.card {
    background-color: var(--surface);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background-color: var(--surface);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    border-top: 4px solid var(--primary);
    box-shadow: var(--shadow);
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-card .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card.success {
    border-color: var(--success);
}

.stat-card.warning {
    border-color: var(--warning);
}

.stat-card.danger {
    border-color: var(--danger);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-warning {
    background-color: var(--warning);
    color: white;
}

.btn-neutral {
    background-color: var(--neutral);
    color: white;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.8rem;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-pending {
    background-color: #fff3cd;
    color: #856404;
}

.badge-approved {
    background-color: #d4edda;
    color: #155724;
}

.badge-rejected {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-free {
    background-color: #d1ecf1;
    color: #0c5460;
}

.badge-paid {
    background-color: #fce4d6;
    color: #7c3a00;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 95, 138, 0.15);
    outline: none;
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success);
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: var(--danger);
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: var(--primary);
    color: #0c5460;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning);
    color: #856404;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal {
    background-color: var(--surface);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
}