/* ============================== */
/* PROFORMA INVOICE STYLES
/* ============================== */

/* Breadcrumb */
.breadcrumb {
  padding: 12px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  transition: background var(--transition), border var(--transition);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb li:not(:last-child)::after {
  content: "›";
  margin-left: 8px;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Hero */
.proforma-hero {
  padding: 40px 0 32px;
  text-align: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border var(--transition);
}

.proforma-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.proforma-hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 14px;
}

.proforma-hero-badge {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.proforma-hero-badge span:first-child {
  color: #16a34a;
  font-weight: 500;
}

/* Form Section */
.proforma-form-section {
  padding: 40px 0 16px;
}

.proforma-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Invoice Number Wrapper */
.invoice-number-wrapper {
  display: flex;
  gap: 10px;
}

.invoice-number-wrapper input {
  flex: 1;
  min-width: 0;
}

.generate-number-btn {
  padding: 10px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: background var(--transition), border var(--transition);
  min-height: 48px;
}

.generate-number-btn:hover {
  background: var(--border);
}

/* Logo Upload - Reuse existing styles */

/* Items Table */
.items-table-wrapper {
  overflow-x: auto;
  margin: 4px 0 8px;
}

.items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 600px;
}

.items-table th {
  text-align: left;
  padding: 8px 10px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.items-table td {
  padding: 6px 6px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.items-table input {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  background: var(--bg);
  color: var(--text);
  transition: border var(--transition), background var(--transition);
  min-height: 36px;
}

.items-table input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.items-table .item-amount {
  font-weight: 500;
  color: var(--text-secondary);
  text-align: right;
  padding-right: 10px;
}

.remove-item-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #ef4444;
  font-size: 1.1rem;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background var(--transition);
}

.remove-item-btn:hover {
  background: #fee2e2;
}

.add-item-btn {
  padding: 10px 20px;
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: background var(--transition), border var(--transition);
  width: 100%;
}

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

/* Action Buttons */
.proforma-actions {
  padding: 8px 0 20px;
}

.actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.action-btn {
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform 0.15s, box-shadow 0.2s;
  min-height: 48px;
  font-family: inherit;
}

.action-btn:hover {
  transform: translateY(-1px);
}

.action-btn.primary {
  background: var(--accent);
  color: #fff;
}

.action-btn.primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.action-btn.secondary {
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--border);
}

.action-btn.secondary:hover {
  background: var(--border);
}

/* Preview Section */
.proforma-preview-section {
  padding: 16px 0 40px;
}

.proforma-preview-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.proforma-disclaimer {
  background: var(--bg-secondary);
  border-left: 3px solid #f59e0b;
  padding: 12px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  transition: background var(--transition);
}

.proforma-disclaimer p {
  margin: 2px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.proforma-disclaimer p:first-child {
  font-weight: 600;
  color: var(--text);
}

.preview-wrapper {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border);
  transition: background var(--transition), border var(--transition);
  overflow-x: auto;
}

/* Proforma Document */
.proforma-document {
  max-width: 794px;
  margin: 0 auto;
  background: #fff;
  color: #1a1a2e;
  padding: 48px 56px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  font-family: 'Helvetica', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.5;
  min-height: 400px;
}

/* Proforma Document Styles */
.proforma-document .doc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.proforma-document .doc-logo {
  max-height: 56px;
  max-width: 160px;
  object-fit: contain;
}

.proforma-document .doc-title {
  text-align: right;
}

.proforma-document .doc-title h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: #1a1a2e;
  letter-spacing: 0.05em;
  margin: 0;
}

.proforma-document .doc-title .proforma-label {
  display: block;
  font-size: 0.7rem;
  color: #6b6b7b;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-top: 2px;
}

.proforma-document .doc-business {
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: #4a4a5a;
}

.proforma-document .doc-business p {
  margin: 2px 0;
}

.proforma-document .doc-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.proforma-document .doc-party h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b6b7b;
  margin-bottom: 4px;
  font-weight: 600;
}

.proforma-document .doc-party p {
  margin: 2px 0;
  line-height: 1.5;
}

.proforma-document .doc-party .party-name {
  font-weight: 600;
}

.proforma-document .doc-meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px 24px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  background: #f8f9fa;
  padding: 12px 16px;
  border-radius: 6px;
}

.proforma-document .doc-meta-item {
  display: flex;
  flex-direction: column;
}

.proforma-document .doc-meta-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b6b7b;
  font-weight: 600;
}

.proforma-document .doc-meta-value {
  font-weight: 500;
}

.proforma-document .doc-items-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 20px;
  font-size: 0.9rem;
}

.proforma-document .doc-items-table th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 2px solid #d1d5db;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #4a4a5a;
}

