/* Estilos para entrenamiento por intervalos */

.interval-training-container {
    padding: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.interval-header {
    text-align: center;
    margin-bottom: 2rem;
}

.interval-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
}

.interval-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.info-item {
    text-align: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.info-label {
    display: block;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
}

.timer-section {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
}

.timer-display {
    font-size: 4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.phase-indicator {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: inline-block;
}

.interval-progress {
    margin-top: 1.5rem;
}

.progress-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.controls-section {
    margin-bottom: 2rem;
}

.control-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.control-buttons .glass-button {
    flex: 1;
    min-width: 120px;
    padding: 1rem;
}

.gps-metrics {
    margin-bottom: 2rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.metric-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.metric-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.workout-info {
    margin-bottom: 2rem;
}

.workout-info h3 {
    color: #ffffff;
    margin-bottom: 1rem;
    text-align: center;
}

.workout-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

.detail-item {
    text-align: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-label {
    display: block;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
}

.workout-completed {
    text-align: center;
    padding: 3rem 2rem;
}

.completed-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 1s ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.workout-completed h1 {
    color: #ffffff;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.workout-completed p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.completed-message {
    font-size: 1.1rem;
    font-weight: 600;
    color: #4ade80 !important;
    margin-bottom: 2rem !important;
}

.completed-actions {
    margin-top: 2rem;
}

/* Estados de fase */
.phase-indicator.work {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    color: #fca5a5;
}

.phase-indicator.rest {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.5);
    color: #86efac;
}

/* Responsive */
@media (max-width: 768px) {
    .interval-training-container {
        padding: 0.5rem;
    }
    
    .timer-display {
        font-size: 3rem;
    }
    
    .control-buttons {
        flex-direction: column;
    }
    
    .control-buttons .glass-button {
        min-width: auto;
    }
    
    .interval-info {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .workout-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .timer-display {
        font-size: 2.5rem;
    }
    
    .interval-info {
        grid-template-columns: 1fr;
    }
    
    .workout-details {
        grid-template-columns: 1fr;
    }
}