/* ═══════════════════════════════════════════════
   LexBill PNG — Forms & Additional Styles
   Append to site.css or include separately
   ═══════════════════════════════════════════════ */

/* ── FORM PAGES ──────────────────────────────── */
.form-page {
    padding: 0 28px 28px;
}

.form-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 16px;
}

.form-section {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}
.form-section:last-child { border-bottom: none; }

.form-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--gray-100);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 0;
}
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-group {
    margin-bottom: 14px;
}
.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 4px;
}
.form-group textarea.form-control { resize: vertical; }

.required { color: var(--red); }

.field-error {
    display: block;
    font-size: 11.5px;
    color: var(--red);
    margin-top: 3px;
}

.form-hint {
    display: block;
    font-size: 11.5px;
    color: var(--gray-400);
    margin-top: 3px;
}

.form-actions {
    display: flex;
    gap: 10px;
    padding: 0 28px 28px;
    align-items: center;
}

/* ── AMOUNT DISPLAY ──────────────────────────── */
.amount-display {
    padding: 9px 12px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-400);
    min-height: 38px;
    display: flex;
    align-items: center;
    transition: color .2s;
}

/* ── TOGGLE CHECKBOX ─────────────────────────── */
.toggle-group {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 0;
}
.toggle-check { width: 16px; height: 16px; cursor: pointer; accent-color: var(--blue); }
.toggle-label { font-size: 13px; font-weight: 400; color: var(--gray-800); cursor: pointer; margin: 0; }

/* ── INVOICE CREATE LAYOUT ───────────────────── */
.invoice-create-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 0 20px;
    padding: 0 28px;
    align-items: start;
}
.invoice-create-layout .card { margin: 0 0 16px; }
.invoice-sidebar { position: sticky; top: 70px; }

/* ── TOTALS PREVIEW (sidebar) ────────────────── */
.totals-preview {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    padding: 12px 14px;
    margin: 16px 0;
}
.totals-preview-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
    color: var(--gray-600);
}
.totals-preview-total {
    font-weight: 700;
    font-size: 15px;
    color: var(--navy);
    border-top: 1px solid var(--gray-200);
    padding-top: 8px;
    margin-top: 4px;
}

/* ── SELECTABLE ROWS ─────────────────────────── */
.selectable-row { cursor: pointer; transition: background .1s; }
.selectable-row:has(.item-check:checked) { background: #eff6ff; }
.selectable-row:hover { background: var(--gray-50); }

/* ── ML UTILITY ──────────────────────────────── */
.ml-2 { margin-left: 8px; }

/* ── RESPONSIVE FORMS ────────────────────────── */
@media (max-width: 900px) {
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .invoice-create-layout { grid-template-columns: 1fr; }
    .invoice-sidebar { position: static; }
}