/**
 * Legal Markdown Web UI Styles
 * Based on contract.css with UI enhancements
 */

/* Variables (from contract.css) */
:root {
  /* Colors */
  --color-primary: #353954;
  --color-accent: #02370a;
  --color-link: #41badf;
  --color-text: #333;
  --color-error: #c62828;
  --color-success: #2e7d32;
  --color-warning: #f57c00;
  
  /* UI Colors */
  --color-bg: #f8f9fa;
  --color-surface: white;
  --color-border: #e9ecef;
  --color-input-focus: #4CAF50;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Sizes */
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --border-radius: 8px;
  --header-height: 60px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
}

/* Dark theme */
[data-theme="dark"] {
  --color-bg: #1a1a1a;
  --color-surface: #2d2d2d;
  --color-text: #e0e0e0;
  --color-border: #404040;
  --color-input-focus: #66bb6a;
  --color-primary: #7c4dff;
  --color-accent: #69f0ae;
  --color-link: #64b5f6;
}

/* Base styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Theme transition animation */
* {
  transition: background-color var(--transition-base), 
              color var(--transition-base), 
              border-color var(--transition-base);
}

/* App layout */
.app-container {
  height: 100vh;
  display: grid;
  grid-template-rows: var(--header-height) 1fr auto;
  overflow: hidden;
}

.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  transition: background-color var(--transition-base);
}

.app-header h1 {
  margin: 0;
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.header-actions button {
  background: none;
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
}

.header-actions button:hover {
  background: var(--color-border);
}

/* Main editor */
.editor-container {
  display: grid;
  grid-template-columns: 1fr 4px 1fr 4px 1fr;
  gap: 0;
  padding: var(--spacing-lg);
  overflow: hidden;
}

/* Column resizer */
.column-resizer {
  width: 4px;
  background: var(--color-border);
  cursor: col-resize;
  transition: all var(--transition-fast);
  position: relative;
  user-select: none;
}

.column-resizer:hover {
  background: var(--color-primary);
  width: 6px;
  box-shadow: 0 0 4px rgba(53, 57, 84, 0.3);
}

.column-resizer:active {
  background: var(--color-accent);
  width: 6px;
  box-shadow: 0 0 8px rgba(2, 55, 10, 0.5);
}

.input-panel, .css-panel, .output-panel {
  margin-right: var(--spacing-md);
}

.output-panel {
  margin-right: 0;
}

/* CSS Panel */
.css-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-base);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.css-content {
  border-top: 1px solid var(--color-border);
  flex: 1;
  overflow: hidden;
}

.css-editor {
  width: 100%;
  height: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  border: none;
  resize: none;
  outline: none;
  padding: var(--spacing-md);
  background: var(--color-surface);
  color: var(--color-text);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.css-editor:focus {
  background: var(--color-bg);
}

.input-panel, .output-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background-color var(--transition-base);
}

.panel-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
}

.panel-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.panel-actions button {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: all var(--transition-fast);
}

.panel-actions button:hover {
  background: var(--color-accent);
}

.panel-actions button.secondary {
  background: var(--color-border);
  color: var(--color-text);
}

.panel-actions button.secondary:hover {
  background: var(--color-link);
  color: white;
}

/* Editor */
.editor {
  flex: 1;
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  line-height: 1.5;
  border: none;
  resize: none;
  outline: none;
  padding: var(--spacing-lg);
  background: var(--color-surface);
  color: var(--color-text);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.editor:focus {
  box-shadow: inset 0 0 0 2px var(--color-input-focus);
}

/* Preview */
.preview-container {
  flex: 1;
  overflow: hidden;
  background: var(--color-surface);
  transition: background-color var(--transition-base);
}

/* Split preview layout */
.preview-split {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 0;
}

.preview-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.preview-header h4 {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
}

.preview-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.preview-resize-handle {
  height: 4px;
  background: var(--color-border);
  cursor: ns-resize;
  transition: background-color var(--transition-fast);
}

.preview-resize-handle:hover {
  background: var(--color-input-focus);
}

.copy-btn {
  background: none;
  border: none;
  font-size: var(--font-size-base);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .copy-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Base preview without styles */
.preview-content {
  /* Minimal base styles only */
  color: var(--color-text);
}

