/* ==========================================================================
   Prompt Helper — Core Design System & Dual-Theme Stylesheet
   ========================================================================== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- Root CSS Design Tokens (Theme A: Cyberpunk Dark Glassmorphism) --- */
:root,
[data-theme="cyberpunk"] {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #06b6d4;
  --border-glow: rgba(6, 182, 212, 0.35);

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #94a3b8;

  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.25);
  --accent-indigo: #6366f1;
  --accent-indigo-glow: rgba(99, 102, 241, 0.25);
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 100%);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(6, 182, 212, 0.15);

  --backdrop-blur: blur(16px);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  --font-heading: 'Outfit', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-code: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

/* --- Theme B: Minimalist Dark Mode (Raycast / Vercel Vibe) --- */
[data-theme="minimalist"] {
  --bg-primary: #09090b;
  --bg-secondary: #121215;
  --bg-card: #18181b;
  --bg-card-hover: #27272a;
  --bg-glass: rgba(255, 255, 255, 0.02);
  --border-color: #27272a;
  --border-focus: #e4e4e7;
  --border-glow: rgba(228, 228, 231, 0.2);

  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #a1a1aa;

  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.2);
  --accent-indigo: #818cf8;
  --accent-indigo-glow: rgba(129, 140, 248, 0.2);
  --accent-emerald: #34d399;
  --accent-rose: #fb7185;
  --accent-amber: #fbbf24;

  --gradient-primary: linear-gradient(135deg, #fafafa 0%, #a1a1aa 100%);
  --gradient-card: none;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.8);

  --backdrop-blur: none;
}

/* --- CSS Reset & Global Layout --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- Universal Cross-Browser Keyboard & Accessibility Focus Indicators --- */
:focus {
  outline: none;
}

:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible,
.btn:focus-visible,
.nav-item:focus-visible,
.cat-pill:focus-visible,
.tone-pill:focus-visible,
.guardrail-pill:focus-visible,
.custom-select:focus-visible,
.form-input:focus-visible,
.form-textarea:focus-visible,
.progress-dot:focus-visible,
.welcome-pill-btn:focus-visible,
.version-item:focus-visible,
.modal-star-btn:focus-visible,
.star-btn:focus-visible,
.command-palette-item:focus-visible {
  outline: 2px solid var(--accent-cyan) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 10px var(--accent-cyan-glow) !important;
}

/* Safari & Firefox fallback when :focus-visible is inactive */
.form-input:focus,
.form-textarea:focus,
.custom-select:focus,
.search-input:focus,
.btn:focus {
  border-color: var(--accent-cyan);
}

.form-input:focus,
.form-textarea:focus,
.custom-select:focus,
.search-input:focus {
  box-shadow: 0 0 0 2px var(--accent-cyan-glow);
}

/* High-Contrast & Colorblind Dual Focus Ring (Black + White) */
body.colorblind-mode :focus-visible,
body.colorblind-mode button:focus-visible,
body.colorblind-mode input:focus-visible,
body.colorblind-mode textarea:focus-visible,
body.colorblind-mode select:focus-visible,
body.colorblind-mode .btn:focus-visible,
body.colorblind-mode .nav-item:focus-visible,
body.colorblind-mode .cat-pill:focus-visible {
  outline: 3px solid #ffffff !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 4px #000000 !important;
}

/* --- Accessibility: Reduced Motion Media Query --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- Header Component --- */
.app-header {
  height: 68px;
  background-color: rgba(11, 15, 25, 0.85);
  backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.775rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-glass);
  border: 1px solid var(--border-color);
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.model-select-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 4px 12px;
}

.model-select-wrapper label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.custom-select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

.custom-select option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* Settings & Toggle Switch UI Component */
.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.settings-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-item-title {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-primary);
}

.settings-item-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Toggle Switch UI Component */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: 0.25s;
  border-radius: var(--radius-pill);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-muted);
  transition: 0.25s;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(18px);
  background-color: #ffffff;
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.btn:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  border: none;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.btn-primary:hover {
  opacity: 0.92;
  box-shadow: 0 0 20px var(--accent-cyan-glow);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.8rem;
}

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-md);
}

/* --- App Main Layout --- */
.app-container {
  display: flex;
  flex: 1;
  height: calc(100vh - 68px);
  overflow: hidden;
}

/* Sidebar Navigation */
.app-sidebar {
  width: 230px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  gap: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  font-family: inherit;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.nav-item:hover {
  color: var(--text-primary);
  background-color: var(--bg-glass);
}

.nav-item.active {
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  font-weight: 600;
}

.nav-icon {
  font-size: 1.1rem;
}

/* Main Content Workspace */
.main-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  position: relative;
}

.tab-content {
  display: none;
  flex: 1;
  padding: 24px;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
}

/* --- Prompt Studio Layout (2-Column Grid) --- */
.studio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  flex: 1;
  height: 100%;
}

