/* ============================================================================
   URBot Unified Bot Tools CSS — D-1008 v2
   Foundation stylesheet for 90+ interactive tool suites.
   Covers: tool menus, tool cards, form elements, result display,
   layout helpers, quick actions, animations, responsive, print.

   CSS variable convention:
     --tools-*   tool-specific tokens (this file)
     --ubt-*     legacy tool framework tokens (preserved)
     --urbot-*   design-system tokens (urbot-design-tokens.css)
   ============================================================================ */


/* ============================================================================
   1. CSS CUSTOM PROPERTIES
   ============================================================================ */

:root {
  /* Primary tool tokens */
  --tools-accent:   #4fc3f7;
  --tools-bg:       #1a1a2e;
  --tools-surface:  #16213e;
  --tools-border:   #2a2a4a;
  --tools-text:     #e0e0e0;
  --tools-muted:    #888;
  --tools-success:  #4caf50;
  --tools-warning:  #ff9800;
  --tools-danger:   #f44336;

  /* Derived tokens */
  --tools-accent-dark: #0288d1;
  --tools-accent-glow: rgba(79, 195, 247, 0.25);
  --tools-radius:      8px;
  --tools-radius-sm:   4px;
  --tools-radius-lg:   12px;
  --tools-radius-pill: 9999px;
  --tools-shadow:      0 4px 16px rgba(0, 0, 0, 0.3);
  --tools-shadow-lg:   0 8px 32px rgba(0, 0, 0, 0.4);
  --tools-font:        'Segoe UI', system-ui, -apple-system, sans-serif;
  --tools-font-mono:   'Cascadia Code', 'Fira Code', Consolas, monospace;
  --tools-transition:  0.2s ease;

  /* Legacy compatibility aliases (ubt- namespace) */
  --ubt-bg:          var(--tools-bg);
  --ubt-card-bg:     var(--tools-surface);
  --ubt-border:      var(--tools-border);
  --ubt-text:        var(--tools-text);
  --ubt-muted:       var(--tools-muted);
  --ubt-accent:      var(--tools-accent);
  --ubt-accent-dark: var(--tools-accent-dark);
  --ubt-success:     var(--tools-success);
  --ubt-error:       var(--tools-danger);
  --ubt-radius:      var(--tools-radius);
}

/* Theme overrides via data-theme attribute */
[data-theme="gamer"] {
  --tools-accent:      #00ff88;
  --tools-accent-dark: #00cc66;
  --tools-accent-glow: rgba(0, 255, 136, 0.25);
  --tools-bg:          #0d0d0d;
  --tools-surface:     #111111;
  --tools-border:      rgba(0, 255, 136, 0.2);
}

[data-theme="ocean"] {
  --tools-accent:      #0ea5e9;
  --tools-accent-dark: #0284c7;
  --tools-accent-glow: rgba(14, 165, 233, 0.25);
  --tools-bg:          #0a1628;
  --tools-surface:     #0d1f38;
  --tools-border:      rgba(14, 165, 233, 0.2);
}

[data-theme="scholar"] {
  --tools-accent:      #d4a537;
  --tools-accent-dark: #b8860b;
  --tools-accent-glow: rgba(212, 165, 55, 0.25);
  --tools-bg:          #0f172a;
  --tools-surface:     #131d36;
  --tools-border:      rgba(212, 165, 55, 0.2);
}

[data-theme="medic"] {
  --tools-accent:      #3b82f6;
  --tools-accent-dark: #2563eb;
  --tools-accent-glow: rgba(59, 130, 246, 0.25);
  --tools-bg:          #0c1929;
  --tools-surface:     #0f2038;
  --tools-border:      rgba(59, 130, 246, 0.2);
}

[data-theme="creative"] {
  --tools-accent:      #a855f7;
  --tools-accent-dark: #7c3aed;
  --tools-accent-glow: rgba(168, 85, 247, 0.28);
  --tools-bg:          #0d0d0d;
  --tools-surface:     #141418;
  --tools-border:      rgba(168, 85, 247, 0.2);
}

[data-theme="business"] {
  --tools-accent:      #6366f1;
  --tools-accent-dark: #4f46e5;
  --tools-accent-glow: rgba(99, 102, 241, 0.22);
  --tools-bg:          #111827;
  --tools-surface:     #161e30;
  --tools-border:      rgba(99, 102, 241, 0.18);
}

[data-theme="farm"] {
  --tools-accent:      #8b7355;
  --tools-accent-dark: #6b563e;
  --tools-accent-glow: rgba(139, 115, 85, 0.25);
  --tools-bg:          #1a150e;
  --tools-surface:     #211c13;
  --tools-border:      rgba(139, 115, 85, 0.25);
}

[data-theme="garden"] {
  --tools-accent:      #4a7c4f;
  --tools-accent-dark: #3a6a3f;
  --tools-accent-glow: rgba(74, 124, 79, 0.25);
  --tools-bg:          #0f1a0f;
  --tools-surface:     #142214;
  --tools-border:      rgba(74, 124, 79, 0.25);
}

