weavr 1.1.0

/* weavr Design System — Warm neutral + terracotta/amber palette.
   See agent_docs/design.md for the full visual system. */

/* ---- Dark theme (default) ---- */
:root {
  /* Surface */
  --bg-surface: #161410;
  --bg-surface-elevated: #1F1C18;
  --bg-surface-hover: #28241F;
  --bg-surface-pressed: #322D27;
  --surface: var(--bg-surface);
  --surface-container: var(--bg-surface-elevated);
  --surface-container-high: var(--bg-surface-hover);
  --surface-container-highest: var(--bg-surface-pressed);
  --surface-container-low: #1A1814;
  --surface-container-lowest: #161410;
  --background: var(--bg-surface);

  /* Text */
  --text-primary: #EBE5DD;
  --text-secondary: #A0998F;
  --text-tertiary: #6B6660;
  --on-surface: var(--text-primary);
  --on-surface-variant: var(--text-secondary);
  --muted: var(--text-tertiary);

  /* Accent — terracotta */
  --accent: #D4683A;
  --accent-hover: #E07B50;
  --text-accent: #E8926C;
  --ring-accent: #E8926C;
  --primary: var(--accent);
  --on-primary: #FFFFFF;

  /* Borders */
  --border-subtle: #2A2621;
  --border-default: #3D3832;
  --border: var(--border-subtle);
  --outline: var(--border-default);

  /* Semantic state */
  --success: #5BAD75;
  --error: #D9665E;
  --warning: #E2A04A;
  --on-error: #000000;
  --secondary: #4A9E8E;
  --on-secondary: #000000;

  /* Role indicators */
  --state-user: #D4852B;
  --state-assistant: #D4683A;
  --state-thinking: #8B7EC8;
  --state-tool: #4A9E8E;
  --state-system: #8B8680;
  --indigo-accent: var(--state-thinking);
  --tertiary: var(--state-user);

  /* Font stack */
  --font-sans: 'Geist', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Space Grotesk', sans-serif;
}

/* ---- Light theme ---- */
:root[data-theme="light"] {
  /* Surface */
  --bg-surface: #FAF7F2;
  --bg-surface-elevated: #F3EFE8;
  --bg-surface-hover: #EDE8E0;
  --bg-surface-pressed: #E5DFD5;
  --surface: var(--bg-surface);
  --surface-container: var(--bg-surface-elevated);
  --surface-container-high: var(--bg-surface-hover);
  --surface-container-highest: var(--bg-surface-pressed);
  --surface-container-low: #F7F3EC;
  --surface-container-lowest: #FAF7F2;
  --background: var(--bg-surface);

  /* Text */
  --text-primary: #1E1B18;
  --text-secondary: #5C5853;
  --text-tertiary: #8B8680;
  --on-surface: var(--text-primary);
  --on-surface-variant: var(--text-secondary);
  --muted: var(--text-tertiary);

  /* Accent — terracotta */
  --accent: #D4683A;
  --accent-hover: #C2592E;
  --text-accent: #C2592E;
  --ring-accent: #D4683A;
  --primary: var(--accent);
  --on-primary: #FFFFFF;

  /* Borders */
  --border-subtle: #E8E3DB;
  --border-default: #D5CFC6;
  --border: var(--border-subtle);
  --outline: var(--border-default);

  /* Semantic state */
  --success: #3B8C5A;
  --error: #C5443B;
  --warning: #D4852B;
  --on-error: #FFFFFF;
  --secondary: #3A8B7A;
  --on-secondary: #FFFFFF;

  /* Role indicators */
  --state-user: #D4852B;
  --state-assistant: #D4683A;
  --state-thinking: #8B7EC8;
  --state-tool: #4A9E8E;
  --state-system: #8B8680;
  --indigo-accent: var(--state-thinking);
  --tertiary: var(--state-user);
}

/* ===================================================================
   CSS Reset & Base
   =================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--background);
  color: var(--on-surface);
  font-size: 14px;
  line-height: 1.5;
}

/* ===================================================================
   Header (Top App Bar)
   =================================================================== */
.header {
  background: var(--background);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0 24px;
  height: 64px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
}
.header-left { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0; overflow: hidden; }
.header-logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-logo-icon { color: var(--primary); font-size: 18px; }
.header-logo-text {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--on-surface);
}
.header-separator { width: 1px; height: 20px; background: var(--border); flex-shrink: 0; }
.header-meta { display: flex; flex-direction: column; gap: 4px; min-width: 0; overflow: hidden; }
.header-back-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--primary);
  text-decoration: none;
  line-height: 1;
  transition: color 0.15s;
  white-space: nowrap;
}
.header-back-link:hover { color: var(--accent-hover); }
.header-session-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.header-meta-project { display: flex; flex-direction: column; gap: 2px; }
.header-meta-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--on-surface-variant);
  line-height: 1;
}
.header-meta-path {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  line-height: 1;
  opacity: 0.7;
}
.header-session-stats {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.header-stat-sep { color: var(--border-default); user-select: none; }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-btn {
  padding: 6px;
  background: none;
  border: none;
  color: var(--on-surface-variant);
  cursor: pointer;
  font-size: 16px;
  border-radius: 2px;
  transition: background 0.15s;
}
.header-btn:hover { background: var(--surface-container); }

