/* =========================================
   INVOICE GENERATOR — style.css
   Matches wire-size-calculator design system:
   white cards, #061d33 text, #ff9901 accent
   DM Sans + Playfair Display + IBM Plex Mono
   ========================================= */

:root {
  --primary:       #ff9901;
  --primary-hover: #e68a00;
  --primary-light: #fff7e6;
  --primary-border: rgba(255,153,1,0.3);
  --dark:          #061d33;
  --mid:           #4a5568;
  --muted:         #9ca3af;
  --border:        #e2e8f0;
  --bg:            #f7f8fa;
  --white:         #ffffff;
  --radius:        10px;
  --radius-sm:     6px;
  --shadow:        0 4px 10px rgba(0,0,0,0.1);
  --font-body:     'DM Sans', sans-serif;
  --font-display:  'Playfair Display', serif;
  --font-mono:     'IBM Plex Mono', monospace;
}

/* ---- APP WRAPPER ---- */
.invoice-generator-app {
  margin-bottom: 40px;
  width: 100%;
}

/* Override app-container for two-column layout */
.invoice-generator-app .app-container {
  max-width: 1100px;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 0;
  padding: 0;
  overflow: hidden;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: left;
  margin: auto;
}

/* ---- PANELS ---- */
.ig-panel {
  min-height: 600px;
}

.ig-form-panel {
  background: var(--white);
  border-right: 1px solid var(--border);
  padding: 28px 24px;
  overflow-y: auto;
}

.ig-preview-panel {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ig-preview-toolbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
}

/* ---- PANEL LABEL ---- */
.ig-preview-label {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--white);
}

.ig-panel-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

/* ---- TEMPLATE PICKER ---- */
.ig-template-picker {
  margin-bottom: 4px;
}

.ig-template-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.ig-tpl-btn {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--white);
  color: var(--mid);
  cursor: pointer;
  transition: all 0.2s ease;
}

.ig-tpl-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.ig-tpl-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ---- DIVIDER ---- */
.ig-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

/* ---- FIELDSETS ---- */
.ig-fieldset {
  margin-bottom: 4px;
}

.ig-fieldset-title {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}

/* ---- FIELDS ---- */
.ig-field {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
}

.ig-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.ig-field label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 5px;
  cursor: pointer;
}

.ig-field input,
.ig-field textarea,
.ig-field select {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--dark);
  background: var(--white);
  border: 1.8px solid #ccc;
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  outline: none;
  resize: vertical;
}

.ig-field input:focus,
.ig-field textarea:focus,
.ig-field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 6px 2px rgba(255,153,1,0.25);
}

.ig-field select {
  appearance: none;
  background-image: url('data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2216%22 height=%2216%22 viewBox=%220 0 16 16%22%3E%3Cpath fill=%22555555%22 d=%22M1 4h14l-7 7-7-7z%22/%3E%3C/svg%3E');
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
  cursor: pointer;
}

/* ---- LINE ITEMS ---- */
.ig-items-header {
  display: grid;
  grid-template-columns: 1fr 56px 80px 80px 28px;
  gap: 6px;
  padding: 0 4px 6px;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 8px;
}

.ig-items-header span {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ig-col-qty, .ig-col-rate, .ig-col-amt { text-align: right; }

.ig-line-item {
  display: grid;
  grid-template-columns: 1fr 56px 80px 80px 28px;
  gap: 6px;
  align-items: center;
  margin-bottom: 6px;
}

.ig-line-item input {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--dark);
  background: var(--white);
  border: 1.5px solid #ccc;
  border-radius: var(--radius-sm);
  padding: 7px 8px;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.ig-line-item input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(255,153,1,0.2);
}

.ig-line-item input[type="number"] {
  text-align: right;
}

.ig-item-amount {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--dark);
  text-align: right;
  padding-right: 4px;
  white-space: nowrap;
}

.ig-remove-item {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 4px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  line-height: 1;
  text-align: center;
}

.ig-remove-item:hover {
  color: #ef4444;
  background: rgba(239,68,68,0.1);
}

.ig-add-item-btn {
  width: 100%;
  margin-top: 6px;
  background: transparent;
  border: 1.5px dashed #ccc;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.ig-add-item-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* ---- FORM ACTIONS ---- */
.ig-form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 8px;
  flex-wrap: wrap;
}

.ig-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1.8px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}

.ig-btn-ghost {
  background: transparent;
  border-color: #ccc;
  color: var(--mid);
}

.ig-btn-ghost:hover {
  border-color: var(--dark);
  color: var(--dark);
}

.ig-btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-size: 14px;
  padding: 10px 22px;
}

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

/* ============================================
   INVOICE PREVIEW
   ============================================ */

.ig-preview-wrap {
  padding: 24px 20px;
  flex: 1;
  overflow-y: auto;
}

.ig-invoice {
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 40px;
  font-family: var(--font-body);
  color: var(--dark);
  font-size: 13px;
  line-height: 1.5;
  min-height: 500px;
}

/* ---- INVOICE HEADER ---- */
.inv-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}

