/* ─────────────────────────────────────────────────────────────────────────
   BILLFLOW PREMIUM DESIGN SYSTEM & CSS VARIABLES
   ───────────────────────────────────────────────────────────────────────── */
:root {
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  
  /* Modern Premium Light Mode Palette */
  --bg-app: #f8fafc;
  --bg-surface: rgba(255, 255, 255, 0.85);
  --bg-surface-alt: #f1f5f9;
  --border-color: #e2e8f0;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-on-accent: #ffffff;
  
  --accent-primary: #6366f1; /* Royal Indigo */
  --accent-hover: #4f46e5;
  --accent-active: #4338ca;
  --accent-soft: rgba(99, 102, 241, 0.08);
  
  --color-success: #10b981; /* Emerald */
  --color-success-hover: #059669;
  --color-success-soft: rgba(16, 185, 129, 0.08);
  
  --color-danger: #ef4444; /* Crimson */
  --color-danger-hover: #dc2626;
  --color-danger-soft: rgba(239, 68, 68, 0.08);
  
  --color-warning: #f59e0b; /* Amber */
  --color-warning-hover: #d97706;
  --color-warning-soft: rgba(245, 158, 11, 0.08);
  
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --card-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition-speed: 0.2s;
}

[data-theme="dark"] {
  /* Obsidian Dark Mode Palette */
  --bg-app: #090d16;
  --bg-surface: rgba(15, 23, 42, 0.85);
  --bg-surface-alt: #1e293b;
  --border-color: #334155;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --accent-primary: #818cf8; /* Light Indigo */
  --accent-hover: #6366f1;
  --accent-active: #4f46e5;
  --accent-soft: rgba(129, 140, 248, 0.15);
  
  --color-success: #34d399;
  --color-success-hover: #10b981;
  --color-success-soft: rgba(52, 211, 153, 0.15);
  
  --color-danger: #f87171;
  --color-danger-hover: #ef4444;
  --color-danger-soft: rgba(248, 113, 113, 0.15);
  
  --color-warning: #fbbf24;
  --color-warning-hover: #f59e0b;
  --color-warning-soft: rgba(251, 191, 36, 0.15);
  
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --card-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* ─────────────────────────────────────────────────────────────────────────
   BASE RESETS & DEFAULTS
   ───────────────────────────────────────────────────────────────────────── */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 14px;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
}
a {
  color: var(--accent-primary);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
}

/* ─────────────────────────────────────────────────────────────────────────
   LAYOUT STRUCTURE
   ───────────────────────────────────────────────────────────────────────── */
.app-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Glassmorphic Header styling */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo {
  width: 28px;
  height: 28px;
}
.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ─────────────────────────────────────────────────────────────────────────
   NAVIGATION TABS BAR
   ───────────────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface-alt);
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow-x: auto;
}
.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-speed) ease-in-out;
  color: var(--text-muted);
}
.tab-btn svg {
  transition: stroke var(--transition-speed);
}
.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.5);
}
[data-theme="dark"] .tab-btn:hover {
  background: rgba(255, 255, 255, 0.05);
}
.tab-btn.active {
  color: var(--text-on-accent);
  background: var(--accent-primary);
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.25);
}
.tab-btn.active svg {
  stroke: var(--text-on-accent);
}
.font-danger {
  color: var(--color-danger);
}
.font-danger:hover {
  background: var(--color-danger-soft) !important;
  color: var(--color-danger) !important;
}

/* ─────────────────────────────────────────────────────────────────────────
   TABS PANEL STRUCTURE
   ───────────────────────────────────────────────────────────────────────── */
.tab-panel {
  display: none;
  animation: fadeIn 0.25s ease-out;
}
.tab-panel.active {
  display: block;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.panel-header h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.2px;
}
.panel-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ─────────────────────────────────────────────────────────────────────────
   GLOBAL CARDS & MODULES
   ───────────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
  margin-bottom: 20px;
}
.card-form {
  border-top: 4px solid var(--accent-primary);
}

/* ─────────────────────────────────────────────────────────────────────────
   INPUTS & FORM CONTROLS
   ───────────────────────────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-app);
  color: var(--text-main);
  font-size: 13.5px;
  transition: all var(--transition-speed);
}
.form-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
textarea.form-control {
  resize: vertical;
}
.form-select-sm {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-app);
  color: var(--text-main);
  font-size: 12px;
}
.doc-no-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
}
.doc-no-input {
  width: 80px;
  height: 32px;
  text-align: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-app);
  font-weight: 700;
  font-size: 13px;
}