/* Expand-all / collapse-all toggle in filter bar — anchored to far right */
.filter-toggle-btn {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border-default);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.filter-toggle-btn:hover {
  background: var(--surface-container);
  color: var(--on-surface);
  border-color: var(--outline);
}

/* ===================================================================
   Layout: single-column (sidebar removed)
   =================================================================== */
.layout-body { display: flex; padding-top: 64px; height: 100vh; }

/* ===================================================================
   Main Content (full-width — sidebar removed)
   =================================================================== */
.main-content {
  flex: 1;
  overflow-y: auto;
  /* T16: symmetric horizontal padding; max-width of message-list handles column width */
  padding: 24px 32px;
  background: var(--background);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: calc(100vh - 64px);
  scroll-behavior: smooth;
}

/* ===================================================================
   Filter Bar
   =================================================================== */
.filter-bar {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-default);
}
.filter-search {
  display: flex; align-items: center;
  background: var(--surface-container-low);
  border: 1px solid var(--border-default);
  border-radius: 999px;
  padding: 5px 14px;
  transition: border-color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.filter-search:focus-within {
  border-color: var(--ring-accent);
  background: var(--surface-container);
}
.filter-search-icon { color: var(--muted); font-size: 13px; margin-right: 7px; }
.filter-search-input {
  background: transparent; border: none; outline: none;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--on-surface); width: 200px;
}
.filter-search-input::placeholder { color: var(--muted); }
/* Taller, more visible divider between search and chips */
.filter-divider { width: 1px; height: 22px; background: var(--border-default); flex-shrink: 0; }

mark.search-highlight {
  background: rgba(251, 191, 36, 0.35);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}
/* Chip group sits flush with tighter gap — chips form a visual cluster */
.filter-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.filter-chip {
  padding: 4px 11px; border-radius: 3px;
  background: var(--surface-container); color: var(--on-surface-variant);
  border: 1px solid var(--border-default);
  font-family: var(--font-mono); font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.filter-chip:hover {
  background: var(--surface-container-high);
  color: var(--on-surface);
  border-color: var(--outline);
}
.filter-chip:focus-visible {
  outline: 2px solid var(--ring-accent);
  outline-offset: 2px;
}
/* Subtle tinted active state — reads better when all chips are on */
.filter-chip--active {
  background: color-mix(in srgb, var(--primary) 14%, var(--surface-container));
  color: var(--text-accent);
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
}
.filter-chip--active:hover {
  background: color-mix(in srgb, var(--primary) 22%, var(--surface-container));
}
/* Ensure button filter chips inherit font and have no native button chrome. */
button.filter-chip {
  font-family: inherit;
  line-height: inherit;
}

/* ===================================================================
   Message List
   =================================================================== */
.message-list {
  display: flex; flex-direction: column; gap: 8px;
  max-width: 1040px; width: 100%; margin: 0 auto;
  padding: 12px 0 24px;
  position: relative;
}
/* T22 — Left connector rail aligned to dot centre.
   Non-user wrappers are indented by 20px, so dot centre = 20 + 4 = 24px.
   Rail: left 23px, width 2px → spans 23-25px, centre 24px. */
.message-list::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--border-subtle);
  pointer-events: none;
  z-index: 0;
}
/* Dot rows: indent 20px so dot centre (4px) lands at x=24px = rail centre */
.message-card-wrapper:not(.timeline-user) {
  margin-left: 20px;
}
/* User blocks: full width from x=0, z-index above the rail and a matching
   background so they fully cover the rail line — creating a visual break.
   Padding provides vertical breathing room while keeping the background
   flush with the rail so no line peeks through above or below. */
.message-card-wrapper.timeline-user {
  position: relative;
  z-index: 1;
  background: var(--background);
  padding: 4px 0;
}
/* Remove the margin from user-block since the wrapper handles spacing */
.message-card-wrapper.timeline-user .user-block {
  margin: 0;
}
.message-card-wrapper[hidden] { display: none !important; }

