/* ── Reset ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ══════════════════════════════════════════════════════════════════════════════
   THEME TOKENS
   One anchor hue (--h) drives every derived color.
   Each [data-theme] block sets only --h (and optional --s-shift for warmth).
   All other variables are computed from --h and never touch raw hex.
   ══════════════════════════════════════════════════════════════════════════════ */

:root {
  --h: 213;          /* fallback hue — overridden by [data-theme] */
  --s: 1;            /* saturation multiplier, 0–1 (most themes = 1) */
}

/* ── Named themes — only --h changes ────────────────────────────────────────── */
[data-theme="midnight"]   { --h: 213; }
[data-theme="twilight"]   { --h: 252; }
[data-theme="lagoon"]     { --h: 168; }
[data-theme="ember"]      { --h:  28; }
[data-theme="dusk"]       { --h: 288; }
[data-theme="scarlet"]    { --h: 348; }
[data-theme="horizon"]    { --h: 197; }
[data-theme="canopy"]     { --h: 138; }
[data-theme="terracotta"] { --h:  12; }
[data-theme="mist"]       { --h: 270; }
[data-theme="slate"]      { --h: 210; --s: 0.6; } /* intentionally desaturated */
[data-theme="citrus"]     { --h:  85; }

/* ── Derived color tokens ────────────────────────────────────────────────────── */
/* Every color in the UI references one of these tokens, never a raw hex. */

:root,
[data-theme] {
  /* Backgrounds */
  --bg-page:    hsl(var(--h), 18%, 8%);
  --bg-surface: hsl(var(--h), 15%, 13%);
  --bg-raised:  hsl(var(--h), 13%, 18%);
  --bg-input:   hsl(var(--h), 11%, 15%);

  /* Borders */
  --border:     hsl(var(--h), 18%, 22%);
  --border-sub: hsl(var(--h), 14%, 17%);

  /* Accent */
  --accent:     hsl(var(--h), 78%, 58%);
  --accent-dim: hsl(var(--h), 45%, 42%);
  --accent-glow:hsla(var(--h), 78%, 58%, 0.12);

  /* Text */
  --text-primary:   hsl(var(--h),  8%, 92%);
  --text-secondary: hsl(var(--h),  6%, 62%);
  --text-dim:       hsl(var(--h),  5%, 40%);
  --text-inverse:   hsl(var(--h), 10%,  8%);

  /* Semantic tones — shift hue relative to anchor for coherence */
  --tone-pos:  hsl(142, 55%, 48%);
  --tone-neg:  hsl(358, 62%, 54%);
  --tone-warn: hsl( 38, 78%, 52%);
  --tone-pos-bg:  hsla(142, 55%, 48%, 0.12);
  --tone-neg-bg:  hsla(358, 62%, 54%, 0.12);
  --tone-warn-bg: hsla( 38, 78%, 52%, 0.12);
  --tone-pos-border:  hsla(142, 55%, 48%, 0.30);
  --tone-neg-border:  hsla(358, 62%, 54%, 0.30);
  --tone-warn-border: hsla( 38, 78%, 52%, 0.30);

  /* Chip colors — hue-offset so they're always distinct from each other */
  --chip-tag-bg:    hsla(var(--h), 60%, 60%, 0.14);
  --chip-tag-fg:    hsl(var(--h), 60%, 72%);
  --chip-tag-bd:    hsla(var(--h), 60%, 60%, 0.28);

  /* Skill chips offset +40° */
  --chip-skill-bg:  hsla(calc(var(--h) + 40), 60%, 60%, 0.14);
  --chip-skill-fg:  hsl(calc(var(--h) + 40), 60%, 72%);
  --chip-skill-bd:  hsla(calc(var(--h) + 40), 60%, 60%, 0.28);

  /* Scratchpad chips offset +160° */
  --chip-sp-bg:     hsla(calc(var(--h) + 160), 60%, 60%, 0.14);
  --chip-sp-fg:     hsl(calc(var(--h) + 160), 60%, 72%);
  --chip-sp-bd:     hsla(calc(var(--h) + 160), 60%, 60%, 0.28);

  /* Scrollbar */
  --scroll-thumb: hsl(var(--h), 14%, 28%);

