body {
            font-family: Arial, sans-serif;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
            color: white;
            padding: 50px;
            margin: 0;
            min-height: 100vh;
        }
        
        .test-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        
        .test-button {
            background: linear-gradient(45deg, #0099cc, #00ff88);
            border: none;
            border-radius: 10px;
            color: #000;
            padding: 15px 30px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            margin: 20px;
            transition: all 0.3s ease;
        }
        
        .test-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 153, 204, 0.4);
        }
        
        /* Estilos del modal */
        .timer-modal {
            display: none;
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.9);
            backdrop-filter: blur(5px);
            align-items: center;
            justify-content: center;
        }
        
        .modal-content {
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
            border: 2px solid #00ff88;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 
                0 0 30px #00ff88,
                0 0 60px #00ff88,
                inset 0 0 20px rgba(0, 255, 136, 0.1);
            max-width: 600px;
            max-height: 90%;
            overflow-y: auto;
            position: relative;
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 1px solid #0099cc;
        }
        
        .modal-header h2 {
            color: #00ff88;
            text-shadow: 0 0 10px #00ff88;
            font-size: 1.8rem;
            margin: 0;
        }
        
        .modal-close {
            background: none;
            border: none;
            color: #ff4444;
            font-size: 2rem;
            cursor: pointer;
            padding: 5px;
            line-height: 1;
            transition: all 0.3s ease;
        }
        
        .section {
            background: rgba(0, 0, 0, 0.6);
            border: 1px solid #0099cc;
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 20px;
            box-shadow: 0 0 15px rgba(0, 153, 204, 0.3);
        }
        
        .section-title {
            font-size: 1.3rem;
            color: #0099cc;
            margin-bottom: 15px;
            text-align: center;
            text-shadow: 0 0 8px #0099cc;
        }
        
        .digital-display {
            font-size: 2.5rem;
            font-weight: bold;
            text-align: center;
            color: #00ff88;
            margin: 15px 0;
            text-shadow: 0 0 5px #00ff88, 0 0 10px #00ff88, 0 0 20px #00ff88;
            font-family: 'Courier New', monospace;
            letter-spacing: 0.05em;
        }
        
        .timer-display {
            font-size: 3rem;
            color: #ff4444;
            text-shadow: 0 0 5px #ff4444, 0 0 10px #ff4444, 0 0 20px #ff4444;
        }
        
        .input-group {
            display: flex;
            gap: 15px;
            margin-bottom: 15px;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .time-input {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .time-input label {
            color: #0099cc;
            margin-bottom: 5px;
            font-size: 0.9rem;
        }
        
        .time-input input {
            background: rgba(0, 0, 0, 0.7);
            border: 2px solid #0099cc;
            border-radius: 8px;
            color: #00ff88;
            padding: 8px;
            font-size: 1.1rem;
            text-align: center;
            width: 70px;
            font-family: 'Courier New', monospace;
            transition: all 0.3s ease;
        }
        
        .time-input input:focus {
            outline: none;
            border-color: #00ff88;
            box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
        }
        
        .controls {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 15px;
        }
        
        .btn {
            background: linear-gradient(45deg, #0099cc, #00ff88);
            border: none;
            border-radius: 10px;
            color: #000;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            box-shadow: 0 4px 15px rgba(0, 153, 204, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 
                0 6px 20px rgba(0, 153, 204, 0.4),
                0 0 20px rgba(0, 255, 136, 0.3);
        }
        
        .btn.danger {
            background: linear-gradient(45deg, #ff4444, #ff6666);
            color: white;
        }
        
        .btn.danger:hover {
            box-shadow: 
                0 6px 20px rgba(255, 68, 68, 0.4),
                0 0 20px rgba(255, 68, 68, 0.3);
        }
        
        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }
        
        .status {
            text-align: center;
            margin-top: 12px;
            font-size: 1rem;
            color: #0099cc;
            min-height: 20px;
        }
        
        .status.active {
            color: #00ff88;
            text-shadow: 0 0 8px #00ff88;
        }
        
        .debug-info {
            background: rgba(0, 0, 0, 0.8);
            border: 1px solid #666;
            border-radius: 8px;
            padding: 15px;
            margin: 20px 0;
            font-family: monospace;
            font-size: 0.9rem;
            color: #00ff88;
            max-height: 200px;
            overflow-y: auto;
        }