/* LBA Admin System Custom Styles */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 60px;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

/* Sidebar Styles */
.sidebar {
    min-height: 100vh;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
 position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: 100vh;
    padding-top: 1rem;
    overflow-x: hidden;
    overflow-y: auto;
}

.sidebar-sticky::-webkit-scrollbar {
    width: 4px;
}

.sidebar-sticky::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.sidebar-sticky::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 12px 20px;
    border-radius: 8px;
    margin: 2px 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.sidebar .nav-link:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.sidebar .nav-link.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.sidebar .nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.sidebar-brand {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand a {
    color: white;
}

.sidebar-heading {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-top: 20px;
    padding: 10px 20px 5px;
    color: rgba(255, 255, 255, 0.6);
}

/* Collapsed sidebar submenu */
.sidebar .collapse .nav-link {
    padding-left: 40px;
    font-size: 0.9rem;
}

/* Search bar in sidebar */
.sidebar .input-group-text {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
}

.sidebar .form-control {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.sidebar .form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.sidebar .form-control:focus {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}

/* Main Content Area */
main {
    padding: 20px;
    min-height: 100vh;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.card-header {
    background-color: white;
    border-bottom: 1px solid #eee;
    border-radius: 12px 12px 0 0 !important;
    padding: 20px;
    font-weight: 600;
}

.card-body {
    padding: 25px;
}

/* Project Cards */
.project-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.project-card .card-body {
    padding: 30px 20px;
}

.project-card .card-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 15px;
    line-height: 1.4;
    height: 2.8rem;
    overflow: hidden;
}

.project-card .card-footer {
    background-color: #f8f9fa;
    border-top: 1px solid #eee;
    padding: 10px 15px;
    text-align: center;
}

/* Statistics Cards */
.border-left-primary {
    border-left: 4px solid var(--primary-color) !important;
}

.border-left-success {
    border-left: 4px solid var(--success-color) !important;
}

.border-left-info {
    border-left: 4px solid var(--info-color) !important;
}

.border-left-warning {
    border-left: 4px solid var(--warning-color) !important;
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 8px;
}

/* Button Styles */
.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.btn-success {
    background: linear-gradient(135deg, #56cc9d 0%, #6bb6ac 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
}

.btn-warning {
    background: linear-gradient(135deg, #feca57 0%, #ff9ff3 100%);
    color: #333;
}

.btn-info {
    background: linear-gradient(135deg, #54a0ff 0%, #2e86de 100%);
}

/* Table Styles */
.table {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
}

.table th {
    background-color: #f8f9fa;
    border: none;
    font-weight: 600;
    color: #495057;
    padding: 15px;
}

.table td {
    border: none;
    padding: 15px;
    vertical-align: middle;
}

.table tbody tr {
    border-bottom: 1px solid #eee;
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Badge Styles */
.badge {
    border-radius: 20px;
    padding: 6px 12px;
    font-weight: 500;
    font-size: 0.75rem;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 20px;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f1c2c7 100%);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #fdf2a5 100%);
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #abdde5 100%);
    color: #0c5460;
}

/* Upload Area Styles */
.upload-area {
    border: 2px dashed #ddd;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: #f0f8ff;
}

.upload-area.dragover {
    border-color: var(--success-color);
    background-color: #f0fff4;
}

/* Pagination Styles */
.pagination .page-link {
    border: none;
    color: var(--primary-color);
    padding: 10px 15px;
    margin: 0 2px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Dropdown Styles */
.dropdown-menu {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 10px 0;
}

.dropdown-item {
    padding: 8px 20px;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.dropdown-item i {
    margin-right: 10px;
    width: 15px;
}

/* Modal Styles */
.modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: 1px solid #eee;
    border-radius: 15px 15px 0 0;
    padding: 20px 25px;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    border-top: 1px solid #eee;
    border-radius: 0 0 15px 15px;
    padding: 15px 25px;
}

/* Progress Bar Styles */
.progress {
    height: 8px;
    border-radius: 10px;
    background-color: #e9ecef;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    transition: width 0.6s ease;
}

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

/* Content Preview */
.content-preview {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* File Icons */
.fa-file-word { color: #2b579a; }
.fa-file-excel { color: #217346; }
.fa-file-powerpoint { color: #d24726; }
.fa-file-pdf { color: #dc3545; }
.fa-file-archive { color: #6c757d; }
.fa-image { color: #17a2b8; }
.fa-music { color: #e83e8c; }
.fa-video { color: #6f42c1; }
.fa-code { color: #fd7e14; }

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        margin-left: -100%;
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        z-index: 1000;
        transition: margin-left 0.3s ease;
    }
    
    .sidebar.show {
        margin-left: 0;
    }
    
    main {
        margin-left: 0 !important;
    }
    
    .project-card .card-title {
        font-size: 0.8rem;
        height: auto;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .btn-toolbar .btn-group {
        margin-bottom: 10px;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 15px;
    }
    
    .card-header {
        padding: 15px;
    }
    
    main {
        padding: 10px;
    }
    
    .btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e9ecef;
    }
    
    .card {
        background-color: #2d3748;
        color: #e9ecef;
    }
    
    .table {
        background-color: #2d3748;
        color: #e9ecef;
    }
    
    .table th {
        background-color: #4a5568;
    }
    
    .form-control, .form-select {
        background-color: #4a5568;
        border-color: #718096;
        color: #e9ecef;
    }
    
    .form-control:focus, .form-select:focus {
        background-color: #4a5568;
        border-color: var(--primary-color);
        color: #e9ecef;
    }
}

/* Custom Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

/* Utility Classes */
.shadow-sm { box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05) !important; }
.shadow { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important; }
.shadow-lg { box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15) !important; }

.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.bg-gradient-success {
    background: linear-gradient(135deg, #56cc9d 0%, #6bb6ac 100%) !important;
}

.bg-gradient-danger {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%) !important;
}

.bg-gradient-warning {
    background: linear-gradient(135deg, #feca57 0%, #ff9ff3 100%) !important;
}

.bg-gradient-info {
    background: linear-gradient(135deg, #54a0ff 0%, #2e86de 100%) !important;
}

/* Print Styles */
@media print {
    .sidebar, .btn-toolbar, .pagination, .modal {
        display: none !important;
    }
    
    main {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .table {
        font-size: 12px;
    }
}

/* Submenu Styles */
.submenu {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    padding: 8px;
    margin: 4px 0;
}



.submenu .nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}



.sidebar .nav-link[data-bs-toggle="collapse"]::after {
    content: '\f078';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    right: 1rem;
    transition: transform 0.3s;
}

.sidebar .nav-link[data-bs-toggle="collapse"][aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.sidebar .submenu {
    padding-left: 1rem;
    background: rgba(0,0,0,0.05);
    border-radius: 4px;
    margin: 0.5rem;
}

.sidebar .submenu .nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}