/* ===================================================================
   Turn Cards (v2 conversational view)
   =================================================================== */
.turn {
  max-width: 1040px; width: 100%; margin: 0;
}
.turn-header {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 0 8px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--muted);
}
.turn-header time { color: var(--muted); }
.turn-body {
  font-size: 14px; line-height: 1.6;
  padding-bottom: 8px;
}
/* User turn — soft bubble */
.turn--user {
  background: var(--surface-container-low);
  border-radius: 8px;
  padding: 10px 16px;
}
.turn--user .turn-body p { margin: 0; }
/* Assistant turn — flat card with left border accent */
.turn--assistant {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: 2px;
  padding: 10px 16px;
}

/* ===================================================================
   Thinking / Tools pills
   =================================================================== */
.pill {
  margin: 6px 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.pill-summary {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  font-family: var(--font-mono); font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.pill-summary::-webkit-details-marker { display: none; }
.pill-summary::before {
  content: '\25B8';
  display: inline-block;
  width: 14px;
  font-size: 12px;
  transition: transform 0.15s ease;
}
details[open] > .pill-summary::before { transform: rotate(90deg); }
.pill-body {
  padding: 12px;
  border-top: 1px solid var(--border);
  font-size: 13px; line-height: 1.5;
}
.pill--thinking {
  border-color: var(--indigo-accent);
  background: rgba(99, 102, 241, 0.04);
}
.pill--thinking .pill-summary { color: var(--indigo-accent); }
.pill--tools {
  border-color: var(--secondary);
  background: rgba(3, 218, 198, 0.03);
}
.pill--tools .pill-summary { color: var(--secondary); }
.pill--disabled {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--muted); opacity: 0.4;
  border: 1px dashed var(--border);
  border-radius: 4px;
  cursor: default;
}

/* ===================================================================
   Sub-agents (nested inside Tools pill)
   =================================================================== */
.sub-agent {
  margin: 8px 0 8px 12px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: 2px;
  overflow: hidden;
}
.sub-agent-summary {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.sub-agent-summary::-webkit-details-marker { display: none; }
.sub-agent-summary::before {
  content: '\25B8';
  display: inline-block;
  width: 12px;
  font-size: 11px;
  transition: transform 0.15s ease;
}
details[open] > .sub-agent-summary::before { transform: rotate(90deg); }
.sub-agent-body {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 13px; line-height: 1.5;
}
.sub-agent .message-card { margin: 4px 0; }
.sub-agent .message-card-header { padding: 6px 12px; }
.sub-agent .message-card-body { padding: 8px 12px; }

/* Turn body content (markdown-rendered text inside turns) */
.turn-body p { margin-bottom: 12px; }
.turn-body p:last-child { margin-bottom: 0; }
.turn-body ul,
.turn-body ol { margin-bottom: 12px; padding-left: 24px; }
.turn-body ul { list-style: disc; }
.turn-body ol { list-style: decimal; }
.turn-body li { margin-bottom: 4px; }
.turn-body li > p { margin-bottom: 4px; }
.turn-body ul:last-child,
.turn-body ol:last-child { margin-bottom: 0; }
.turn-body code {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1px 5px;
}
.turn-body pre {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 12px 16px;
  overflow-x: auto;
  margin-bottom: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.turn-body pre code {
  background: none; border: none; padding: 0;
}

/* ===================================================================
   Message Cards (still used by tool cards inside turns)
   =================================================================== */
.message-card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 2px;
  overflow: hidden;
}
.message-card--error {
  border-color: var(--error);
}
.message-card-header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-container-low);
  cursor: pointer;
  user-select: none;
}
.message-card-header:hover { background: var(--surface-container); }
.message-card-header-left {
  display: flex; align-items: center; gap: 10px;
  min-width: 0; flex: 1;
}
.message-card-header-right {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.message-card-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}
.message-card-chevron {
  font-size: 11px;
  color: var(--muted);
  transition: transform 0.15s ease;
}
.message-card.is-collapsed > .message-card-body { display: none; }
.message-card.is-collapsed > .message-card-header { border-bottom-color: transparent; }
.message-card.is-collapsed .message-card-chevron { transform: rotate(-90deg); }

/* In-body "Show more / Show less" */
.body-collapsible {
  position: relative;
  display: flex;
  flex-direction: column;
}
.body-collapsible:not(.is-expanded) .body-collapsible-content {
  max-height: 320px;
  overflow: hidden;
  mask-image: linear-gradient(180deg, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 70%, transparent);
}
.body-collapsible.is-expanded .body-collapsible-content {
  max-height: none;
  mask-image: none;
  -webkit-mask-image: none;
}
.show-more-btn {
  align-self: flex-start;
  margin-top: 8px;
  padding: 4px 12px;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--on-surface-variant);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.show-more-btn:hover {
  background: var(--surface-container-high);
  color: var(--on-surface);
}
.message-card-header--user { /* default */ }
.message-card-header--assistant { /* default */ }
.message-card-header--thinking { /* inherits cursor: pointer */ }
.message-card-header--tool { /* default */ }
.message-card-header--diff { /* default */ }
.message-card-header--system { /* default */ }
.message-card-header--hook { /* default */ }
.message-card-role {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.message-card-header--user .message-card-role { color: var(--tertiary); }
.message-card-header--assistant .message-card-role { color: var(--primary); }
.message-card-header--thinking .message-card-role { color: var(--indigo-accent); }
.message-card-header--tool .message-card-role { color: var(--secondary); }
.message-card-header--system .message-card-role { color: var(--muted); }
.message-card-header--hook .message-card-role { color: #94a3b8; }
.message-card-body {
  padding: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-surface);
}