[data-theme="mountain"] {
  --tools-accent:      #94a3b8;
  --tools-accent-dark: #64748b;
  --tools-accent-glow: rgba(148, 163, 184, 0.2);
  --tools-bg:          #1a1e2e;
  --tools-surface:     #1f2437;
  --tools-border:      rgba(148, 163, 184, 0.18);
}


/* ============================================================================
   2. TOOL MENU (.urbot-tool-menu)
   Floating panel listing available tools for a bot.
   Grid of cards with icon, name, description, tier badge.
   ============================================================================ */

.urbot-tool-menu {
  position: relative;
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius-lg);
  padding: 16px;
  box-shadow: var(--tools-shadow-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  max-height: 480px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--tools-border) transparent;
  animation: tool-fade-in 0.3s ease;
}

.urbot-tool-menu::-webkit-scrollbar { width: 5px; }
.urbot-tool-menu::-webkit-scrollbar-track { background: transparent; }
.urbot-tool-menu::-webkit-scrollbar-thumb {
  background: var(--tools-border);
  border-radius: 3px;
}

.urbot-tool-menu-title {
  font-size: 0.85em;
  font-weight: 600;
  color: var(--tools-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--tools-border);
}

.urbot-tool-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.urbot-tool-menu-category {
  grid-column: 1 / -1;
  font-size: 0.75em;
  font-weight: 600;
  color: var(--tools-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 8px 0 4px;
  padding-top: 8px;
  border-top: 1px solid var(--tools-border);
}

.urbot-tool-menu-category:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.urbot-tool-menu-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--tools-bg);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius);
  cursor: pointer;
  transition: border-color var(--tools-transition),
              background var(--tools-transition),
              transform var(--tools-transition);
}

.urbot-tool-menu-item:hover {
  border-color: var(--tools-accent);
  background: rgba(79, 195, 247, 0.04);
  transform: translateY(-1px);
}

.urbot-tool-menu-icon {
  font-size: 1.4em;
  flex-shrink: 0;
  line-height: 1;
}

.urbot-tool-menu-info {
  flex: 1;
  min-width: 0;
}

.urbot-tool-menu-name {
  font-size: 0.85em;
  font-weight: 600;
  color: var(--tools-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.urbot-tool-menu-desc {
  font-size: 0.75em;
  color: var(--tools-muted);
  margin-top: 2px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.urbot-tool-menu-tier {
  font-size: 0.65em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: var(--tools-radius-sm);
  flex-shrink: 0;
  align-self: flex-start;
}

.urbot-tool-menu-tier[data-tier="free"] {
  background: rgba(76, 175, 80, 0.15);
  color: var(--tools-success);
}

.urbot-tool-menu-tier[data-tier="full"] {
  background: rgba(79, 195, 247, 0.15);
  color: var(--tools-accent);
}

.urbot-tool-menu-tier[data-tier="pro"] {
  background: rgba(255, 152, 0, 0.15);
  color: var(--tools-warning);
}


/* ============================================================================
   3. TOOL CARD CHROME (.urbot-tool-card)
   Header with icon + title + close, content area, footer actions.
   ============================================================================ */

.urbot-tool-card {
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius-lg);
  margin: 12px 0;
  overflow: hidden;
  animation: tool-slide-up 0.3s ease;
}

.urbot-tool-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--tools-border);
}

.urbot-tool-card-icon {
  font-size: 1.4em;
  flex-shrink: 0;
}

.urbot-tool-card-titles {
  flex: 1;
  min-width: 0;
}

.urbot-tool-card-title {
  font-size: 1em;
  font-weight: 600;
  color: var(--tools-text);
  margin: 0;
}

.urbot-tool-card-subtitle {
  font-size: 0.8em;
  color: var(--tools-muted);
  margin: 2px 0 0;
}

.urbot-tool-card-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--tools-border);
  border-radius: 50%;
  color: var(--tools-muted);
  font-size: 1em;
  cursor: pointer;
  transition: color var(--tools-transition),
              border-color var(--tools-transition);
  flex-shrink: 0;
}

.urbot-tool-card-close:hover {
  color: var(--tools-danger);
  border-color: var(--tools-danger);
}

.urbot-tool-card-body {
  padding: 16px;
}

.urbot-tool-card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--tools-border);
  background: rgba(0, 0, 0, 0.15);
}

.urbot-tool-card-footer .tool-btn {
  font-size: 0.8em;
}


/* ============================================================================
   4. FORM ELEMENTS
   Text inputs, selects, textareas, range sliders, checkboxes,
   radios, labels, groups, buttons.
   ============================================================================ */

/* --- Labels & Groups --- */

.tool-label {
  display: block;
  font-size: 0.8em;
  font-weight: 600;
  color: var(--tools-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 5px;
}

