.layout-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 1rem;
}

.layout-tab-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.layout-tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-color);
  border-color: var(--primary-color);
}

.layout-tab-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 2px 4px rgba(0, 123, 255, 0.2);
}

.layout-tab-btn i {
  font-size: 1rem;
}

/* Layout-Sektionen */
.layout-section {
  display: none;
  animation: fadeIn 0.3s ease;
}

.layout-section.active {
  display: block;
}

.layout-section h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.layout-section h3 i {
  font-size: 1.1rem;
}

.layout-section h4 {
  color: var(--text-color);
  margin: 1.5rem 0 1rem 0;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Form-Sektionen */
.form-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  /* padding: 1.5rem; */
  /* margin: 1.5rem 0; */
}

.form-section h4 {
  margin-top: 0;
  color: var(--primary-color);
  font-size: 1rem;
  margin-bottom: 1rem;
}

/* Layout-Actions */
.layout-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.layout-actions .btn {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
}

/* Color-Input Styling */
.color-input {
  width: 100%;
  height: 2.5rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border-color);
  cursor: pointer;
  padding: 0.25rem;
  background: var(--bg-primary);
}

.color-input:hover {
  border-color: var(--primary-color);
}

.color-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.125rem rgba(0, 123, 255, 0.25);
}

/* Form-Grid Verbesserungen für Layout-Editor */
.layout-section .form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* Spezielle Styling für Layout-Formular */
#layout-form .form-group {
  margin-bottom: 0;
}

#layout-form .form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

#layout-form .form-input {
  font-size: 0.9rem;
}

/* Checkbox-Styling für Layout-Editor */
.layout-section input[type="checkbox"] {
  width: 1.2rem;
  height: 1.2rem;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.layout-section label:has(input[type="checkbox"]) {
  cursor: pointer;
  user-select: none;
}

/* Layout-Vorschau Styles */
.layout-preview {
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--bg-primary);
  padding: 1rem;
  margin-top: 1rem;
  max-height: 400px;
  overflow-y: auto;
}

.layout-preview-title {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

/* Print-Controls Styling */
.print-controls {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
  display: flex;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: 0.75rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.print-controls .btn {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Erweiterte Dokumenten-Styles für Print */
.document-container {
  max-width: 210mm; /* A4 Breite */
  margin: 0 auto;
  background: white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  min-height: 297mm; /* A4 Höhe */
}

.document-header {
  page-break-inside: avoid;
}

.customer-section {
  page-break-inside: avoid;
}

.positions-section {
  page-break-inside: avoid;
}

.summary-section {
  page-break-inside: avoid;
}

.signature-section {
  page-break-inside: avoid;
  page-break-before: auto;
}

/* Signature-Boxes Layout */
.signature-boxes {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2rem;
}

.signature-box {
  flex: 1;
  position: relative;
  background-color: #fafafa;
}

.signature-date {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.8rem;
  color: #999;
}

.signature-label {
  position: absolute;
  bottom: -1.5rem;
  left: 0;
  font-size: 0.9rem;
  color: #666;
  font-weight: 500;
}

/* Summary-Calculations Styling */
.summary-calculations {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin: 1rem 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-row.total-row {
  border-top: 2px solid var(--primary-color);
  padding-top: 1rem;
  margin-top: 0.5rem;
  font-size: 1.1rem;
}

.summary-row label {
  margin: 0;
  color: var(--text-color);
}

.summary-row span {
  color: var(--text-color);
  font-weight: 500;
}

/* Terms und Conditions Styling */
.payment-terms,
.work-conditions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

.terms-section h4,
.warranty-section h4,
.conditions-section h4 {
  color: var(--primary-color);
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.terms-section p,
.warranty-section p,
.conditions-section p {
  margin: 0;
  line-height: 1.5;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Bank- und Tax-Info im Footer */
.footer-section {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.bank-info,
.tax-info {
  flex: 1;
}

.bank-info h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

/* Responsive Design für Layout-Editor */
@media (max-width: 768px) {
  .layout-tabs {
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  .layout-tab-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }

  .layout-section .form-grid {
    grid-template-columns: 1fr;
  }

  .layout-actions {
    flex-direction: column;
    gap: 0.5rem;
  }

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

  .signature-boxes {
    flex-direction: column;
    gap: 1rem;
  }

  .payment-terms,
  .work-conditions {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .footer-section {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Print-spezifische Styles */
@media print {
  .no-print {
    display: none !important;
  }

  .document-container {
    box-shadow: none;
    max-width: none;
    margin: 0;
  }

  .print-controls {
    display: none !important;
  }

  /* Seitenumbruch-Kontrolle */
  .page-break-before {
    page-break-before: always;
  }

  .page-break-after {
    page-break-after: always;
  }

  .page-break-inside-avoid {
    page-break-inside: avoid;
  }

  /* Druckoptimierung */
  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  h1 {
    font-size: 18pt;
  }

  h2 {
    font-size: 16pt;
  }

  h3 {
    font-size: 14pt;
  }

  h4 {
    font-size: 12pt;
  }

  .summary-calculations {
    background: transparent !important;
    border: 1px solid #000 !important;
  }

  .form-section {
    background: transparent !important;
    border: 1px solid #000 !important;
  }
}

/* Dark-Mode Anpassungen für Layout-Editor */
@media (prefers-color-scheme: dark) {
  .layout-section .form-section {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .color-input {
    background: var(--bg-secondary);
    border-color: rgba(255, 255, 255, 0.2);
  }

  .document-container {
    background: #1a1a1a;
    color: #e0e0e0;
  }

  .summary-calculations {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.layout-section.active {
  animation: fadeIn 0.3s ease;
}

/* Loading-States für Layout-Editor */
.layout-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: var(--text-muted);
}

.layout-loading::before {
  content: "";
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 0.5rem;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Layout-Editor spezifische Form-Validierung */
.layout-section .form-input:invalid {
  border-color: #e74c3c;
  box-shadow: 0 0 0 0.125rem rgba(231, 76, 60, 0.25);
}

.layout-section .form-input:valid {
  border-color: #27ae60;
}

/* Tooltips für Layout-Editor */
.layout-tooltip {
  position: relative;
  cursor: help;
}

.layout-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.8rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 1000;
}

.layout-tooltip:hover::after {
  opacity: 1;
}