/* ===== Enhanced UI Styles for Friction Language Translator ===== */

/* Enhanced Layout for Better Space Utilization */
.main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
  background-color: var(--bg-color);
  min-height: calc(100vh - 120px); /* Account for header and footer */
}

.editor-area {
  flex: 1;
  display: flex;
  overflow: hidden;
  gap: 0; /* Remove gap for seamless design */
}

.editor {
  flex: 1;
  padding: var(--spacing-4) var(--spacing-5);
  overflow-y: auto;
  display: flex;
  justify-content: center;
  background-color: var(--bg-color);
  scroll-behavior: smooth;
  
  /* Custom scrollbar for editor area */
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.1) transparent;
}

.editor::-webkit-scrollbar {
  width: 6px;
}

.editor::-webkit-scrollbar-track {
  background: transparent;
}

.editor::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.1);
  border-radius: 3px;
}

/* Enhanced Editor Textarea Styles */
.textarea-container {
  position: relative;
  margin-bottom: var(--spacing-4);
  min-height: 400px; /* Reduced from 700px */
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  background-color: var(--surface-1);
}

.rich-editor {
  width: 100%;
  min-height: 400px; /* Reduced from 700px */
  max-height: 60vh; /* Reduced from 80vh */
  padding: var(--spacing-4); /* Reduced padding */
  border: 1px solid var(--border-color); /* Thinner border */
  border-radius: var(--radius-md);
  font-size: 16px; /* Reduced font size */
  line-height: 1.6; /* Adjusted line height */
  resize: none;
  outline: none;
  transition: var(--transition);
  background-color: var(--surface-1);
  overflow-y: auto;
  scroll-behavior: smooth;
  
  /* Better typography */
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text-primary);
  
  /* Custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.2) transparent;
}

.rich-editor::-webkit-scrollbar {
  width: 8px;
}

.rich-editor::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 4px;
}

.rich-editor::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.2);
  border-radius: 4px;
  transition: background 0.2s ease;
}

.rich-editor::-webkit-scrollbar-thumb:hover {
  background: rgba(0,0,0,0.3);
}

.rich-editor:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(95, 107, 224, 0.1);
  transform: translateY(-1px); /* Subtle lift effect */
}

.rich-editor:hover:not(:focus) {
  border-color: #c0c0c0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* Enhanced placeholder styling */
.placeholder {
  position: absolute;
  top: var(--spacing-4);
  left: var(--spacing-4);
  color: #999;
  pointer-events: none;
  transition: var(--transition);
  font-size: 16px; /* Match the editor font size */
  line-height: 1.6;
  opacity: 0.7;
}

.rich-editor:not(:empty) + .placeholder,
.rich-editor:focus + .placeholder {
  opacity: 0;
  transform: translateY(-5px);
}

/* Improved editor container */
.editor-container {
  width: 100%;
  max-width: 800px; /* Reduced from 1000px */
  padding: var(--spacing-5); /* Reduced padding */
  background-color: var(--surface-1);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05); /* Better shadow */
  margin: 0 auto;
  transition: box-shadow 0.3s ease;
}

.editor-container:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

/* Better empty state positioning */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 60px;
  text-align: center;
  padding: var(--spacing-6);
  color: var(--text-secondary);
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.empty-state-icon {
  font-size: 56px; /* Larger icon */
  color: var(--primary-color);
  opacity: 0.6;
  margin-bottom: var(--spacing-5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.8; }
}

.empty-state-text {
  font-size: 20px; /* Larger heading */
  font-weight: 600;
  margin-bottom: var(--spacing-3);
  color: var(--text-primary);
}

.empty-state-subtext {
  font-size: 15px;
  color: var(--text-tertiary);
  max-width: 450px; /* Wider text block */
  line-height: 1.6;
}

/* File upload improvements - positioned after textarea */
.file-upload {
  display: flex;
  justify-content: center;
  margin: var(--spacing-4) 0; /* Reduced spacing */
  opacity: 1; /* Always visible */
  order: 2; /* Position after textarea */
}

