/* ═══════════════════════════════════════════════════════════════
   INVOICE GENERATOR — invoice.css
   Kapoor Advertisement  |  kapooradvertisement.com
═══════════════════════════════════════════════════════════════ */

/* ── Root tokens ──────────────────────────────────────────── */
:root {
  --inv-primary:   #2563eb;
  --inv-primary-d: #1d4ed8;
  --inv-accent:    #0ea5e9;
  --inv-success:   #16a34a;
  --inv-danger:    #dc2626;
  --inv-warn:      #d97706;
  --inv-bg:        #f8fafc;
  --inv-surface:   #ffffff;
  --inv-border:    #e2e8f0;
  --inv-text:      #0f172a;
  --inv-muted:     #64748b;
  --inv-radius:    12px;
  --inv-shadow:    0 4px 24px rgba(15,23,42,.08);
}

/* ── Hero ─────────────────────────────────────────────────── */
.inv-hero {
  background: linear-gradient(135deg,#0f172a 0%,#1e3a5f 60%,#1d4ed8 100%);
  padding: 64px 0 52px;
  text-align: center;
  color: #fff;
}
.inv-hero-inner { max-width: 640px; margin: 0 auto; padding: 0 1rem; }
.inv-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  padding: 4px 14px; border-radius: 999px; font-size: .78rem;
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 1rem;
}
.inv-hero h1 {
  font-family: 'Poppins', sans-serif; font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; margin: 0 0 .75rem; line-height: 1.2;
}
.inv-hero p { font-size: 1.05rem; color: #cbd5e1; margin: 0 0 1.5rem; }
.inv-trust {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.2rem;
  font-size: .82rem; color: #94a3b8;
}
.inv-trust span { display: flex; align-items: center; gap: .35rem; }
.inv-trust i { color: #38bdf8; }

/* ── Layout ───────────────────────────────────────────────── */
.inv-tool { padding: 40px 0 60px; background: var(--inv-bg); }
.inv-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 1024px) { .inv-layout { grid-template-columns: 1fr; } }

/* ── Form Panel ───────────────────────────────────────────── */
.inv-form-panel { display: flex; flex-direction: column; gap: 18px; }

/* ── Top Controls ─────────────────────────────────────────── */
.inv-top-controls {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.inv-toggle-wrap { display: flex; align-items: center; gap: .6rem; font-size: .9rem; }
.inv-toggle-value { font-weight: 600; color: var(--inv-primary); min-width: 120px; }
.inv-switch { position: relative; display: inline-block; width: 46px; height: 26px; }
.inv-switch input { opacity: 0; width: 0; height: 0; }
.inv-slider {
  position: absolute; inset: 0; cursor: pointer;
  background: #cbd5e1; border-radius: 999px; transition: .3s;
}
.inv-slider:before {
  content: ''; position: absolute; height: 20px; width: 20px;
  left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: .3s;
}
.inv-switch input:checked + .inv-slider { background: var(--inv-primary); }
.inv-switch input:checked + .inv-slider:before { transform: translateX(20px); }
.inv-currency-wrap { display: flex; align-items: center; gap: .5rem; }
.inv-select-sm {
  padding: 6px 10px; border: 1px solid var(--inv-border);
  border-radius: 8px; font-size: .85rem; background: var(--inv-surface);
  color: var(--inv-text); cursor: pointer;
}

/* ── Card ─────────────────────────────────────────────────── */
.inv-card {
  background: var(--inv-surface); border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius); padding: 20px 22px;
  box-shadow: var(--inv-shadow);
}
.inv-card-head {
  font-family: 'Poppins', sans-serif; font-size: .82rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .07em; color: var(--inv-primary);
  margin-bottom: 16px; display: flex; align-items: center; gap: .5rem;
}

/* ── Grid helpers ─────────────────────────────────────────── */
.inv-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.inv-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px 16px; }
.inv-field-full { grid-column: 1 / -1; }
@media (max-width: 600px) {
  .inv-grid-2, .inv-grid-3 { grid-template-columns: 1fr; }
}