.panel-card {
  background-color: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.panel-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(0, 0, 0, 0.15);
}

.panel-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-body {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Mode Switcher Pills */
.mode-toggle-group {
  display: none; /* Hidden by default for writers */
  background-color: var(--bg-primary);
  border-radius: var(--radius-pill);
  padding: 3px;
  border: 1px solid var(--border-color);
}

body.dev-mode .mode-toggle-group {
  display: flex;
}

.mode-pill {
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.mode-pill.active {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

/* Form Builder Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-input, .form-textarea {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.form-textarea {
  min-height: 80px;
  resize: vertical;
  font-family: var(--font-body);
}

.code-textarea {
  font-family: var(--font-code);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Guardrail & Tone Preset Pills */
.guardrail-pills-container, .tone-pills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.guardrail-pill, .tone-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.guardrail-pill:hover, .tone-pill:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.guardrail-pill.active, .tone-pill.active {
  background-color: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

/* Wizard Navigation Bar & Progress Dots */
.wizard-navigation-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 6px 0;
  border-top: 1px solid var(--border-color);
  margin-top: 12px;
}

.wizard-progress-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--border-color);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.25s ease;
}

.progress-dot:hover {
  background-color: var(--text-muted);
  transform: scale(1.2);
}

.progress-dot.active {
  background-color: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan-glow);
  transform: scale(1.25);
}

/* Raw Editor View */
.raw-editor-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.raw-textarea {
  flex: 1;
  min-height: 380px;
  font-family: var(--font-code);
  font-size: 0.875rem;
  line-height: 1.6;
  background-color: var(--bg-secondary);
}

/* Dynamic Variable Filling Panel */
.variables-container {
  background-color: rgba(6, 182, 212, 0.05);
  border: 1px dashed var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.variables-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}

.var-code-chip {
  font-family: var(--font-code);
  font-size: 0.775rem;
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  font-weight: 600;
}

.var-suggestion-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.var-suggestion-label {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-weight: 500;
}

.var-chip-btn {
  font-size: 0.775rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-code);
}

.var-chip-btn:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-1px);
}

.var-shortcut-tip {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* --- Live Rendered Preview Panel --- */
.preview-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-code);
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-primary);
  flex: 1;
  overflow-y: auto;
}

.preview-tag {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Health Score & Analytics Bar */
.analytics-bar {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.775rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.stat-value {
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.health-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Prompt Health Checklist Styles */
.health-checklist-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.health-check-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  gap: 12px;
  transition: border-color 0.2s ease;
}

.health-check-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.health-check-card.passed {
  border-left: 3px solid var(--accent-emerald);
}

.health-check-card.failing {
  border-left: 3px solid var(--accent-amber);
}

.health-check-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.health-check-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.health-check-tip {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.health-check-fix-btn {
  font-size: 0.775rem;
  padding: 4px 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* --- Unified Template Hub --- */
.hub-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.search-wrapper {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.search-input {
  width: 100%;
  padding-left: 36px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.category-pills {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.cat-pill {
  padding: 6px 14px;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.cat-pill:hover, .cat-pill.active {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.template-card {
  background-color: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.template-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
}

/* Skeleton Loading Cards & Shimmer Animation */
@keyframes shimmerAnim {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.skeleton-card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  min-height: 180px;
  pointer-events: none;
}

.skeleton-shimmer {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.03) 25%,
    rgba(255, 255, 255, 0.12) 50%,
    rgba(255, 255, 255, 0.03) 75%
  );
  background-size: 200% 100%;
  animation: shimmerAnim 1.4s infinite linear;
  border-radius: var(--radius-sm);
}

.skeleton-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.skeleton-title {
  height: 20px;
  width: 55%;
}

.skeleton-badge {
  height: 18px;
  width: 25%;
  border-radius: var(--radius-pill);
}

.skeleton-desc {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.skeleton-line {
  height: 12px;
  width: 100%;
}

.skeleton-line.short {
  width: 65%;
}

.skeleton-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.skeleton-tag {
  height: 14px;
  width: 28%;
}

.skeleton-btn {
  height: 28px;
  width: 38%;
  border-radius: var(--radius-md);
}

/* Draft Auto-Save Status Indicator */
.draft-saved-indicator {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-emerald);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
}

.draft-saved-indicator.saving {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  animation: pulseOpacity 0.8s infinite alternate ease-in-out;
}

@keyframes pulseOpacity {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

/* Diff Viewer Loading Spinner */
.diff-loading-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  height: 100%;
  min-height: 220px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.diff-spinner-ring {
  width: 34px;
  height: 34px;
  border: 3px solid rgba(6, 182, 212, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spinRing 0.8s linear infinite;
}

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

/* Lazy Load Sentinel Loader */
.template-sentinel-loader {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  margin-top: 10px;
  gap: 16px;
  flex-wrap: wrap;
}