}

/* ══════════════════════════════════════════════════════════════════════════════
   GLOBAL
   ══════════════════════════════════════════════════════════════════════════════ */

body {
  font-family: 'Plus Jakarta Sans', 'Avenir', 'Avenir Next', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  height: 100vh;
  display: flex;
  flex-direction: row;
  overflow: hidden;
  transition: background 0.25s, color 0.25s;
}

/* ══════════════════════════════════════════════════════════════════════════════
   CHAT HEADER — thin bar at top of chat column
   ══════════════════════════════════════════════════════════════════════════════ */

.chat-header {
  flex-shrink: 0;
  height: 44px;
  display: flex;
  align-items: center;
  padding: 0 22px;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-page);
  transition: background 0.25s, border-color 0.25s;
}

.chat-header-title {
  flex: 1;
  font-size: 13px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.share-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 10px;
  height: 28px;
  border: 1px solid var(--border, #444);
  border-radius: 6px;
  background: transparent;
  color: var(--text-dim, #999);
  font-size: 11.5px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.share-btn:hover {
  background: var(--bg-input, #2a2a2a);
  color: var(--text-primary, #eee);
  border-color: var(--text-dim, #999);
}
.share-btn.share-done {
  background: var(--accent, #6366f1);
  color: #fff;
  border-color: transparent;
}

/* Brand text shown when no conversation is active */
.brand-markets {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.brand-sep {
  color: var(--text-dim);
  font-weight: 400;
}

.brand-powered {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-dim);
}

.brand-powered strong {
  font-weight: 700;
  color: var(--accent);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 6px 3px 6px;
  flex-shrink: 0;
  width: 100%;
}

.user-avatar {
  font-size: 14px;
  line-height: 1;
}

.user-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 2px;
  line-height: 1;
  display: flex;
  align-items: center;
  transition: color 0.15s;
  flex-shrink: 0;
}
.settings-btn:hover { color: var(--accent); }

/* ══════════════════════════════════════════════════════════════════════════════
   SETTINGS POPUP
   ══════════════════════════════════════════════════════════════════════════════ */

.settings-popup {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 10px;
  right: 10px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.settings-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.theme-swatches {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  margin-bottom: 2px;
}

.theme-swatch {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 5px 6px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.12s, border-color 0.12s;
}
.theme-swatch:hover {
  background: var(--bg-surface);
  border-color: var(--border);
}
.theme-swatch.active {
  background: var(--accent-glow);
  border-color: var(--accent-dim);
}

.theme-swatch-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  background: hsl(var(--swatch-hue), 78%, 58%);
}

.theme-swatch-label {
  font-size: 10px;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}
.theme-swatch.active .theme-swatch-label { color: var(--text-primary); }

.settings-divider {
  height: 1px;
  background: var(--border-sub);
  margin: 10px 0;
}

.settings-logout-btn {
  width: 100%;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 12px;
  font-family: inherit;
  font-weight: 500;
  padding: 6px 10px;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.settings-logout-btn:hover {
  background: var(--tone-neg-bg);
  border-color: var(--tone-neg-border);
  color: var(--tone-neg);
}

/* ══════════════════════════════════════════════════════════════════════════════
   BODY WRAP + SIDEBAR
   ══════════════════════════════════════════════════════════════════════════════ */

.body-wrap {
  flex: 1;
  display: flex;
  overflow: hidden;
  height: 100vh;
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 12px 10px 0;
  gap: 8px;
  overflow: hidden;
  transition: width 0.22s ease, padding 0.22s ease, background 0.25s, border-color 0.25s;
}

.sidebar.collapsed {
  width: 0;
  padding: 0;
  border-right: none;
  overflow: hidden;
}

.sidebar-toggle {
  flex-shrink: 0;
  align-self: center;
  width: 16px;
  height: 44px;
  margin-left: -1px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 6px 6px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 9px;
  z-index: 20;
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.sidebar-toggle:hover { background: var(--bg-raised); color: var(--accent); }

.new-conv-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.new-conv-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

.new-conv-icon { font-size: 10px; }

.conv-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) transparent;
}

.conv-list::-webkit-scrollbar { width: 4px; }
.conv-list::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 2px; }