/* ── Form fields ──────────────────────────────────────────── */
.inv-field { display: flex; flex-direction: column; gap: 5px; }
.inv-field label {
  font-size: .78rem; font-weight: 600; color: var(--inv-muted);
  text-transform: uppercase; letter-spacing: .05em;
}
.inv-req { color: var(--inv-danger); }
.inv-opt { color: #94a3b8; font-weight: 400; text-transform: none; letter-spacing: 0; }
.inv-field input, .inv-field textarea, .inv-field select {
  border: 1px solid var(--inv-border); border-radius: 8px;
  padding: 9px 12px; font-size: .88rem; color: var(--inv-text);
  background: #fff; transition: border-color .2s, box-shadow .2s;
  font-family: 'Inter', sans-serif; resize: vertical;
}
.inv-field input:focus, .inv-field textarea:focus, .inv-field select:focus {
  outline: none; border-color: var(--inv-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.inv-readonly { background: var(--inv-bg) !important; color: var(--inv-muted); }
.inv-prefix-wrap { display: flex; }
.inv-prefix {
  display: flex; align-items: center; padding: 0 10px;
  background: var(--inv-bg); border: 1px solid var(--inv-border);
  border-right: none; border-radius: 8px 0 0 8px; font-size: .88rem; color: var(--inv-muted);
}
.inv-prefix-wrap input { border-radius: 0 8px 8px 0 !important; }

/* ── Logo Upload ──────────────────────────────────────────── */
.inv-logo-upload { position: relative; }
.inv-logo-placeholder {
  border: 2px dashed var(--inv-border); border-radius: 10px;
  padding: 20px; text-align: center; cursor: pointer; transition: .2s;
  color: var(--inv-muted); display: flex; flex-direction: column;
  align-items: center; gap: 8px; font-size: .85rem;
}
.inv-logo-placeholder:hover { border-color: var(--inv-primary); background: #eff6ff; }
.inv-logo-placeholder i { font-size: 1.6rem; color: var(--inv-primary); }
#sellerLogoPreview {
  max-height: 80px; max-width: 220px; border-radius: 8px;
  object-fit: contain; display: block;
}
.inv-logo-remove {
  position: absolute; top: -8px; right: -8px; width: 24px; height: 24px;
  border-radius: 50%; background: var(--inv-danger); color: #fff;
  border: none; cursor: pointer; font-size: .75rem;
  display: flex; align-items: center; justify-content: center;
}

/* ── Items Table ──────────────────────────────────────────── */
.inv-items-wrap { width: 100%; }
.inv-items-header {
  display: grid;
  grid-template-columns: 3fr 1fr 1.2fr .9fr 1.2fr 28px;
  gap: 6px; padding: 6px 4px; margin-bottom: 4px;
  font-size: .72rem; font-weight: 700; color: var(--inv-muted);
  text-transform: uppercase; letter-spacing: .05em;
}
.inv-item-row {
  display: grid;
  grid-template-columns: 3fr 1fr 1.2fr .9fr 1.2fr 28px;
  gap: 6px; margin-bottom: 8px; align-items: center;
}
.inv-item-row input {
  border: 1px solid var(--inv-border); border-radius: 6px;
  padding: 7px 8px; font-size: .84rem; width: 100%;
  font-family: 'Inter', sans-serif; transition: border-color .2s;
}
.inv-item-row input:focus { outline: none; border-color: var(--inv-primary); }
.inv-item-row .item-total { font-size: .84rem; font-weight: 600; color: var(--inv-text); text-align: right; padding-right: 4px; }
.inv-item-del {
  width: 26px; height: 26px; border-radius: 6px; background: #fef2f2;
  color: var(--inv-danger); border: 1px solid #fecaca; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: .75rem;
  transition: .2s; flex-shrink: 0;
}
.inv-item-del:hover { background: var(--inv-danger); color: #fff; }
.inv-btn-add {
  margin-top: 10px; background: none; border: 1.5px dashed var(--inv-primary);
  color: var(--inv-primary); border-radius: 8px; padding: 8px 16px;
  cursor: pointer; font-size: .85rem; font-weight: 600; transition: .2s;
  display: flex; align-items: center; gap: .5rem;
}
.inv-btn-add:hover { background: #eff6ff; }

