/* SchoolLink Africa Custom Styles */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

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

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #4CAF50 100%);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-image {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Cards */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    border-radius: 15px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    padding: 1.25rem 1.5rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #4CAF50);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0b5ed7, #45a049);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(45deg, var(--success-color), #4CAF50);
    border: none;
}

.btn-success:hover {
    background: linear-gradient(45deg, #157347, #45a049);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(45deg, var(--warning-color), #FF9800);
    border: none;
    color: var(--dark-color);
}

.btn-warning:hover {
    background: linear-gradient(45deg, #e0a800, #f57c00);
    transform: translateY(-2px);
    color: var(--dark-color);
}

/* Forms */
.form-control {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 0.75rem 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

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

.form-select {
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.input-group-text {
    border-radius: 8px 0 0 8px;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
}

/* Sidebar */
.sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, #212529 0%, #343a40 100%);
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.75);
    padding: 0.75rem 1rem;
    margin: 0.25rem 0;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

/* Statistics Cards */
.border-left-primary { border-left-color: var(--primary-color) !important; }
.border-left-success { border-left-color: var(--success-color) !important; }
.border-left-warning { border-left-color: var(--warning-color) !important; }
.border-left-info { border-left-color: var(--info-color) !important; }

/* Tables */
.table {
    border-radius: 10px;
    overflow: hidden;
}

.table th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    padding: 1rem 0.75rem;
}

.table td {
    padding: 0.75rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.5rem;
}

.alert-success {
    background: linear-gradient(45deg, #d1edff, #d4edda);
    color: #0f5132;
}

.alert-danger {
    background: linear-gradient(45deg, #f8d7da, #ffe6e6);
    color: #842029;
}

.alert-warning {
    background: linear-gradient(45deg, #fff3cd, #ffeaa7);
    color: #664d03;
}

.alert-info {
    background: linear-gradient(45deg, #d1ecf1, #cce5ff);
    color: #055160;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
    border-radius: 6px;
}

/* Profile Images */
.profile-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-img-lg {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Feature Icons */
.feature-icon i {
    background: linear-gradient(45deg, #f8f9fa, #e9ecef);
    padding: 1.5rem;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Custom Utilities */
.text-purple { color: #6f42c1 !important; }
.bg-purple { background-color: #6f42c1 !important; }

.shadow-sm { box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075); }
.shadow { box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15); }
.shadow-lg { box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175); }

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .feature-icon i {
        font-size: 2rem !important;
        padding: 1rem;
    }
    
    .sidebar {
        min-height: auto;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 0.7rem 1.5rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
}

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

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

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    .card {
        background-color: #2d3748;
        color: #e2e8f0;
    }
    
    .form-control {
        background-color: #4a5568;
        border-color: #718096;
        color: #e2e8f0;
    }
    
    .table {
        --bs-table-bg: #2d3748;
        --bs-table-color: #e2e8f0;
    }
}

/* Print Styles */
@media print {
    .sidebar, .navbar, .btn, .alert {
        display: none !important;
    }
    
    .card {
        border: 1px solid #dee2e6 !important;
        box-shadow: none !important;
    }
}

/* 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 indicators */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid #000;
    }
}