.template-sentinel-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.template-sentinel-badge {
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.card-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
}

.badge-builtin {
  background-color: rgba(99, 102, 241, 0.15);
  color: var(--accent-indigo);
  border: 1px solid rgba(99, 102, 241, 0.3);
  font-size: 0.775rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.badge-custom {
  background-color: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  font-size: 0.775rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.card-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

/* Star Rating Widget Styles */
.vault-card-rating-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-top: 1px dashed var(--border-color);
  border-bottom: 1px dashed var(--border-color);
  margin: 4px 0;
}

.star-rating-widget {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}

.star-btn {
  background: transparent;
  border: none;
  font-size: 1.1rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 1px;
  line-height: 1;
  transition: transform 0.15s ease, color 0.15s ease, filter 0.15s ease;
  user-select: none;
}

.star-btn.active, .star-btn.hover {
  color: #f59e0b;
  text-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

.star-btn:hover {
  transform: scale(1.25);
}

.rating-score-label {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Vault Card Model Performance Notes Box */
.vault-card-notes {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 0.785rem;
  color: var(--text-secondary);
  line-height: 1.4;
  position: relative;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.vault-card-notes:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
}

.vault-card-notes-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 3px;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
}

.vault-notes-text {
  font-style: italic;
  color: var(--text-primary);
  word-break: break-word;
}

.vault-notes-placeholder {
  color: var(--text-muted);
  font-style: normal;
  display: flex;
  align-items: center;
  gap: 4px;
}

.vault-notes-placeholder:hover {
  color: var(--accent-cyan);
}

/* Modal Star Picker */
.modal-star-btn {
  background: transparent;
  border: none;
  font-size: 1.3rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  transition: transform 0.15s ease, color 0.15s ease;
}

.modal-star-btn.active, .modal-star-btn.hover {
  color: #f59e0b;
  text-shadow: 0 0 10px rgba(245, 158, 11, 0.6);
}

.modal-star-btn:hover {
  transform: scale(1.25);
}



/* Export Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal-overlay.active {
  display: flex;
}

.modal-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Version History Modal & Diff Viewer Custom Styles */
.history-modal-container {
  max-width: 1100px;
  height: 80vh;
}

.history-modal-body {
  flex-direction: row;
  height: calc(100% - 60px);
  overflow: hidden;
  padding: 0;
  gap: 0;
}

.history-sidebar {
  width: 320px;
  min-width: 320px;
  border-right: 1px solid var(--border-color);
  padding: 20px;
  display: flex;
  flex-direction: column;
  background-color: rgba(0, 0, 0, 0.15);
}

.version-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.version-item {
  background-color: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.version-item:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-cyan-glow);
}

.version-item.active {
  border-color: var(--accent-cyan);
  background-color: rgba(6, 182, 212, 0.08);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
}

.version-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.version-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

.version-item-time {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.version-item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.version-item-delete {
  background: transparent;
  border: none;
  color: var(--accent-rose);
  cursor: pointer;
  padding: 2px 4px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  opacity: 0.6;
  transition: opacity 0.2s;
}

.version-item-delete:hover {
  opacity: 1;
  background-color: rgba(244, 63, 94, 0.1);
}

.history-diff-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.05);
}

.diff-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(0, 0, 0, 0.1);
}

.diff-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.diff-output-box {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  font-family: var(--font-code);
  font-size: 0.85rem;
  line-height: 1.5;
  background-color: rgba(0, 0, 0, 0.2);
}

.diff-placeholder {
  color: var(--text-muted);
  text-align: center;
  padding-top: 100px;
  font-family: var(--font-body);
}

/* Diff highlights */
.diff-line {
  display: flex;
  width: 100%;
  white-space: pre-wrap;
  word-break: break-all;
  border-radius: 2px;
}

.diff-lineno {
  width: 40px;
  min-width: 40px;
  text-align: right;
  padding-right: 12px;
  color: var(--text-muted);
  user-select: none;
  border-right: 1px solid var(--border-color);
  margin-right: 12px;
}

.diff-content {
  flex: 1;
  padding-left: 4px;
}

.diff-line.diff-added {
  background-color: rgba(16, 185, 129, 0.16);
  color: #a7f3d0;
  border-left: 4px solid var(--accent-emerald);
}

.diff-line.diff-added .diff-lineno {
  color: #34d399;
  background-color: rgba(16, 185, 129, 0.12);
  font-weight: 700;
}

.diff-line.diff-removed {
  background-color: rgba(244, 63, 94, 0.16);
  color: #fecdd3;
  border-left: 4px dashed var(--accent-rose);
}

.diff-line.diff-removed .diff-lineno {
  color: #fb7185;
  background-color: rgba(244, 63, 94, 0.12);
  font-weight: 700;
}