.inv-from-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.inv-from-details {
  font-size: 12px;
  color: var(--mid);
  white-space: pre-line;
  line-height: 1.6;
}

.inv-title-block {
  text-align: right;
}

.inv-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1;
  margin-bottom: 8px;
}

.inv-number {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mid);
}

/* ---- BILL TO / DATES ---- */
.inv-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
  padding: 20px;
  border-radius: var(--radius-sm);
}

.inv-meta-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.inv-meta-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  white-space: pre-line;
  line-height: 1.5;
}

.inv-meta-sub {
  font-size: 12px;
  color: var(--mid);
}

/* ---- LINE ITEMS TABLE ---- */
.inv-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.inv-table th {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 8px 10px;
  border-bottom: 2px solid var(--border);
}

.inv-table th:first-child { text-align: left; }
.inv-table th:not(:first-child) { text-align: right; }

.inv-table td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: top;
}

.inv-table td:first-child { text-align: left; }
.inv-table td:not(:first-child) {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ---- TOTALS ---- */
.inv-totals {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  margin-bottom: 32px;
}

.inv-total-row {
  display: flex;
  gap: 32px;
  font-size: 13px;
}

.inv-total-row .inv-total-label {
  color: var(--mid);
  min-width: 80px;
  text-align: right;
}

.inv-total-row .inv-total-val {
  font-family: var(--font-mono);
  font-size: 13px;
  min-width: 80px;
  text-align: right;
  color: var(--dark);
}

.inv-total-row.inv-grand-total {
  border-top: 2px solid var(--dark);
  padding-top: 8px;
  margin-top: 4px;
}

.inv-total-row.inv-grand-total .inv-total-label {
  font-weight: 700;
  color: var(--dark);
  font-size: 14px;
}

.inv-total-row.inv-grand-total .inv-total-val {
  font-weight: 700;
  font-size: 15px;
}

/* ---- NOTES ---- */
.inv-notes {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  font-size: 12px;
  color: var(--mid);
  line-height: 1.6;
  white-space: pre-line;
}

.inv-notes-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

/* ============================================
   TEMPLATE VARIANTS
   ============================================ */

/* -- CLEAN (default) -- */
.tpl-clean .inv-title { color: var(--primary); }
.tpl-clean .inv-meta { background: var(--primary-light); }
.tpl-clean .inv-meta-label { color: var(--primary-hover); }
.tpl-clean .inv-table th { color: var(--primary-hover); }
.tpl-clean .inv-total-row.inv-grand-total .inv-total-val { color: var(--primary); }

/* -- BOLD -- */
.tpl-bold .inv-header {
  background: var(--dark);
  color: #fff;
  margin: -40px -40px 32px;
  padding: 32px 40px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.tpl-bold .inv-from-name { color: #fff; }
.tpl-bold .inv-from-details { color: rgba(255,255,255,0.6); }
.tpl-bold .inv-title { color: var(--primary); }
.tpl-bold .inv-number { color: rgba(255,255,255,0.5); }
.tpl-bold .inv-meta { background: #f1f5f9; }
.tpl-bold .inv-meta-label { color: var(--dark); }
.tpl-bold .inv-table th { color: var(--dark); background: #f1f5f9; }
.tpl-bold .inv-total-row.inv-grand-total .inv-total-val { color: var(--dark); }
.tpl-bold .inv-total-row.inv-grand-total { border-color: var(--primary); }

/* -- MINIMAL -- */
.tpl-minimal .inv-title {
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--dark);
}
.tpl-minimal .inv-meta { background: none; padding: 0; }
.tpl-minimal .inv-meta-label { color: var(--muted); }
.tpl-minimal .inv-table th {
  color: var(--muted);
  border-bottom-color: var(--dark);
  border-bottom-width: 1px;
}
.tpl-minimal .inv-table td { border-bottom-color: #f0f0f0; }
.tpl-minimal .inv-total-row.inv-grand-total { border-color: var(--dark); }

/* -- CLASSIC -- */
.tpl-classic {
  font-family: 'Georgia', serif;
}
.tpl-classic .inv-from-name {
  font-family: var(--font-display);
  font-size: 20px;
}
.tpl-classic .inv-title {
  font-family: var(--font-display);
  color: var(--dark);
  font-size: 32px;
}
.tpl-classic .inv-meta {
  background: none;
  border: 1px solid var(--border);
  padding: 16px 20px;
}
.tpl-classic .inv-meta-label { color: var(--mid); }
.tpl-classic .inv-table th {
  background: var(--dark);
  color: #fff;
  padding: 10px;
}
.tpl-classic .inv-total-row.inv-grand-total {
  border-top: 2px solid var(--dark);
}
.tpl-classic .inv-total-row.inv-grand-total .inv-total-val {
  color: var(--dark);
}

/* ---- ACCORDION TOOLBAR SECTIONS ---- */
.ig-accordion .ig-accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 0;
  user-select: none;
}