.proforma-document .doc-items-table td {
  padding: 8px 10px;
  border-bottom: 1px solid #e5e7eb;
}

.proforma-document .doc-items-table .amount-cell {
  text-align: right;
}

.proforma-document .doc-summary {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin-top: 12px;
  font-size: 0.95rem;
}

.proforma-document .doc-summary-row {
  display: flex;
  justify-content: space-between;
  width: 240px;
  padding: 3px 0;
}

.proforma-document .doc-summary-row.total {
  font-weight: 700;
  font-size: 1.1rem;
  border-top: 2px solid #d1d5db;
  padding-top: 8px;
  margin-top: 4px;
}

.proforma-document .doc-summary-row.balance {
  font-weight: 700;
  font-size: 1.15rem;
  color: #2563eb;
  border-top: 2px solid #2563eb;
  padding-top: 8px;
  margin-top: 4px;
}

.proforma-document .doc-summary-row.balance.paid {
  color: #16a34a;
  border-top-color: #16a34a;
}

.proforma-document .doc-payment {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #e5e7eb;
  font-size: 0.85rem;
  color: #4a4a5a;
}

.proforma-document .doc-payment h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b6b7b;
  margin-bottom: 4px;
  font-weight: 600;
}

.proforma-document .doc-payment p {
  margin: 2px 0;
}

.proforma-document .doc-notes {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e5e7eb;
  font-size: 0.85rem;
  color: #4a4a5a;
}

.proforma-document .doc-notes h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b6b7b;
  margin-bottom: 4px;
  font-weight: 600;
}

.proforma-document .doc-terms {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e5e7eb;
  font-size: 0.85rem;
  color: #4a4a5a;
}

.proforma-document .doc-terms h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b6b7b;
  margin-bottom: 4px;
  font-weight: 600;
}

/* Comparison Table */
.comparison-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 20px 0;
}

.comparison-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: background var(--transition), border var(--transition);
}

.comparison-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.comparison-item ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.comparison-item ul li {
  margin-bottom: 4px;
}

/* SEO Content */
.proforma-seo-content {
  padding: 40px 0 16px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border var(--transition);
}

.proforma-seo-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.proforma-seo-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 28px 0 12px;
}

.proforma-seo-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 16px 0 8px;
  color: var(--text);
}

.proforma-seo-content p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.proforma-seo-content ul,
.proforma-seo-content ol {
  margin: 12px 0 20px 24px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.proforma-seo-content ul li,
.proforma-seo-content ol li {
  margin-bottom: 6px;
}

.proforma-seo-content strong {
  color: var(--text);
}

.proforma-internal-links {
  margin-top: 28px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  font-size: 1.05rem;
  transition: background var(--transition), border var(--transition);
}

.proforma-internal-links p {
  margin-bottom: 8px;
}

.proforma-internal-links p:last-child {
  margin-bottom: 0;
}

.proforma-internal-links a {
  color: var(--accent);
  font-weight: 600;
}

.proforma-internal-links a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* FAQ */
.proforma-faq {
  padding: 40px 0 48px;
}

.proforma-faq h2 {
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

/* ============================== */
/* RESPONSIVE
/* ============================== */

@media (max-width: 820px) {
  .comparison-table {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .proforma-document {
    padding: 32px 28px;
  }

  .proforma-document .doc-meta {
    grid-template-columns: 1fr 1fr;
  }

  .proforma-document .doc-parties {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 700px) {
  .proforma-hero h1 {
    font-size: 2rem;
  }

  .proforma-hero-subtitle {
    font-size: 1rem;
  }

  .proforma-hero-badge {
    font-size: 0.8rem;
    gap: 4px;
  }

  .items-table {
    min-width: 500px;
    font-size: 0.85rem;
  }

  .items-table th {
    font-size: 0.7rem;
    padding: 6px 4px;
  }

  .items-table td {
    padding: 4px 4px;
  }

  .items-table input {
    padding: 4px 6px;
    font-size: 0.85rem;
    min-height: 32px;
  }

  .invoice-number-wrapper {
    flex-direction: column;
  }

  .generate-number-btn {
    width: 100%;
    justify-content: center;
  }

  .actions-bar {
    flex-direction: column;
  }

  .action-btn {
    width: 100%;
    justify-content: center;
  }

  .proforma-document {
    padding: 24px 18px;
    font-size: 0.85rem;
  }

  .proforma-document .doc-title h1 {
    font-size: 1.4rem;
  }

  .proforma-document .doc-meta {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 10px 14px;
  }

  .proforma-document .doc-summary-row {
    width: 180px;
  }

  .proforma-document .doc-parties {
    gap: 12px;
  }

  .proforma-seo-content h2 {
    font-size: 1.4rem;
  }

  .proforma-seo-content p,
  .proforma-seo-content ul,
  .proforma-seo-content ol {
    font-size: 0.98rem;
  }