/* ── Sidebar footer ──────────────────────────────────────────────────────────── */

.sidebar-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--border-sub);
  padding: 10px 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.sidebar-footer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: space-between;
}


.conv-section-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 6px 4px;
}

.conv-item {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 8px 6px 10px;
  border-radius: 8px;
  font-size: 11.5px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  border: 1px solid transparent;
}

.conv-title {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conv-actions {
  display: flex;
  gap: 1px;
  opacity: 0;
  flex-shrink: 0;
  transition: opacity 0.12s;
}

.conv-item:hover .conv-actions,
.conv-item.active .conv-actions {
  opacity: 1;
}

.conv-action-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 11px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color 0.12s, background 0.12s;
  font-family: inherit;
  line-height: 1;
  flex-shrink: 0;
}

.conv-action-btn:hover {
  color: var(--text-primary);
  background: var(--border);
}

.conv-action-delete:hover {
  color: var(--tone-neg);
  background: var(--tone-neg-bg);
}

.conv-action-delete.confirming {
  color: var(--tone-neg);
  background: var(--tone-neg-bg);
  animation: pulse 0.6s ease-in-out infinite;
}

.conv-rename-input {
  flex: 1;
  min-width: 0;
  background: var(--bg-input);
  border: 1px solid var(--accent-dim);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 11.5px;
  padding: 1px 5px;
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-glow);
}

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

.conv-item.active {
  background: var(--accent-glow);
  border-color: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}

.chat-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ══════════════════════════════════════════════════════════════════════════════
   CHAT AREA
   ══════════════════════════════════════════════════════════════════════════════ */

.chat-area {
  flex: 1;
  overflow-y: auto;
  padding: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  scroll-behavior: smooth;
  background: var(--bg-page);
  transition: background 0.25s;
}

.chat-area::-webkit-scrollbar { width: 5px; }
.chat-area::-webkit-scrollbar-track { background: transparent; }
.chat-area::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 3px; }

/* ══════════════════════════════════════════════════════════════════════════════
   EMPTY STATE
   ══════════════════════════════════════════════════════════════════════════════ */

.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  gap: 10px;
  text-align: center;
}

.empty-icon {
  font-size: 36px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
  opacity: 0.7;
}

.empty-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.empty-sub {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
  max-width: 560px;
}

.suggestion {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text-secondary);
  background: var(--bg-raised);
  transition: all 0.15s;
  font-family: inherit;
}

.suggestion:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ══════════════════════════════════════════════════════════════════════════════
   MESSAGE ROWS
   ══════════════════════════════════════════════════════════════════════════════ */

.msg-row {
  display: flex;
  padding: 0 20px;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.msg-row.user  { justify-content: flex-end; }
.msg-row.agent { justify-content: flex-start; }

/* ── User bubble ─────────────────────────────────────────────────────────────── */

.bubble-user {
  background: var(--accent);
  color: var(--text-inverse);
  padding: 10px 16px;
  border-radius: 18px 18px 4px 18px;
  max-width: 65%;
  font-size: 14px;
  line-height: 1.55;
  word-break: break-word;
  transition: background 0.25s;
}

/* ── Agent column ────────────────────────────────────────────────────────────── */

.agent-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 88%;
  width: 100%;
}

/* ── Activity row ────────────────────────────────────────────────────────────── */

.activity-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  min-height: 24px;
}

/* ══════════════════════════════════════════════════════════════════════════════
   CHIPS
   ══════════════════════════════════════════════════════════════════════════════ */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: default;
  transition: opacity 0.2s;
}

.chip:hover { opacity: 0.75; }

.chip-tag {
  background: var(--chip-tag-bg);
  color: var(--chip-tag-fg);
  border: 1px solid var(--chip-tag-bd);
}

.chip-skill {
  background: var(--chip-skill-bg);
  color: var(--chip-skill-fg);
  border: 1px solid var(--chip-skill-bd);
}

.chip-scratchpad {
  background: var(--chip-sp-bg);
  color: var(--chip-sp-fg);
  border: 1px solid var(--chip-sp-bd);
}

.chip-running {
  opacity: 0.7;
  animation: chip-pulse 1.2s ease-in-out infinite;
}

