/* ── Variables ── */
:root {
    --primary-color:   #0066cc;
    --secondary-color: #6c757d;
    --success-color:   #28a745;
    --danger-color:    #dc3545;
}

/* ── Layout ── */
.page-title {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 600;
}

.card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, .08);
    border-radius: 6px;
    margin-bottom: 20px;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

/* ── Forms ── */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 .2rem rgba(0, 102, 204, .25);
}

.form-group label {
    font-weight: 600;
}

/* ── Tables ── */
.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

/* ── Buttons ── */
.btn-primary {
    background-color: var(--primary-color);
    border-color:     var(--primary-color);
}

.btn-primary:hover {
    background-color: #0052a3;
    border-color:     #0052a3;
}