/* Form layouts */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.grid-col-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.flex-row {
  display: flex;
}
.flex-justify-between {
  display: flex;
  justify-content: space-between;
}
.flex-justify-end {
  display: flex;
  justify-content: flex-end;
}
.flex-align-center {
  display: flex;
  align-items: center;
}
.align-center {
  align-items: center;
}
.input-inline {
  display: flex;
  align-items: center;
  gap: 12px;
}
.inline-label {
  width: 80px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
  text-align: right;
}

/* ─────────────────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-speed) ease-in-out;
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: var(--accent-primary);
  color: var(--text-on-accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
}
.btn-secondary {
  background: var(--bg-surface-alt);
  border-color: var(--border-color);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: var(--border-color);
}
.btn-success {
  background: var(--color-success);
  color: var(--text-on-accent);
}
.btn-success:hover {
  background: var(--color-success-hover);
}
.btn-danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: rgba(239, 68, 68, 0.1);
}
.btn-danger:hover {
  background: var(--color-danger);
  color: var(--text-on-accent);
}
.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* ─────────────────────────────────────────────────────────────────────────
   TABLES
   ───────────────────────────────────────────────────────────────────────── */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}
.items-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.items-table th {
  border-bottom: 2px solid var(--border-color);
  padding: 12px 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.items-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}
.items-input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-app);
  font-size: 13.5px;
}
.items-input:focus {
  border-color: var(--accent-primary);
}

.records-table {
  width: 100%;
  border-collapse: collapse;
}
.records-table th {
  background-color: var(--bg-surface-alt);
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1.5px solid var(--border-color);
  text-align: left;
}
.records-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 13.5px;
}
.records-table tbody tr {
  transition: background-color var(--transition-speed);
}
.records-table tbody tr:hover {
  background-color: rgba(99, 102, 241, 0.02);
}

/* ─────────────────────────────────────────────────────────────────────────
   DASHBOARD CARD METRICS
   ───────────────────────────────────────────────────────────────────────── */
.dashboard-card {
  padding: 20px;
  border-left: 4px solid var(--accent-primary);
}
.dashboard-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.metric-val {
  font-size: 26px;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-top: 4px;
}
.font-accent {
  color: var(--accent-primary);
}
.font-success {
  color: var(--color-success);
}
.font-semibold {
  font-weight: 600;
}
.font-bold {
  font-weight: 700;
}
.divider-top {
  border-top: 1px solid var(--border-color);
}
.text-xs { font-size: 11px; }
.text-sm { font-size: 13px; }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-accent { color: var(--accent-primary); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.hidden { display: none !important; }

/* ─────────────────────────────────────────────────────────────────────────
   CALCULATIONS & TOTALS SECTION
   ───────────────────────────────────────────────────────────────────────── */
.totals-section {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 24px;
  gap: 20px;
}
.autosave-label {
  font-size: 12px;
  font-style: italic;
  display: flex;
  align-items: center;
  gap: 6px;
}
.totals-input {
  width: 110px;
  padding: 4px 8px;
  text-align: right;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-app);
  font-weight: 600;
}

/* Inline action buttons */
.action-btn-group {
  display: flex;
  gap: 6px;
  justify-content: center;
}
.action-icon-btn {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  color: var(--text-main);
}
.action-icon-btn:hover {
  background: var(--accent-primary);
  color: white;
  transform: translateY(-1px);
}
.action-icon-btn.btn-danger-hover:hover {
  background: var(--color-danger);
}

/* ─────────────────────────────────────────────────────────────────────────
   PULSING CONNECTIVITY & SYNC INDICATORS
   ───────────────────────────────────────────────────────────────────────── */
.sync-status-container {
  display: flex;
  align-items: center;
  gap: 12px;
}
.connection-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 30px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
}
.connection-badge.online {
  background-color: var(--color-success-soft);
  color: var(--color-success);
}
.connection-badge.offline {
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
}
.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  position: relative;
}
.connection-badge.online .pulse-dot {
  animation: pulse-green 1.5s infinite;
}
.connection-badge.offline .pulse-dot {
  animation: pulse-red 1.5s infinite;
}

@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
@keyframes pulse-red {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.sync-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}
.spin {
  animation: rotation 1.5s infinite linear;
  display: inline-block;
}
@keyframes rotation {
  from { transform: rotate(0deg); }
  to { transform: rotate(359deg); }
}

/* Auto-complete suggestions list overlay */
.autocomplete-suggestions {
  position: absolute;
  z-index: 100;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  max-height: 180px;
  overflow-y: auto;
  box-shadow: var(--card-shadow-lg);
  list-style: none;
  width: auto;
  min-width: 250px;
  margin-top: 2px;
}
.autocomplete-suggestion {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
}
.autocomplete-suggestion:hover {
  background-color: var(--accent-soft);
}
.stock-warning-pill {
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
}
.stock-ok-pill {
  background-color: var(--color-success-soft);
  color: var(--color-success);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
}