.file-upload-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4); /* Smaller button */
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px; /* Smaller text */
  font-weight: 500;
  border: 2px dashed var(--primary-color);
  transition: all 0.3s ease;
}

/* Content area ordering */
#contentArea {
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
}

.textarea-container {
  order: 1; /* Textarea first */
}

/* Better empty state positioning - moved below file upload */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-4);
  text-align: center;
  padding: var(--spacing-5);
  color: var(--text-secondary);
  opacity: 1;
  order: 3; /* Position after file upload */
}

.file-upload-btn:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(95, 107, 224, 0.3);
}

/* Analysis panel improvements */
.analysis-panel {
  width: 380px; /* Slightly wider */
  background: #ffffff;
  border-left: 1px solid #e0e0e0;
  box-shadow: -4px 0 12px rgba(0, 0, 0, 0.05); /* Better shadow */
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.analysis-panel .panel-header {
  background: linear-gradient(135deg, #5f6be0, #8a98f3);
  padding: var(--spacing-4) var(--spacing-5);
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.analysis-panel .panel-content {
  padding: 0;
  overflow-y: auto;
  flex: 1;
  background: #fafbff;
}

/* Empty panel improvements */
.empty-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-6);
  height: 100%;
  background: linear-gradient(135deg, #fafbff 0%, #f0f2ff 100%);
}

.panel-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #eef0ff, #d8dcff);
  color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: var(--spacing-5);
  box-shadow: 0 4px 12px rgba(95, 107, 224, 0.2);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-5px); }
}

.panel-title-lg {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.panel-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-6);
  line-height: 1.5;
  max-width: 280px;
}

/* Wizard steps improvements */
.wizard-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  width: 100%;
  margin-bottom: var(--spacing-6);
  text-align: left;
}

.wizard-step {
  display: flex;
  gap: var(--spacing-3);
  align-items: flex-start;
  padding: var(--spacing-3);
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.wizard-step:hover {
  transform: translateX(5px);
  box-shadow: 0 2px 8px rgba(95, 107, 224, 0.1);
}

.step-number {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(95, 107, 224, 0.3);
}

.step-content {
  flex: 1;
}

.step-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
  font-size: 15px;
}

.step-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Model info improvements */
.model-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3);
  background: rgba(95, 107, 224, 0.05);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--primary-color);
  font-weight: 500;
  border: 1px solid rgba(95, 107, 224, 0.1);
}

.model-info i {
  font-size: 16px;
}

/* Content area improvements */
#contentArea {
  width: 100%;
  position: relative;
}

/* Suggestion items improvements */
.suggestion-item {
  background-color: #fff;
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border-left: 4px solid var(--primary-color);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.suggestion-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.suggestion-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.suggestion-text strong {
  font-weight: 600;
  color: var(--text-primary);
}

.suggestion-actions {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-3);
}

.suggestion-action {
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--surface-2);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}

.suggestion-action:hover {
  background-color: var(--hover-bg);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.suggestion-action-accept {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.suggestion-action-accept:hover {
  background-color: var(--primary-color);
  color: white;
}

/* Friction marks in text */
.friction-mark {
  border-bottom: 2px dotted;
  cursor: pointer;
  padding-bottom: 1px;
  transition: background-color 0.2s ease;
  border-radius: 2px;
  padding: 1px 2px;
}

.friction-mark:hover {
  background-color: rgba(95, 107, 224, 0.1);
}

.friction-type-but {
  border-bottom-color: #ff9800;
  background-color: rgba(255, 152, 0, 0.05);
}

.friction-type-should {
  border-bottom-color: #2196f3;
  background-color: rgba(33, 150, 243, 0.05);
}

.friction-type-not {
  border-bottom-color: #f44336;
  background-color: rgba(244, 67, 54, 0.05);
}

/* Category tabs improvements */
.category-tabs {
  display: flex;
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-4);
  padding: 0 var(--spacing-4);
}

.category-tab {
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-2);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  flex: 1;
}

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

.category-tab.active {
  background: var(--primary-color);
  color: white;
  box-shadow: 0 2px 4px rgba(95, 107, 224, 0.3);
}