.tool-group {
  margin-bottom: 14px;
}

.tool-group:last-child {
  margin-bottom: 0;
}

/* --- Text / Number Inputs --- */

.tool-input {
  width: 100%;
  padding: 9px 12px;
  background: var(--tools-bg);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius);
  color: var(--tools-text);
  font-size: 0.9em;
  font-family: var(--tools-font);
  box-sizing: border-box;
  transition: border-color var(--tools-transition),
              box-shadow var(--tools-transition);
}

.tool-input::placeholder {
  color: var(--tools-muted);
  opacity: 0.7;
}

.tool-input:focus {
  outline: none;
  border-color: var(--tools-accent);
  box-shadow: 0 0 0 3px var(--tools-accent-glow);
}

.tool-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Selects --- */

.tool-select {
  width: 100%;
  padding: 9px 32px 9px 12px;
  background: var(--tools-bg);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius);
  color: var(--tools-text);
  font-size: 0.9em;
  font-family: var(--tools-font);
  cursor: pointer;
  box-sizing: border-box;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color var(--tools-transition),
              box-shadow var(--tools-transition);
}

.tool-select:focus {
  outline: none;
  border-color: var(--tools-accent);
  box-shadow: 0 0 0 3px var(--tools-accent-glow);
}

.tool-select option {
  background: var(--tools-bg);
  color: var(--tools-text);
}

/* --- Textarea --- */

.tool-textarea {
  width: 100%;
  min-height: 80px;
  padding: 9px 12px;
  background: var(--tools-bg);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius);
  color: var(--tools-text);
  font-size: 0.9em;
  font-family: var(--tools-font);
  box-sizing: border-box;
  resize: vertical;
  transition: border-color var(--tools-transition),
              box-shadow var(--tools-transition);
}

.tool-textarea::placeholder {
  color: var(--tools-muted);
  opacity: 0.7;
}

.tool-textarea:focus {
  outline: none;
  border-color: var(--tools-accent);
  box-shadow: 0 0 0 3px var(--tools-accent-glow);
}

/* --- Range Sliders --- */

.tool-range {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--tools-border);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.tool-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  background: var(--tools-accent);
  border-radius: 50%;
  border: 2px solid var(--tools-surface);
  box-shadow: 0 0 0 2px var(--tools-accent-glow);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.tool-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.tool-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--tools-accent);
  border-radius: 50%;
  border: 2px solid var(--tools-surface);
  box-shadow: 0 0 0 2px var(--tools-accent-glow);
  cursor: pointer;
}

.tool-range::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 3px;
}

.tool-range::-moz-range-track {
  height: 6px;
  background: var(--tools-border);
  border-radius: 3px;
  border: none;
}

.tool-range::-moz-range-progress {
  background: var(--tools-accent);
  border-radius: 3px;
  height: 6px;
}

/* --- Checkboxes --- */

.tool-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.9em;
  color: var(--tools-text);
  user-select: none;
}

.tool-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--tools-accent);
  cursor: pointer;
  flex-shrink: 0;
}

/* --- Radios --- */

.tool-radio {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.9em;
  color: var(--tools-text);
  user-select: none;
}

.tool-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--tools-accent);
  cursor: pointer;
  flex-shrink: 0;
}

/* --- Buttons --- */

.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--tools-radius);
  font-size: 0.9em;
  font-weight: 600;
  font-family: var(--tools-font);
  cursor: pointer;
  background: var(--tools-accent);
  color: #000;
  transition: opacity var(--tools-transition),
              transform var(--tools-transition),
              box-shadow var(--tools-transition);
  white-space: nowrap;
}

.tool-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px var(--tools-accent-glow);
}

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

.tool-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.tool-btn-secondary {
  background: transparent;
  border: 1px solid var(--tools-border);
  color: var(--tools-muted);
}

.tool-btn-secondary:hover {
  border-color: var(--tools-accent);
  color: var(--tools-accent);
  background: rgba(79, 195, 247, 0.06);
  box-shadow: none;
}

.tool-btn-danger {
  background: var(--tools-danger);
  color: #fff;
}

.tool-btn-danger:hover {
  box-shadow: 0 2px 8px rgba(244, 67, 54, 0.3);
}

.tool-btn-sm {
  padding: 5px 10px;
  font-size: 0.8em;
}

.tool-btn-lg {
  padding: 12px 24px;
  font-size: 1em;
}


/* ============================================================================
   5. RESULT DISPLAY
   Result containers, cards, tables, charts, progress bars, meters,
   badges, and tags.
   ============================================================================ */

/* --- Result Container --- */

.tool-result {
  margin-top: 14px;
  padding: 14px;
  background: var(--tools-bg);
  border-radius: var(--tools-radius);
  border-left: 3px solid var(--tools-accent);
  animation: tool-fade-in 0.3s ease;
}

.tool-result-title {
  color: var(--tools-accent);
  font-size: 1em;
  font-weight: 600;
  margin: 0 0 8px;
}

