.invoice-lines-container { margin-bottom: 20px; }
.invoice-line { display: grid; grid-template-columns: 2fr 0.7fr 1fr 40px; gap: 10px; margin-bottom: 8px; align-items: end; }
.invoice-line .form-group { margin-bottom: 0; }
.invoice-line .btn-remove { background: none; border: none; color: var(--red); cursor: pointer; font-size: 18px; padding: 8px; }
.invoice-totals { background: var(--bg-body); border: 1px solid var(--border-color); border-radius: 10px; padding: 20px; margin-top: 16px; }
.invoice-total-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 14px; color: var(--text-secondary); }
.invoice-total-row.total { font-size: 18px; font-weight: 600; color: var(--d8-green-500); border-top: 1px solid var(--border-color); padding-top: 12px; margin-top: 4px; }
.tax-checkboxes { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.tax-check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-secondary); }
.tax-check input { accent-color: var(--d8-green-500); }
.invoice-detail-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(8px); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 24px; }
.invoice-detail-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 16px; width: 100%; max-width: 700px; max-height: 90vh; overflow-y: auto; padding: 36px; box-shadow: var(--shadow-xl); }
.invoice-detail-card h2 { font-family: var(--font-display); font-size: 28px; letter-spacing: 2px; margin-bottom: 24px; color: var(--text-primary); }
.btn-warning { background: #f59e0b; color: #000; }
.btn-warning:hover { background: #d97706; }