@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;600;700&display=swap');

:root {
  /* Clean & Light Theme (Default) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-focus: #2563eb;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-subtle: #eff6ff;
  --accent-glow: rgba(37, 99, 235, 0.15);
  --success: #059669;
  --success-hover: #047857;
  --success-subtle: #ecfdf5;
  --success-glow: rgba(5, 150, 105, 0.15);
  --warning: #d97706;
  --danger: #dc2626;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-sticker: 0 12px 30px rgba(15, 23, 42, 0.12), 0 1px 3px rgba(15, 23, 42, 0.08);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Physical Label Dimensions */
  --label-w-mm: 50mm;
  --label-h-mm: 25mm;
  --zoom-factor: 2.2;
}

/* Optional Dark Theme if toggled */
body.dark-theme {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #182234;
  --bg-card-hover: #1f2d42;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-focus: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-subtle: rgba(59, 130, 246, 0.15);
  --accent-glow: rgba(59, 130, 246, 0.3);
  --success: #10b981;
  --success-hover: #059669;
  --success-subtle: rgba(16, 185, 129, 0.15);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
  --shadow-sticker: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.2s ease, color 0.2s ease;
  -webkit-font-smoothing: antialiased;
}

/* App Header */
.app-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.03);
}

.header-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 3px 10px var(--accent-glow);
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.brand-badge {
  font-size: 0.75rem;
  background: var(--accent-subtle);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.2);
  font-weight: 600;
  letter-spacing: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 2px 6px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px var(--accent-glow);
}

.btn-pdf {
  background: var(--success);
  color: #ffffff;
  box-shadow: 0 2px 6px var(--success-glow);
}

.btn-pdf:hover {
  background: var(--success-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px var(--success-glow);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: #cbd5e1;
}

.btn-sm {
  padding: 5px 11px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  padding: 7px 10px;
  font-size: 0.95rem;
}

/* Main Layout */
.app-main {
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 24px 60px;
  display: grid;
  grid-template-columns: 390px 1fr;
  gap: 24px;
  flex: 1;
}

@media (max-width: 1100px) {
  .app-main {
    grid-template-columns: 1fr;
  }
}

/* Sidebar & Controls */
.controls-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: #cbd5e1;
}

body.dark-theme .card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.card-title span {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Upload Dropzone */
.dropzone {
  border: 2px dashed #93c5fd;
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

body.dark-theme .dropzone {
  background: rgba(59, 130, 246, 0.05);
  border-color: rgba(59, 130, 246, 0.4);
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-subtle);
  transform: scale(1.005);
}

.dropzone-icon {
  font-size: 32px;
  color: var(--accent);
}

.dropzone-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dropzone-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Layout Presets Grid */
.layout-presets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.preset-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}

.preset-btn:hover {
  border-color: #93c5fd;
  background: var(--accent-subtle);
}

.preset-btn.active {
  border-color: var(--accent);
  background: var(--accent-subtle);
  box-shadow: 0 0 0 1px var(--accent);
}

.preset-thumbnail {
  width: 100%;
  height: 48px;
  background: #ffffff;
  border-radius: 4px;
  border: 1px solid #cbd5e1;
  padding: 4px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.preset-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.preset-btn.active .preset-name {
  color: var(--accent);
  font-weight: 700;
}

/* Control Groups */
.form-group {
  margin-bottom: 12px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-label span.value-badge {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  padding: 2px 7px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-primary);
  font-weight: 600;
}

body.dark-theme .form-label span.value-badge {
  background: rgba(255, 255, 255, 0.08);
  border-color: transparent;
}

.form-input, .form-select {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

body.dark-theme .form-input, body.dark-theme .form-select {
  background: rgba(0, 0, 0, 0.25);
  border-color: var(--border-color);
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-range {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
  height: 6px;
  border-radius: 3px;
}

.switch-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
}

.switch-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Right Content Area */
.content-area {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Interactive Preview Box */
.preview-card {
  position: relative;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.preview-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.zoom-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 9px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.zoom-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.zoom-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

/* Clean Drafting Stage for 50x25mm Label */
.preview-stage {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 230px;
  position: relative;
  overflow: auto;
}

body.dark-theme .preview-stage {
  background: #0f172a;
}

.preview-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(#e2e8f0 1px, transparent 1px),
    linear-gradient(90deg, #e2e8f0 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  opacity: 0.7;
}

body.dark-theme .preview-stage::before {
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

/* Millimeter Ruler Badges */
.ruler-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2px 10px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

/* 50x25mm Label Physical Container */
.label-sticker-wrapper {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center center;
  z-index: 2;
}

/* The actual 50mm x 25mm label element */
.label-sticker {
  width: var(--label-w-mm);
  height: var(--label-h-mm);
  background: #ffffff;
  color: #000000;
  border-radius: 2mm; /* Typical die-cut rounded corner on thermal labels */
  box-shadow: var(--shadow-sticker);
  border: 0.5px solid rgba(0, 0, 0, 0.12);
  padding: 1.5mm 2mm;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  user-select: none;
}