.diff-line.diff-context {
  color: var(--text-primary);
  border-left: 4px solid transparent;
}

.export-options-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.export-options-tabs .dev-only {
  display: none;
}

body.dev-mode .export-options-tabs .dev-only {
  display: inline-block;
}

/* Toast Notifications System */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 300;
  max-width: 380px;
  width: calc(100vw - 32px);
  pointer-events: none;
}

.toast {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg), 0 4px 16px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  pointer-events: auto;
  cursor: pointer;
  animation: toastSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transition: transform 0.2s ease, opacity 0.2s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.toast:hover {
  transform: translateY(-2px);
}

.toast.toast-dismissing {
  animation: toastSlideOut 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastSlideIn {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes toastSlideOut {
  from { transform: translateX(0); opacity: 0; transform: scale(0.95); }
  to { transform: translateX(120%); opacity: 0; }
}

/* Toast Semantic Types */
.toast.toast-success {
  border-color: rgba(16, 185, 129, 0.5);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), var(--bg-card));
}
.toast.toast-success .toast-icon {
  color: var(--accent-emerald);
}

.toast.toast-warning {
  border-color: rgba(245, 158, 11, 0.5);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), var(--bg-card));
}
.toast.toast-warning .toast-icon {
  color: var(--accent-amber);
}

.toast.toast-error {
  border-color: rgba(244, 63, 94, 0.5);
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.12), var(--bg-card));
}
.toast.toast-error .toast-icon {
  color: var(--accent-rose);
}

.toast.toast-info {
  border-color: rgba(6, 182, 212, 0.5);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), var(--bg-card));
}
.toast.toast-info .toast-icon {
  color: var(--accent-cyan);
}

.toast-content {
  flex: 1;
  line-height: 1.4;
  word-break: break-word;
}

.toast-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 4px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background-color 0.15s ease;
  line-height: 1;
}

.toast-close-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.1);
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background-color: var(--accent-cyan);
  width: 100%;
  transform-origin: left center;
  animation: toastProgressBar linear forwards;
}

.toast.toast-success .toast-progress { background-color: var(--accent-emerald); }
.toast.toast-warning .toast-progress { background-color: var(--accent-amber); }
.toast.toast-error .toast-progress { background-color: var(--accent-rose); }
.toast.toast-info .toast-progress { background-color: var(--accent-cyan); }

@keyframes toastProgressBar {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

.toast:hover .toast-progress {
  animation-play-state: paused;
}

/* Draft Saved Indicator Styles */
.draft-saved-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.775rem;
  font-weight: 500;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  opacity: 0.9;
  transition: opacity 0.3s ease, background 0.3s ease, color 0.3s ease;
  user-select: none;
}

.draft-saved-indicator.saving {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.25);
}

.draft-saved-indicator.hidden {
  opacity: 0;
}



/* Command Palette Custom Styles */
.command-palette-container {
  max-width: 580px;
  margin-top: 10vh;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(6, 182, 212, 0.2);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.command-palette-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(0, 0, 0, 0.2);
}

.command-palette-search span {
  font-size: 1.25rem;
  color: var(--accent-cyan);
}

.command-palette-search input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 1.1rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  outline: none;
}

.command-palette-search input::placeholder {
  color: var(--text-muted);
}

.command-palette-list {
  max-height: 380px;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.command-palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  background-color: transparent;
  transition: background-color 0.2s, border-color 0.2s;
  border: 1px solid transparent;
}

.command-palette-item:hover,
.command-palette-item.active {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-cyan-glow);
}

.command-palette-item.active {
  background-color: rgba(6, 182, 212, 0.08);
  border-color: var(--accent-cyan);
}

.command-palette-item-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.command-palette-item-icon {
  font-size: 1.1rem;
  width: 20px;
  display: flex;
  justify-content: center;
}

.command-palette-item-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.command-palette-item-kbd {
  font-family: var(--font-code);
  font-size: 0.775rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* Constraints Guardrail Quick-Pills Custom Styles */
.guardrail-pills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  margin-bottom: 12px;
}

/* Constraints Guardrail & Tone Preset Tooltips */
.guardrail-pill, .tone-pill {
  position: relative;
}

/* Styled Hover, Focus & Touch Tooltip explanation */
.guardrail-pill::after,
.tone-pill::after {
  content: attr(data-rule);
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  background-color: var(--bg-primary);
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 0.775rem;
  font-weight: 500;
  width: 220px;
  text-align: center;
  white-space: normal;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.guardrail-pill::before,
.tone-pill::before {
  content: "";
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  border-width: 5px;
  border-style: solid;
  border-color: var(--accent-cyan) transparent transparent transparent;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 100;
}