.tool-result-summary {
  color: var(--tools-text);
  font-size: 0.9em;
  margin: 0 0 10px;
  line-height: 1.5;
}

/* --- Result Card --- */

.tool-result-card {
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius);
  padding: 14px;
  margin-bottom: 10px;
  transition: border-color var(--tools-transition);
}

.tool-result-card:hover {
  border-color: var(--tools-accent);
}

.tool-result-card:last-child {
  margin-bottom: 0;
}

/* --- Data Tables --- */

.tool-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85em;
  margin: 10px 0;
}

.tool-result-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.tool-result-table th {
  text-align: left;
  padding: 8px 10px;
  color: var(--tools-accent);
  font-weight: 600;
  background: var(--tools-surface);
  border-bottom: 2px solid var(--tools-border);
  white-space: nowrap;
}

.tool-result-table td {
  padding: 7px 10px;
  color: var(--tools-text);
  border-bottom: 1px solid var(--tools-border);
}

.tool-result-table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}

.tool-result-table tbody tr:hover td {
  background: rgba(79, 195, 247, 0.05);
}

.tool-result-table td.numeric,
.tool-result-table th.numeric {
  text-align: right;
  font-family: var(--tools-font-mono);
}

/* --- Chart Container --- */

.tool-chart-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 12px 0;
  background: var(--tools-bg);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-chart-container svg,
.tool-chart-container canvas {
  max-width: 100%;
  max-height: 100%;
}

/* --- Progress Bar --- */

.tool-progress-bar {
  width: 100%;
  height: 8px;
  background: var(--tools-border);
  border-radius: 4px;
  overflow: hidden;
  margin: 8px 0;
}

.tool-progress-bar-fill {
  height: 100%;
  background: var(--tools-accent);
  border-radius: 4px;
  transition: width 0.5s ease;
  min-width: 2px;
}

.tool-progress-bar-fill.success { background: var(--tools-success); }
.tool-progress-bar-fill.warning { background: var(--tools-warning); }
.tool-progress-bar-fill.danger  { background: var(--tools-danger); }

/* --- Meter (gauge) --- */

.tool-meter {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0;
}

.tool-meter-track {
  flex: 1;
  height: 10px;
  background: var(--tools-border);
  border-radius: 5px;
  overflow: hidden;
  position: relative;
}

.tool-meter-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.5s ease;
  background: linear-gradient(90deg, var(--tools-danger), var(--tools-warning), var(--tools-success));
}

.tool-meter-value {
  font-size: 0.85em;
  font-weight: 700;
  color: var(--tools-accent);
  min-width: 36px;
  text-align: right;
  font-family: var(--tools-font-mono);
}

/* --- Badges --- */

.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--tools-radius-sm);
  font-size: 0.75em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tool-badge-success {
  background: rgba(76, 175, 80, 0.15);
  color: var(--tools-success);
}

.tool-badge-warning {
  background: rgba(255, 152, 0, 0.15);
  color: var(--tools-warning);
}

.tool-badge-danger {
  background: rgba(244, 67, 54, 0.15);
  color: var(--tools-danger);
}

.tool-badge-info {
  background: rgba(79, 195, 247, 0.15);
  color: var(--tools-accent);
}

/* --- Tags --- */

.tool-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--tools-bg);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius-pill);
  font-size: 0.72em;
  color: var(--tools-text);
  white-space: nowrap;
}

.tool-tag-accent {
  border-color: var(--tools-accent);
  color: var(--tools-accent);
}


/* ============================================================================
   6. LAYOUT HELPERS
   Grid, flex, stack, divider, section.
   ============================================================================ */

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 14px;
}

.tool-flex {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-flex-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.tool-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tool-divider {
  border: none;
  border-top: 1px solid var(--tools-border);
  margin: 14px 0;
}

.tool-section {
  margin-bottom: 20px;
}

.tool-section:last-child {
  margin-bottom: 0;
}

.tool-section-heading {
  font-size: 0.8em;
  font-weight: 600;
  color: var(--tools-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--tools-border);
}

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

.tool-spacer {
  flex: 1;
}


/* ============================================================================
   7. QUICK ACTIONS (.urbot-quick-actions)
   Horizontal scrolling pill bar above chat input.
   ============================================================================ */

.urbot-quick-actions {
  display: flex;
  gap: 6px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.urbot-quick-actions::-webkit-scrollbar {
  display: none;
}

.urbot-quick-action {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius-pill);
  color: var(--tools-text);
  font-size: 0.8em;
  font-family: var(--tools-font);
  white-space: nowrap;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--tools-transition),
              background var(--tools-transition),
              color var(--tools-transition);
}

.urbot-quick-action:hover {
  border-color: var(--tools-accent);
  background: rgba(79, 195, 247, 0.08);
  color: var(--tools-accent);
}

.urbot-quick-action.active {
  background: var(--tools-accent);
  border-color: var(--tools-accent);
  color: #000;
  font-weight: 600;
}