/* ── Action Buttons ───────────────────────────────────────── */
.inv-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.inv-btn {
  flex: 1 1 120px; padding: 11px 18px; border-radius: 10px; border: none;
  cursor: pointer; font-family: 'Poppins', sans-serif; font-size: .88rem;
  font-weight: 600; display: flex; align-items: center; justify-content: center;
  gap: .5rem; transition: .2s;
}
.inv-btn-preview { background: var(--inv-bg); border: 1.5px solid var(--inv-border); color: var(--inv-text); }
.inv-btn-preview:hover { border-color: var(--inv-primary); color: var(--inv-primary); }
.inv-btn-pdf { background: var(--inv-danger); color: #fff; }
.inv-btn-pdf:hover { background: #b91c1c; }
.inv-btn-print { background: var(--inv-primary); color: #fff; }
.inv-btn-print:hover { background: var(--inv-primary-d); }
.inv-btn-reset { background: var(--inv-bg); border: 1.5px solid var(--inv-border); color: var(--inv-muted); }
.inv-btn-reset:hover { border-color: var(--inv-danger); color: var(--inv-danger); }

/* ── Preview Panel ────────────────────────────────────────── */
.inv-preview-panel {}
.inv-preview-sticky { position: sticky; top: 90px; }
.inv-preview-label {
  display: flex; align-items: center; gap: .5rem;
  font-family: 'Poppins', sans-serif; font-size: .82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em; color: var(--inv-muted);
  margin-bottom: 10px;
}
.inv-preview-hint { margin-left: auto; font-size: .72rem; color: #94a3b8; font-weight: 400; text-transform: none; letter-spacing: 0; }
.inv-preview-scroll {
  background: #e2e8f0;
  border-radius: var(--inv-radius);
  padding: 16px;
  max-height: 82vh;
  overflow-y: auto;
}
.inv-preview-doc {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  min-height: 600px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: #111;
  overflow: hidden;
}

/* ── Invoice Document Styles (inside preview + print) ─────── */
.inv-doc { padding: 32px 36px; min-height: 600px; }

.inv-doc-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.inv-doc-logo {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  padding: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 110px;
  min-height: 110px;
}
.inv-doc-logo img {
  width: 110px !important;
  height: 110px !important;
  max-width: 110px !important;
  max-height: 110px !important;
  object-fit: contain;
  display: block;
}
.inv-doc-title-block { text-align: right; }
.inv-doc-title {
  font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 700;
  color: #1d4ed8; letter-spacing: .04em;
}
.inv-doc-type { font-size: 10px; color: #64748b; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.inv-doc-meta { font-size: 11px; color: #334155; margin-top: 6px; }
.inv-doc-meta span { display: block; }

.inv-doc-parties {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px;
}
.inv-doc-party h4 {
  font-size: 9px; text-transform: uppercase; letter-spacing: .1em;
  color: #64748b; margin: 0 0 6px; font-weight: 700;
}
.inv-doc-party p { font-size: 11px; color: #0f172a; line-height: 1.7; margin: 0; }
.inv-doc-party .party-name { font-weight: 700; font-size: 13px; color: #1e293b; }