@keyframes chip-pulse {
  0%, 100% { opacity: 0.7; }
  50%       { opacity: 1;   }
}

.chip-icon { font-size: 10px; }

.chip-expandable { cursor: pointer; }

.chip-caret {
  font-size: 9px;
  margin-left: 2px;
  opacity: 0.6;
  display: inline-block;
  transition: transform 0.18s;
}

.chip.open .chip-caret { transform: rotate(180deg); }

.chip-panel {
  max-height: 160px;
  overflow-y: auto;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 11px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  margin-top: 4px;
  margin-bottom: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) transparent;
}

/* ══════════════════════════════════════════════════════════════════════════════
   CONTEXT BANNERS — iTAG memory / QnA lookup events
   ══════════════════════════════════════════════════════════════════════════════ */

.context-banner {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--chip-tag-bg);
  border: 1px solid var(--chip-tag-bd);
  border-left: 3px solid var(--chip-tag-fg);
  border-radius: 8px;
  cursor: pointer;
  margin: 3px 0;
  transition: background 0.15s;
  animation: bannerIn 0.22s ease;
}

.context-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    transparent 0%,
    hsla(var(--h), 60%, 60%, 0.18) 50%,
    transparent 100%
  );
  animation: shimmer 0.9s ease forwards;
  pointer-events: none;
}

@keyframes bannerIn {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.context-banner:hover {
  background: hsla(var(--h), 60%, 60%, 0.2);
}

.context-banner.open {
  border-left-color: var(--accent);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.ctx-icon {
  font-size: 15px;
  color: var(--chip-tag-fg);
  flex-shrink: 0;
  line-height: 1;
}

.ctx-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
  min-width: 0;
}

.ctx-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--chip-tag-fg);
  letter-spacing: 0.1px;
}

.ctx-sub {
  font-size: 10.5px;
  color: var(--text-dim);
  font-style: italic;
}

.ctx-caret {
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.context-banner.open .ctx-caret {
  transform: rotate(180deg);
}

.context-panel {
  background: var(--bg-raised);
  border: 1px solid var(--chip-tag-bd);
  border-top: none;
  border-left: 3px solid var(--chip-tag-fg);
  border-radius: 0 0 8px 8px;
  padding: 10px 14px;
  font-size: 11px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  max-height: 180px;
  overflow-y: auto;
  margin-bottom: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) transparent;
}

/* ══════════════════════════════════════════════════════════════════════════════
   THINKING ROW
   ══════════════════════════════════════════════════════════════════════════════ */

.thinking-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 13px;
  padding: 4px 0;
}

.llm-plan-note {
  font-size: 11px;
  font-style: italic;
  color: var(--text-dim);
  line-height: 1.45;
  padding: 2px 4px;
  border-left: 2px solid var(--border-sub);
  margin-left: 2px;
  opacity: 0.8;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
  transition: border-top-color 0.25s;
}

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

/* ══════════════════════════════════════════════════════════════════════════════
   VIZ CARDS
   ══════════════════════════════════════════════════════════════════════════════ */

.viz-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
  transition: background 0.25s, border-color 0.25s, box-shadow 0.15s;
}
.viz-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,.35);
  border-color: var(--accent, #6366f1);
}

/* ── Viz lightbox (tap-to-expand) ─────────────────────────────────────────── */
.viz-lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.72);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: lb-fade-in 0.15s ease;
}
@keyframes lb-fade-in { from { opacity: 0 } to { opacity: 1 } }

.viz-lightbox-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  max-width: min(900px, 92vw);
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
  animation: lb-slide-in 0.18s ease;
}
@keyframes lb-slide-in { from { transform: scale(0.95); opacity: 0 } to { transform: scale(1); opacity: 1 } }

.viz-lightbox-close {
  position: absolute;
  top: 10px;
  right: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary);
  z-index: 1;
  transition: background 0.15s;
}
.viz-lightbox-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.viz-lightbox-box .viz-body { padding: 20px 24px; }
.viz-lightbox-box .viz-header { padding: 14px 56px 12px 20px; }
.viz-lightbox-box .vega-wrap { min-height: 340px; }

.viz-header {
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border-sub);
  background: var(--bg-raised);
  transition: background 0.25s;
}

