/* ================================================
   CSS CUSTOM PROPERTIES - VS CODE DARK THEME
   ================================================ */
:root {
  /* Core background colors */
  --vscode-bg: #1e1e1e;
  --vscode-panel: #252526;
  --vscode-toolbar: #2d2d30;
  --vscode-menu-bg: #2d2d30;
  
  /* Border and accent colors */
  --vscode-border: #3c3c3c;
  --vscode-focus-border: #007acc;
  
  /* Text colors */
  --vscode-foreground: #cccccc;
  --vscode-foreground-muted: #969696;
  --vscode-text-link: #3794ff;
  
  /* Input and control colors */
  --vscode-input-bg: #3c3c3c;
  --vscode-input-border: #464647;
  --vscode-dropdown-bg: #3c3c3c;
  
  /* Button colors */
  --vscode-button-bg: #0e639c;
  --vscode-button-hover: #1177bb;
  
  /* Interactive element colors */
  --vscode-selection: #094771;
  --vscode-menu-hover: #094771;
}

/* ================================================
   BASE LAYOUT AND TYPOGRAPHY
   ================================================ */
html,
body {
  height: 100%;
  margin: 0;
  background: var(--vscode-bg);
  color: var(--vscode-foreground);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe WPC", "Segoe UI", system-ui, "Ubuntu", "Droid Sans", sans-serif;
  font-size: 13px;
}

/* ================================================
   TOOLBAR AND NAVIGATION
   ================================================ */
.topbar {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 4px 8px;
  background: var(--vscode-toolbar);
  border-bottom: 0.5px solid var(--vscode-border);
  position: sticky;
  top: 0;
  z-index: 10;
  height: 35px;
  box-sizing: border-box;
  position: relative;
}

.toolbar-section {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: 6px;
}

.toolbar-separator {
  width: 1px;
  height: 16px;
  background: var(--vscode-border);
  margin: 0 8px;
}

.title {
  font-weight: 400;
  font-size: 13px;
  color: var(--vscode-foreground);
  margin-right: 16px;
  white-space: nowrap;
}

.spacer {
  flex: 1;
}

/* ================================================
   BUTTONS AND INTERACTIVE CONTROLS
   ================================================ */
.btn,
.vscode-button {
  background: var(--vscode-input-bg);
  color: var(--vscode-foreground);
  border: 1px solid var(--vscode-input-border);
  border-radius: 2px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
  height: 22px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  text-align: center;
  outline: none;
  transition: all 0.1s ease;
}

.btn:hover,
.vscode-button:hover {
  background: var(--vscode-menu-hover);
  border-color: var(--vscode-focus-border);
}

.btn:focus,
.vscode-button:focus {
  outline: none;
}

/* Button variants */
.btn.primary {
  background: var(--vscode-button-bg);
  border-color: var(--vscode-button-bg);
  color: white;
}

.btn.primary:hover {
  background: var(--vscode-button-hover);
  border-color: var(--vscode-button-hover);
}

.btn.ghost {
  background: transparent;
  border-color: transparent;
}

.btn.ghost:hover {
  background: var(--vscode-menu-hover);
  border-color: transparent;
}

/* ================================================
   FORM CONTROLS (SELECT, INPUT)
   ================================================ */
/* VS Code style select dropdown */
select {
  background: var(--vscode-dropdown-bg);
  color: var(--vscode-foreground);
  border: 1px solid var(--vscode-input-border);
  border-radius: 2px;
  padding: 3px 20px 3px 8px;
  font-size: 11px;
  font-family: inherit;
  height: 22px;
  box-sizing: border-box;
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23cccccc" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 6px center;
  background-size: 8px;
}

select:hover {
  background-color: var(--vscode-menu-hover);
  border-color: var(--vscode-focus-border);
}

select:focus {
  outline: none;
}

input[type="text"] {
  background: var(--vscode-input-bg);
  color: var(--vscode-foreground);
  border: 1px solid var(--vscode-input-border);
  border-radius: 2px;
  padding: 3px 8px;
  font-size: 11px;
  font-family: inherit;
  height: 22px;
  box-sizing: border-box;
  outline: none;
}

input[type="text"]:focus {
  outline: none;
}

/* ================================================
   SETTINGS AND LAYOUT HELPERS
   ================================================ */
.row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.setting-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.setting-label {
  font-size: 11px;
  color: var(--vscode-foreground-muted);
  white-space: nowrap;
  margin-right: 2px;
}

