/* ----------------------------------------------------------------
   Free GST Invoice Generator - Modern Uttercode Design System
   Privacy-First, Auto-Scaling A4 Preview, Workspace View Modes
-----------------------------------------------------------------*/

:root {
  --inv-primary: #2563eb;
  --inv-primary-dark: #1d4ed8;
  --inv-primary-light: #eff6ff;
  --inv-primary-glow: rgba(37, 99, 235, 0.18);

  --inv-indigo: #4f46e5;
  --inv-indigo-dark: #4338ca;
  --inv-indigo-light: #eef2ff;

  --inv-teal: #0891b2;
  --inv-teal-light: #ecfeff;

  --inv-success: #10b981;
  --inv-success-dark: #059669;
  --inv-success-light: #ecfdf5;

  --inv-warning: #f59e0b;
  --inv-warning-light: #fffbeb;

  --inv-danger: #ef4444;
  --inv-danger-light: #fef2f2;

  --inv-gray-50: #f8fafc;
  --inv-gray-100: #f1f5f9;
  --inv-gray-200: #e2e8f0;
  --inv-gray-300: #cbd5e1;
  --inv-gray-400: #94a3b8;
  --inv-gray-500: #64748b;
  --inv-gray-600: #475569;
  --inv-gray-700: #334155;
  --inv-gray-800: #1e293b;
  --inv-gray-900: #0f172a;

  --inv-radius-sm: 8px;
  --inv-radius-md: 12px;
  --inv-radius-lg: 16px;
  --inv-radius-xl: 20px;

  --inv-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --inv-shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.06);
  --inv-shadow-md: 0 6px 18px rgba(0, 0, 0, 0.08);
  --inv-shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
  --inv-shadow-paper:
    0 10px 35px -5px rgba(15, 23, 42, 0.15), 0 0 0 1px rgba(15, 23, 42, 0.05);

  --inv-transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);

  /* Invoice Theme Accent - Default Blue */
  --theme-accent: #2563eb;
  --theme-header-bg: #1e293b;
  --theme-header-color: #ffffff;
  --theme-badge-bg: #eff6ff;
  --theme-badge-color: #2563eb;
}

/* Tool Container */
.inv-tool-container {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 20px;
}

/* -------------------------------------------------------------
   1. PRIVACY BANNER
   ------------------------------------------------------------- */
.privacy-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-radius: var(--inv-radius-lg);
  padding: 1.1rem 1.75rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--inv-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.privacy-banner::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(
    circle,
    rgba(56, 189, 248, 0.12) 0%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
}

.privacy-banner-left {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex: 1;
  min-width: 280px;
  position: relative;
  z-index: 1;
}

.privacy-icon {
  font-size: 1.65rem;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.privacy-title {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.privacy-desc {
  font-size: 0.83rem;
  color: #94a3b8;
  margin: 0;
  line-height: 1.45;
}

.privacy-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.45rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}

/* -------------------------------------------------------------
   2. MAIN TABS
   ------------------------------------------------------------- */
.tool-tabs {
  display: flex;
  gap: 0.4rem;
  background: var(--inv-gray-100);
  padding: 0.35rem;
  border-radius: var(--inv-radius-md);
  margin-bottom: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--inv-gray-200);
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border: none;
  background: transparent;
  color: var(--inv-gray-600);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--inv-radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--inv-transition);
}

.tab-btn:hover {
  color: var(--inv-gray-900);
  background: rgba(255, 255, 255, 0.6);
}

.tab-btn.active {
  background: #ffffff;
  color: var(--inv-primary);
  box-shadow: var(--inv-shadow-xs);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* -------------------------------------------------------------
   3. WORKSPACE CONTROL HEADER (VIEW MODES & THEMES)
   ------------------------------------------------------------- */
.inv-workspace-header {
  background: #ffffff;
  border: 1px solid var(--inv-gray-200);
  border-radius: var(--inv-radius-md);
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  box-shadow: var(--inv-shadow-xs);
}

.inv-mode-switch {
  display: inline-flex;
  background: var(--inv-gray-100);
  padding: 0.25rem;
  border-radius: var(--inv-radius-sm);
  border: 1px solid var(--inv-gray-200);
  gap: 0.2rem;
}

.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border: none;
  background: transparent;
  color: var(--inv-gray-600);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--inv-transition);
  white-space: nowrap;
}