.ig-accordion-header[aria-expanded="true"] {
  margin-bottom: 12px;
}

.ig-accordion-header .ig-panel-label {
  margin-bottom: 0;
  display: inline;
}

.ig-accordion-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ig-accordion-chevron {
  color: var(--muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.ig-accordion-header[aria-expanded="false"] .ig-accordion-chevron {
  transform: rotate(-90deg);
}

.ig-accordion-body {
  overflow: hidden;
  transition: max-height 0.25s ease, opacity 0.2s ease;
  max-height: 400px;
  padding: 15px 0px;
  opacity: 1;
}

.ig-accordion-body.ig-collapsed {
  max-height: 0;
  opacity: 0;
}
.ig-preview-label {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* panel label inside accordion header — no bottom margin, inline */
.ig-accordion-header .ig-panel-label {
  margin-bottom: 0;
  display: inline;
}

.ig-panel-label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.ig-toolbar-section {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.ig-toolbar-section:last-child {
  border-bottom: none;
}

/* ---- LOGO (form panel) ---- */
.ig-field-optional {
  font-size: 10px;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 4px;
}

.ig-logo-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  min-height: 40px;
}

#logoThumb {
  height: 40px;
  max-width: 120px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 3px 6px;
  background: var(--bg);
}

.ig-logo-upload-btn {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border: 1.5px dashed #ccc;
  background: transparent;
  color: var(--mid);
  cursor: pointer;
  transition: all 0.2s ease;
}

.ig-logo-upload-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  border-style: solid;
}

.ig-logo-remove-btn {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 9px;
  border-radius: var(--radius-sm);
  border: 1.5px solid #fca5a5;
  background: transparent;
  color: #ef4444;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ig-logo-remove-btn:hover {
  background: #fef2f2;
}

/* ---- COLOR CONTROLS (preview toolbar) ---- */
.ig-color-toolbar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.ig-color-toolbar-header .ig-panel-label {
  margin-bottom: 0;
}

.ig-reset-colors-btn {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.ig-reset-colors-btn:hover {
  border-color: var(--mid);
  color: var(--mid);
}

.ig-color-controls {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.ig-color-swatch-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
}

.ig-color-swatch-btn span {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}


/* Visible swatch div only — no input inside */
.ig-color-swatch-well {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 0 1.5px var(--border), 0 2px 6px rgba(0,0,0,0.08);
  transition: box-shadow 0.2s ease;
  flex-shrink: 0;
  cursor: pointer;
}

.ig-color-swatch-btn:hover .ig-color-swatch-well {
  box-shadow: 0 0 0 2px var(--primary), 0 2px 8px rgba(0,0,0,0.12);
}

.ig-color-swatch-well input[type="color"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  border: none;
  padding: 0;
  margin: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* ---- FONT SIZE CONTROLS ---- */
.ig-font-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ig-font-row {
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  gap: 10px;
}

.ig-font-row label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: var(--mid);
}

.ig-font-slider-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ig-font-slider-wrap input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

.ig-font-slider-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  transition: box-shadow 0.15s;
}

.ig-font-slider-wrap input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 3px rgba(255,153,1,0.25);
}

.ig-font-val {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  min-width: 30px;
  text-align: right;
}


/* ---- INVOICE LOGO ---- */
.inv-logo {
  max-height: 56px;
  max-width: 160px;
  object-fit: contain;
  margin-bottom: 10px;
  display: block;
}

/* ---- TOAST ---- */
.ig-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--dark);
  color: #fff;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 40px;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  z-index: 999;
  white-space: nowrap;
}

.ig-toast.ig-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---- PRINT STYLES ---- */
@media print {
  @page {
    margin: 0;
    size: A4;
  }

  /* Nuke the page/site background */
  html, body {
    background: #fff !important;
    background-color: #fff !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  /* Hide everything */
  body.ig-printing > * {
    display: none !important;
  }

  /* Show invoice — no card chrome */
  body.ig-printing #invoicePreview {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    margin: 0 !important;
    padding: 16mm 18mm !important;
    box-sizing: border-box !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    background: #fff !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  body.ig-printing #invoicePreview * {
    visibility: visible !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  body.ig-printing .inv-table,
  body.ig-printing .inv-totals,
  body.ig-printing .inv-notes {
    page-break-inside: avoid;
  }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 860px) {
  .invoice-generator-app .app-container {
    grid-template-columns: 1fr;
    max-width: 500px;
	margin: auto;
  }

  .ig-form-panel {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .ig-preview-wrap {
    padding: 16px 12px;
  }

  .ig-invoice {
    padding: 24px 20px;
  }
}

@media (max-width: 520px) {
  .ig-field-row {
    grid-template-columns: 1fr;
  }

  .ig-items-header {
    grid-template-columns: 1fr 44px 66px 66px 24px;
  }

  .ig-line-item {
    grid-template-columns: 1fr 44px 66px 66px 24px;
  }

  .ig-form-actions {
    flex-direction: column;
  }

  .ig-btn {
    width: 100%;
    text-align: center;
  }

  .inv-header {
    flex-direction: column;
    gap: 16px;
  }

  .inv-title-block { text-align: left; }
  .inv-meta { grid-template-columns: 1fr; gap: 12px; }
}