.inv-doc-divider { height: 1px; background: #e2e8f0; margin: 16px 0; }

.inv-doc-table { width: 100%; border-collapse: collapse; font-size: 11px; margin-bottom: 16px; }
.inv-doc-table thead tr { background: #1d4ed8; color: #fff; }
.inv-doc-table thead th { padding: 8px 10px; text-align: left; font-weight: 600; font-size: 10px; letter-spacing: .05em; }
.inv-doc-table thead th:last-child { text-align: right; }
.inv-doc-table tbody tr:nth-child(even) { background: #f8fafc; }
.inv-doc-table tbody td { padding: 8px 10px; border-bottom: 1px solid #f1f5f9; color: #1e293b; }
.inv-doc-table tbody td:last-child { text-align: right; font-weight: 600; }
.inv-doc-table .td-sr { color: #94a3b8; font-size: 10px; width: 28px; }

.inv-doc-totals { display: flex; justify-content: flex-end; margin-bottom: 16px; }
.inv-doc-totals-inner { min-width: 220px; }
.inv-tot-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 11px; color: #334155; }
.inv-tot-row.inv-tot-sub { color: #64748b; }
.inv-tot-row.inv-tot-tax { color: #0f766e; }
.inv-tot-row.inv-tot-grand {
  font-weight: 800; font-size: 13px; color: #1d4ed8;
  border-top: 2px solid #1d4ed8; margin-top: 6px; padding-top: 8px;
}
.inv-tot-row.inv-tot-disc { color: var(--inv-success); }
.inv-tot-row.inv-tot-ship { color: #7c3aed; }

.inv-doc-amtwords { background: #f0f9ff; border-left: 3px solid #0ea5e9; padding: 8px 12px; border-radius: 0 6px 6px 0; font-size: 11px; color: #0f172a; margin-bottom: 16px; }
.inv-doc-amtwords strong { font-weight: 700; }

.inv-doc-bank { margin-bottom: 16px; }
.inv-doc-bank h5 { font-size: 9px; text-transform: uppercase; letter-spacing: .1em; color: #64748b; margin: 0 0 6px; }
.inv-doc-bank .bank-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; }
.inv-doc-bank .bank-row { font-size: 10px; color: #334155; }
.inv-doc-bank .bank-row span { font-weight: 600; color: #1e293b; }

.inv-doc-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #e2e8f0;
}
.inv-doc-notes {
  flex: 1;
  font-size: 10.5px;
  color: #334155;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 180px;
}
.inv-doc-notes h5 {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: #2563eb;
  margin: 0 0 5px;
  font-weight: 800;
}
.inv-doc-notes p {
  margin: 0 0 8px;
  line-height: 1.6;
  color: #334155;
}
.inv-doc-notes p:last-child { margin-bottom: 0; }
.inv-doc-notes .notes-terms-divider {
  height: 1px;
  background: #e2e8f0;
  margin: 8px 0;
}
.inv-doc-sig { text-align: center; min-width: 140px; }
.inv-doc-sig .sig-line { height: 1px; background: #94a3b8; margin-bottom: 4px; width: 140px; }
.inv-doc-sig p { font-size: 10px; color: #64748b; }

.inv-doc-gst-badge {
  display: inline-flex; align-items: center; gap: 4px;
  background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 4px;
  padding: 3px 8px; font-size: 9px; color: #16a34a; font-weight: 700;
  letter-spacing: .06em; margin-bottom: 6px;
}

/* ── SEO Content ──────────────────────────────────────────── */
.inv-seo-content { background: #fff; padding: 56px 0; border-top: 1px solid var(--inv-border); }
.inv-seo-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }
.inv-seo-main h2 {
  font-family: 'Poppins', sans-serif; font-size: clamp(1.35rem,2.5vw,1.8rem);
  font-weight: 700; color: #0f172a; margin: 0 0 1rem;
}
.inv-seo-main h3 { font-family: 'Poppins', sans-serif; font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 1.5rem 0 .6rem; }
.inv-seo-main p { color: #334155; line-height: 1.8; margin-bottom: .9rem; font-size: .95rem; }
.inv-seo-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.inv-seo-list li { display: flex; align-items: flex-start; gap: .6rem; font-size: .92rem; color: #334155; }
.inv-seo-list i { color: var(--inv-success); margin-top: 3px; flex-shrink: 0; }
.inv-seo-steps { padding-left: 1.2rem; color: #334155; font-size: .92rem; line-height: 1.9; }

