/* Custom CSS for Busitema University Reporting System */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --sidebar-width: 280px;
    --navbar-height: 56px;
}

/* Body and Layout */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    padding-top: var(--navbar-height);
}

.main-wrapper {
    min-height: calc(100vh - var(--navbar-height));
}

/* Navigation */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 0.375rem;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    overflow-y: auto;
}

.sidebar .nav-link {
    font-weight: 500;
    color: #333;
    padding: 0.75rem 1rem;
    margin: 0.125rem 0.5rem;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.1);
}

.sidebar .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.15);
    font-weight: 600;
}

.sidebar .nav-link i {
    width: 16px;
    text-align: center;
}

.sidebar-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Main Content */
main {
    margin-left: 0;
}

@media (min-width: 768px) {
    main {
        margin-left: var(--sidebar-width);
    }
    
    .sidebar {
        width: var(--sidebar-width);
    }
}

/* Cards */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    font-weight: 600;
}

/* Statistics Cards */
.border-left-primary {
    border-left: 0.25rem solid var(--primary-color) !important;
}

.border-left-success {
    border-left: 0.25rem solid var(--success-color) !important;
}

.border-left-warning {
    border-left: 0.25rem solid var(--warning-color) !important;
}

.border-left-info {
    border-left: 0.25rem solid var(--info-color) !important;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

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

/* Forms */
.form-control {
    border-radius: 0.5rem;
    border: 1px solid #ced4da;
    transition: all 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-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-select {
    border-radius: 0.5rem;
}

/* Tables */
.table {
    border-radius: 0.5rem;
    overflow: hidden;
}

.table th {
    background-color: var(--light-color);
    font-weight: 600;
    border-bottom: 2px solid #dee2e6;
}

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

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.75rem;
    font-weight: 500;
}

.alert-dismissible .btn-close {
    padding: 1rem 1rem;
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin: 0;
}
@media only screen and (min-width: 770px){
    .breadcrumb, footer{
       margin-left: 17em; 
    }
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    margin-top: auto;
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--info-color) !important;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
}

.login-card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    border-radius: 1rem 1rem 0 0;
}

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

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

/* Custom Utilities */
.text-xs {
    font-size: 0.75rem;
}

.font-weight-bold {
    font-weight: 700 !important;
}

.text-gray-800 {
    color: #5a5c69 !important;
}

.text-gray-300 {
    color: #dddfeb !important;
}

/* Responsive Design */
@media (max-width: 767.98px) {
    .sidebar {
        position: static;
        height: auto;
        padding: 0;
    }
    
    main {
        margin-left: 0;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        border-radius: 0.5rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .sidebar,
    .btn,
    .breadcrumb,
    footer {
        display: none !important;
    }
    
    main {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
    
    .table {
        border: 1px solid #000 !important;
    }
    
    .table th,
    .table td {
        border: 1px solid #000 !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --light-color: #343a40;
        --dark-color: #f8f9fa;
    }
    
    body {
        background-color: #1a1a1a;
        color: #f8f9fa;
    }
    
    .card {
        background-color: #2d3748;
        color: #f8f9fa;
    }
    
    .sidebar {
        background-color: #2d3748 !important;
    }
    
    .sidebar .nav-link {
        color: #f8f9fa;
    }
    
    .table {
        color: #f8f9fa;
    }
    
    .table th {
        background-color: #4a5568;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}