/* Loading states */
.analysis-loading {
  padding: var(--spacing-4);
  text-align: center;
  color: var(--primary-color);
  font-weight: 500;
}

.analysis-loading i {
  margin-right: var(--spacing-2);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Options container */
.options-container {
  margin-top: var(--spacing-3);
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--border-color);
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.option-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--surface-1);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: var(--spacing-2) var(--spacing-3);
  transition: background-color 0.2s, box-shadow 0.2s;
}

.option-item:hover {
  background-color: var(--hover-bg);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.option-text {
  flex: 1;
  margin-right: var(--spacing-3);
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.4;
}

.option-accept-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  padding: var(--spacing-1) var(--spacing-3);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.option-accept-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.option-accept-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Responsive improvements */
@media (max-width: 1200px) {
  .analysis-panel {
    width: 350px;
  }
  
  .editor-container {
    max-width: 700px; /* Reduced from 800px */
  }
  
  .rich-editor {
    min-height: 350px; /* Reduced from 600px */
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .analysis-panel {
    display: none;
  }
  
  .editor {
    padding: var(--spacing-3);
  }
  
  .editor-container {
    margin: 0 var(--spacing-2);
    padding: var(--spacing-4);
    max-width: 100%;
  }
  
  .rich-editor {
    min-height: 300px; /* Reduced from 500px */
    font-size: 16px;
    padding: var(--spacing-3);
  }
  
  .placeholder {
    top: var(--spacing-3);
    left: var(--spacing-3);
    font-size: 16px;
  }
  
  .textarea-container {
    min-height: 300px; /* Reduced from 500px */
  }
}

@media (max-width: 480px) {
  .rich-editor {
    min-height: 250px; /* Reduced from 400px */
    font-size: 15px;
    padding: var(--spacing-3);
  }
  
  .placeholder {
    top: var(--spacing-3);
    left: var(--spacing-3);
    font-size: 15px;
  }
  
  .empty-state-icon {
    font-size: 40px; /* Reduced from 48px */
  }
  
  .empty-state-text {
    font-size: 16px; /* Reduced from 18px */
  }
  
  .empty-state-subtext {
    font-size: 13px; /* Reduced from 14px */
    max-width: 280px;
  }
  
  .editor-container {
    padding: var(--spacing-3);
  }
  
  .textarea-container {
    min-height: 250px; /* Reduced from 400px */
  }
}

/* Add some breathing room */
body {
  background: linear-gradient(135deg, #fafafa 0%, #f0f2f5 100%);
}

/* Smooth transitions for better UX */
* {
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

/* Results container improvements */
.results-container {
  margin-top: var(--spacing-6);
  background-color: var(--surface-1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  border: 1px solid var(--border-color);
}

.results-heading {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--spacing-4);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.results-heading i {
  color: var(--primary-color);
  margin-right: var(--spacing-2);
}

.results-actions {
  display: flex;
  gap: var(--spacing-2);
}

.text-display {
  padding: var(--spacing-4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--surface-1);
  min-height: 100px;
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-line;
  line-height: 1.6;
  font-size: 16px;
  margin-bottom: var(--spacing-4);
}

/* Enhanced suggestion count badge */
.suggestion-count {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  margin-left: var(--spacing-2);
  animation: bounce 0.3s ease;
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Improved no suggestions state */
.no-suggestions {
  text-align: center;
  padding: var(--spacing-6);
  color: var(--text-tertiary);
  font-style: italic;
  background: linear-gradient(135deg, #f8f9ff 0%, #f0f2ff 100%);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-color);
}

/* Enhanced highlight changes */
.highlight-change {
  background-color: rgba(253, 126, 85, 0.15);
  border-bottom: 2px solid var(--accent-color);
  padding: 0 2px;
  border-radius: 2px;
  transition: background-color 0.2s ease;
}

.highlight-add {
  background-color: rgba(95, 107, 224, 0.15);
  border-bottom: 2px solid var(--primary-color);
  padding: 0 2px;
  border-radius: 2px;
  transition: background-color 0.2s ease;
}