.urbot-quick-action-icon {
  font-size: 1.1em;
  line-height: 1;
}


/* ============================================================================
   8. LEGACY FRAMEWORK CLASSES (ubt-* namespace)
   Preserved for backward compatibility with urbot-tool-framework.js
   and all 90+ tool suite JS files.
   ============================================================================ */

.ubt-tool-card {
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius);
  padding: 16px;
  margin: 12px 0;
}

.ubt-tool-header {
  margin-bottom: 12px;
}

.ubt-tool-icon {
  font-size: 1.4em;
  margin-right: 8px;
  vertical-align: middle;
}

.ubt-tool-name {
  font-size: 1.1em;
  font-weight: 600;
  color: var(--tools-text);
}

.ubt-tool-desc {
  color: var(--tools-muted);
  font-size: 0.85em;
  margin: 4px 0 0;
}

.ubt-field {
  margin-bottom: 12px;
}

.ubt-label {
  display: block;
  color: var(--tools-muted);
  font-size: 0.85em;
  margin-bottom: 4px;
}

.ubt-input {
  width: 100%;
  background: var(--tools-bg);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius-sm);
  color: var(--tools-text);
  padding: 8px 10px;
  font-size: 0.9em;
  box-sizing: border-box;
  transition: border-color var(--tools-transition),
              box-shadow var(--tools-transition);
}

.ubt-input:focus {
  outline: none;
  border-color: var(--tools-accent);
  box-shadow: 0 0 0 3px var(--tools-accent-glow);
}

.ubt-input-textarea {
  resize: vertical;
  min-height: 60px;
}

.ubt-input-select {
  cursor: pointer;
}

.ubt-input-range {
  padding: 4px 0;
}

.ubt-range-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ubt-range-value {
  color: var(--tools-accent);
  font-weight: 600;
  min-width: 30px;
  text-align: right;
}

.ubt-checkbox-label {
  color: var(--tools-text);
  cursor: pointer;
  font-size: 0.9em;
}

.ubt-input-checkbox {
  width: auto;
  margin-right: 6px;
}

.ubt-hint {
  display: block;
  color: var(--tools-muted);
  font-size: 0.75em;
  margin-top: 2px;
}

/* List input */
.ubt-list-wrap {
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius-sm);
  padding: 8px;
  background: var(--tools-bg);
}

.ubt-list-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.ubt-list-chip {
  background: var(--tools-accent-dark);
  color: #fff;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.8em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ubt-list-remove {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 1em;
  padding: 0 2px;
}

.ubt-list-add {
  display: flex;
  gap: 6px;
}

.ubt-list-entry {
  flex: 1;
}

/* Buttons */
.ubt-btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--tools-radius-sm);
  cursor: pointer;
  font-size: 0.9em;
  font-weight: 500;
  transition: opacity var(--tools-transition);
}

.ubt-btn:hover { opacity: 0.85; }
.ubt-btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.ubt-btn-run {
  background: var(--tools-accent);
  color: #000;
}

.ubt-btn-export {
  background: transparent;
  border: 1px solid var(--tools-border);
  color: var(--tools-muted);
  margin-left: 8px;
}

.ubt-btn-upgrade {
  background: linear-gradient(135deg, var(--tools-accent), var(--tools-accent-dark));
  color: #fff;
  text-decoration: none;
  display: inline-block;
}

.ubt-tool-actions {
  margin-top: 12px;
  display: flex;
  align-items: center;
}

/* Results */
.ubt-result {
  margin-top: 12px;
  padding: 12px;
  background: var(--tools-bg);
  border-radius: var(--tools-radius-sm);
  border-left: 3px solid var(--tools-accent);
}

.ubt-result-title {
  color: var(--tools-accent);
  margin: 0 0 8px;
  font-size: 1em;
}

.ubt-result-summary {
  color: var(--tools-text);
  margin: 0 0 8px;
}

.ubt-result-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin: 8px 0;
}

.ubt-result-dl dt {
  color: var(--tools-muted);
  font-size: 0.85em;
}

.ubt-result-dl dd {
  color: var(--tools-text);
  margin: 0;
}

.ubt-result-list {
  list-style: none;
  padding: 0;
  margin: 8px 0;
}

.ubt-result-list li {
  padding: 4px 0;
  border-bottom: 1px solid var(--tools-border);
  color: var(--tools-text);
  font-size: 0.9em;
}

.ubt-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 0.85em;
}

.ubt-table th {
  color: var(--tools-accent);
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--tools-border);
}

.ubt-table td {
  color: var(--tools-text);
  padding: 6px 8px;
  border-bottom: 1px solid var(--tools-border);
}

.ubt-table tr:hover td {
  background: rgba(79, 195, 247, 0.05);
}

.ubt-chart {
  margin: 8px 0;
  text-align: center;
}

.ubt-chart-label {
  fill: var(--tools-muted);
  font-size: 8px;
}

.ubt-recommendations {
  margin-top: 12px;
  padding: 8px;
  background: rgba(76, 175, 80, 0.08);
  border-radius: var(--tools-radius-sm);
}

