#f06292;cursor:pointer;font-size:1.5rem}.like-btn:hover{color:#ec407a}.no-results{color:#666;margin-top:40px;text-align:center}.no-results p{margin-bottom:10px}.reset-btn{background:#667eea;border:none;border-radius:8px;color:#fff;cursor:pointer;padding:10px 20px;transition:transform .3s ease,background .3s ease}.reset-btn:hover{background:#5563c1;transform:translateY(-2px)}@media (max-width:768px){.music-header{flex-direction:column;gap:15px;padding:15px;text-align:center}.music-header h1{font-size:1.5rem}.music-main{padding:20px 15px}.song-card{padding:15px}.mood-buttons{flex-direction:column}}@media (max-width:480px){.music-header{padding:10px}.music-header h1{font-size:1.3rem}.songs-grid{gap:15px;grid-template-columns:1fr}}