/* Hook attachment / system payload sections */
.hook-section {
  margin-top: 10px;
}
.hook-section:first-child { margin-top: 0; }
.hook-section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.hook-section-body {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px 10px;
  color: var(--on-surface);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  max-height: 320px;
}
.raw-json {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px 10px;
  color: var(--on-surface-variant);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  max-height: 320px;
}

/* Floating back-to-top button */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  width: 40px; height: 40px;
  border-radius: 999px;
  background: var(--surface-container-high);
  color: var(--on-surface);
  border: 1px solid var(--border);
  font-size: 18px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: background 0.15s, transform 0.15s;
}
.back-to-top:hover {
  background: var(--surface-container-highest);
  transform: translateY(-2px);
}
.back-to-top.is-visible { display: flex; }
.message-card-body p { margin-bottom: 12px; }
.message-card-body p:last-child { margin-bottom: 0; }
.message-card-body ul,
.message-card-body ol {
  padding-left: 24px;
  margin-bottom: 12px;
}
.message-card-body ul { list-style: disc; }
.message-card-body ol { list-style: decimal; }
.message-card-body li { margin-bottom: 4px; }
.message-card-body li > p { margin-bottom: 4px; }
.message-card-body ul:last-child,
.message-card-body ol:last-child { margin-bottom: 0; }
.message-card-body code {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--surface-container-high);
  padding: 1px 6px; border-radius: 4px;
  color: var(--primary);
}
.message-card-body pre {
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px 12px;
  margin: 8px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}
.message-card-body pre code {
  background: transparent; padding: 0; color: var(--on-surface);
}
.message-card-body h1,
.message-card-body h2,
.message-card-body h3,
.message-card-body h4 {
  margin: 14px 0 8px;
  font-weight: 600;
}
.message-card-body h1 { font-size: 18px; }
.message-card-body h2 { font-size: 16px; }
.message-card-body h3 { font-size: 14px; }
.message-card-body h4 { font-size: 13px; color: var(--on-surface-variant); }
.message-card-body blockquote {
  border-left: 3px solid var(--border);
  padding-left: 12px;
  margin: 8px 0;
  color: var(--on-surface-variant);
}
.message-card-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.message-card-body--collapsed {
  display: flex; align-items: center; justify-content: flex-end;
  padding: 8px 16px;
}
.message-card-body--code {
  padding: 12px 16px;
  background: var(--surface-container-lowest);
  font-family: var(--font-mono);
  font-size: 12px;
}
.thinking-token-info {
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
}

/* Thinking sub-card (nested inside assistant body) */
.thinking-block {
  border: 1px solid var(--border);
  border-left: 2px solid var(--indigo-accent);
  background: var(--surface-container-lowest);
  border-radius: 2px;
  margin: 10px 0;
  overflow: hidden;
}
.thinking-block > .thinking-summary {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 8px 12px;
  cursor: pointer;
  list-style: none;
  background: var(--surface-container-low);
  user-select: none;
}
.thinking-block > .thinking-summary::-webkit-details-marker { display: none; }
.thinking-block > .thinking-summary::before {
  content: "\25BE";
  display: inline-block;
  margin-right: 6px;
  color: var(--muted);
  transition: transform 0.15s ease;
}
.thinking-block:not([open]) > .thinking-summary::before {
  transform: rotate(-90deg);
}
.thinking-block > .thinking-summary:hover {
  background: var(--surface-container);
}
.thinking-summary-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--indigo-accent);
}
.thinking-summary-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  margin-left: auto;
}
.thinking-content {
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--on-surface-variant);
  font-style: italic;
  white-space: pre-wrap;
  word-break: break-word;
}
.thinking-empty { color: var(--muted); opacity: 0.7; }

/* Message dots (v2 card system — kept for backward compat) */
.message-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.message-dot--user { background: var(--tertiary); }
.message-dot--assistant { background: var(--primary); }
.message-dot--thinking { background: var(--indigo-accent); }
.message-dot--tool { background: var(--secondary); }
.message-dot--file { background: var(--muted); }

/* v3 timeline dot primitives */
.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 3px; position: relative; z-index: 1; }
.dot--assistant { background: var(--text-secondary); }
.dot--tool { background: var(--secondary); }