.ubt-recommendations h5 {
  color: var(--tools-success);
  margin: 0 0 6px;
  font-size: 0.9em;
}

.ubt-recommendations li {
  color: var(--tools-text);
  font-size: 0.85em;
  margin: 4px 0;
}

.ubt-disclaimer {
  color: var(--tools-muted);
  font-size: 0.75em;
  font-style: italic;
  margin-top: 8px;
}

.ubt-error {
  color: var(--tools-danger);
  font-size: 0.85em;
  padding: 8px;
}

/* Tool menu (legacy inline pill style) */
.ubt-menu {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 8px 0;
}

.ubt-menu-item {
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius-pill);
  padding: 6px 14px;
  color: var(--tools-text);
  cursor: pointer;
  font-size: 0.85em;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: border-color var(--tools-transition);
}

.ubt-menu-item:hover {
  border-color: var(--tools-accent);
}


/* ============================================================================
   9. LEGACY QUICK ACTIONS (uqa-* namespace)
   ============================================================================ */

.uqa-bar {
  display: flex;
  gap: 6px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.uqa-bar::-webkit-scrollbar { display: none; }

.uqa-pill {
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius-pill);
  padding: 6px 14px;
  color: var(--tools-text);
  cursor: pointer;
  font-size: 0.8em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: border-color var(--tools-transition), background var(--tools-transition);
  flex-shrink: 0;
}

.uqa-pill:hover {
  border-color: var(--tools-accent);
  background: rgba(79, 195, 247, 0.08);
}

.uqa-icon { font-size: 1.1em; }


/* ============================================================================
   10. FEATURE GATES
   ============================================================================ */

.ubt-gate {
  text-align: center;
  padding: 20px;
  border: 1px dashed var(--tools-border);
  border-radius: var(--tools-radius);
  margin: 12px 0;
}

.ubt-gate-lock {
  font-size: 2em;
  margin-bottom: 8px;
}

.ubt-gate-msg {
  color: var(--tools-muted);
  margin: 0 0 12px;
  font-size: 0.9em;
}


/* ============================================================================
   11. VOICE CONTROLS
   ============================================================================ */

.uv-btn {
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--tools-muted);
  transition: color var(--tools-transition), border-color var(--tools-transition);
}

.uv-btn:hover {
  color: var(--tools-accent);
  border-color: var(--tools-accent);
}

.uv-btn.uv-active {
  color: var(--tools-danger);
  border-color: var(--tools-danger);
  animation: uv-pulse 1.5s infinite;
}

@keyframes uv-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(244, 67, 54, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(244, 67, 54, 0); }
}

.uv-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tools-danger);
  animation: uv-pulse 1s infinite;
  position: absolute;
  top: -2px;
  right: -2px;
}


/* ============================================================================
   12. BRANCHING SIDEBAR
   ============================================================================ */

.ubr-sidebar {
  padding: 12px;
  background: var(--tools-surface);
  border-left: 1px solid var(--tools-border);
  min-width: 180px;
}

.ubr-title {
  color: var(--tools-muted);
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 8px;
}

.ubr-item {
  padding: 8px;
  border-radius: var(--tools-radius-sm);
  cursor: pointer;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background var(--tools-transition);
}

.ubr-item:hover { background: rgba(79, 195, 247, 0.05); }

.ubr-item.ubr-active {
  background: rgba(79, 195, 247, 0.1);
  border-left: 2px solid var(--tools-accent);
}

.ubr-label {
  flex: 1;
  color: var(--tools-text);
  font-size: 0.85em;
}

.ubr-count {
  color: var(--tools-muted);
  font-size: 0.75em;
}

.ubr-delete {
  background: none;
  border: none;
  color: var(--tools-muted);
  cursor: pointer;
  font-size: 1.1em;
}

.ubr-delete:hover { color: var(--tools-danger); }


/* ============================================================================
   13. HANDOFF CARD
   ============================================================================ */

.ubh-card {
  background: var(--tools-surface);
  border: 1px solid var(--tools-accent);
  border-radius: var(--tools-radius);
  padding: 14px;
  margin: 12px 0;
}

.ubh-suggestion {
  color: var(--tools-text);
  margin: 0 0 6px;
}

.ubh-reason {
  color: var(--tools-muted);
  font-size: 0.85em;
  margin: 0 0 12px;
}

.ubh-actions {
  display: flex;
  gap: 8px;
}

.ubh-accept {
  background: var(--tools-accent);
  color: #000;
}

.ubh-decline {
  background: transparent;
  border: 1px solid var(--tools-border);
  color: var(--tools-muted);
}


/* ============================================================================
   14. ACHIEVEMENTS
   ============================================================================ */

.ua-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 0;
}

.ua-badge {
  background: var(--tools-surface);
  border: 1px solid var(--tools-border);
  border-radius: var(--tools-radius);
  padding: 8px 12px;
  text-align: center;
  min-width: 80px;
}