.guardrail-pill:hover::after,
.guardrail-pill:hover::before,
.guardrail-pill:focus-visible::after,
.guardrail-pill:focus-visible::before,
.guardrail-pill:focus::after,
.guardrail-pill:focus::before,
.tone-pill:hover::after,
.tone-pill:hover::before,
.tone-pill:focus-visible::after,
.tone-pill:focus-visible::before,
.tone-pill:focus::after,
.tone-pill:focus::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.guardrail-pill:hover,
.tone-pill:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(6, 182, 212, 0.4);
  color: var(--text-primary);
}

.guardrail-pill.active,
.tone-pill.active {
  background-color: rgba(6, 182, 212, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
}

/* Visual Token Breakdown & Cost Allocation Bar Custom Styles */
.token-breakdown-wrapper {
  margin-top: 16px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.token-breakdown-bar {
  height: 10px;
  width: 100%;
  border-radius: var(--radius-pill);
  background-color: rgba(255, 255, 255, 0.05);
  display: flex;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.token-segment {
  height: 100%;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.token-segment.seg-role { 
  background-color: var(--accent-cyan); 
}
.token-segment.seg-context { 
  background: repeating-linear-gradient(45deg, #6366f1, #6366f1 4px, #4f46e5 4px, #4f46e5 8px); 
}
.token-segment.seg-task { 
  background: repeating-linear-gradient(-45deg, #10b981, #10b981 4px, #059669 4px, #059669 8px); 
}
.token-segment.seg-constraints { 
  background: repeating-linear-gradient(90deg, #f43f5e, #f43f5e 4px, #e11d48 4px, #e11d48 8px); 
}
.token-segment.seg-outputFormat { 
  background: repeating-linear-gradient(0deg, #f59e0b, #f59e0b 3px, #d97706 3px, #d97706 6px); 
}
.token-segment.seg-fewShot { 
  background: radial-gradient(circle, #a855f7 35%, #7e22ce 36%);
  background-size: 8px 8px;
  background-color: #9333ea;
}
.token-segment.seg-raw { 
  background-color: var(--text-secondary); 
}

.token-breakdown-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.legend-dot.seg-role { background-color: var(--accent-cyan); }
.legend-dot.seg-context { 
  background: repeating-linear-gradient(45deg, #6366f1, #6366f1 2px, #4f46e5 2px, #4f46e5 4px); 
}
.legend-dot.seg-task { 
  background: repeating-linear-gradient(-45deg, #10b981, #10b981 2px, #059669 2px, #059669 4px); 
}
.legend-dot.seg-constraints { 
  background: repeating-linear-gradient(90deg, #f43f5e, #f43f5e 2px, #e11d48 2px, #e11d48 4px); 
}
.legend-dot.seg-outputFormat { 
  background: repeating-linear-gradient(0deg, #f59e0b, #f59e0b 2px, #d97706 2px, #d97706 4px); 
}
.legend-dot.seg-fewShot { 
  background: radial-gradient(circle, #a855f7 40%, #7e22ce 41%);
  background-size: 6px 6px;
  background-color: #9333ea;
}
.legend-dot.seg-raw { background-color: var(--text-secondary); }

.legend-val {
  font-weight: 600;
  color: var(--text-primary);
}

/* Drag and Drop Importer Overlay Custom Styles */
#dropOverlay {
  background-color: rgba(11, 15, 25, 0.9);
  border: 4px dashed var(--accent-cyan);
  margin: 16px;
  border-radius: var(--radius-lg);
  pointer-events: none;
  z-index: 500;
  transition: opacity 0.2s ease-in-out;
}

.drop-overlay-content {
  transform: scale(0.95);
  animation: pulseScale 2s infinite alternate ease-in-out;
}

.drop-overlay-icon {
  animation: floatIcon 2s infinite alternate ease-in-out;
}

@keyframes pulseScale {
  from { transform: scale(0.95); }
  to { transform: scale(1.05); }
}

@keyframes floatIcon {
  from { transform: translateY(0); }
  to { transform: translateY(-15px); }
}

@media (max-width: 992px) {
  .studio-grid {
    grid-template-columns: 1fr;
  }
  .app-sidebar {
    width: 70px;
    align-items: center;
  }
  .nav-text {
    display: none;
  }
}

/* Step Header Styles inside Form Builder */
.form-step-section {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 20px;
  margin-bottom: 20px;
}
.form-step-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}
.form-step-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.form-step-header .step-num {
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--accent-cyan);
  color: var(--bg-primary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}
.form-step-header .step-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

/* --- Wizard Mode Styles --- */
.wizard-toggle-group {
  display: flex;
  background-color: var(--bg-primary);
  border-radius: var(--radius-pill);
  padding: 3px;
  border: 1px solid var(--border-color);
}

.wizard-navigation-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  margin-top: 20px;
}

.wizard-progress-dots {
  display: flex;
  gap: 8px;
}

.progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-dot:hover {
  background-color: var(--text-secondary);
}