  .proforma-faq h2 {
    font-size: 1.4rem;
  }

  .comparison-item {
    padding: 16px 18px;
  }

  .comparison-item ul {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .proforma-hero {
    padding: 32px 0 24px;
  }

  .proforma-hero h1 {
    font-size: 1.7rem;
  }

  .proforma-form-section {
    padding: 24px 0 8px;
  }

  .items-table {
    min-width: 400px;
    font-size: 0.8rem;
  }

  .items-table th {
    font-size: 0.65rem;
    padding: 4px 3px;
  }

  .items-table td {
    padding: 3px 3px;
  }

  .items-table input {
    padding: 3px 4px;
    font-size: 0.8rem;
    min-height: 28px;
  }

  .remove-item-btn {
    font-size: 0.9rem;
    padding: 2px 4px;
  }

  .proforma-document {
    padding: 18px 12px;
    font-size: 0.8rem;
  }

  .proforma-document .doc-title h1 {
    font-size: 1.2rem;
  }

  .proforma-document .doc-summary-row {
    width: 150px;
    font-size: 0.85rem;
  }

  .proforma-document .doc-summary-row.total {
    font-size: 0.95rem;
  }

  .proforma-document .doc-summary-row.balance {
    font-size: 0.95rem;
  }

  .proforma-document .doc-logo {
    max-height: 40px;
    max-width: 100px;
  }

  .proforma-disclaimer {
    padding: 10px 14px;
    font-size: 0.8rem;
  }

  .proforma-internal-links {
    padding: 14px 16px;
    font-size: 0.95rem;
  }

  .breadcrumb ol {
    gap: 4px 8px;
    font-size: 0.75rem;
  }
}

/* Dark mode adjustments */
[data-theme="dark"] .proforma-document {
  background: #1a1a2e;
  color: #e8e8f0;
}

[data-theme="dark"] .proforma-document .doc-title h1 {
  color: #e8e8f0;
}

[data-theme="dark"] .proforma-document .doc-meta {
  background: #181825;
}

[data-theme="dark"] .proforma-document .doc-meta-label {
  color: #8888a0;
}

[data-theme="dark"] .proforma-document .doc-meta-value {
  color: #e8e8f0;
}

[data-theme="dark"] .proforma-document .doc-items-table th {
  color: #b0b0c0;
  border-bottom-color: #3a3a50;
}

[data-theme="dark"] .proforma-document .doc-items-table td {
  border-bottom-color: #2a2a40;
}

[data-theme="dark"] .proforma-document .doc-summary-row.total {
  border-top-color: #3a3a50;
}

[data-theme="dark"] .proforma-document .doc-summary-row.balance {
  color: #3b82f6;
  border-top-color: #3b82f6;
}

[data-theme="dark"] .proforma-document .doc-summary-row.balance.paid {
  color: #22c55e;
  border-top-color: #22c55e;
}

[data-theme="dark"] .proforma-document .doc-payment {
  border-top-color: #2a2a40;
}

[data-theme="dark"] .proforma-document .doc-notes {
  border-top-color: #2a2a40;
}

[data-theme="dark"] .proforma-document .doc-terms {
  border-top-color: #2a2a40;
}

[data-theme="dark"] .proforma-disclaimer {
  background: #181825;
}

[data-theme="dark"] .comparison-item {
  background: var(--bg-card);
}

/* ============================== */
/* PRINT STYLES
/* ============================== */
@media print {
  body * {
    visibility: hidden;
  }

  .preview-wrapper,
  .preview-wrapper *,
  .proforma-document,
  .proforma-document * {
    visibility: visible !important;
  }

  .preview-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff !important;
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    overflow: visible !important;
  }

  .proforma-document {
    max-width: 100% !important;
    padding: 40px 48px !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    min-height: auto !important;
    background: #fff !important;
    color: #1a1a2e !important;
  }

  .navbar,
  .breadcrumb,
  .proforma-hero,
  .proforma-form-section,
  .proforma-actions,
  .proforma-preview-section .proforma-disclaimer,
  .proforma-preview-section h2,
  .proforma-seo-content,
  .proforma-faq,
  .footer {
    display: none !important;
  }

  .proforma-document .doc-summary-row.balance {
    color: #2563eb !important;
  }

  .proforma-document .doc-summary-row.balance.paid {
    color: #16a34a !important;
  }

  @page {
    margin: 12mm 14mm;
    size: A4;
  }

  .proforma-document .doc-items-table {
    page-break-inside: auto;
  }

  .proforma-document .doc-items-table tr {
    page-break-inside: avoid;
    page-break-after: auto;
  }

  .proforma-document .doc-items-table tbody tr:last-child {
    page-break-after: auto;
  }
}