/* ─────────────────────────────────────────────────────────────────────────
   MODALS / POPUPS
   ───────────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-out;
}
.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--card-shadow-lg);
  overflow: hidden;
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
}
.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-muted);
}
.modal-body {
  padding: 20px;
}
.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background-color: var(--bg-surface-alt);
}

/* Passcode Lock UI card configuration */
.lock-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0f172a;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.lock-card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 360px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
  color: white;
}
.lock-logo {
  margin: 0 auto 16px auto;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lock-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 8px;
}
.lock-desc {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 24px;
}
.logo-preview-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  object-fit: contain;
  background: white;
}

/* ─────────────────────────────────────────────────────────────────────────
   🖨️ INVOICE & REPORT PRINT STYLES
   ───────────────────────────────────────────────────────────────────────── */
#print-page-target {
  display: none;
}

@media print {
  @page {
    size: A4 portrait;
    margin: 0;
  }
  
  /* Hide standard components */
  .app-container, header, footer, .tab-bar, .tab-panel, .modal-overlay, button, input, select, textarea {
    display: none !important;
  }
  
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 9pt !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  
  #print-page-target {
    display: block !important;
    width: 100% !important;
  }
  
  .print-page {
    background: #ffffff !important;
    box-sizing: border-box !important;
    display: flex;
    flex-direction: column;
    position: relative;
    font-family: var(--font-family);
  }
  
  /* 📑 A5 Landscape layout (occupying top-half A4 sheet) */
  .print-invoice-a5 {
    width: 210mm !important;
    height: 148.5mm !important;
    padding: 8mm 12mm !important;
    overflow: hidden !important;
    font-size: 8.5pt !important;
    box-sizing: border-box !important;
  }
  .print-invoice-a5 .print-header {
    padding-bottom: 6px !important;
    margin-bottom: 10px !important;
    border-bottom: 1.5px solid #000000 !important;
  }
  .print-invoice-a5 .print-company-info img {
    max-height: 36px !important;
  }
  .print-invoice-a5 .print-doc-title {
    font-size: 18pt !important;
  }
  .print-invoice-a5 .print-doc-badge {
    font-size: 8pt !important;
    padding: 1px 8px !important;
    margin-top: 4px !important;
  }
  .print-invoice-a5 .print-meta-text {
    font-size: 8pt !important;
    margin-top: 6px !important;
  }
  .print-invoice-a5 .print-bill-to {
    padding-bottom: 6px !important;
    margin-bottom: 10px !important;
    border-bottom: 1px solid #000000 !important;
  }
  .print-invoice-a5 .print-section-lbl {
    font-size: 7pt !important;
    margin-bottom: 2px !important;
  }
  .print-invoice-a5 .print-bill-to-val {
    font-size: 9pt !important;
  }
  .print-invoice-a5 .print-table {
    margin-bottom: 8px !important;
  }
  .print-invoice-a5 .print-table th {
    padding: 4px 6px !important;
    font-size: 8pt !important;
    border-bottom: 1.5px solid #000000 !important;
  }
  .print-invoice-a5 .print-table td {
    padding: 5px 6px !important;
    font-size: 9pt !important;
  }
  .print-invoice-a5 .print-totals-box {
    padding-top: 6px !important;
    margin-top: auto !important;
  }
  .print-invoice-a5 .print-calc-block {
    width: 260px !important;
  }
  .print-invoice-a5 .print-calc-row {
    font-size: 8.5pt !important;
    margin-bottom: 2px !important;
  }
  .print-invoice-a5 .print-grand-row {
    font-size: 11pt !important;
    padding-top: 4px !important;
    margin-top: 4px !important;
    border-top: 1px solid #000000 !important;
  }
  .print-invoice-a5 .print-paid-stamp {
    font-size: 16pt !important;
    padding: 4px 12px !important;
    top: 90px !important;
    right: 30px !important;
    border-width: 2px !important;
  }
  .print-invoice-a5 .print-footer {
    margin-top: 10px !important;
    padding-top: 6px !important;
    font-size: 7.5pt !important;
    border-top: 1px solid #000000 !important;
  }
  
  /* 📑 Full A4 vertical layout for customer statements */
  .print-report-a4 {
    width: 100% !important;
    min-height: 100% !important;
    padding: 10mm 15mm !important;
    font-size: 9.5pt !important;
    box-sizing: border-box !important;
  }
  .print-report-a4 .print-table th {
    padding: 8px 6px !important;
    font-size: 8.5pt !important;
  }
  .print-report-a4 .print-table td {
    padding: 10px 8px !important;
    font-size: 9.5pt !important;
  }
  .print-report-a4 .print-footer {
    margin-top: 30px !important;
    font-size: 8pt !important;
  }
  
