/* Global Styles & Variable Tokens */
:root {
  --font-main: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Premium HSL Dark Palette */
  --bg-main: #0a0e17;
  --bg-surface: #121824;
  --bg-card: #1b2336;
  --bg-editor: #0c101a;
  
  --color-primary: #3b82f6;      /* Blue */
  --color-primary-hover: #2563eb;
  --color-success: #10b981;      /* Emerald */
  --color-danger: #ef4444;       /* Rose */
  --color-warning: #f59e0b;      /* Amber */
  --color-muted: #8b9bb4;        /* Cool Gray */
  --color-text: #f1f5f9;         /* Off White */
  --color-text-dark: #0f172a;    /* Dark Gray */
  
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(27, 35, 54, 0.65);
  --glass-border: rgba(255, 255, 255, 0.05);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--color-text);
  overflow-x: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Screens Wrapper */
.screen {
  display: none;
  width: 100%;
  height: 100vh;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.screen.active {
  display: flex;
  flex-direction: column;
  opacity: 1;
}

/* Typography & Layout Elements */
h1 { font-size: 1.5rem; font-weight: 700; color: #fff; }
h2 { font-size: 1.25rem; font-weight: 600; color: #fff; }
h3 { font-size: 1rem; font-weight: 600; color: #fff; }
p { font-size: 0.9rem; color: var(--color-muted); }
code { font-family: var(--font-mono); color: var(--color-success); background: rgba(16, 185, 129, 0.1); padding: 2px 6px; border-radius: 4px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--color-text);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  background-color: var(--color-danger);
  color: #fff;
}
.btn-danger:hover {
  background-color: #dc2626;
}

.btn-block { width: 100%; }
.btn.sm { padding: 6px 12px; font-size: 0.8rem; border-radius: 6px; }

.btn-icon {
  background: transparent;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover {
  color: #fff;
  background-color: rgba(255,255,255,0.05);
}

.btn-icon-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all var(--transition-fast);
}
.btn-icon-text:hover {
  color: #fff;
  background-color: rgba(255,255,255,0.05);
}

/* Inputs & Form Elements */
.input-group {
  margin-bottom: 15px;
  width: 100%;
}
.input-group input, .input-group select {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  background-color: var(--bg-editor);
  border: 1px solid var(--border-color);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}
.input-group input:focus, .input-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Header Component */
.app-header {
  height: 70px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-primary);
  padding: 10px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 1. Landing Screen Custom Styling */
#login-screen {
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.08), transparent), var(--bg-main);
  align-items: center;
  justify-content: center;
}

.login-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 16px;
  width: 420px;
  max-width: 90%;
  box-shadow: var(--shadow-premium);
  text-align: center;
}

.login-logo {
  color: var(--color-primary);
  background: rgba(59,130,246,0.1);
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.login-card h2 { margin-bottom: 8px; }
.login-card p { margin-bottom: 30px; }

/* 2. Dashboard Screen Custom Styling */
.dashboard-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  padding: 24px;
  height: calc(100vh - 70px);
  overflow-y: auto;
}

.section-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-desc {
  margin-bottom: 15px;
  font-size: 0.85rem;
}

.presentations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  overflow-y: auto;
  flex: 1;
}

.presentation-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
  cursor: pointer;
}
.presentation-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -8px rgba(0,0,0,0.4);
}

.pres-meta {
  margin-top: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* Image Manager Dropzone */
.image-upload-form {
  margin-bottom: 20px;
  background-color: var(--bg-card);
  padding: 16px;
  border-radius: 8px;
  border: 1px dashed var(--border-color);
}

.file-dropzone {
  background-color: var(--bg-editor);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.file-dropzone:hover {
  border-color: var(--color-primary);
  background-color: rgba(59,130,246,0.02);
}

.dropzone-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.dropzone-text i { color: var(--color-primary); }

.user-images-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.image-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-card);
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.image-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.image-thumb {
  width: 40px;
  height: 30px;
  background-color: var(--bg-main);
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.05);
}

.image-item-meta {
  display: flex;
  flex-direction: column;
}
.image-item-meta strong { font-size: 0.85rem; color: #fff; }
.image-item-meta span { font-size: 0.7rem; color: var(--color-muted); }