/* ================================================
   DROP ZONES FOR FILE UPLOAD
   ================================================ */
#dropzones {
  display: flex;
  background: var(--vscode-panel);
  border-bottom: 0.5px solid var(--vscode-border);
  opacity: 0;
  transition: opacity 0.2s ease;
}

#dropzones.loaded {
  opacity: 1;
}

.drop {
  border: 0.5px solid var(--vscode-border);
  border-bottom: none;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--vscode-bg);
  position: relative;
}

.drop.over {
  border-color: var(--vscode-focus-border);
  box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.35) inset;
  background: var(--vscode-selection);
}

.drop small {
  color: var(--vscode-foreground-muted);
  font-size: 11px;
}

.drop .controls {
  display: flex;
  gap: 6px;
}

/* ================================================
   DIFF EDITOR CONTAINER
   ================================================ */
#diff {
  position: absolute;
  inset: 78px 0 0 0; /* Adjusted for topbar height */
}

/* Responsive adjustments */
@media (max-width: 900px) {
  #diff {
    inset: 120px 0 0 0;
  }
}

/* Compact layout for short viewports */
@media (max-height: 720px) {
  #diff {
    inset: 78px 0 0 0;
  }
}

/* ================================================
   UTILITY STYLES
   ================================================ */
.hint {
  color: var(--vscode-foreground-muted);
  font-size: 11px;
}

a {
  color: var(--vscode-text-link);
  text-decoration: none;
}

/* ================================================
   FULLSCREEN MODE
   ================================================ */
.fullscreen-btn {
  background: transparent;
  border: 1px solid var(--vscode-input-border);
  color: var(--vscode-foreground);
  border-radius: 2px;
  padding: 3px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  outline: none;
}

.fullscreen-btn:hover {
  border-color: var(--vscode-focus-border);
  background: var(--vscode-menu-hover);
}

.fullscreen-btn:focus {
  outline: none;
}

/* Fullscreen state modifications */
.fullscreen .topbar,
.fullscreen #dropzones {
  display: none;
}

.fullscreen #diff {
  inset: 0 !important;
}

.fullscreen-overlay {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1000;
  background: var(--vscode-toolbar);
  border: 1px solid var(--vscode-border);
  border-radius: 2px;
  padding: 4px;
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.fullscreen .fullscreen-overlay {
  opacity: 1;
}

.fullscreen .fullscreen-overlay:hover {
  opacity: 1 !important;
}

/* ================================================
   DIFF STATISTICS DISPLAY
   ================================================ */
.diff-stats {
  font-size: 11px;
  font-weight: bold;
  color: var(--vscode-foreground-muted);
  opacity: 0;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  margin-left: 8px;
}

.diff-stats.visible {
  opacity: 1;
}

.diff-stats .additions {
  color: #28a745;
}

.diff-stats .deletions {
  color: #d73a49;
}

/* ================================================
   ANIMATIONS AND LOADING STATES
   ================================================ */
@keyframes shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

.loading-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  background-size: 200px 100%;
  animation: shimmer 1.5s infinite;
}

/* ================================================
   MINIMAP TOGGLE CONTROL
   ================================================ */
.minimap-toggle {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: var(--vscode-toolbar);
  border: 1px solid var(--vscode-border);
  border-radius: 2px;
  padding: 4px 8px;
  font-size: 10px;
  color: var(--vscode-foreground-muted);
  cursor: pointer;
  z-index: 100;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.minimap-toggle:hover {
  opacity: 1;
  background: var(--vscode-menu-hover);
}

/* ================================================
   TOAST NOTIFICATIONS
   ================================================ */
.toast {
  position: fixed;
  top: 60px;
  right: 20px;
  background: var(--vscode-toolbar);
  border: 1px solid var(--vscode-border);
  border-radius: 4px;
  padding: 12px 16px;
  color: var(--vscode-foreground);
  font-size: 12px;
  z-index: 2000;
  transform: translateX(400px);
  transition: transform 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  max-width: 300px;
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  border-left: 3px solid #28a745;
}

.toast.error {
  border-left: 3px solid #d73a49;
}

.toast.info {
  border-left: 3px solid var(--vscode-text-link);
}

/* ================================================
   MODAL DIALOGS
   ================================================ */
/* Share modal */
.share-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.share-modal.show {
  opacity: 1;
  visibility: visible;
}