  /* Dynamic Printable Document Items styling */
  .print-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 2px solid #000000;
    padding-bottom: 12px;
    margin-bottom: 16px;
    gap: 16px;
  }
  .print-company-info {
    flex: 1;
    font-size: 9.5pt;
    line-height: 1.5;
    color: #000000;
  }
  .print-company-info img {
    max-height: 50px;
    object-fit: contain;
    display: block;
    margin-bottom: 6px;
  }
  .print-title-block {
    text-align: right;
    flex-shrink: 0;
    margin-top: 10px;
  }
  .print-doc-title {
    font-size: 24pt;
    font-weight: 800;
    color: #000000;
    letter-spacing: 1px;
    line-height: 1;
    text-transform: uppercase;
  }
  .print-doc-badge {
    display: inline-block;
    border: 1.5px solid #000000;
    font-size: 8.5pt;
    font-weight: 800;
    padding: 2px 10px;
    border-radius: 4px;
    margin-top: 6px;
  }
  .print-meta-text {
    font-size: 8.5pt;
    margin-top: 10px;
    line-height: 1.4;
  }
  .print-bill-to {
    border-bottom: 1.5px solid #000000;
    padding-bottom: 12px;
    margin-bottom: 16px;
    text-align: center;
  }
  .print-section-lbl {
    font-size: 7.5pt;
    font-weight: 800;
    color: #555555;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
    display: block;
  }
  .print-bill-to-val {
    font-size: 10pt;
    font-weight: 400;
    line-height: 1.5;
  }
  .print-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
  }
  .print-table th {
    background-color: transparent !important;
    border-bottom: 2px solid #000000 !important;
    color: #000000 !important;
    padding: 8px 6px !important;
    font-size: 8pt !important;
    font-weight: 800 !important;
  }
  .print-table td {
    padding: 10px 8px !important;
    border-bottom: 1px solid #dddddd !important;
    font-size: 9.5pt !important;
    color: #000000 !important;
  }
  .print-table tbody tr:last-child td {
    border-bottom: none !important;
  }
  .print-totals-box {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-top: 12px;
    margin-top: auto;
  }
  .print-words-block {
    flex: 1;
    padding-right: 20px;
  }
  .print-words-title {
    font-size: 7.5pt;
    font-weight: 800;
    text-transform: uppercase;
    color: #555555;
  }
  .print-words-val {
    font-size: 9.5pt;
    font-style: italic;
    margin-top: 2px;
  }
  .print-calc-block {
    width: 320px;
    text-align: right;
  }
  .print-calc-row {
    display: flex;
    justify-content: space-between;
    font-size: 9pt;
    margin-bottom: 4px;
  }
  .print-grand-row {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid #000000;
    padding-top: 6px;
    margin-top: 6px;
    font-weight: 900;
    font-size: 13pt;
  }
  .print-paid-stamp {
    position: absolute;
    right: 40px;
    top: 120px;
    border: 3px solid #059669;
    color: #059669;
    font-size: 20pt;
    font-weight: 900;
    padding: 6px 20px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transform: rotate(-10deg);
    z-index: 99;
  }
  .print-footer {
    border-top: 1.5px solid #000000;
    padding-top: 12px;
    text-align: center;
    margin-top: 30px;
    font-size: 8pt;
  }
  .print-footer b {
    display: block;
    margin-bottom: 2px;
  }
}

/* ─────────────────────────────────────────────────────────────────────────
   🖥️ DISPLAY SCALING AND RESPONSIVENESS
   ───────────────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .tab-bar {
    justify-content: flex-start;
  }
}
@media (max-width: 768px) {
  .app-container {
    padding: 12px;
  }
  .card {
    padding: 16px;
  }
  .form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}
@media (max-width: 576px) {
  body {
    font-size: 13px;
  }
  .app-container {
    padding: 8px;
  }
  .card {
    padding: 12px;
  }
  .panel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .panel-header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .totals-section {
    flex-direction: column;
    align-items: flex-end;
  }
  .btn {
    padding: 8px 14px;
    font-size: 12px;
  }
}

/* ─────────────────────────────────────────────────────────────────────────
   FACTORY EDITION CUSTOM STYLING (DIMENSIONAL ROWS, COMPONENT OPTIONS)
   ───────────────────────────────────────────────────────────────────────── */
.row-item-dims {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  background-color: var(--bg-surface-alt);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}
.row-item-dims span {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
}
.dim-input {
  width: 54px !important;
  height: 24px !important;
  padding: 2px 4px !important;
  font-size: 11px !important;
  text-align: center;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-app);
}

.row-comp-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
  background-color: var(--bg-surface-alt);
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 320px;
}
.row-comp-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.row-comp-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}
.row-comp-select {
  width: 180px;
  height: 24px;
  padding: 2px 6px;
  font-size: 11px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background: var(--bg-app);
  color: var(--text-main);
}