/* 3. Workspace Layout */
.workspace-container {
  display: flex;
  height: calc(100vh - 70px);
  width: 100vw;
  overflow: hidden;
}

.workspace-tabs {
  width: 60px;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  gap: 16px;
  flex-shrink: 0;
}

.tab-btn {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.tab-btn:hover {
  color: #fff;
  background-color: rgba(255,255,255,0.05);
}
.tab-btn.active {
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.12);
}

.editor-pane {
  display: none;
  flex-direction: column;
  width: 40%;
  height: 100%;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  flex-shrink: 0;
}
.editor-pane.active { display: flex; }

.tab-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}
.tab-desc {
  padding: 12px 20px;
  font-size: 0.8rem;
  line-height: 1.4;
  border-bottom: 1px solid var(--border-color);
}

/* Prompt Box (PC & Mobile variations) */
.prompt-container {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.prompt-container.mobile-only {
  border-top: none;
  border-bottom: 1px solid var(--border-color);
}

.prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.model-select {
  padding: 4px 8px;
  background-color: var(--bg-editor);
  color: var(--color-text);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: var(--font-main);
  font-size: 0.8rem;
}

.prompt-input-row {
  display: flex;
  gap: 10px;
}

.prompt-text {
  flex: 1;
  height: 54px;
  background-color: var(--bg-editor);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 0.85rem;
  resize: none;
}
.prompt-text:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Code Editor Wrapper */
.code-editor-wrapper {
  flex: 1;
  width: 100%;
  overflow: hidden;
  position: relative;
}

.code-textarea {
  width: 100%;
  height: 100%;
  background-color: var(--bg-editor);
  color: var(--color-text);
  border: none;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  resize: none;
}
.code-textarea:focus {
  outline: none;
}

.editor-toolbar {
  height: 50px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background-color: var(--bg-surface);
}

.render-time-badge {
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* Warnings layout in Header */
.warnings-container {
  display: flex;
  align-items: center;
  gap: 6px;
}
.warning-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Timeline Layout */
.timeline-list {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.timeline-item {
  position: relative;
  padding-left: 24px;
  border-left: 2px solid var(--border-color);
}
.timeline-item::after {
  content: '';
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid var(--bg-surface);
}

.timeline-item-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-muted);
}
.timeline-prompt {
  font-size: 0.85rem;
  color: #fff;
  line-height: 1.4;
}

/* Preview Pane Container */
.preview-pane {
  flex: 1;
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-main);
  position: relative;
}

.pc-preview-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
}

.viewer-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  position: relative;
}

.slide-card-wrapper {
  flex: 1;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.slide-card {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background-color: #000;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-premium);
  display: flex;
  align-items: center;
  justify-content: center;
}

#slide-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
}

/* Bounding Box Marking Canvas Overlay */
#marking-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.nav-arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.nav-arrow:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.preview-toolbar {
  height: 60px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  padding: 0 24px;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.toolbar-right {
  display: flex;
  justify-content: flex-end;
}

.slide-pagination {
  font-size: 0.85rem;
  font-weight: 600;
}

.toolbar-center {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Coordinates selection popup */
.coordinates-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-success);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: 500;
}

.coordinates-badge.hidden { display: none; }

.btn-link {
  background: transparent;
  border: none;
  color: #fff;
  text-decoration: underline;
  cursor: pointer;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* Loader Styles */
.loader-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(10, 14, 23, 0.8);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
  z-index: 10;
}

.loader-overlay.visible {
  display: flex;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(59, 130, 246, 0.2);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Toast Notification Styles */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-surface);
  border-left: 4px solid var(--color-primary);
  padding: 12px 24px;
  border-radius: 6px;
  box-shadow: var(--shadow-premium);
  transform: translateY(150%);
  transition: transform var(--transition-normal);
  z-index: 2000;
}
.toast.visible {
  transform: translateY(0);
}
.toast.error {
  border-left-color: var(--color-danger);
}

/* Mobile & PC responsive Visibility controllers */
.mobile-only { display: none !important; }

/* Desktop vs Mobile Media Queries */
@media (max-width: 900px) {
  .pc-only { display: none !important; }
  .mobile-only { display: flex !important; }