/* v3 timeline row layout */
.timeline-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 4px 0;
  font-size: 13px;
  line-height: 1.5;
}
.row-label {
  color: var(--on-surface);
  font-family: var(--font-mono);
  flex: 1;
}
.row-meta {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  margin-left: 4px;
}

/* ===================================================================
   Tool IO
   =================================================================== */
.tool-io {
  display: flex; gap: 12px; padding: 3px 0;
  font-family: var(--font-mono); font-size: 12px;
  align-items: baseline;
}
.tool-io-label {
  color: var(--muted);
  min-width: 72px;
  text-align: right;
  flex-shrink: 0;
  user-select: none;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.tool-io-value {
  color: var(--on-surface);
  word-break: break-word;
  min-width: 0;
  flex: 1;
}
.tool-io-value--success { color: var(--secondary); }

/* ===================================================================
   Diff
   =================================================================== */
.diff-file-icon { font-size: 14px; color: var(--muted); }
.diff-file-name { font-family: var(--font-mono); font-size: 12px; color: var(--on-surface); flex: 1; }
.diff-badge {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--muted);
}
/* Unified diff (line-level) */
.diff {
  font-family: var(--font-mono); font-size: 11px;
  background: var(--surface-container-lowest);
  overflow-x: auto;
  padding: 8px 0;
  border-radius: 2px;
}
.diff-line {
  display: flex; gap: 0;
  padding: 1px 12px; line-height: 1.5;
  white-space: pre-wrap; word-break: break-all;
}
.diff-line .ln {
  display: inline-block;
  min-width: 40px;
  padding-right: 10px;
  text-align: right;
  color: var(--muted);
  opacity: 0.5;
  user-select: none;
  flex-shrink: 0;
}
.diff-line .ln-old { margin-right: 4px; }
.diff-line .ln-new { margin-right: 8px; }
/* Warm green — readable on both light + dark */
.diff-line--add {
  background: rgba(91, 173, 117, 0.12);
  color: var(--success);
}
/* Warm red — readable on both light + dark */
.diff-line--del {
  background: rgba(217, 102, 94, 0.12);
  color: var(--error);
}
.diff-line--ctx {
  background: none;
  color: var(--muted);
}
.diff-summary {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--muted); padding: 4px 12px 0;
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* ===================================================================
   Index & Project Pages (Pillar B)
   Standalone pages — centered container with native body scrolling.
   =================================================================== */
.index-page,
.project-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px 32px;
  min-height: 100vh;
}
/* ---- Header ---- */
.index-header {
  margin-bottom: 32px;
}
.project-header {
  margin-bottom: 28px;
}
.index-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.index-header h1,
.project-header h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 0;
}
.project-header h1 {
  margin-bottom: 8px;
}
.project-header-path {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

/* ---- Totals ---- */
.index-totals {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 20px;
}
.project-totals {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 20px;
}
.index-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-size: 12px;
  color: var(--muted);
}
.index-stat-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--on-surface);
  letter-spacing: -0.02em;
}
.index-date-range {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
}

/* ---- Toolbar (single row at desktop) ---- */
.index-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.index-toolbar-center {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.toolbar-divider {
  width: 1px;
  height: 16px;
  background: var(--border);
  flex-shrink: 0;
  align-self: center;
}

/* ---- Search ---- */
.index-search {
  display: flex;
  align-items: center;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  transition: border-color 0.15s;
}
.index-search:focus-within { border-color: var(--ring-accent); }
.index-search-icon { color: var(--muted); font-size: 14px; margin-right: 8px; }
.index-search-input {
  background: transparent; border: none; outline: none;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--on-surface); width: 240px;
}
.index-search-input::placeholder { color: var(--muted); }

/* ---- View switcher (segmented two-button control) ---- */
.view-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.view-switcher-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.view-switcher-btn:hover {
  background: var(--surface-container-high);
  color: var(--on-surface);
}
.view-switcher-btn:focus-visible {
  outline: 2px solid var(--ring-accent);
  outline-offset: 2px;
}
.view-switcher-btn[aria-pressed="true"] {
  background: var(--primary);
  color: var(--on-primary);
}
.view-switcher-icon {
  display: block;
  flex-shrink: 0;
}

/* ---- Date filter chips ---- */
.date-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.date-chip {
  padding: 4px 12px; border-radius: 999px;
  background: var(--surface-container); color: var(--on-surface-variant);
  border: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 11px;
  cursor: pointer;
  transition: background 0.15s;
}
.date-chip:hover { background: var(--surface-container-high); }
.date-chip:focus-visible {
  outline: 2px solid var(--ring-accent);
  outline-offset: 2px;
}
.date-chip--active {
  background: var(--primary); color: var(--on-primary); border-color: var(--primary);
}