.viz-kind-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 3px;
}

.viz-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.viz-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.viz-body {
  padding: 14px 16px;
}

.viz-caption {
  padding: 4px 16px 10px;
  font-size: 11px;
  color: var(--text-dim);
  font-style: italic;
}

/* ══════════════════════════════════════════════════════════════════════════════
   TABLE
   ══════════════════════════════════════════════════════════════════════════════ */

.viz-table-wrap { overflow-x: auto; }

.viz-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  white-space: nowrap;
}

.viz-table th {
  background: var(--bg-raised);
  padding: 7px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.viz-table td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-sub);
  color: var(--text-primary);
}

.viz-table tr:last-child td { border-bottom: none; }
.viz-table tbody tr:hover td { background: var(--bg-raised); }

.tone-positive { color: var(--tone-pos) !important; font-weight: 600; }
.tone-negative { color: var(--tone-neg) !important; font-weight: 600; }
.tone-warning  { color: var(--tone-warn) !important; font-weight: 600; }

.tbl-footnote {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 8px;
  font-style: italic;
}

/* ══════════════════════════════════════════════════════════════════════════════
   KPI STRIP
   ══════════════════════════════════════════════════════════════════════════════ */

.kpi-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.kpi-card {
  flex: 1;
  min-width: 90px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  transition: background 0.25s, border-color 0.25s;
}

.kpi-card.positive { background: var(--tone-pos-bg);  border-color: var(--tone-pos-border); }
.kpi-card.negative { background: var(--tone-neg-bg);  border-color: var(--tone-neg-border); }
.kpi-card.warning  { background: var(--tone-warn-bg); border-color: var(--tone-warn-border); }

.kpi-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.kpi-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.kpi-card.positive .kpi-value { color: var(--tone-pos); }
.kpi-card.negative .kpi-value { color: var(--tone-neg); }
.kpi-card.warning  .kpi-value { color: var(--tone-warn); }

.kpi-detail {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 3px;
}

/* ══════════════════════════════════════════════════════════════════════════════
   ANSWER BUBBLE
   ══════════════════════════════════════════════════════════════════════════════ */

.bubble-answer {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px 18px 18px 18px;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-primary);
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
  transition: background 0.25s, border-color 0.25s;
}

.bubble-answer p  { margin: 6px 0; }
.bubble-answer p:first-child { margin-top: 0; }
.bubble-answer p:last-child  { margin-bottom: 0; }

.bubble-answer h1,
.bubble-answer h2,
.bubble-answer h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 12px 0 4px;
}

.bubble-answer h1:first-child,
.bubble-answer h2:first-child,
.bubble-answer h3:first-child { margin-top: 0; }

.bubble-answer ul,
.bubble-answer ol  { padding-left: 20px; margin: 6px 0; }
.bubble-answer li  { margin: 4px 0; }
.bubble-answer strong { color: var(--text-primary); font-weight: 700; }
.bubble-answer em { color: var(--text-secondary); }

.bubble-answer code {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.bubble-answer table {
  border-collapse: collapse;
  font-size: 12px;
  width: 100%;
  margin: 8px 0;
}

.bubble-answer th {
  background: var(--bg-raised);
  padding: 5px 10px;
  text-align: left;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11px;
}

.bubble-answer td {
  padding: 5px 10px;
  border: 1px solid var(--border-sub);
  color: var(--text-primary);
}

/* ══════════════════════════════════════════════════════════════════════════════
   VEGA CONTAINER
   ══════════════════════════════════════════════════════════════════════════════ */

.vega-wrap {
  width: 100%;
  min-height: 200px;
}

/* ══════════════════════════════════════════════════════════════════════════════
   STEER BAR
   ══════════════════════════════════════════════════════════════════════════════ */

.steer-wrap {
  display: none;
  align-items: center;
  gap: 8px;
  max-width: 860px;
  margin: 0 auto 8px;
  padding: 7px 12px;
  background: var(--bg-raised);
  border: 1px solid var(--accent-dim);
  border-radius: 12px;
  animation: fadeIn 0.2s ease;
}

.steer-wrap.visible { display: flex; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.steer-field {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 13px;
  font-family: inherit;
  color: var(--text-primary);
}