.ua-badge-icon {
  font-size: 1.6em;
  display: block;
}

.ua-badge-name {
  font-size: 0.7em;
  color: var(--tools-muted);
  margin-top: 4px;
  display: block;
}

.ua-empty {
  color: var(--tools-muted);
  font-size: 0.85em;
  text-align: center;
  padding: 20px;
}

.ua-progress-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ua-progress-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--tools-radius-sm);
  background: var(--tools-surface);
}

.ua-progress-item.ua-unlocked {
  border-left: 2px solid var(--tools-success);
}

.ua-progress-icon { font-size: 1.4em; }
.ua-progress-info { flex: 1; }

.ua-progress-name {
  color: var(--tools-text);
  font-weight: 600;
  font-size: 0.85em;
  display: block;
}

.ua-progress-desc {
  color: var(--tools-muted);
  font-size: 0.75em;
  display: block;
}

.ua-progress-bar {
  height: 4px;
  background: var(--tools-border);
  border-radius: 2px;
  margin-top: 4px;
  overflow: hidden;
}

.ua-progress-fill {
  height: 100%;
  background: var(--tools-accent);
  border-radius: 2px;
  transition: width 0.4s ease;
}

.ua-progress-count {
  color: var(--tools-muted);
  font-size: 0.7em;
}

/* Unlock animation */
.ua-unlock-overlay {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  opacity: 0;
  transform: translateY(-20px) scale(0.9);
  transition: opacity 0.4s, transform 0.4s;
  pointer-events: none;
}

.ua-unlock-overlay.ua-unlock-show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.ua-unlock-card {
  background: var(--tools-surface);
  border: 1px solid var(--tools-accent);
  border-radius: var(--tools-radius);
  padding: 16px 24px;
  text-align: center;
  box-shadow: 0 8px 30px var(--tools-accent-glow);
}

.ua-unlock-icon { font-size: 2.5em; }
.ua-unlock-title { color: var(--tools-accent); font-size: 0.85em; font-weight: 600; margin-top: 4px; }
.ua-unlock-name { color: var(--tools-text); font-size: 1.1em; font-weight: 700; }
.ua-unlock-desc { color: var(--tools-muted); font-size: 0.8em; margin-top: 2px; }


/* ============================================================================
   15. SESSION IO
   ============================================================================ */

.usi-export-btn,
.usi-import-btn {
  background: transparent;
  border: 1px solid var(--tools-border);
  color: var(--tools-muted);
}

.usi-export-btn:hover,
.usi-import-btn:hover {
  border-color: var(--tools-accent);
  color: var(--tools-accent);
}


/* ============================================================================
   16. ANIMATIONS
   ============================================================================ */

.tool-fade-in {
  animation: tool-fade-in 0.3s ease both;
}

.tool-slide-up {
  animation: tool-slide-up 0.3s ease both;
}

.tool-pulse {
  animation: tool-pulse 1s ease;
}

@keyframes tool-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes tool-slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tool-pulse {
  0%   { box-shadow: 0 0 0 0 var(--tools-accent-glow); }
  50%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

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

.tool-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--tools-border);
  border-top-color: var(--tools-accent);
  border-radius: 50%;
  animation: tool-spin 0.8s linear infinite;
}

.tool-spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}


/* ============================================================================
   17. RESPONSIVE
   ============================================================================ */

@media (max-width: 600px) {
  /* Tool menu: 2 columns to 1 column */
  .urbot-tool-menu-grid {
    grid-template-columns: 1fr;
  }

  .urbot-tool-menu {
    max-height: 60vh;
  }

  /* Tool cards: full width, reduced padding */
  .urbot-tool-card {
    border-radius: var(--tools-radius);
  }

  .urbot-tool-card-body {
    padding: 12px;
  }

  .urbot-tool-card-header {
    padding: 10px 12px;
  }

  .urbot-tool-card-footer {
    padding: 10px 12px;
    flex-wrap: wrap;
  }

  /* Legacy tool card */
  .ubt-tool-card {
    padding: 12px;
  }

  .ubt-tool-actions {
    flex-direction: column;
    gap: 8px;
  }

  .ubt-btn-export {
    margin-left: 0;
  }

  /* Quick actions: tighter on mobile */
  .urbot-quick-action {
    padding: 5px 10px;
    font-size: 0.75em;
  }

  .uqa-pill {
    padding: 5px 10px;
    font-size: 0.75em;
  }

  /* Grid fallback */
  .tool-grid {
    grid-template-columns: 1fr;
  }

  /* Tables: enable horizontal scroll */
  .tool-result-table {
    display: block;
    overflow-x: auto;
  }

  /* Branching sidebar */
  .ubr-sidebar {
    min-width: 140px;
    padding: 8px;
  }