/* ---- Date picker ---- */
.date-picker {
  display: flex; align-items: center; gap: 6px;
}
.date-picker-from,
.date-picker-to {
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  color: var(--on-surface);
  font-family: var(--font-mono); font-size: 11px;
  max-width: 130px;
}
.date-picker-from:focus,
.date-picker-to:focus {
  border-color: var(--ring-accent);
  outline: none;
}
.date-picker-sep { color: var(--muted); font-size: 12px; }

/* ---- Back link ---- */
.back-link {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s;
}
.back-link:hover {
  color: var(--accent-hover);
}
.back-link:focus-visible {
  outline: 2px solid var(--ring-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---- Project Grid (index page) ---- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.project-card:hover {
  background: var(--surface-container-high);
  border-color: var(--primary);
}
.project-card:focus-visible {
  outline: 2px solid var(--ring-accent);
  outline-offset: 2px;
}
.project-card-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 4px;
}
.project-card-path {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.project-card-activity {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-variant);
  margin-bottom: 12px;
}
.project-card-activity .stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-right: 4px;
}
.project-card-activity .stat-value-activity {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-variant);
}
.project-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}
.project-card-stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.project-card-stats .stat-label {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  line-height: 1;
}
.project-card-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--on-surface);
  letter-spacing: -0.01em;
  line-height: 1;
}

/* ---- Session List (project page) ---- */
.session-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 40px;
}
.session-card {
  display: block;
  padding: 14px 20px;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.session-card:hover {
  background: var(--surface-container-high);
  border-color: var(--primary);
}
.session-card:focus-visible {
  outline: 2px solid var(--ring-accent);
  outline-offset: 2px;
}
.session-card-primary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 8px;
}
.session-card-title {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface);
  line-height: 1.5;
  flex: 1;
  min-width: 0;
}
.session-card-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: 1px;
}
.session-card-secondary {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  overflow: hidden;
}
.session-card-id {
  color: var(--on-surface-variant);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 1;
  min-width: 0;
}
.session-card-meta-sep {
  color: var(--border-default);
  flex-shrink: 0;
  user-select: none;
}
.session-card-meta {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

/* ---- List view ---- */
.project-grid[data-view="list"] {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.project-grid[data-view="list"] .project-card {
  display: grid;
  grid-template-columns: 2fr 1fr 0.7fr 0.7fr 0.8fr;
  gap: 12px;
  align-items: center;
  padding: 10px 16px;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 2px;
  text-decoration: none;
  transition: background 0.15s;
}
.project-grid[data-view="list"] .project-card:hover {
  background: var(--surface-container-high);
  transform: none;
}
/* Project column wrapper — two-line cell in list view */
.project-grid[data-view="list"] .project-card-col-name {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.project-grid[data-view="list"] .project-card-name {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 1px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* Show path as muted second line in list view */
.project-grid[data-view="list"] .project-card-path {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.project-grid[data-view="list"] .project-card-activity {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-bottom: 0;
  white-space: nowrap;
}
.project-grid[data-view="list"] .project-card-stats {
  display: contents;
}
.project-grid[data-view="list"] .project-card-stats .stat-label { display: none; }
.project-grid[data-view="list"] .project-card-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-variant);
}
.project-grid[data-view="list"] .project-card-stats div {
  display: flex;
  align-items: center;
}
/* Hide "Last activity" label in list view (column header provides context) */
.project-grid[data-view="list"] .stat-label { display: none; }
.project-grid[data-view="list"] .project-card-activity .stat-value-activity {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--on-surface-variant);
}

.project-card[hidden],
.project-grid[data-view="list"] .project-card[hidden],
.session-card[hidden] { display: none !important; }

/* ---- List header row (inside project grid) ---- */
.list-header {
  display: none;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.project-grid[data-view="list"] > .list-header {
  display: grid;
  grid-template-columns: 2fr 1fr 0.7fr 0.7fr 0.8fr;
  gap: 12px;
  align-items: center;
}

.list-header-cell {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 4px;
}
.list-header-cell:hover { color: var(--on-surface-variant); }

.sort-asc::after { content: " \25B2"; font-size: 8px; }
.sort-desc::after { content: " \25BC"; font-size: 8px; }

/* ---- Empty state ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 24px;
  text-align: center;
}
.empty-state[hidden] { display: none; }
.empty-state-icon {
  font-size: 32px;
  opacity: 0.4;
}
.empty-state-text {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

/* ---- Footer ---- */
.index-footer {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .index-page,
  .project-page {
    padding: 80px 16px 16px;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
  .index-header h1,
  .project-header h1 {
    font-size: 22px;
  }
  .index-header-row {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
  .index-totals {
    gap: 14px;
  }
}
@media (max-width: 1024px) {
  .index-toolbar {
    flex-wrap: wrap;
  }
  .index-toolbar-center {
    order: 3;
    width: 100%;
  }
}