.mode-btn:hover {
  color: var(--inv-gray-900);
}

.mode-btn.active {
  background: #ffffff;
  color: var(--inv-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.inv-theme-selector {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.theme-pills {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.theme-pill {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--theme-color);
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px var(--inv-gray-300);
  cursor: pointer;
  padding: 0;
  transition: var(--inv-transition);
}

.theme-pill:hover {
  transform: scale(1.15);
}

.theme-pill.active {
  transform: scale(1.2);
  box-shadow:
    0 0 0 2px #ffffff,
    0 0 0 4px var(--theme-color);
}

/* -------------------------------------------------------------
   4. WORKSPACE LAYOUT & MODES
   ------------------------------------------------------------- */
.inv-workspace {
  transition: var(--inv-transition);
  padding-bottom: 75px;
}

.inv-grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

/* Mode 1: Split View (Side-by-Side) */
.inv-workspace.mode-split .inv-grid {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

.inv-workspace.mode-split #invoice_editor_col {
  display: block;
}

.inv-workspace.mode-split #invoice_preview_col {
  display: block;
}

/* Mode 2: Editor Focus (Full Width) */
.inv-workspace.mode-editor .inv-grid {
  grid-template-columns: 1fr;
}

.inv-workspace.mode-editor #invoice_editor_col {
  display: block;
  max-width: 1080px;
  margin: 0 auto;
  width: 100%;
}

.inv-workspace.mode-editor #invoice_preview_col {
  display: none !important;
}

/* Mode 3: Preview Focus (A4 Document Focus) */
.inv-workspace.mode-preview .inv-grid {
  grid-template-columns: 1fr;
}

.inv-workspace.mode-preview #invoice_editor_col {
  display: none !important;
}

.inv-workspace.mode-preview #invoice_preview_col {
  display: block;
  max-width: 860px;
  margin: 0 auto;
  width: 100%;
}

@media (max-width: 1180px) {
  .inv-workspace.mode-split .inv-grid {
    grid-template-columns: 1fr;
  }
}

/* -------------------------------------------------------------
   5. FORM EDITOR CARDS & STYLING
   ------------------------------------------------------------- */
.inv-form-card {
  background: #ffffff;
  border: 1px solid var(--inv-gray-200);
  border-radius: var(--inv-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--inv-shadow-xs);
  margin-bottom: 1.25rem;
  transition: var(--inv-transition);
}

.inv-form-card:hover {
  box-shadow: var(--inv-shadow-sm);
  border-color: var(--inv-gray-300);
}

.inv-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--inv-gray-100);
}

.inv-section-title-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--inv-gray-900);
}

.inv-icon-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--inv-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
}

.badge-blue {
  background: var(--inv-primary-light);
  color: var(--inv-primary);
}
.badge-indigo {
  background: var(--inv-indigo-light);
  color: var(--inv-indigo);
}
.badge-teal {
  background: var(--inv-teal-light);
  color: var(--inv-teal);
}
.badge-emerald {
  background: var(--inv-success-light);
  color: var(--inv-success-dark);
}
.badge-violet {
  background: #f5f3ff;
  color: #7c3aed;
}
.badge-amber {
  background: var(--inv-warning-light);
  color: #d97706;
}

/* Input Groups */
.inv-form-group {
  margin-bottom: 1rem;
}

.inv-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--inv-gray-700);
  margin-bottom: 0.35rem;
}

.inv-input,
.inv-select,
.inv-textarea {
  width: 100%;
  padding: 0.55rem 0.85rem;
  font-size: 0.875rem;
  color: var(--inv-gray-900);
  border: 1.5px solid var(--inv-gray-200);
  border-radius: var(--inv-radius-sm);
  background: #ffffff;
  transition: var(--inv-transition);
  font-family: inherit;
}

.inv-input:focus,
.inv-select:focus,
.inv-textarea:focus {
  outline: none;
  border-color: var(--inv-primary);
  box-shadow: 0 0 0 3px var(--inv-primary-glow);
}

.inv-input::placeholder,
.inv-textarea::placeholder {
  color: var(--inv-gray-400);
}

.inv-textarea {
  min-height: 70px;
  resize: vertical;
  line-height: 1.45;
}

.inv-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.inv-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.85rem;
}

