/* Global Styles */
body {
    background-color: #f8f9fc;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#mainContent {
    flex: 1;
}

/* Card Styles */
.card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 1.25rem;
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-extra-color {
    background: linear-gradient(137deg, #8491cd 0%, #81450e 100%) !important;
    border: none;
    color: #ffffff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd6 0%, #6a3f8f 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Badge Styles */
.badge {
    padding: 0.35rem 0.75rem;
    font-weight: 500;
    border-radius: 20px;
}

/* Form Styles */
.form-control:focus,
.form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.input-group-text {
    background-color: #f8f9fc;
    border-right: none;
}

.input-group .form-control {
    border-left: none;
}

/* Table Styles */
.table th {
    border-top: none;
    font-weight: 600;
    color: #4a5568;
}

.table td {
    vertical-align: middle;
}

/* Stat Cards */
.stat-card {
    transition: transform 0.2s;
    cursor: default;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card .icon-wrapper {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

/* File Upload Area */
.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: #667eea;
    background-color: rgba(102, 126, 234, 0.05);
}

.file-upload-area.dragover {
    border-color: #667eea;
    background-color: rgba(102, 126, 234, 0.1);
}

/* Pagination */
.pagination .page-link {
    color: #667eea;
    border-radius: 8px;
    margin: 0 2px;
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
}

.pagination .page-link:hover {
    color: #5a6fd6;
}

/* Alerts */
.alert {
    border-radius: 10px;
    border: none;
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.loading-spinner .spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .table-responsive {
        font-size: 14px;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

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

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Auth Pages */
.auth-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    padding: 20px;
}

.auth-card {
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 100%;
    background: white;
}