  /* Dashboard Adjustments */
  .dashboard-content {
    grid-template-columns: 1fr;
    height: auto;
  }

  /* Workspace Layout on Mobile (Stacked columns) */
  .workspace-container {
    flex-direction: column;
    height: calc(100vh - 70px);
  }

  .workspace-tabs {
    width: 100vw;
    height: 50px;
    flex-direction: row;
    padding: 0 16px;
    justify-content: space-around;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .editor-pane {
    width: 100%;
    height: 50vh !important; /* Top panel default height */
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  /* Preview pane list layout at bottom on Mobile */
  .preview-pane {
    width: 100vw;
    flex: 1;
    overflow-y: auto;
  }

  .mobile-preview-container {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .mobile-slides-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .mobile-slide-wrapper {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .mobile-slide-header {
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
  }

  .mobile-slide-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: contain;
    background-color: #000;
  }
}

/* ── Diff Viewer Modal ───────────────────────────────────────── */
.diff-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.18s ease;
}
.diff-modal-overlay.hidden {
  display: none;
}

.diff-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.diff-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
  flex-shrink: 0;
  gap: 12px;
}

.diff-modal-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}
.diff-modal-title svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.diff-subtitle {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--color-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 2px 8px;
}

.diff-modal-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.diff-legend {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--color-muted);
}
.diff-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.diff-legend-box {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}
.diff-legend-item.removed .diff-legend-box { background: rgba(239, 68, 68, 0.35); border: 1px solid rgba(239, 68, 68, 0.5); }
.diff-legend-item.added   .diff-legend-box { background: rgba(16, 185, 129, 0.35); border: 1px solid rgba(16, 185, 129, 0.5); }

.diff-stats {
  padding: 8px 20px;
  font-size: 0.8rem;
  color: var(--color-muted);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-main);
  flex-shrink: 0;
  display: flex;
  gap: 16px;
}
.diff-stats .stat-added   { color: #10b981; font-weight: 600; }
.diff-stats .stat-removed { color: #ef4444; font-weight: 600; }

.diff-modal-body {
  overflow-y: auto;
  flex: 1;
  background: var(--bg-editor);
}

.diff-content {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  white-space: pre;
  tab-size: 2;
}

.diff-line {
  display: flex;
  min-width: 0;
}
.diff-line:hover {
  background: rgba(255,255,255,0.03);
}
.diff-line-nums {
  display: flex;
  flex-shrink: 0;
  user-select: none;
}
.diff-line-num {
  width: 48px;
  text-align: right;
  padding: 0 10px 0 8px;
  color: rgba(139,155,180,0.4);
  font-size: 0.72rem;
  border-right: 1px solid var(--border-color);
  line-height: 1.6;
}
.diff-line-num.active { color: var(--color-muted); }

.diff-line-sign {
  width: 22px;
  text-align: center;
  flex-shrink: 0;
  line-height: 1.6;
  font-weight: 700;
}

.diff-line-text {
  padding: 0 12px;
  flex: 1;
  min-width: 0;
  word-break: break-all;
  white-space: pre-wrap;
  line-height: 1.6;
}

/* Added line */
.diff-line.added {
  background: rgba(16, 185, 129, 0.1);
}
.diff-line.added .diff-line-sign { color: #10b981; }
.diff-line.added .diff-line-text { color: #6ee7b7; }

/* Removed line */
.diff-line.removed {
  background: rgba(239, 68, 68, 0.1);
}
.diff-line.removed .diff-line-sign { color: #ef4444; }
.diff-line.removed .diff-line-text { color: #fca5a5; }

/* Context (unchanged) line */
.diff-line.context .diff-line-sign { color: transparent; }
.diff-line.context .diff-line-text { color: #5a6a82; }

/* Hunk header */
.diff-line.hunk {
  background: rgba(59, 130, 246, 0.08);
  border-top: 1px solid rgba(59, 130, 246, 0.15);
  border-bottom: 1px solid rgba(59, 130, 246, 0.15);
}
.diff-line.hunk .diff-line-text {
  color: #60a5fa;
  font-style: italic;
  font-size: 0.72rem;
}
.diff-line.hunk .diff-line-sign { color: #3b82f6; }

@keyframes slideUp {
  from { transform: translateY(24px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}