@media (max-width: 640px) {
  .inv-row,
  .inv-row-3 {
    grid-template-columns: 1fr;
  }
}

/* -------------------------------------------------------------
   6. PRODUCTS / SERVICES TABLE (EDITOR)
   ------------------------------------------------------------- */
.items-table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--inv-gray-200);
  border-radius: var(--inv-radius-sm);
  background: #ffffff;
}

.items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  min-width: 720px;
}

.items-table th {
  background: var(--inv-gray-50);
  padding: 0.7rem 0.6rem;
  font-weight: 700;
  color: var(--inv-gray-700);
  border-bottom: 1.5px solid var(--inv-gray-200);
  text-align: left;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.items-table td {
  padding: 0.5rem 0.55rem;
  border-bottom: 1px solid var(--inv-gray-200);
  vertical-align: middle;
}

.items-table tr:hover td {
  background: var(--inv-gray-50);
}

.items-table input,
.items-table select {
  width: 100%;
  padding: 0.45rem 0.55rem;
  font-size: 0.82rem;
  border: 1px solid var(--inv-gray-300);
  border-radius: 6px;
  transition: var(--inv-transition);
}

.items-table input:focus,
.items-table select:focus {
  outline: none;
  border-color: var(--inv-primary);
  box-shadow: 0 0 0 2px var(--inv-primary-glow);
}

.row-total-pill {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--inv-gray-800);
  text-align: right;
  white-space: nowrap;
  padding: 0.25rem 0.4rem;
  border-radius: 4px;
  background: var(--inv-gray-100);
  display: block;
}

.btn-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 6px;
  color: var(--inv-gray-400);
  transition: var(--inv-transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  color: var(--inv-danger);
  background: var(--inv-danger-light);
}

/* Buttons */
.btn-inv {
  padding: 0.55rem 1rem;
  border-radius: var(--inv-radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: var(--inv-transition);
  white-space: nowrap;
}

.btn-inv-primary {
  background: var(--inv-primary);
  color: #ffffff;
}

.btn-inv-primary:hover {
  background: var(--inv-primary-dark);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--inv-primary-glow);
}

.btn-inv-outline {
  background: #ffffff;
  border: 1px solid var(--inv-gray-300);
  color: var(--inv-gray-700);
}

.btn-inv-outline:hover {
  background: var(--inv-gray-50);
  color: var(--inv-gray-900);
  border-color: var(--inv-gray-400);
}

.btn-inv-success {
  background: var(--inv-success);
  color: #ffffff;
}

.btn-inv-success:hover {
  background: var(--inv-success-dark);
  color: #ffffff;
}

/* -------------------------------------------------------------
   7. PREVIEW COLUMN & TOOLBAR
   ------------------------------------------------------------- */
.inv-preview-container {
  position: sticky;
  top: 85px;
}

.inv-toolbar {
  background: #ffffff;
  border: 1px solid var(--inv-gray-200);
  border-radius: var(--inv-radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  box-shadow: var(--inv-shadow-xs);
}

/* -------------------------------------------------------------
   8. AUTO-SCALED A4 PAPER VIEWPORT
   ------------------------------------------------------------- */
.inv-paper-viewport {
  width: 100%;
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
}

/* The scaler handles transform: scale(...) smoothly */
.inv-paper-scaler {
  transform-origin: top center;
  transition: transform 0.15s ease-out;
}

/* The physical simulated A4 Sheet */
.inv-paper {
  width: 794px; /* Standard A4 at 96 DPI */
  min-height: 1123px; /* Standard A4 height */
  background: #ffffff;
  border: 1px solid var(--inv-gray-300);
  border-radius: 4px;
  box-shadow: var(--inv-shadow-paper);
  padding: 2.75rem 2.5rem;
  color: #0f172a;
  font-size: 0.86rem;
  line-height: 1.5;
  box-sizing: border-box;
  position: relative;
}

/* Invoice Header & Logo */
.paper-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 2px solid var(--theme-header-bg);
}

.paper-brand {
  max-width: 58%;
}

.paper-logo {
  max-height: 50px;
  max-width: 170px;
  width: auto;
  margin-bottom: 0.4rem;
  display: block;
  object-fit: contain;
}

.paper-company-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--inv-gray-900);
  line-height: 1.2;
}

.paper-company-meta {
  font-size: 0.78rem;
  color: var(--inv-gray-600);
  line-height: 1.4;
  margin-top: 0.15rem;
}