.inv-faq-card {
  background: var(--inv-bg); border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius); padding: 24px;
}
.inv-faq-card h3 { font-family: 'Poppins', sans-serif; font-size: 1rem; font-weight: 700; margin: 0 0 16px; display: flex; align-items: center; gap: .5rem; color: var(--inv-primary); }
.inv-faq { border-bottom: 1px solid var(--inv-border); }
.inv-faq:last-child { border-bottom: none; }
.inv-faq summary { cursor: pointer; padding: 12px 0; font-size: .88rem; font-weight: 600; color: #1e293b; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.inv-faq summary::after { content: '+'; font-size: 1.1rem; color: var(--inv-muted); transition: .2s; }
.inv-faq[open] summary::after { content: '−'; }
.inv-faq p { font-size: .84rem; color: #64748b; line-height: 1.7; padding-bottom: 12px; margin: 0; }

@media (max-width: 900px) {
  .inv-seo-grid { grid-template-columns: 1fr; }
}

/* ── Print styles ─────────────────────────────────────────── */
@media print {
  html, body {
    margin: 0 !important;
    padding: 0 !important;
    background: #fff !important;
    height: auto !important;
    overflow: visible !important;
  }
  /* Hide everything except the print area */
  body > *:not(#printArea) { display: none !important; }
  #printArea {
    display: block !important;
    position: static !important;
    left: auto !important;
    top: auto !important;
    width: 100% !important;
    background: #fff !important;
  }
  #printArea .inv-doc {
    padding: 12mm 14mm;
    box-shadow: none !important;
    border: none !important;
  }
  /* Ensure logo prints at correct size */
  #printArea .inv-doc-logo img,
  #printArea .inv-doc-logo-img {
    width: 110px !important;
    height: 110px !important;
    max-width: 110px !important;
    max-height: 110px !important;
    object-fit: contain !important;
    display: block !important;
  }
  @page { size: A4; margin: 0; }
}

/* ── GST-only field hide/show ─────────────────────────────── */
body.non-gst .gst-field { display: none !important; }

/* ═══════════════════════════════════════════════════════════════
   INVOICE GENERATOR — MOBILE RESPONSIVENESS
═══════════════════════════════════════════════════════════════ */

/* ── Steps bar ────────────────────────────────────────────── */
.inv-steps-bar { background: var(--inv-surface); border-bottom: 1px solid var(--inv-border); padding: 14px 0; }
.inv-steps { display: flex; justify-content: center; gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.inv-step {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 6px 16px; min-width: 90px; position: relative; flex-shrink: 0;
  opacity: .45; transition: opacity .2s;
}
.inv-step.active { opacity: 1; }
.inv-step-icon {
  width: 34px; height: 34px; border-radius: 50%; background: var(--inv-bg);
  border: 2px solid var(--inv-border); display: flex; align-items: center;
  justify-content: center; font-size: .85rem; color: var(--inv-muted);
  transition: .2s;
}
.inv-step.active .inv-step-icon { background: var(--inv-primary); border-color: var(--inv-primary); color: #fff; }
.inv-step span { font-size: .72rem; font-weight: 600; color: var(--inv-muted); white-space: nowrap; }
.inv-step.active span { color: var(--inv-primary); }

@media (max-width: 600px) {
  .inv-steps { gap: 0; justify-content: flex-start; padding: 0 8px; }
  .inv-step { padding: 6px 10px; min-width: 76px; }
  .inv-step-icon { width: 28px; height: 28px; font-size: .75rem; }
  .inv-step span { font-size: .65rem; }
}

/* ── Hero — must clear the fixed header on ALL screens ───────── */
.inv-hero { margin-top: 102px; }