.steer-field::placeholder { color: var(--text-dim); }

.steer-btn {
  padding: 4px 12px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.steer-btn:hover {
  background: var(--accent);
  color: var(--text-inverse);
}

.chip-steer {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  font-style: italic;
}

/* ══════════════════════════════════════════════════════════════════════════════
   INPUT BAR
   ══════════════════════════════════════════════════════════════════════════════ */

.input-bar {
  background: transparent;
  padding: 8px 20px 12px;
  flex-shrink: 0;
}

.input-wrap {
  display: flex;
  gap: 0;
  align-items: flex-end;
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 6px 8px 6px 6px;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.25s;
}

.input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-field {
  flex: 1;
  border: none;
  border-radius: 0;
  padding: 6px 10px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
  color: var(--text-primary);
  background: transparent;
  resize: none;
  min-height: 32px;
  max-height: 200px;
  overflow-y: auto;
  line-height: 1.55;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) transparent;
}

.input-field::placeholder { color: var(--text-dim); }

.input-field:disabled {
  color: var(--text-dim);
  cursor: not-allowed;
}

.send-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-inverse);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.1s;
}

.send-btn:hover:not(:disabled) { filter: brightness(1.12); transform: scale(1.05); }
.send-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.send-btn.stop-mode { background: #ef4444; }
.send-btn.stop-mode:hover { filter: brightness(1.1); }

.mem-bar {
  font-size: 10px;
  color: var(--text-dim);
  text-align: center;
  margin-top: 5px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 0.02em;
}

/* ══════════════════════════════════════════════════════════════════════════════
   UPLOAD BUTTON  (+)
   ══════════════════════════════════════════════════════════════════════════════ */

.upload-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.upload-btn:hover { background: var(--bg-raised); color: var(--accent); }
.upload-btn.uploading { opacity: 0.5; cursor: wait; }

/* ── File chips strip — sits above the textarea, holds up to 5 chips ─────────── */

.file-chips-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  max-width: 860px;
  margin: 0 auto 8px;
  padding: 0 2px;
}

.file-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--accent-dim);
  border-radius: 10px;
  padding: 6px 10px 6px 9px;
  font-size: 12px;
  color: var(--text-secondary);
  max-width: 240px;
  min-width: 0;
  transition: border-color 0.15s;
}
.file-chip:hover { border-color: var(--accent); }

.file-chip-icon {
  font-size: 15px;
  flex-shrink: 0;
  line-height: 1;
}

.file-chip-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  flex: 1;
}

.file-chip-name {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-chip-meta {
  font-size: 10.5px;
  color: var(--text-dim);
  white-space: nowrap;
}

.file-chip-remove {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 10px;
  padding: 1px 2px;
  line-height: 1;
  flex-shrink: 0;
  border-radius: 3px;
  transition: color 0.12s, background 0.12s;
}
.file-chip-remove:hover {
  color: var(--tone-neg);
  background: var(--tone-neg-bg);
}

/* ══════════════════════════════════════════════════════════════════════════════
   DEFERRED BUILD BANNER
   ══════════════════════════════════════════════════════════════════════════════ */

.build-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent-dim);
  border-radius: 8px;
  padding: 9px 13px;
  margin: 4px 0;
  font-size: 12px;
}

.build-icon {
  color: var(--accent);
  font-size: 15px;
  flex-shrink: 0;
}

.build-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
  min-width: 0;
}

.build-label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 12px;
}

.build-sub {
  color: var(--text-dim);
  font-size: 11px;
}

.build-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Chip variants for DYNAMIC and DEFERRED_BUILD ──────────────────────────────── */

.chip-dynamic {
  background: hsla(calc(var(--h) + 100), 60%, 60%, 0.13);
  color: hsl(calc(var(--h) + 100), 60%, 72%);
  border-color: hsla(calc(var(--h) + 100), 60%, 60%, 0.28);
}

.chip-build {
  background: hsla(calc(var(--h) + 60), 55%, 58%, 0.13);
  color: hsl(calc(var(--h) + 60), 55%, 70%);
  border-color: hsla(calc(var(--h) + 60), 55%, 58%, 0.28);
}

/* ══════════════════════════════════════════════════════════════════════════════
   iDYN — DYNAMIC INTERACTIVE COMPONENTS
   ══════════════════════════════════════════════════════════════════════════════ */