.share-content {
  background: var(--vscode-bg);
  border: 1px solid var(--vscode-border);
  border-radius: 6px;
  padding: 24px;
  max-width: 500px;
  width: 90%;
  position: relative;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.share-content h3 {
  margin: 0 0 16px 0;
  color: var(--vscode-foreground);
  font-size: 16px;
  font-weight: 500;
}

.share-content .close-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: var(--vscode-foreground-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  border-radius: 2px;
}

.share-content .close-btn:hover {
  background: var(--vscode-menu-hover);
  color: var(--vscode-foreground);
}

.share-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--vscode-border);
  border-radius: 4px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.share-option:hover {
  border-color: var(--vscode-focus-border);
  background: rgba(0, 122, 204, 0.1);
}

.share-option.selected {
  border-color: var(--vscode-focus-border);
  background: rgba(0, 122, 204, 0.15);
}

.share-option input[type="radio"] {
  margin: 2px 0 0 0;
  accent-color: var(--vscode-focus-border);
}

.share-option-content {
  flex: 1;
}

.share-option-title {
  font-weight: 500;
  color: var(--vscode-foreground);
  margin-bottom: 4px;
  font-size: 13px;
}

.share-option-description {
  color: var(--vscode-foreground-muted);
  font-size: 12px;
  line-height: 1.4;
}

.share-option-info {
  margin-top: 8px;
  padding: 8px;
  background: var(--vscode-input-bg);
  border-radius: 3px;
  font-size: 11px;
  color: var(--vscode-foreground-muted);
}

.share-option-warning {
  color: #f48771;
  background: rgba(244, 135, 113, 0.1);
}

.share-option-success {
  color: #89d185;
  background: rgba(137, 209, 133, 0.1);
}

.share-buttons {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--vscode-border);
}

.share-buttons .btn {
  min-width: 80px;
}

.url-preview {
  margin-top: 8px;
  padding: 8px;
  background: var(--vscode-input-bg);
  border: 1px solid var(--vscode-input-border);
  border-radius: 3px;
  font-family: monospace;
  font-size: 10px;
  color: var(--vscode-foreground-muted);
  word-break: break-all;
  max-height: 60px;
  overflow-y: auto;
}

/* Help modal */
.help-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.help-modal.show {
  opacity: 1;
  visibility: visible;
}

.help-content {
  background: var(--vscode-bg);
  border: 1px solid var(--vscode-border);
  border-radius: 6px;
  padding: 24px;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.help-content h3 {
  margin: 0 0 16px 0;
  color: var(--vscode-foreground);
  font-size: 16px;
}

.help-content .shortcut {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--vscode-border);
  font-size: 12px;
}

.help-content .shortcut:last-child {
  border-bottom: none;
}

.help-content .shortcut .key {
  background: var(--vscode-input-bg);
  border: 1px solid var(--vscode-input-border);
  border-radius: 3px;
  padding: 2px 6px;
  font-family: monospace;
  font-size: 10px;
}

.help-content .close-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: var(--vscode-foreground-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  border-radius: 2px;
}

.help-content .close-btn:hover {
  background: var(--vscode-menu-hover);
  color: var(--vscode-foreground);
}

/* Edit mode confirmation modal */
.edit-confirmation-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.edit-confirmation-modal.show {
  opacity: 1;
  visibility: visible;
}

.edit-confirmation-content {
  background: var(--vscode-bg);
  border: 1px solid var(--vscode-border);
  border-radius: 6px;
  padding: 24px;
  max-width: 480px;
  position: relative;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.edit-confirmation-content h3 {
  margin: 0 0 12px 0;
  color: var(--vscode-foreground);
  font-size: 16px;
  font-weight: 500;
}

.edit-confirmation-content p {
  margin: 0 0 20px 0;
  color: var(--vscode-foreground-muted);
  font-size: 13px;
  line-height: 1.4;
}

.edit-confirmation-buttons {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.edit-confirmation-buttons .btn {
  min-width: 80px;
}

/* ================================================
   MONACO EDITOR CUSTOMIZATIONS
   ================================================ */
/* Hide diff editor action buttons in gutter */
.monaco-diff-editor
  .gutter
  .gutterItem
  .buttons
  .monaco-toolbar
  .monaco-action-bar
  .actions-container
  .action-item
  .action-label {
  display: none;
}