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h2{margin:0;font-size:1.5rem}.close-button{background:transparent;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:5px;border-radius:50%;width:35px;height:35px;display:flex;align-items:center;justify-content:center;transition:background-color .2s ease}.close-button:hover{background:rgba(255,255,255,.2)}.contact-form{padding:25px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:#333}.form-group input,.form-group textarea{width:100%;padding:12px;border:2px solid #dee2e6;border-radius:8px;font-size:14px;font-family:inherit;transition:border-color .2s ease;box-sizing:border-box}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 3px #007bff1a}.form-group textarea{resize:vertical;min-height:100px}.form-actions{display:flex;gap:15px;margin-bottom:20px}.send-button{flex:1;padding:12px 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h2{text-align:center;margin-bottom:30px;color:#495057;font-size:1.5rem}.days-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.day-card{background:linear-gradient(135deg,#ffffff 0%,#f8f9fa 100%);border:2px solid #dee2e6;border-radius:12px;padding:20px;transition:all .3s ease;box-shadow:0 2px 8px #0000001a}.day-card:hover{transform:translateY(-5px);box-shadow:0 6px 20px #00000026}.day-card.completed{border-color:#28a745;background:linear-gradient(135deg,#d4edda 0%,#c3e6cb 100%)}.day-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.day-number{font-weight:700;color:#007bff;font-size:14px;background:white;padding:5px 12px;border-radius:20px;border:1px solid #007bff}.day-card.completed .day-number{color:#28a745;border-color:#28a745}.complete-button{background:none;border:none;font-size:1.5rem;cursor:pointer;transition:transform .2s ease}.complete-button:hover{transform:scale(1.2)}.day-card h4{margin:0 0 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8px;border-radius:4px;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.5px;align-self:flex-start;background:#e9ecef;color:#495057;border:1px solid #ced4da}.song-description{font-size:12px;line-height:1.4;color:#6c757d;margin:0}.controls{display:flex;flex-direction:column;gap:10px;margin-top:auto}.control-btn{padding:12px 16px;border:1px solid #ced4da;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s ease;text-align:center;width:100%;background:white;color:#495057}.control-btn:hover:not(:disabled){background:#f8f9fa}.control-btn:disabled{background:#e9ecef;color:#6c757d;cursor:not-allowed;border-color:#dee2e6}@media (max-width: 1200px){.side-panel{width:300px;min-width:300px}}@media (max-width: 900px){.piano-container{flex-direction:column;min-height:auto}.side-panel{width:100%;min-width:100%;order:2;max-height:50vh}.main-content{order:1;min-height:50vh}}@media (max-width: 600px){.side-panel{padding:15px;max-height:40vh}.main-content{padding:15px}.control-btn{padding:10px 14px;font-size:13px}}.recording-section{background:#fff;border-radius:8px;padding:20px;border:2px solid #e0e0e0;box-shadow:0 2px 8px #0000000d}.recording-section h4{margin:0 0 16px;font-size:16px;font-weight:600;color:#333;text-align:center}.recording-button{width:100%;padding:12px 16px;border:none;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;text-align:center;margin:6px 0}.recording-button.start-recording{background:linear-gradient(135deg,#28a745 0%,#20c997 100%);color:#fff;box-shadow:0 2px 8px #28a7454d}.recording-button.start-recording:hover:not(:disabled){background:linear-gradient(135deg,#218838 0%,#1fa587 100%);transform:translateY(-2px);box-shadow:0 4px 12px #28a74566}.recording-button.stop-recording{background:linear-gradient(135deg,#dc3545 0%,#e73c7e 100%);color:#fff;box-shadow:0 2px 8px 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#6f42c14d}.recording-button.request-song:hover:not(:disabled){background:linear-gradient(135deg,#5a2d91 0%,#d21f7c 100%);transform:translateY(-2px);box-shadow:0 4px 12px #6f42c166}.recording-button:disabled{background:#e9ecef!important;color:#6c757d!important;cursor:not-allowed!important;transform:none!important;box-shadow:none!important}.recording-active{text-align:center;padding:10px 0}.recording-message{font-size:14px;color:#495057;margin:0 0 12px;font-weight:500}.recorded-song-controls{display:flex;flex-direction:column;gap:8px}.recorded-info{font-size:12px;color:#28a745;margin:0 0 8px;text-align:center;font-weight:500}@media (max-width: 600px){.recording-section{padding:15px}.recording-button{padding:10px 14px;font-size:13px}.recording-button.request-song{font-size:11px;padding:8px 12px}}.practice-instructions{font-size:16px;color:#495057;margin:0 0 15px;text-align:center;line-height:1.4}.practice-instructions 