/* ===================================================================
   Status Bar
   =================================================================== */
.status-bar {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  padding-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.status-bar-active { color: var(--secondary); }
.status-bar-stats { display: flex; gap: 12px; }

/* ===================================================================
   Tool Result
   =================================================================== */
.tool-result {
  padding: 4px 0;
  border-left: 2px solid var(--border);
  padding-left: 10px;
  margin: 4px 0;
}
.tool-result--error {
  border-left-color: var(--error);
}
.tool-result-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.tool-result-content {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface);
  word-break: break-word;
}

/* ===================================================================
   Todo + Question widgets
   =================================================================== */
.todo-item {
  display: flex; align-items: center; gap: 8px;
  padding: 2px 0; font-size: 13px;
}
.todo-content { flex: 1; }
.todo-priority {
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
}
.status-chip {
  font-family: var(--font-mono); font-size: 10px;
  padding: 1px 6px; border-radius: 4px; white-space: nowrap;
}
.question-block { margin-bottom: 10px; }
.question-text { font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.question-options { display: flex; flex-wrap: wrap; gap: 6px; }
.question-option {
  display: inline-block;
  padding: 3px 10px;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--on-surface);
}

/* ===================================================================
   Tool Write Preview
   =================================================================== */
.tool-write-preview {
  font-family: var(--font-mono); font-size: 12px;
  line-height: 1.5; color: var(--on-surface);
  white-space: pre-wrap; word-break: break-word;
  max-height: 300px; overflow-y: auto;
}

/* ===================================================================
   MultiEdit
   =================================================================== */
.multiedit-op { margin-bottom: 12px; }
.multiedit-op:last-child { margin-bottom: 0; }

/* ===================================================================
   Tool IO footer
   =================================================================== */
.tool-io-footer {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--muted); margin-top: 4px;
}

/* ===================================================================
   Embedded images
   =================================================================== */
.embedded-image {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--border);
  margin: 12px 0;
  display: block;
}

/* ===================================================================
   v3 Shared modal
   =================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay[hidden] { display: none; }
.modal-dialog {
  position: relative;
  background: var(--surface-container);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-width: 800px;
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.modal-close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: none;
  border: none;
  color: var(--on-surface-variant);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 4px;
  z-index: 1;
}
.modal-close:hover { background: var(--surface-container-high); }
.modal-body {
  overflow-y: auto;
  padding: 16px;
  flex: 1;
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-surface);
}
/* Prose styles for markdown content rendered inside the modal (Read .md, Skill body) */
.modal-body h1,
.modal-body h2,
.modal-body h3,
.modal-body h4 {
  font-weight: 600;
  margin: 16px 0 8px;
  line-height: 1.3;
}
.modal-body h1 { font-size: 20px; }
.modal-body h2 { font-size: 17px; }
.modal-body h3 { font-size: 15px; }
.modal-body h4 { font-size: 13px; color: var(--on-surface-variant); }
.modal-body p { margin-bottom: 10px; }
.modal-body p:last-child { margin-bottom: 0; }
.modal-body ul,
.modal-body ol { padding-left: 24px; margin-bottom: 10px; }
.modal-body ul { list-style: disc; }
.modal-body ol { list-style: decimal; }
.modal-body li { margin-bottom: 4px; }
.modal-body li > p { margin-bottom: 4px; }
.modal-body ul:last-child,
.modal-body ol:last-child { margin-bottom: 0; }
.modal-body code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--surface-container-high);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1px 5px;
  color: var(--on-surface);
}
.modal-body pre {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px 14px;
  overflow-x: auto;
  margin-bottom: 10px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.modal-body pre code { background: none; border: none; padding: 0; }
.modal-body blockquote {
  border-left: 3px solid var(--border-default);
  padding-left: 12px;
  margin: 8px 0;
  color: var(--on-surface-variant);
}
.modal-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.modal-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.modal-body th,
.modal-body td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}
.modal-body th { background: var(--surface-container); font-weight: 600; }
.modal-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}
body.modal-open { overflow: hidden; }

/* ===================================================================
   v3 Flat Timeline — T4: User block + assistant text row
   =================================================================== */

/* User messages: muted faded block, no dot — T17: contrast + padding
   T22: sits at x=0 (full width), background covers the rail → breaks the thread */
.user-block {
  background: var(--surface-container);
  border-left: 3px solid var(--state-user);
  border-radius: 6px;
  padding: 14px 20px;
  max-width: 1040px;
  margin: 4px 0;
}
.user-block p { margin: 0 0 8px; }
.user-block p:last-child { margin-bottom: 0; }

