/* Custom CSS for Portal Actividades JClic */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Cards */
.card {
    border: none;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    height: 100%;
}

.rating-card {
    height: auto !important;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.actividad-card .card-img-top {
    height: 180px;
}

.actividad-card .card-body {
    padding: 1.25rem;
}

.actividad-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.actividad-card .card-text {
    color: var(--secondary-color);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Activity Grid */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
    transform: translateY(-1px);
}

/* Admin Styles */
.admin-header {
    background: var(--light-color);
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.stats-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    text-align: center;
}

.stats-card .stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stats-card .stats-label {
    color: var(--secondary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Forms */
.form-control, .form-select {
    border-radius: var(--border-radius);
    border: 1px solid #ced4da;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* File Upload */
.file-upload-area {
    border: 2px dashed #ced4da;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    background: var(--light-color);
    transition: all 0.3s ease;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(13, 110, 253, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(13, 110, 253, 0.1);
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    border-top: none;
    color: var(--dark-color);
}

.table-actions {
    white-space: nowrap;
}

.table-actions .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Activity Viewer */
.activity-viewer {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.activity-viewer iframe {
    width: 100%;
    height: 600px;
    border: none;
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1rem;
    }
    
    .activities-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .stats-card .stats-number {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .activities-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .card-img-top {
        height: 150px;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for better accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 1px solid var(--dark-color);
    }
    
    .btn-outline-primary {
        border-width: 2px;
    }
}