.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.page-header h3 {
    font-weight: 700;
    color: var(--secondary);
    margin: 0;
}
.page-header p {
    margin: 3px 0 0;
    color: #777;
    font-size: 14px;
}
.card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 18px;
}
.table {
    margin-bottom: 0;
}
.table thead {
    background: #f8f6f2;
}
.table thead th {
    font-weight: 700;
    color: var(--secondary);
    padding: 7px 9px;
    border: none;
    font-size: 13px;
}
.table tbody td {
    padding: 7px 9px;
    vertical-align: middle;
    font-size: 13px;
}
.table tbody tr {
    transition: 0.2s ease;
}
.table tbody tr:hover {
    background: #f9f7f3;
}
.form-control,
.form-select {
    min-height: 44px;
    border-radius: 10px;
}
textarea.form-control {
    min-height: 100px;
    resize: vertical;
}
.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.15rem rgba(94, 140, 97, 0.15);
}
.btn {
    border-radius: 9px;
    font-weight: 600;
}
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}
.btn-success {
    background: var(--primary);
    border-color: var(--primary);
}
.btn-success:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}
.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}
.badge {
    padding: 6px 10px;
    border-radius: 16px;
    font-weight: 600;
    font-size: 12px;
}
.bill-total {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}
.bill-info p {
    margin-bottom: 7px;
    font-size: 14px;
}
.bill-info strong {
    color: var(--secondary);
}
.empty-box {
    padding: 40px 20px;
    text-align: center;
}
.empty-box i {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 12px;
}
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .page-header .btn {
        width: 100%;
    }
    .card {
        padding: 15px;
    }
    .table thead th,
    .table tbody td {
        padding: 6px 8px;
    }
}