.progress-dot.active {
  background-color: var(--accent-cyan);
  transform: scale(1.2);
  box-shadow: 0 0 8px var(--accent-cyan-glow);
}



/* --- Tone & Style Presets --- */
.tone-pills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.tone-pill {
  font-size: 0.775rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-glass);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.tone-pill:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--text-primary);
}

.tone-pill.active {
  background-color: rgba(99, 102, 241, 0.12);
  border-color: var(--accent-indigo);
  color: var(--accent-indigo);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

/* --- Inline Field Helper Explanations --- */
.field-helper {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
  margin-bottom: 8px;
  line-height: 1.45;
  font-weight: 400;
  display: block;
}

/* --- Link Buttons (like Insert Preset) --- */
.btn-link {
  font-size: 0.775rem;
  color: var(--accent-cyan);
  cursor: pointer;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  transition: all 0.2s ease;
  user-select: none;
}

.btn-link:hover {
  background-color: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan-glow);
}

/* --- Model Explanation Banner --- */
.explanation-banner {
  background-color: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 12px;
}

.explanation-banner strong {
  color: var(--accent-indigo);
}

/* --- In-App Confirmation & Input Modal Styles --- */
.confirm-modal-container {
  max-width: 460px;
}

.input-prompt-modal-container {
  max-width: 480px;
}

.btn-rose, .btn-danger {
  background-color: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: var(--accent-rose);
}

.btn-rose:hover, .btn-danger:hover {
  background-color: var(--accent-rose);
  color: #ffffff;
  border-color: var(--accent-rose);
  box-shadow: 0 0 15px rgba(244, 63, 94, 0.4);
}

/* --- First-Run Welcome Quick-Start Banner --- */
.welcome-banner {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(99, 102, 241, 0.08) 100%);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.welcome-banner-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.welcome-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.welcome-icon {
  font-size: 1.2rem;
  filter: drop-shadow(0 0 6px var(--accent-cyan-glow));
}

.welcome-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0 0 16px 0;
}

.welcome-steps-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.welcome-step-item {
  background-color: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.welcome-step-badge {
  background-color: var(--accent-cyan);
  color: var(--bg-primary);
  font-weight: 800;
  font-size: 0.8rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.welcome-step-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.welcome-step-item strong {
  font-size: 0.85rem;
  color: var(--text-primary);
}

.welcome-step-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.welcome-examples-row {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  margin: 14px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.welcome-examples-label {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.welcome-example-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.welcome-pill-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.785rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.welcome-pill-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

.welcome-pill-btn:active {
  transform: translateY(0);
}

/* Dice roll animation for Surprise Me button */
@keyframes diceSpin {
  0% { transform: rotate(0deg) scale(1.2); }
  50% { transform: rotate(360deg) scale(1.3); }
  100% { transform: rotate(720deg) scale(1); }
}

.dice-spinning {
  display: inline-block !important;
  animation: diceSpin 0.65s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Flash pulse animation when loading an example prompt */
@keyframes loadedHighlight {
  0% {
    box-shadow: 0 0 0 2px var(--accent-cyan), 0 0 16px var(--accent-cyan-glow);
    border-color: var(--accent-cyan);
  }
  50% {
    box-shadow: 0 0 0 2px var(--accent-cyan), 0 0 12px var(--accent-cyan-glow);
    border-color: var(--accent-cyan);
  }
  100% {
    box-shadow: none;
    border-color: var(--border-color);
  }
}

.field-loaded-highlight {
  animation: loadedHighlight 1.5s ease-out;
}

.welcome-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   Responsive Breakpoints: Tablet & Mobile
   ========================================================================== */

/* --- Tablet Portrait Mode (<= 1024px in portrait orientation) --- */
@media (orientation: portrait) and (max-width: 1024px) {
  .app-container {
    flex-direction: column;
    height: auto;
    overflow: visible;
  }

  .app-sidebar {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    padding: 8px 16px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .main-workspace {
    overflow-y: visible;
    height: auto;
  }

  .studio-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    height: auto;
  }
}

/* --- Tablet / Medium Devices (<= 992px) --- */
@media (max-width: 992px) {
  .app-container {
    flex-direction: column;
    height: auto;
    overflow: visible;
  }

  .app-sidebar {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    padding: 8px 16px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .nav-item {
    width: auto;
    padding: 8px 14px;
    flex-shrink: 0;
  }

  .main-workspace {
    overflow-y: visible;
    height: auto;
  }

  .studio-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    height: auto;
  }

  .tab-content {
    padding: 16px;
  }

  .template-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

/* --- Mobile Devices (<= 640px) --- */
@media (max-width: 640px) {
  .app-header {
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 10px;
  }

  .brand {
    gap: 8px;
  }

  .brand h1 {
    font-size: 1.1rem;
  }

  .header-controls {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
  }

  .model-select-wrapper {
    flex: 1;
    min-width: 140px;
    padding: 4px 8px;
  }