/* Safe Print Margin border (dashed line visible on screen preview only) */
.label-sticker.show-safe-zone::after {
  content: "";
  position: absolute;
  top: 1mm;
  left: 1mm;
  right: 1mm;
  bottom: 1mm;
  border: 1px dashed rgba(239, 68, 68, 0.6);
  pointer-events: none;
  border-radius: 1mm;
}

/* Layout Variations on Label */

/* LAYOUT 1: Code Top, QR Left + Logo Right, Title Bottom */
.label-layout-1 {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.label-layout-1 .top-row {
  text-align: center;
  font-weight: 800;
  font-size: 7.5pt;
  line-height: 1.1;
  letter-spacing: -0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-bottom: 0.5mm;
}

.label-layout-1 .middle-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex: 1;
}

.label-layout-1 .bottom-row {
  text-align: center;
  font-size: 6.5pt;
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-top: 0.5mm;
}

/* LAYOUT 2: Code Top, Title Sub-top, QR Left + Logo Right Bottom */
.label-layout-2 {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.label-layout-2 .header-section {
  text-align: center;
}

.label-layout-2 .asset-code {
  font-size: 7.5pt;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.label-layout-2 .asset-title {
  font-size: 6.2pt;
  font-weight: 600;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.3mm;
}

.label-layout-2 .qr-logo-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex: 1;
  padding-top: 0.5mm;
}

/* LAYOUT 3: QR Left, Code & Name Center, Logo Right */
.label-layout-3 {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5mm;
}

.label-layout-3 .center-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.label-layout-3 .center-details .asset-code {
  font-size: 7pt;
  font-weight: 800;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.label-layout-3 .center-details .asset-title {
  font-size: 6.2pt;
  font-weight: 600;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  margin-top: 0.8mm;
}

/* LAYOUT 4: QR Left, Code + Title Stacked on Right, Logo Top-Right */
.label-layout-4 {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 2mm;
}

.label-layout-4 .right-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  overflow: hidden;
}

.label-layout-4 .top-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1mm;
}

.label-layout-4 .asset-code {
  font-size: 7pt;
  font-weight: 800;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 25mm;
}

.label-layout-4 .asset-title {
  font-size: 6.2pt;
  font-weight: 600;
  line-height: 1.15;
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Common Label Component Styles */
.label-qr-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.label-qr-wrapper canvas, .label-qr-wrapper img {
  display: block;
  image-rendering: pixelated;
}

.label-logo-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.label-logo-wrapper img, .label-logo-wrapper svg {
  display: block;
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  image-rendering: crisp-edges;
}

/* Table Card / Queue Area */
.data-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.search-input-wrap {
  position: relative;
  min-width: 260px;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.search-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  padding: 8px 12px 8px 32px;
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

body.dark-theme .search-input {
  background: rgba(0, 0, 0, 0.25);
  border-color: var(--border-color);
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.table-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-height: 520px;
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  background: #f8fafc;
  padding: 11px 14px;
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.8rem;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

body.dark-theme .data-table th {
  background: #111827;
}

.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: #f8fafc;
}

body.dark-theme .data-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.data-table tr.active-row td {
  background: var(--accent-subtle);
}

.code-cell {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
}

.url-cell {
  color: var(--text-muted);
  font-size: 0.75rem;
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Empty State */
.empty-state {
  padding: 48px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 40px;
  color: var(--text-muted);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover {
  color: var(--text-primary);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  pointer-events: auto;
  animation: slideInRight 0.3s ease;
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-danger { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--warning); }

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* PRINT ENGINE: 50mm x 25mm THERMAL LABEL FORMATTING */
#print-container {
  display: none;
}

@media print {
  @page {
    size: 50mm 25mm;
    margin: 0mm !important;
  }
  
  html, body {
    margin: 0 !important;
    padding: 0 !important;
    background: #ffffff !important;
    color: #000000 !important;
    width: 50mm !important;
    height: 25mm !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  
  /* Hide all UI elements */
  .app-header, 
  .controls-sidebar, 
  .preview-card, 
  .data-card, 
  .modal-backdrop, 
  .toast-container {
    display: none !important;
  }

  /* Show only print container */
  #print-container {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .print-label-page {
    width: 50mm !important;
    height: 25mm !important;
    max-width: 50mm !important;
    max-height: 25mm !important;
    box-sizing: border-box !important;
    page-break-after: always !important;
    break-after: page !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    overflow: hidden !important;
    background: #ffffff !important;
    color: #000000 !important;
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
  }

  /* Ensure thermal printers get pitch black crisp elements */
  .print-label-page canvas, 
  .print-label-page img, 
  .print-label-page svg {
    filter: contrast(200%) !important;
    image-rendering: pixelated !important;
    -ms-interpolation-mode: nearest-neighbor !important;
  }
}