/* Main Courses Page Styles */
#web-courses-container {
    padding: 2rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.section-description {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Filter Section */
.filter-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.search-input:focus {
    outline: none;
    border-color: #8b5cf6;
    background: white;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 1.1rem;
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    background: white;
    color: #64748b;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover {
    border-color: #8b5cf6;
    color: #8b5cf6;
}

.filter-btn.active {
    background: #8b5cf6;
    border-color: #8b5cf6;
    color: white;
}

/* Registrars Grid */
.registrars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.registrar-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.registrar-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.registrar-card-header {
    background: linear-gradient(135deg, #1e40af 0%, #09026e 100%);
    padding: 1.5rem;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.registrar-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.registrar-icon-symbol {
    font-size: 2rem;
    color: white;
}

.registrar-icon-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.registrar-badge {
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #7c3aed;
}

.registrar-card-body {
    padding: 1.5rem;
}

.registrar-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.registrar-description {
    color: #64748b;
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

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

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    text-align: center;
}

.stat-label {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
}

.registrar-card-footer {
    padding: 1rem 1.5rem 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.view-courses-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.875rem 1rem;
    background: #8b5cf6;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.view-courses-btn:hover {
    background: #7c3aed;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.arrow-icon {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.view-courses-btn:hover .arrow-icon {
    transform: translateX(2px);
}

/* No Registrars State */
.no-registrars {
    text-align: center;
    padding: 3rem 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.no-registrars-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.no-registrars h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.no-registrars p {
    color: #64748b;
    font-size: 1.1rem;
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 3rem 1rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid #8b5cf6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-state p {
    color: #64748b;
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .registrars-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-description {
        font-size: 1.1rem;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: none;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .registrars-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .registrar-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
    
    .stat-item {
        padding: 0.5rem;
    }
    
    .stat-value {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    #web-courses-container {
        padding: 1rem 0;
    }
    
    .section-header {
        margin-bottom: 2rem;
        padding: 1rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .filter-section {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .registrar-card-header {
        padding: 1rem;
    }
    
    .registrar-icon {
        width: 50px;
        height: 50px;
    }
    
    .registrar-icon-symbol {
        font-size: 1.5rem;
    }
    
    .registrar-card-body {
        padding: 1rem;
    }
    
    .registrar-card-footer {
        padding: 1rem;
    }
    
    .registrar-stats {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .stat-item {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}