  .model-select-wrapper label {
    display: none;
  }

  .panel-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .preview-actions {
    flex-wrap: wrap;
    gap: 6px;
  }

  .analytics-bar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 12px;
  }

  .modal-container {
    width: 95vw;
    padding: 24px 16px 16px;
    max-height: 92vh;
    border-radius: var(--radius-lg);
  }

  .welcome-steps-row {
    grid-template-columns: 1fr;
  }

  .welcome-banner {
    padding: 14px 16px;
  }

  .token-breakdown-wrapper {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- Touch Device (Mobile/Tablet) Gestures & Shortcut Optimizations --- */
.modal-drag-handle {
  display: none;
}

@media (hover: none) and (pointer: coarse) {
  /* Hide non-actionable keyboard combo badges on touch devices */
  .modal-esc-hint,
  .command-palette-item-kbd,
  .shortcut-keys kbd,
  .field-kbd-hint {
    display: none !important;
  }

  /* Replace keyboard instructions with touch hints */
  .shortcuts-table .shortcut-keys::after {
    content: "⚡ Tap action";
    font-size: 0.775rem;
    color: var(--accent-cyan);
    font-weight: 600;
  }

  /* Mobile Touch Bottom-Sheet Drag Handle */
  .modal-drag-handle {
    display: block;
    width: 44px;
    height: 5px;
    background-color: var(--text-muted);
    border-radius: var(--radius-pill);
    margin: -10px auto 14px auto;
    opacity: 0.5;
    cursor: grab;
    transition: opacity 0.2s ease, background-color 0.2s ease;
  }

  .modal-drag-handle:active {
    opacity: 0.9;
    background-color: var(--accent-cyan);
  }

  /* Optimize touch target sizes for mobile */
  .btn, .cat-pill, .guardrail-pill, .tone-pill, .nav-item {
    min-height: 38px;
    touch-action: manipulation;
  }
}

/* ==========================================================================
   Rich Empty States Design System
   ========================================================================== */
.empty-state-card {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 44px 24px;
  background-color: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  margin: 12px 0;
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.2s ease-out;
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 10px var(--accent-cyan-glow));
  line-height: 1;
}

.empty-state-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.empty-state-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.command-palette-empty {
  padding: 24px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.command-palette-empty-icon {
  font-size: 1.75rem;
  margin-bottom: 2px;
}

.command-palette-empty-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.command-palette-empty-hints {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 4px;
}

.command-palette-empty-hints span {
  color: var(--accent-cyan);
  font-family: var(--font-code);
  font-size: 0.75rem;
  padding: 2px 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 0 2px;
  display: inline-block;
}

/* ==========================================================================
   Keyboard Shortcuts Modal Design
   ========================================================================== */
.modal-esc-hint {
  display: inline-flex;
  align-items: center;
}

.modal-esc-hint kbd {
  font-family: var(--font-code);
  font-size: 0.725rem;
  padding: 2px 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-muted);
}

.shortcuts-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.shortcuts-group-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin: 0;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-color);
}

.shortcuts-table {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.shortcut-row:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan-glow);
}

.shortcut-desc {
  font-size: 0.85rem;
  color: var(--text-primary);
}

.shortcut-desc code {
  font-family: var(--font-code);
  color: var(--accent-cyan);
  font-size: 0.8rem;
}

.shortcut-keys {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.shortcut-keys kbd {
  font-family: var(--font-code);
  font-size: 0.775rem;
  font-weight: 600;
  padding: 2px 7px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-bottom: 2px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  color: var(--text-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.shortcut-or,
.shortcut-then {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0 2px;
}

/* ==========================================================================
   Colorblind & High-Contrast Mode System
   ========================================================================== */
body.colorblind-mode {
  --border-color: rgba(255, 255, 255, 0.24);
  --border-focus: #38bdf8;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  --accent-cyan: #38bdf8;
  --accent-indigo: #818cf8;
  --accent-emerald: #2dd4bf; /* High-contrast teal */
  --accent-rose: #f43f5e;
  --accent-amber: #fbbf24;
}

/* High Contrast Outlines & Focus in Colorblind Mode */
body.colorblind-mode .btn {
  border-width: 2px;
  font-weight: 700;
}

body.colorblind-mode .btn:focus-visible,
body.colorblind-mode .form-input:focus-visible,
body.colorblind-mode .form-textarea:focus-visible,
body.colorblind-mode .cat-pill:focus-visible {
  outline: 3px solid #38bdf8 !important;
  outline-offset: 2px;
}

body.colorblind-mode .cat-pill.active,
body.colorblind-mode .guardrail-pill.active,
body.colorblind-mode .tone-pill.active {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 1px;
  background-color: var(--bg-card-hover);
  color: #ffffff;
}

