/*
Bootstrap 5.3.0 CSS should be placed here.

Download from: https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css

Or use CDN in your HTML:
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">

FontAwesome icons:
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
*/

/* Fallback styles if Bootstrap is not loaded */
.container, .container-fluid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    margin: 4px 2px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary { background-color: #007bff; }
.btn-success { background-color: #28a745; }
.btn-danger { background-color: #dc3545; }
.btn-warning { background-color: #ffc107; color: #212529; }

.alert {
    padding: 12px;
    margin: 16px 0;
    border-radius: 4px;
}

.alert-success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-warning { background-color: #fff3cd; color: #856404; border: 1px solid #ffeaa7; }

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 16px;
}

.card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    margin-bottom: 20px;
}

.card-body {
    padding: 20px;
}

.navbar {
    background-color: #343a40;
    padding: 10px 0;
}

.navbar-brand {
    color: white;
    font-weight: bold;
    text-decoration: none;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px;
    border-bottom: 1px solid #dee2e6;
    text-align: left;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    color: white;
}

.bg-success { background-color: #28a745; }
.bg-danger { background-color: #dc3545; }
.bg-warning { background-color: #ffc107; color: #212529; }
.bg-info { background-color: #17a2b8; }

.text-center { text-align: center; }
.text-muted { color: #6c757d; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.d-none { display: none; }

/* Responsive grid fallback */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-md-3,
.col-md-6,
.col-md-8,
.col-md-12 {
    padding: 0 15px;
    flex: 1;
}

@media (min-width: 768px) {
    .col-md-3 { flex: 0 0 25%; }
    .col-md-6 { flex: 0 0 50%; }
    .col-md-8 { flex: 0 0 66.666667%; }
    .col-md-12 { flex: 0 0 100%; }
}