.paper-title-block {
  text-align: right;
  max-width: 45%;
}

.paper-badge {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--theme-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.paper-meta-table {
  font-size: 0.79rem;
  margin-top: 0.35rem;
  text-align: right;
  width: auto;
  margin-left: auto;
}

.paper-meta-table td {
  padding: 1.5px 0 1.5px 8px;
  white-space: nowrap;
}

/* Bill To / Ship To */
.paper-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.15rem;
  padding: 0.75rem 0.95rem;
  background: var(--inv-gray-50);
  border: 1px solid var(--inv-gray-200);
  border-radius: var(--inv-radius-sm);
  font-size: 0.81rem;
  line-height: 1.4;
}

.paper-party-title {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--theme-accent);
  margin-bottom: 0.3rem;
  letter-spacing: 0.5px;
}

/* Paper Items Table */
.paper-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.15rem;
  font-size: 0.81rem;
}

.paper-table th {
  background: var(--theme-header-bg);
  color: var(--theme-header-color);
  font-weight: 700;
  padding: 0.5rem 0.55rem;
  text-align: left;
}

.paper-table td {
  padding: 0.45rem 0.55rem;
  border-bottom: 1px solid var(--inv-gray-200);
}

.paper-table tr:nth-child(even) td {
  background: var(--inv-gray-50);
}

/* Paper Summary & Calculations */
.paper-summary-wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
  align-items: start;
  margin-bottom: 1.15rem;
}

.paper-totals-table {
  width: 100%;
  font-size: 0.83rem;
  border-collapse: collapse;
}

.paper-totals-table td {
  padding: 0.22rem 0.45rem;
}

.paper-totals-table tr.total-row td {
  font-size: 1.02rem;
  font-weight: 800;
  border-top: 2px solid var(--theme-header-bg);
  border-bottom: 2px solid var(--theme-header-bg);
  color: var(--inv-gray-900);
  padding: 0.45rem 0.45rem;
}

.paper-words {
  font-size: 0.8rem;
  color: var(--inv-gray-700);
  padding: 0.65rem 0.85rem;
  background: var(--inv-gray-50);
  border: 1px solid var(--inv-gray-200);
  border-radius: var(--inv-radius-sm);
  margin-top: 0.6rem;
  line-height: 1.45;
}

/* Payment & QR Box */
.paper-payment-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 1px dashed var(--inv-gray-300);
  border-radius: var(--inv-radius-sm);
  background: #ffffff;
  font-size: 0.78rem;
}

.paper-qr-img {
  width: 85px;
  height: 85px;
  flex-shrink: 0;
}

.paper-sign-box {
  text-align: right;
  margin-top: 1.25rem;
  padding-top: 1.5rem;
  font-size: 0.8rem;
}

/* -------------------------------------------------------------
   9. THEME STYLES FOR THE INVOICE PAPER
   ------------------------------------------------------------- */
[data-invoice-theme="blue"] {
  --theme-accent: #2563eb;
  --theme-header-bg: #1e293b;
  --theme-header-color: #ffffff;
}

[data-invoice-theme="indigo"] {
  --theme-accent: #4f46e5;
  --theme-header-bg: #1e1b4b;
  --theme-header-color: #ffffff;
}

[data-invoice-theme="slate"] {
  --theme-accent: #0f172a;
  --theme-header-bg: #0f172a;
  --theme-header-color: #ffffff;
}

[data-invoice-theme="emerald"] {
  --theme-accent: #059669;
  --theme-header-bg: #064e3b;
  --theme-header-color: #ffffff;
}

[data-invoice-theme="burgundy"] {
  --theme-accent: #991b1b;
  --theme-header-bg: #450a0a;
  --theme-header-color: #ffffff;
}

/* -------------------------------------------------------------
   10. STICKY FLOATING ACTION & SUMMARY BAR
   ------------------------------------------------------------- */
.inv-floating-bar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 9999px;
  padding: 0.6rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  z-index: 1050;
  max-width: 90%;
  transition: var(--inv-transition);
}

.floating-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: #94a3b8;
  font-size: 0.82rem;
  white-space: nowrap;
}

.floating-stat strong {
  color: #ffffff;
  font-weight: 700;
  margin-left: 0.2rem;
}