  /* Achievements */
  .ua-badges {
    gap: 4px;
  }

  .ua-badge {
    min-width: 60px;
    padding: 6px 8px;
  }

  /* Font size scale-down */
  .tool-label {
    font-size: 0.75em;
  }

  .tool-input,
  .tool-select,
  .tool-textarea {
    font-size: 0.85em;
    padding: 8px 10px;
  }

  .tool-btn {
    padding: 8px 14px;
    font-size: 0.85em;
  }

  .tool-result {
    padding: 10px;
  }

  .tool-result-table {
    font-size: 0.8em;
  }
}

/* Narrow phone support (320px) */
@media (max-width: 360px) {
  .urbot-tool-card-header {
    padding: 8px 10px;
    gap: 8px;
  }

  .urbot-tool-card-title {
    font-size: 0.9em;
  }

  .urbot-tool-card-body {
    padding: 10px;
  }

  .tool-btn {
    padding: 7px 12px;
    font-size: 0.8em;
  }

  .urbot-quick-action {
    padding: 4px 8px;
    font-size: 0.7em;
  }
}


/* ============================================================================
   18. REDUCED MOTION
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
  .urbot-tool-card,
  .urbot-tool-menu,
  .tool-fade-in,
  .tool-slide-up,
  .tool-pulse,
  .tool-spinner,
  .tool-progress-bar-fill,
  .tool-meter-fill,
  .ua-progress-fill,
  .ua-unlock-overlay,
  .uv-btn.uv-active {
    animation: none !important;
    transition: none !important;
  }

  .tool-range::-webkit-slider-thumb {
    transition: none;
  }
}


/* ============================================================================
   19. PRINT STYLES
   ============================================================================ */

@media print {
  /* Hide interactive elements */
  .urbot-tool-menu,
  .urbot-tool-card-close,
  .urbot-tool-card-footer,
  .urbot-quick-actions,
  .ubt-menu,
  .uqa-bar,
  .ubt-tool-actions,
  .ubt-gate,
  .uv-btn,
  .ubr-sidebar,
  .ubr-delete,
  .ubh-actions,
  .ua-unlock-overlay,
  .usi-export-btn,
  .usi-import-btn,
  .tool-btn,
  .tool-spinner {
    display: none !important;
  }

  /* White background, dark text */
  .urbot-tool-card,
  .ubt-tool-card,
  .tool-result,
  .ubt-result,
  .tool-result-card,
  .ubt-recommendations {
    background: #fff !important;
    color: #000 !important;
    border-color: #ccc !important;
    box-shadow: none !important;
  }

  .urbot-tool-card-header {
    border-bottom-color: #ccc !important;
  }

  .urbot-tool-card-title,
  .ubt-tool-name,
  .tool-result-title,
  .ubt-result-title {
    color: #000 !important;
  }

  .urbot-tool-card-subtitle,
  .ubt-tool-desc,
  .tool-result-summary,
  .ubt-result-summary {
    color: #333 !important;
  }

  .tool-result-table th,
  .ubt-table th {
    color: #000 !important;
    background: #f5f5f5 !important;
    border-bottom-color: #999 !important;
  }

  .tool-result-table td,
  .ubt-table td {
    color: #000 !important;
    border-bottom-color: #ccc !important;
  }

  .tool-badge,
  .tool-tag {
    border: 1px solid #999 !important;
    color: #000 !important;
    background: #f9f9f9 !important;
  }

  .tool-progress-bar {
    background: #ddd !important;
  }

  .tool-progress-bar-fill {
    background: #666 !important;
  }

  .tool-meter-track {
    background: #ddd !important;
  }

  .tool-meter-fill {
    background: #666 !important;
  }

  .tool-meter-value {
    color: #000 !important;
  }

  /* Show tool results at full width */
  .tool-result,
  .ubt-result {
    border-left-color: #666 !important;
    page-break-inside: avoid;
  }

  .urbot-tool-card {
    page-break-inside: avoid;
  }
}

/* ── Chat Widget Tool Integration (D-1002) ─────────────────────── */

.urbot-chat-tools-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  color: #ccc;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.1s;
  padding: 0;
  line-height: 1;
}

.urbot-chat-tools-btn:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  transform: scale(1.05);
}

.urbot-chat-tools-btn:active {
  transform: scale(0.95);
}

.urbot-tool-result-msg .urbot-chat-msg-avatar {
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.urbot-tool-nudge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin: 6px 0;
  background: rgba(79, 195, 247, 0.08);
  border: 1px solid rgba(79, 195, 247, 0.2);
  border-radius: 8px;
  font-size: 13px;
  color: #a0d8ef;
  animation: utfc-slide-in 0.2s ease-out;
}

.urbot-tool-nudge-btn {
  margin-left: auto;
  padding: 4px 10px;
  background: rgba(79, 195, 247, 0.15);
  border: 1px solid rgba(79, 195, 247, 0.35);
  border-radius: 6px;
  color: #4fc3f7;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.urbot-tool-nudge-btn:hover {
  background: rgba(79, 195, 247, 0.25);
}