/* row-body: prose content beside the dot (assistant text, etc.) */
.row-body {
  flex: 1;
  line-height: 1.6;
  min-width: 0;
}
.timeline-row--text { align-items: flex-start; padding: 6px 0; }
.row-body p { margin: 0 0 8px; }
.row-body p:last-child { margin-bottom: 0; }
.row-body code {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1px 5px;
}
.row-body pre {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px 14px;
  overflow-x: auto;
  margin-bottom: 8px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ===================================================================
   v3 Flat Timeline — T5: Thinking row (inline expand)
   =================================================================== */

.thinking-row { border: none; }
.thinking-row > .timeline-row { cursor: pointer; list-style: none; }
.thinking-row > .timeline-row::-webkit-details-marker { display: none; }
.thinking-disabled { opacity: 0.5; color: var(--muted); pointer-events: none; }
.thinking-body {
  margin-left: 18px;
  padding: 8px 0 8px 10px;
  border-left: 2px solid var(--border);
}
.thinking-pre {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-variant);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

/* ===================================================================
   v3 Flat Timeline — T6: Unified tool call row (details + IN/OUT)
   =================================================================== */

.tool-details { border: none; }
.tool-details > .timeline-row { cursor: pointer; list-style: none; }
.tool-details > .timeline-row::-webkit-details-marker { display: none; }
.tool-details-body {
  margin-left: 18px;
  padding: 6px 0;
  border-left: 2px solid var(--border);
  padding-left: 10px;
}
.tool-section {
  margin-bottom: 6px;
}
.tool-section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.tool-section-body {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface);
  background: var(--surface-container-lowest);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  line-height: 1.5;
}
.tool-section--error .tool-section-body {
  border-color: var(--error);
  background: color-mix(in srgb, var(--error) 8%, var(--surface));
}

/* T20 — IN/OUT overflow clamping: max-height + fade + click-to-modal */
.tool-section-pre-wrap {
  position: relative;
}
.tool-section-pre-wrap .tool-section-body {
  max-height: 12rem;
  overflow: hidden;
}
.tool-section-pre-wrap.is-clamped {
  cursor: pointer;
}
.tool-section-pre-wrap.is-clamped::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2.5rem;
  background: linear-gradient(transparent, var(--surface-container-lowest));
  pointer-events: none;
}
.tool-section--error .tool-section-pre-wrap.is-clamped::after {
  background: linear-gradient(transparent, color-mix(in srgb, var(--error) 8%, var(--surface)));
}

/* T7 — file-link trigger (Read filename → modal) */
.file-link {
  background: none;
  border: none;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  padding: 0;
  font: inherit;
  font-size: inherit;
}
.file-link:hover {
  text-decoration: underline;
  text-decoration-style: dotted;
}

/* T8 — skill-link trigger (Skill name → modal) */
.skill-link {
  background: none;
  border: none;
  color: var(--on-surface);
  cursor: pointer;
  padding: 0;
  font: inherit;
  font-size: inherit;
  text-decoration: underline;
  text-decoration-style: dotted;
}
.skill-link:hover { color: var(--primary); }

/* File contents in modal (from Read) */
.file-contents {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  color: var(--on-surface);
}
/* T20 — full content in modal (clamp overflow) */
.modal-pre {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  color: var(--on-surface);
  background: none;
  border: none;
  padding: 0;
}

/* ===================================================================
   v3 Flat Timeline — T9: Diff intra-line token highlight
   =================================================================== */

.diff-count--add { color: var(--secondary); font-weight: 600; }
.diff-count--del { color: var(--error); font-weight: 600; }
.diff-summary {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  background: var(--surface-container-low);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 8px;
}

/* Intra-line token spans — brighter than the line background */
.diff-tok--del {
  background: color-mix(in srgb, var(--error) 40%, transparent);
  border-radius: 2px;
  padding: 0 1px;
}
.diff-tok--add {
  background: color-mix(in srgb, var(--secondary) 40%, transparent);
  border-radius: 2px;
  padding: 0 1px;
}

/* ===================================================================
   v3 Flat Timeline — T11: Image thumbnails → modal
   =================================================================== */

.images-row { padding: 6px 0; }
.img-thumbnails {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
}
.img-thumb-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 2px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.img-thumb-btn:hover { border-color: var(--primary); }
.img-thumb {
  display: block;
  width: 80px;
  height: 60px;
  object-fit: cover;
  border-radius: 2px;
}
.img-modal-full {
  max-width: 100%;
  max-height: 70vh;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
}

/* ===================================================================
   T15 — Custom tooltip
   =================================================================== */
.weavr-tooltip {
  position: fixed;
  z-index: 2000;
  max-width: 360px;
  padding: 4px 8px;
  background: var(--surface-container-highest);
  color: var(--on-surface);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-all;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}
.weavr-tooltip[hidden] { display: none; }