.floating-stat-divider {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
}

.floating-total {
  color: #38bdf8 !important;
}

.floating-total strong {
  color: #ffffff !important;
  font-size: 0.95rem;
}

.floating-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* -------------------------------------------------------------
   11. SAVED INVOICES TABLE & JSON TABS
   ------------------------------------------------------------- */
.inv-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--inv-gray-200);
  border-radius: var(--inv-radius-md);
  margin-top: 1rem;
}

.inv-db-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  background: #ffffff;
}

.inv-db-table th {
  background: var(--inv-gray-100);
  padding: 0.75rem 1rem;
  font-weight: 700;
  color: var(--inv-gray-700);
  border-bottom: 2px solid var(--inv-gray-200);
  text-align: left;
}

.inv-db-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--inv-gray-200);
  vertical-align: middle;
}

/* -------------------------------------------------------------
   12. UTTERCODE ERP PROMO BANNER
   ------------------------------------------------------------- */
.erp-promo-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
  border-radius: var(--inv-radius-lg);
  padding: 2.5rem;
  color: #ffffff;
  margin-top: 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--inv-shadow-lg);
}

.erp-promo-card::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.15) 0%,
    transparent 70%
  );
  border-radius: 50%;
}

.erp-promo-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
}

.erp-promo-content h3 {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.erp-promo-content p {
  color: #c7d2fe;
  font-size: 0.98rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.erp-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  list-style: none;
  padding: 0;
}

.erp-features-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: #e0e7ff;
}

.erp-features-list i {
  color: #38bdf8;
}

.btn-erp-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  color: #1e1b4b;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--inv-radius-md);
  text-decoration: none;
  font-size: 0.92rem;
  transition: var(--inv-transition);
}

.btn-erp-cta:hover {
  background: #f1f5f9;
  color: #1e1b4b;
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: var(--inv-gray-900);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--inv-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--inv-shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-msg i {
  color: var(--inv-success);
}

/* -------------------------------------------------------------
   13. PRINT INVOICE STYLESHEET
   ------------------------------------------------------------- */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  #header,
  #header-wrap,
  #footer,
  #copyrights,
  #gotoTop,
  .whatsapp-button,
  [class*="whatsapp"],
  [id*="whatsapp"],
  #cookie-consent-banner,
  [class*="tawk"],
  [id*="tawk"],
  iframe[src*="tawk"],
  .promo,
  .page-title,
  .tool-tabs,
  .privacy-banner,
  .erp-promo-card,
  .inv-toolbar,
  .inv-workspace-header,
  .inv-floating-bar,
  .no-print,
  .inv-form-card,
  #invoice_editor_col,
  #tab-invoices,
  #tab-backup,
  #tab-guide {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
  }
  .content-wrap {
    padding: 0 !important;
  }
  .inv-grid {
    display: block !important;
  }
  .inv-preview-container {
    position: static !important;
  }
  .inv-paper-viewport {
    overflow: visible !important;
    display: block !important;
  }
  .inv-paper-scaler {
    transform: none !important;
    height: auto !important;
  }
  .inv-paper {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    min-height: auto !important;
  }
  .paper-header {
    border-bottom: 2px solid #000 !important;
  }
  .paper-table th {
    background: #eee !important;
    color: #000 !important;
    border: 1px solid #000 !important;
  }
  .paper-table td {
    border: 1px solid #ddd !important;
  }
  .paper-table tr,
  .paper-summary-wrap,
  .paper-parties,
  .paper-header {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
}

@page {
  size: A4 portrait;
  margin: 10mm;
}

/* -------------------------------------------------------------
   14. MOBILE & RESPONSIVE REFINEMENTS
   ------------------------------------------------------------- */
@media (max-width: 768px) {
  .inv-tool-container {
    padding: 0 10px;
  }
  .inv-form-card {
    padding: 1.15rem;
  }
  .inv-workspace-header {
    flex-direction: column;
    align-items: stretch;
  }
  .inv-mode-switch {
    width: 100%;
    justify-content: space-between;
  }
  .mode-btn {
    flex: 1;
    justify-content: center;
  }
  .inv-floating-bar {
    width: 95%;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--inv-radius-md);
  }
  .floating-left {
    flex-wrap: wrap;
    justify-content: center;
  }
  .floating-actions {
    width: 100%;
    justify-content: center;
  }
}