/* Main Content Area Styles */

/* Main Content Container */
.main-content {
    background-color: white;
    min-height: calc(100vh - var(--header-height));
    padding: 0;
}

.main-content .container,
.main-content .container-fluid {
    padding: 2rem 1.5rem;
}

/* Page Headers */
.page-header {
    background: white;
    padding: 2rem 0;
    margin: -2rem -1.5rem 2rem -1.5rem;
    border-bottom: 1px solid var(--college-border);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.page-header h1,
.page-header h2 {
    color: var(--college-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-header .lead {
    color: var(--college-gray);
    font-size: 1.1rem;
    margin-bottom: 0;
}

/* Breadcrumbs */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 1rem 0 0 0;
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: var(--college-gray);
}

.breadcrumb-item.active {
    color: var(--college-primary);
    font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--college-gray);
    font-weight: 600;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
    background: white;
}

.card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--college-primary) 0%, var(--college-secondary) 100%);
    color: white;
    border-bottom: none;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-header h5,
.card-header h6 {
    margin: 0;
    color: white;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: var(--college-light);
    border-top: 1px solid var(--college-border);
    padding: 1rem 1.5rem;
}

/* Dashboard Cards */
.dashboard-card {
    border-left: 4px solid var(--college-secondary);
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    border-left-width: 6px;
}

.border-left-primary {
    border-left-color: var(--college-primary) !important;
}

.border-left-success {
    border-left-color: var(--college-success) !important;
}

.border-left-info {
    border-left-color: var(--college-secondary) !important;
}

.border-left-warning {
    border-left-color: var(--college-warning) !important;
}

.border-left-danger {
    border-left-color: var(--college-danger) !important;
}

/* Statistics Cards */
.stat-card {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-card .stat-icon {
    font-size: 3rem;
    color: var(--college-secondary);
    margin-bottom: 1rem;
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--college-primary);
    margin-bottom: 0.5rem;
}

.stat-card .stat-label {
    color: var(--college-gray);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

/* Tables */
.table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.table thead th {
    background-color: #f8fafc;
    color: var(--college-dark);
    border: none;
    border-bottom: 2px solid var(--college-border);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    border-color: var(--college-border);
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: rgba(248, 250, 252, 0.8);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(248, 250, 252, 0.3);
}

/* Custom Button Classes */
.btn-custom {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
    text-transform: none;
    letter-spacing: 0.25px;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    cursor: pointer;
}

.btn-custom:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-custom-primary {
    background: linear-gradient(135deg, var(--college-primary) 0%, var(--college-secondary) 100%);
    color: white;
}

.btn-custom-primary:hover {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: white;
}

.btn-custom-secondary {
    background-color: var(--college-gray);
    color: white;
}

.btn-custom-secondary:hover {
    background-color: #475569;
    color: white;
}

.btn-custom-outline {
    border: 2px solid var(--college-primary);
    color: var(--college-primary);
    background: transparent;
}

.btn-custom-outline:hover {
    background: var(--college-primary);
    color: white;
}

/* Custom Form Classes */
.form-custom {
    border: 2px solid var(--college-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 1rem;
    width: 100%;
}

.form-custom:focus {
    border-color: var(--college-secondary);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
    outline: none;
}

.label-custom {
    font-weight: 600;
    color: var(--college-dark);
    margin-bottom: 0.5rem;
    display: block;
}

/* Custom Alert Classes */
.alert-custom {
    border: none;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-custom-primary {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--college-primary);
    border-left-color: var(--college-primary);
}

.alert-custom-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--college-success);
    border-left-color: var(--college-success);
}

.alert-custom-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--college-warning);
    border-left-color: var(--college-warning);
}

.alert-custom-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--college-danger);
    border-left-color: var(--college-danger);
}

/* Custom Badge Classes */
.badge-custom {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.badge-custom-primary {
    background-color: var(--college-primary);
    color: white;
}

.badge-custom-secondary {
    background-color: var(--college-gray);
    color: white;
}

.badge-custom-dark {
    background-color: var(--college-dark);
    color: white;
}

/* Custom Progress Classes */
.progress-custom {
    height: 8px;
    border-radius: 4px;
    background-color: var(--college-border);
    overflow: hidden;
}

.progress-custom-bar {
    background: linear-gradient(90deg, var(--college-secondary) 0%, var(--college-primary) 100%);
    border-radius: 4px;
    height: 100%;
    transition: width 0.3s ease;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--college-primary) 0%, var(--college-secondary) 100%);
    color: white;
    margin: -2rem -1.5rem 2rem -1.5rem;
    padding: 4rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.1"/><circle cx="10" cy="90" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-section > * {
    position: relative;
    z-index: 1;
}

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

.hero-section .lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-section .btn {
    margin: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.hero-section .btn-primary {
    background-color: white;
    color: var(--college-primary);
    border: 2px solid white;
}

.hero-section .btn-primary:hover {
    background-color: var(--college-light);
    color: var(--college-primary);
    transform: translateY(-2px);
}

.hero-section .btn-outline-primary {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.hero-section .btn-outline-primary:hover {
    background-color: white;
    color: var(--college-primary);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Utility Classes */
.text-college-primary {
    color: var(--college-primary) !important;
}

.text-college-secondary {
    color: var(--college-secondary) !important;
}

.text-college-accent {
    color: var(--college-accent) !important;
}

.bg-college-light {
    background-color: var(--college-light) !important;
}

.bg-college-primary {
    background-color: var(--college-primary) !important;
}

.border-college {
    border-color: var(--college-border) !important;
}

/* Responsive adjustments */
@media (max-width: 767.98px) {
    .main-content .container,
    .main-content .container-fluid {
        padding: 1rem;
    }
    
    .page-header {
        margin: -1rem -1rem 1.5rem -1rem;
        padding: 1.5rem 1rem;
    }
    
    .hero-section {
        margin: -1rem -1rem 1.5rem -1rem;
        padding: 3rem 1rem;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1.1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.75rem 0.5rem;
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }
}