/* Estilos específicos para la página de retos */

.reto-card {
    transition: all 0.3s ease;
    border-left: 4px solid var(--card-accent-color);
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    position: relative;
}

.reto-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.15);
}

.reto-card .card-title {
    font-weight: 700;
    color: var(--card-text-color);
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.reto-card .card-title i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Colores por tipo de grupo */
.reto-card[data-grupo="1"] { --card-accent-color: #FF6B6B; --card-text-color: #C0392B; --card-bg-color: #FFEBEE; }
.reto-card[data-grupo="2"] { --card-accent-color: #4ECDC4; --card-text-color: #16A085; --card-bg-color: #E0F7FA; }
.reto-card[data-grupo="3"] { --card-accent-color: #45B7D1; --card-text-color: #2980B9; --card-bg-color: #E3F2FD; }
.reto-card[data-grupo="4"] { --card-accent-color: #F9CA24; --card-text-color: #F39C12; --card-bg-color: #FFF8E1; }
.reto-card[data-grupo="5"] { --card-accent-color: #6C5CE7; --card-text-color: #5F27CD; --card-bg-color: #EDE7F6; }
.reto-card[data-grupo="6"] { --card-accent-color: #FD79A8; --card-text-color: #E84393; --card-bg-color: #FCE4EC; }

.grupo-badge {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 600;
    background-color: var(--card-accent-color);
    color: white;
}

.reto-badge {
    background: linear-gradient(135deg, var(--card-bg-color) 0%, white 100%);
    color: var(--card-text-color);
    border: 1px solid var(--card-accent-color);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.apipa-badge {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
    color: #E65100;
    border: 1px solid #FFB74D;
    padding: 0.6rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.tablero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

/* Estilos para los encabezados */
.card-header.bg-primary {
    background: linear-gradient(135deg, #5ba8fcff 0%, #4a97eb 100%) !important;
    border-bottom: none;
}

.card-header.bg-success {
    background: linear-gradient(135deg, #4CAF50 0%, #388E3C 100%) !important;
    border-bottom: none;
}

.card-header.bg-info {
    background: linear-gradient(135deg, #00BCD4 0%, #0097A7 100%) !important;
    border-bottom: none;
}

.card-header h5 {
    font-weight: 700;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.card-header i {
    margin-right: 8px;
}

/* Resto de estilos (mantenidos del original) */
.form-asignacion {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    padding: 2rem;
}

.form-asignacion .card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.form-asignacion .card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.form-check-input:checked {
    background-color: #007bff;
    border-color: #007bff;
}

.form-check-input:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-select:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-select option:disabled {
    background-color: #f8f9fa;
    color: #6c757d;
}

.historial-table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.historial-table th {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.historial-table td {
    padding: 1rem;
    border-bottom: 1px solid #f8f9fa;
    vertical-align: middle;
}

.historial-table tr:hover {
    background-color: #f8f9fa;
}

.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.modal-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    border-radius: 15px 15px 0 0;
    border-bottom: none;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@media (max-width: 768px) {
    .tablero-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .reto-card {
        margin-bottom: 1rem;
    }
    
    .form-asignacion {
        padding: 1rem;
    }
}

.is-invalid {
    border-color: #dc3545;
}

.is-valid {
    border-color: #28a745;
}

.invalid-feedback {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.alert-custom {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-custom-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border-left-color: #ffc107;
}

.alert-custom-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left-color: #dc3545;
}