@media (max-width: 768px) {
  .inv-hero { margin-top: 78px; padding: 36px 0 32px; }
  .inv-hero p { font-size: .93rem; }
  .inv-trust { gap: .4rem .9rem; font-size: .76rem; }
}
@media (max-width: 480px) {
  .inv-hero { margin-top: 70px; padding: 28px 0 24px; }
}

/* ── Top controls mobile ──────────────────────────────────── */
@media (max-width: 480px) {
  .inv-top-controls { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .inv-toggle-wrap { width: 100%; }
  .inv-currency-wrap { width: 100%; }
  .inv-select-sm { width: 100%; }
}

/* ── Action buttons mobile ────────────────────────────────── */
@media (max-width: 600px) {
  .inv-actions { flex-direction: column; gap: 8px; }
  .inv-btn { flex: none; width: 100%; font-size: .85rem; padding: 12px 16px; }
}

/* ── Preview panel mobile ─────────────────────────────────── */
@media (max-width: 1024px) {
  .inv-preview-sticky { position: static; top: auto; }
  .inv-preview-scroll { max-height: none; padding: 12px; }
}

@media (max-width: 600px) {
  .inv-preview-scroll { padding: 8px; border-radius: 8px; }
  .inv-doc { padding: 16px 14px; min-height: auto; }
  .inv-preview-doc { font-size: 10px; }

  /* Shrink logo in preview on small screens */
  .inv-doc-logo { min-width: 70px; min-height: 70px; padding: 5px; }
  .inv-doc-logo img { width: 70px !important; height: 70px !important; max-width: 70px !important; max-height: 70px !important; }

  /* Stack header on mobile */
  .inv-doc-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .inv-doc-title-block { text-align: left; }
  .inv-doc-title { font-size: 16px; }

  /* Stack parties */
  .inv-doc-parties { grid-template-columns: 1fr; gap: 10px; }

  /* Totals full-width */
  .inv-doc-totals { justify-content: flex-start; }
  .inv-doc-totals-inner { min-width: 100%; width: 100%; }

  /* Footer stack */
  .inv-doc-footer { flex-direction: column; gap: 12px; }
  .inv-doc-sig { min-width: auto; width: 100%; }
  .inv-doc-sig .sig-line { width: 100%; }
}

/* ── Items table mobile ───────────────────────────────────── */
@media (max-width: 600px) {
  /* Remove the 600px rule that was adding a broken 6-col grid */
  .inv-items-header, .inv-item-row {
    grid-template-columns: 3fr 1fr 1.2fr 1.4fr 28px;
    gap: 5px;
  }
  /* Hide discount column header and input */
  .ih-disc, .inv-item-disc { display: none; }
}

@media (max-width: 480px) {
  .inv-items-header {
    grid-template-columns: 2.2fr .85fr 1fr 1.3fr 26px;
    font-size: .64rem;
    gap: 4px;
  }
  .inv-item-row {
    grid-template-columns: 2.2fr .85fr 1fr 1.3fr 26px;
    gap: 4px;
  }
  .ih-disc, .inv-item-disc { display: none; }
  .inv-item-row input { font-size: .76rem; padding: 6px 5px; }
  /* Amount text — prevent overflow */
  .inv-item-row .item-total {
    font-size: .78rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 2px;
  }
  /* Delete button — keep it from shrinking */
  .inv-item-del { width: 24px; height: 24px; font-size: .7rem; flex-shrink: 0; }
}

/* ── Card padding mobile ──────────────────────────────────── */
@media (max-width: 480px) {
  .inv-card { padding: 16px 14px; }
  .inv-grid-2, .inv-grid-3 { grid-template-columns: 1fr; gap: 10px; }
}

/* ── SEO section mobile ───────────────────────────────────── */
@media (max-width: 600px) {
  .inv-seo-content { padding: 36px 0; }
  .inv-faq-card { padding: 16px; }
}

/* ── Tool section padding mobile ─────────────────────────── */
@media (max-width: 600px) {
  .inv-tool { padding: 20px 0 40px; }
}