/* =========================================
   Courses Page Styles - مركز التعليم المستمر
   ========================================= */

/* Hero Section */
.courses-hero {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-light);
    padding: 60px 0;
    text-align: center;
}

.courses-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.courses-hero h1 i {
    margin-left: 10px;
    color: var(--secondary);
}

.courses-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Filters */
.courses-filters {
    background: var(--bg-primary);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 60px;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.filters-form {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-secondary);
}

.filter-group select {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-group select:focus {
    border-color: var(--primary);
    outline: none;
}

/* Courses Grid */
.courses-section {
    padding: 40px 0 60px;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

/* Course Card */
.course-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.course-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 4rem;
    color: rgba(255,255,255,0.3);
}

.course-status {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-upcoming {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.status-ongoing {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.status-completed {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
}

.status-cancelled {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.course-category {
    position: absolute;
    bottom: 15px;
    left: 15px;
    padding: 5px 12px;
    background: rgba(0,0,0,0.7);
    color: white;
    border-radius: 15px;
    font-size: 0.8rem;
}

.course-content {
    padding: 20px;
}

.course-content h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    line-height: 1.4;
    color: var(--text-primary);
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.course-meta i {
    color: var(--primary);
}

.course-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.course-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.free-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.9rem;
}

/* No Courses */
.no-courses {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
}

.no-courses i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.no-courses h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

/* =========================================
   Course Detail Page
   ========================================= */

.course-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    background-size: cover;
    background-position: center;
    color: white;
    padding: 80px 0;
    text-align: center;
}

.course-category-badge {
    display: inline-block;
    background: var(--secondary);
    color: var(--primary-dark);
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 600;
    margin-bottom: 15px;
}

.course-header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.course-meta-header {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 1rem;
}

.course-meta-header span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.course-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
    padding: 40px 0;
}

.course-section {
    background: var(--bg-primary);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 25px;
    box-shadow: var(--shadow-sm);
}

.course-section h2 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.course-section h2 i {
    margin-left: 8px;
}

.instructor-card {
    display: flex;
    align-items: center;
    gap: 20px;
}

.instructor-card img,
.instructor-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.instructor-placeholder {
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-muted);
}

.instructor-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.instructor-info p {
    color: var(--text-secondary);
}

/* Sidebar */
.sidebar-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 140px;
}

.course-price-box {
    text-align: center;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.course-price-box .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.course-price-box .price.free {
    color: #10b981;
}

.course-info-list {
    margin-bottom: 20px;
}

.course-info-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.course-info-list li i {
    color: var(--primary);
    width: 20px;
}

.status-badge {
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

/* Registration Form */
.registration-section {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    margin: 40px 0;
    box-shadow: var(--shadow);
}

.registration-section h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 29, 107, 0.15);
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.registration-section .btn-lg {
    display: block;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

/* =========================================
   Certificate Verification Page
   ========================================= */

.verify-certificate-page {
    padding: 60px 0;
    min-height: 70vh;
}

.verify-hero {
    text-align: center;
    padding: 40px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.verify-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-dark);
}

.verify-hero h1 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.verify-form {
    max-width: 600px;
    margin: 30px auto 0;
}

.search-input-group {
    display: flex;
    gap: 10px;
}

.search-input-group input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.search-input-group input:focus {
    border-color: var(--primary);
    outline: none;
}

.certificate-result {
    padding: 40px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 30px;
}

.certificate-result.valid {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border: 2px solid #10b981;
}

.certificate-result.invalid {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    border: 2px solid #ef4444;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.result-header i {
    font-size: 3rem;
}

.certificate-result.valid .result-header i {
    color: #10b981;
}

.certificate-result.invalid .result-header i {
    color: #ef4444;
}

.result-header h2 {
    font-size: 1.5rem;
}

.certificate-details {
    max-width: 500px;
    margin: 0 auto;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.detail-row .label {
    font-weight: 600;
    color: var(--text-secondary);
}

.detail-row .value {
    color: var(--text-primary);
}

.detail-row .value.code {
    font-family: monospace;
    font-size: 0.85rem;
    background: rgba(0,0,0,0.05);
    padding: 5px 10px;
    border-radius: 5px;
}

.verify-info {
    background: var(--bg-primary);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.verify-info h3 {
    color: var(--primary);
    margin-bottom: 15px;
}

.verify-info ul {
    padding-right: 20px;
}

.verify-info li {
    margin-bottom: 10px;
    color: var(--text-secondary);
    list-style-type: disc;
}

/* =========================================
   Responsive Design
   ========================================= */

@media (max-width: 992px) {
    .course-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar-card {
        position: static;
    }
}

@media (max-width: 768px) {
    .courses-hero h1 {
        font-size: 1.8rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .course-header h1 {
        font-size: 1.8rem;
    }
    
    .course-meta-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-input-group {
        flex-direction: column;
    }
}