.dyn-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin: 8px 0;
  width: 100%;
  box-sizing: border-box;
}

.dyn-title {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-sub);
}

.dyn-prompt {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

/* ── Option cards ─────────────────────────────────────────────────────────── */

.dyn-options-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dyn-option-btn {
  width: 100%;
  text-align: left;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 13px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  color: var(--text-primary);
}
.dyn-option-btn:hover:not(:disabled) {
  border-color: var(--accent-dim);
  background: var(--accent-glow);
}
.dyn-option-btn.selected {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.dyn-option-btn:disabled { opacity: 0.55; cursor: default; }

.dyn-option-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.dyn-option-desc {
  font-size: 11.5px;
  color: var(--text-dim);
  margin-top: 3px;
  line-height: 1.4;
}

/* ── Interactive data table ────────────────────────────────────────────────── */

.dyn-table .dyn-table-row {
  cursor: pointer;
  transition: background 0.12s;
}
.dyn-table .dyn-table-row:hover { background: var(--accent-glow); }
.dyn-table .dyn-table-row.selected { background: var(--accent-glow); outline: 1px solid var(--accent-dim); }

/* ── Expandable list ──────────────────────────────────────────────────────── */

.dyn-exp-row {
  border-bottom: 1px solid var(--border-sub);
}
.dyn-exp-row:last-child { border-bottom: none; }

.dyn-exp-hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 4px;
  cursor: pointer;
  transition: color 0.12s;
}
.dyn-exp-hdr:hover { color: var(--accent); }

.dyn-exp-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-primary);
}

.dyn-exp-caret {
  font-size: 11px;
  color: var(--text-dim);
  transition: transform 0.15s;
}
.dyn-exp-row.open .dyn-exp-caret { transform: rotate(180deg); }

.dyn-exp-detail {
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.55;
  padding: 6px 4px 12px;
}

/* ── Dynamic form ─────────────────────────────────────────────────────────── */

.dyn-field-grp {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}

.dyn-field-label {
  font-size: 11.5px;
  color: var(--text-secondary);
  font-weight: 500;
}

.dyn-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color 0.15s;
}
.dyn-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }

.dyn-toggle { width: 18px; height: 18px; cursor: pointer; accent-color: var(--accent); }

.dyn-submit-btn {
  width: 100%;
  padding: 9px;
  background: var(--accent);
  color: var(--text-inverse);
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
  transition: filter 0.15s, opacity 0.15s;
  font-family: inherit;
}
.dyn-submit-btn:hover:not(:disabled) { filter: brightness(1.1); }
.dyn-submit-btn:disabled { opacity: 0.5; cursor: default; }

/* ── Progress indicator ──────────────────────────────────────────────────── */

.dyn-progress .build-spinner { margin-bottom: 12px; }

.dyn-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.dyn-step-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-secondary);
}

.dyn-step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
  transition: background 0.2s;
}
.dyn-step-dot.active { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.dyn-step-dot.done   { background: var(--tone-pos); }

.dyn-step-text { color: var(--text-secondary); }

.dyn-done-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--tone-pos);
  margin-bottom: 8px;
}
.dyn-error-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--tone-neg);
  margin-bottom: 8px;
}

/* ── Comparison selector ────────────────────────────────────────────────── */

.dyn-entity-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.dyn-entity-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.14s, background 0.14s;
}
.dyn-entity-row:hover { border-color: var(--accent-dim); background: var(--accent-glow); }
.dyn-entity-row.selected { border-color: var(--accent); background: var(--accent-glow); }

.dyn-entity-check {
  font-size: 14px;
  color: var(--text-dim);
  flex-shrink: 0;
  width: 16px;
  text-align: center;
  transition: color 0.12s;
}
.dyn-entity-row.selected .dyn-entity-check { color: var(--accent); }

.dyn-entity-info { display: flex; flex-direction: column; gap: 2px; }

.dyn-entity-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}
.dyn-entity-meta {
  font-size: 11px;
  color: var(--text-dim);
}

/* ── Unknown dynamic component fallback ─────────────────────────────────── */

.dyn-unknown {
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
  padding: 8px 0;
}