/* Dual-Coded Diff Highlights in Colorblind Mode */
body.colorblind-mode .diff-line.diff-added {
  background-color: rgba(2, 132, 199, 0.28);
  color: #f0f9ff;
  border-left: 6px solid #0284c7;
}

body.colorblind-mode .diff-line.diff-added .diff-lineno {
  background-color: rgba(2, 132, 199, 0.35);
  color: #bae6fd;
}

body.colorblind-mode .diff-line.diff-removed {
  background-color: rgba(225, 29, 72, 0.28);
  color: #fff1f2;
  border-left: 6px dashed #e11d48;
}

body.colorblind-mode .diff-line.diff-removed .diff-lineno {
  background-color: rgba(225, 29, 72, 0.35);
  color: #fecdd3;
}

/* Dual-Coded Status Badges */
.status-pill-dual {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 700;
  font-size: 0.775rem;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
}

.status-pill-dual.pass {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.4);
}

.status-pill-dual.warn {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.4);
}

.status-pill-dual.fail {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.4);
}

/* ==========================================================================
   Prompt Chain Builder Styles
   ========================================================================== */

.chain-tracker-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.chain-tracker-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.825rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.chain-tracker-step:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.chain-tracker-step.active {
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

.chain-tracker-step.completed {
  color: var(--accent-emerald);
}

.chain-tracker-arrow {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.chain-steps-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chain-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-cyan);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: border-color 0.2s ease;
}

.chain-step-card:hover {
  border-color: var(--accent-cyan);
}

.chain-step-card.step-completed {
  border-left-color: var(--accent-emerald);
}

.chain-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.chain-step-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.chain-step-number-badge {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.chain-step-name-input {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  outline: none;
  flex: 1;
  max-width: 380px;
  transition: border-color 0.2s;
}

.chain-step-name-input:focus,
.chain-step-name-input:hover {
  border-color: var(--border-color);
  background: rgba(0, 0, 0, 0.2);
}

.chain-step-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chain-step-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .chain-step-grid {
    grid-template-columns: 1fr;
  }
}

.chain-step-editor-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chain-step-runner-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
}

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

.chain-runner-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}

.chain-prompt-preview-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-code);
  font-size: 0.785rem;
  line-height: 1.5;
  color: var(--text-primary);
  max-height: 160px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.chain-output-textarea {
  width: 100%;
  height: 100px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 0.8rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease;
}

.chain-output-textarea:focus {
  border-color: var(--accent-cyan);
}

.chain-flow-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 6px 0;
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.85;
}

.chain-flow-connector span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   Prompt Compression & Token Optimizer Styles
   ========================================================================== */

/* Optimizer Chip in Stats Bar */
.compress-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.45);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-size: 0.775rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
  animation: pulseCompressGlow 2.5s infinite ease-in-out;
}

.compress-chip:hover {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.35), rgba(139, 92, 246, 0.35));
  border-color: var(--accent-cyan);
  transform: translateY(-1px);
  box-shadow: 0 0 14px rgba(6, 182, 212, 0.3);
}

@keyframes pulseCompressGlow {
  0%, 100% { box-shadow: 0 0 6px rgba(6, 182, 212, 0.2); }
  50% { box-shadow: 0 0 14px rgba(6, 182, 212, 0.45); }
}

/* Compression Stats Banner */
.compress-stats-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}

.compress-stat-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 100px;
}

.compress-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.compress-stat-val {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.compress-stat-card.highlight .compress-stat-val {
  color: var(--accent-cyan);
}

.compress-stat-card.saved .compress-stat-val {
  color: var(--accent-emerald);
}

.compress-stat-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 700;
}

/* Rule Option Checkboxes */
.compress-rules-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.compress-option-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.compress-option-checkbox input[type="checkbox"] {
  accent-color: var(--accent-cyan);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.compress-option-checkbox:hover {
  color: var(--text-primary);
}

/* Diff / Preview Box */
.compress-preview-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.compress-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-card-hover);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.compress-badge {
  font-size: 0.75rem;
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.compress-diff-content {
  max-height: 260px;
  overflow-y: auto;
  padding: 14px;
  font-family: var(--font-code);
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.25);
}

.compress-diff-line {
  margin-bottom: 4px;
}

.compress-diff-line.added {
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.12);
  padding: 2px 6px;
  border-left: 3px solid var(--accent-emerald);
  border-radius: 2px;
}

.compress-diff-line.removed {
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.12);
  padding: 2px 6px;
  border-left: 3px solid var(--accent-rose);
  border-radius: 2px;
  text-decoration: line-through;
  opacity: 0.8;
}

.compress-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 640px) {
  .compress-stats-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .compress-stat-arrow {
    display: none;
  }
  .compress-footer-actions {
    flex-direction: column;
    align-items: stretch;
  }
}