/* Contract.css styles - applied conditionally via .styled-preview class */
.preview-container.styled-preview {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 12pt;
  line-height: 1.3;
}

.preview-container.styled-preview h1 {
  color: var(--color-primary);
  font-size: 1.6em;
  line-height: 1.5em;
  margin: 8px 8px 32px;
  text-align: center;
  border-bottom: solid var(--color-accent);
  padding: 0 5% 0.3em;
}

.preview-container.styled-preview h2 {
  font-size: 14pt;
  margin-top: 20px;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--color-link);
}

.preview-container.styled-preview h3 {
  font-size: 10pt;
  font-weight: bold;
  border-bottom: 1px solid var(--color-link);
  margin-top: 30px;
  margin-bottom: 8px;
}

.preview-container.styled-preview p {
  margin-bottom: 15px;
  text-align: justify;
}

.preview-container.styled-preview ul, .preview-container.styled-preview ol {
  margin-left: 8px;
  margin-bottom: 15px;
  padding-inline-start: 20px;
}

.preview-container.styled-preview li {
  margin-bottom: 8px;
}

/* Dark theme preview styling - only for styled preview */
[data-theme="dark"] .preview-container {
  color: var(--color-text);
}

[data-theme="dark"] .preview-container.styled-preview h1 {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

[data-theme="dark"] .preview-container.styled-preview h2,
[data-theme="dark"] .preview-container.styled-preview h3 {
  color: var(--color-text);
  border-bottom-color: var(--color-link);
}

[data-theme="dark"] .preview-container.styled-preview strong {
  color: var(--color-text);
}

[data-theme="dark"] .preview-container.styled-preview a {
  color: var(--color-link);
}

[data-theme="dark"] .preview-placeholder {
  color: var(--color-text);
  opacity: 0.7;
}

/* Options panel */
.options-panel {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-lg);
  transition: background-color var(--transition-base);
}

.options-toggle {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--spacing-sm) 0;
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.options-content {
  display: none;
  padding-top: var(--spacing-sm);
}

.options-content.open {
  display: block;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.option-group label {
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

.checkbox-item label {
  font-weight: normal;
  color: var(--color-text);
  cursor: pointer;
}

/* Tooltip styles */
.tooltip {
  position: relative;
  display: inline-block;
  margin-left: var(--spacing-xs);
  cursor: help;
}

.tooltip .tooltip-icon {
  color: var(--color-primary);
  font-size: 12px;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.tooltip:hover .tooltip-icon {
  opacity: 1;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: 280px;
  background-color: var(--color-surface);
  color: var(--color-text);
  text-align: left;
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  margin-left: -140px;
  opacity: 0;
  transition: opacity var(--transition-fast);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  font-size: 12px;
  line-height: 1.4;
  font-weight: normal;
}

.tooltip .tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--color-border) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* Dark theme tooltip */
[data-theme="dark"] .tooltip .tooltip-text {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .tooltip .tooltip-text::after {
  border-color: var(--color-border) transparent transparent transparent;
}

/* Form elements */
input[type="text"], input[type="file"], select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  background: var(--color-surface);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

input[type="text"]:focus, select:focus {
  outline: none;
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* Example dropdown */
.example-dropdown {
  position: relative;
}

.example-select {
  background: var(--color-border);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: all var(--transition-fast);
  min-width: 100px;
}

.example-select:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
}

.example-select:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(65, 186, 223, 0.3);
}

/* Dark theme dropdown */
[data-theme="dark"] .example-select {
  background: var(--color-link);
  color: var(--color-surface);
}

[data-theme="dark"] .example-select:hover {
  background: #1976d2;
}

[data-theme="dark"] .example-select option {
  background: var(--color-surface);
  color: var(--color-text);
}

/* Messages */
.message {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-md);
  animation: slideIn 0.3s ease;
  transition: opacity 0.3s ease;
  position: relative;
}

.message.error {
  background: #ffebee;
  color: var(--color-error);
  border: 1px solid #ffcdd2;
  border-left: 4px solid var(--color-error);
}

.message.success {
  background: #e8f5e8;
  color: var(--color-success);
  border: 1px solid #c8e6c9;
  border-left: 4px solid var(--color-success);
}