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ease;font-family:inherit}.song-input:focus{outline:none;border-color:#4caf50}.song-input::placeholder{color:#aaa}.delete-popup{max-width:600px;max-height:80vh}.delete-songs-list{max-height:400px;overflow-y:auto;border:2px solid #ddd;border-radius:8px;padding:10px;background:#f9f9f9}.delete-song-item{padding:8px;border-bottom:1px solid #e0e0e0}.delete-song-item:last-child{border-bottom:none}.delete-song-label{display:flex;align-items:center;cursor:pointer;gap:12px}.delete-checkbox{width:20px;height:20px;cursor:pointer}.song-name-delete{flex:1;font-weight:500;color:#333;display:flex;align-items:center;gap:8px}.song-difficulty-delete{font-size:13px;color:#666;padding:4px 8px;background:#e0e0e0;border-radius:4px}.custom-badge{background:linear-gradient(135deg,#4CAF50 0%,#45a049 100%);color:#fff;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:600}.original-badge{background:linear-gradient(135deg,#2196F3 0%,#1976D2 100%);color:#fff;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:600}.close-recording-btn{background:rgba(220,53,69,.1);border:2px solid #dc3545;color:#dc3545;width:32px;height:32px;border-radius:50%;font-size:24px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;padding:0}.close-recording-btn:hover{background:#dc3545;color:#fff;transform:scale(1.1)}.practice-popup-content p{margin:0 0 15px;color:#495057;font-size:16px;line-height:1.4}.practice-popup-actions{display:flex;gap:15px;margin-top:25px}.practice-start-btn{flex:1;padding:12px 20px;background:linear-gradient(135deg,#28a745 0%,#20c997 100%);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:16px;font-weight:600;transition:all .2s ease;box-shadow:0 2px 8px #28a7454d}.practice-start-btn:hover{background:linear-gradient(135deg,#218838 0%,#1fa587 100%);transform:translateY(-2px);box-shadow:0 4px 12px #28a74566}.practice-start-btn.reset-btn{background:linear-gradient(135deg,#ff9800 0%,#f57c00 100%);box-shadow:0 2px 8px #ff98004d;font-size:16px;font-weight:600}.practice-start-btn.reset-btn:hover{background:linear-gradient(135deg,#f57c00 0%,#ef6c00 100%);transform:translateY(-2px);box-shadow:0 4px 12px #ff980066}.practice-dismiss-btn{flex:1;padding:12px 20px;background:#6c757d;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:16px;font-weight:500;transition:all .2s ease}.practice-dismiss-btn:hover{background:#545b62;transform:translateY(-2px)}.practice-info{background:linear-gradient(135deg,#e3f2fd 0%,#bbdefb 100%);border:1px solid #2196f3;border-radius:8px;padding:12px 16px;font-size:14px;color:#1565c0;margin:15px 0!important;font-weight:500;text-align:center}.practice-button-container{display:flex;justify-content:center;margin:20px 0}.practice-main-btn{background:linear-gradient(135deg,#f3e5f5 0%,#e1bee7 100%);color:#7b1fa2;border:2px solid #9c27b0;border-radius:8px;padding:12px 48px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #9c27b04d;min-width:200px}.practice-main-btn:hover:not(:disabled){background:linear-gradient(135deg,#e1bee7 0%,#ce93d8 100%);transform:translateY(-2px);box-shadow:0 4px 12px #9c27b066}.practice-main-btn:disabled{background:#e9ecef;color:#6c757d;cursor:not-allowed;border-color:#dee2e6;transform:none;box-shadow:none}.check-order-btn{background:linear-gradient(135deg,#28a745 0%,#20c997 100%);color:#fff;border:none;border-radius:8px;padding:12px 24px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #28a7454d;min-width:200px}.check-order-btn:hover:not(:disabled){background:linear-gradient(135deg,#218838 0%,#1fa587 100%);transform:translateY(-2px);box-shadow:0 4px 12px #28a74566}.check-order-btn:disabled{background:#e9ecef;color:#6c757d;cursor:not-allowed;transform:none;box-shadow:none}.feedback-button{position:fixed;right:20px;top:50%;transform:translateY(-50%) rotate(-90deg);transform-origin:right center;background:linear-gradient(135deg,#007bff 0%,#0056b3 100%);color:#fff;border:none;border-radius:8px 8px 0 0;padding:12px 24px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:-2px -2px 8px #007bff4d;transition:all .3s ease;z-index:1000;letter-spacing:1px}.feedback-button:hover{background:linear-gradient(135deg,#0056b3 0%,#003d82 100%);box-shadow:-4px -4px 12px #007bff66;transform:translateY(-50%) rotate(-90deg) translateY(-5px)}@media (max-width: 600px){.practice-instructions{font-size:14px}.practice-check-btn{padding:10px 20px;font-size:14px}.practice-popup{width:95%;margin:10px}.practice-popup-header{padding:15px 20px 10px}.practice-popup-content{padding:20px}.practice-popup-actions{flex-direction:column;gap:10px}.practice-main-btn,.check-order-btn{padding:10px 20px;font-size:14px;min-width:150px}.feedback-button{font-size:12px;padding:10px 18px}}