/* Mobile-first custom styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fa;
}

/* Login page */
#login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

#login-page .card {
    border: none;
    border-radius: 10px;
}

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

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Tables */
.table-responsive {
    border-radius: 8px;
    overflow: hidden;
}

.table {
    margin-bottom: 0;
}

.table thead {
    background-color: #f8f9fa;
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
}

/* Modals */
.modal-content {
    border-radius: 10px;
    border: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }

    .table-responsive {
        font-size: 0.875rem;
    }

    .card-body {
        padding: 1rem;
    }
}

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

/* Status badges */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* Page content */
.page-content {
    animation: fadeIn 0.3s;
}

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

/* Tab content - ensure inactive tabs are hidden */
.tab-content > .tab-pane {
    display: none;
}

.tab-content > .tab-pane.active {
    display: block;
}

.tab-content > .tab-pane.fade {
    opacity: 0;
    transition: opacity 0.15s linear;
}

.tab-content > .tab-pane.fade.active {
    opacity: 1;
}