.message.warning {
  background: #fff3e0;
  color: var(--color-warning);
  border: 1px solid #ffcc02;
  border-left: 4px solid var(--color-warning);
}

.message.info {
  background: #e3f2fd;
  color: #1976d2;
  border: 1px solid #bbdefb;
  border-left: 4px solid #1976d2;
}

.message-main {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.message-details {
  font-size: 0.9em;
  opacity: 0.9;
  line-height: 1.4;
  white-space: pre-line;
  margin-top: var(--spacing-xs);
}

[data-theme="dark"] .message.error {
  background: #3d1a1a;
  color: #ff6b6b;
  border-color: #5a2d2d;
}

[data-theme="dark"] .message.success {
  background: #1a3d1a;
  color: #69f0ae;
  border-color: #2d5a2d;
}

[data-theme="dark"] .message.warning {
  background: #3d2a1a;
  color: #ffa726;
  border-color: #5a3d2d;
}

[data-theme="dark"] .message.info {
  background: #1a2d3d;
  color: #64b5f6;
  border-color: #2d4a5a;
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--color-primary);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Responsive design */
@media (max-width: 1024px) {
  .editor-container {
    grid-template-columns: 1fr 4px 1fr;
    grid-template-rows: auto auto auto;
  }
  
  .css-panel {
    grid-column: 1 / -1;
    order: 2;
  }
  
  .input-panel {
    order: 1;
  }
  
  .output-panel {
    order: 3;
  }
  
  .column-resizer {
    display: none;
  }
}

@media (max-width: 768px) {
  .editor-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  
  .css-panel {
    grid-column: 1;
    order: 2;
  }
  
  .input-panel {
    order: 1;
  }
  
  .output-panel {
    order: 3;
  }
  
  .column-resizer {
    display: none;
  }
  
  .app-header {
    padding: 0 var(--spacing-md);
  }
  
  .app-header h1 {
    font-size: var(--font-size-lg);
  }
  
  .options-grid {
    grid-template-columns: 1fr;
  }
}

/* Print styles (from contract.css) */
@media print {
  @page {
    size: A4;
    margin: 20mm 10mm 10mm 10mm;
  }
  
  .app-header,
  .options-panel {
    display: none !important;
  }
  
  .editor-container {
    grid-template-columns: 1fr;
    padding: 0;
  }
  
  .input-panel {
    display: none !important;
  }
  
  .output-panel {
    border: none;
    border-radius: 0;
    height: auto;
  }
  
  .panel-header {
    display: none;
  }
  
  .preview-container {
    font-size: 11pt;
    color: black;
    padding: 0;
  }
  
  .preview-container h1 {
    color: #353954;
    border-bottom: solid #02370a;
  }
  
  .preview-container h2 {
    border-bottom: 1px solid #41badf;
  }
  
  .preview-container h3 {
    border-bottom: 1px solid #41badf;
  }
  
  .preview-container a {
    color: #41badf;
    text-decoration: none;
  }
  
  .preview-container a[href^='http']:after {
    content: ' (' attr(href) ')';
    font-size: 90%;
  }
  
  .preview-container p {
    page-break-inside: avoid;
  }
  
  .preview-container h1,
  .preview-container h2,
  .preview-container h3 {
    page-break-after: avoid;
    page-break-inside: avoid;
  }
}

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

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Scrollbar styling */
.editor::-webkit-scrollbar,
.preview-container::-webkit-scrollbar {
  width: 8px;
}

.editor::-webkit-scrollbar-track,
.preview-container::-webkit-scrollbar-track {
  background: var(--color-bg);
}

.editor::-webkit-scrollbar-thumb,
.preview-container::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.editor::-webkit-scrollbar-thumb:hover,
.preview-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Dark theme scrollbar */
[data-theme="dark"] .editor::-webkit-scrollbar-track,
[data-theme="dark"] .preview-container::-webkit-scrollbar-track {
  background: var(--color-bg);
}

[data-theme="dark"] .editor::-webkit-scrollbar-thumb,
[data-theme="dark"] .preview-container::-webkit-scrollbar-thumb {
  background: var(--color-border);
}

[data-theme="dark"] .editor::-webkit-scrollbar-thumb:hover,
[data-theme="dark"] .preview-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mt-0 {
  margin-top: 0 !important;
}