/* ── Formatting toolbar (inside compose area) ───────────────────────────── */

.formatting-toolbar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.15rem;
  overflow: hidden;
  max-width: 600px;
  opacity: 1;
  transition: max-width 0.25s ease, opacity 0.2s ease;
}
.formatting-toolbar.toolbar-collapsed {
  max-width: 0;
  opacity: 0;
  pointer-events: none;
}
#format-toggle-btn .lucide-chevrons-left  { display: none; }
#format-toggle-btn.open .lucide-chevrons-left  { display: block; }
#format-toggle-btn.open .lucide-chevrons-right { display: none; }
.format-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: oklch(var(--bc) / 70%);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.format-btn:hover {
  background: oklch(var(--p) / 15%);
  color: oklch(var(--bc));
}
.format-btn:active {
  background: oklch(var(--p) / 25%);
}
.format-btn .lucide {
  width: 1rem;
  height: 1rem;
}

/* Emoji picker */
.emoji-picker {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 340px;
  height: 480px;
  background: oklch(var(--b1));
  border: 1px solid oklch(var(--bc) / 15%);
  border-radius: var(--radius-box);
  box-shadow: 0 4px 20px oklch(var(--bc) / 20%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.emoji-search-wrap {
  flex-shrink: 0;
  padding: 0.5rem;
  border-bottom: 1px solid oklch(var(--bc) / 10%);
}
.emoji-search {
  width: 100%;
  padding: 0.4rem 0.6rem;
  border: 1px solid oklch(var(--bc) / 20%);
  border-radius: var(--radius-sm);
  background: oklch(var(--b2));
  color: oklch(var(--bc));
  font-size: 0.875rem;
}
.emoji-search:focus {
  outline: none;
  border-color: oklch(var(--p) / 50%);
}
.emoji-categories {
  flex-shrink: 0;
  display: flex;
  gap: 0.25rem;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid oklch(var(--bc) / 10%);
  overflow-x: auto;
}
.emoji-category-btn {
  padding: 0.25rem 0.4rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.6;
  transition: opacity 0.15s, background 0.15s;
}
.emoji-category-btn:hover,
.emoji-category-btn.active {
  opacity: 1;
  background: oklch(var(--bc) / 10%);
}
.emoji-grid {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.25rem;
  align-content: start;
}
.emoji-item {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  font-size: 1.25rem;
  transition: background 0.15s ease, transform 0.1s ease;
}
.emoji-item.has-tones {
  position: relative;
}
.emoji-item.has-tones::after {
  content: '';
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: oklch(var(--p) / 60%);
  pointer-events: none;
}

.emoji-item:hover {
  background: oklch(var(--bc) / 12%);
  transform: scale(1.15);
}

.continue-btn {
  background: oklch(var(--er) / 25%);
  color: oklch(var(--er));
  border: 1px solid oklch(var(--er) / 40%);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.6rem;
  font-size: 0.8rem;
  cursor: pointer;
}
.continue-btn:hover {
  background: oklch(var(--er) / 40%);
}

.msg-tool {
  align-self: stretch;
  max-width: 100%;
  background: none;
  color: oklch(var(--bc) / 60%);
  font-size: 0.8rem;
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", monospace;
  padding: 2px 0;
  border-left: 2px solid oklch(var(--b3));
  padding-left: 8px;
}

.tool-label {
  color: oklch(var(--p));
  opacity: 0.85;
}

.tool-elapsed {
  opacity: 0.45;
  font-variant-numeric: tabular-nums;
}

.tool-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  cursor: default;
  line-height: 1.4;
}

.tool-left {
  flex: 1;
  min-width: 0;
}

.msg-tool .tool-shell .trace-header {
  cursor: pointer;
}


/* Trace row action buttons — shown in tool-header alongside the expand arrow */
.trace-delete,
.trace-copy {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 3px;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.35;
  color: oklch(var(--bc));
  transition: opacity 0.15s, color 0.15s;
}
.trace-delete:hover {
  opacity: 1;
  color: oklch(var(--er));
}
.trace-copy:hover {
  opacity: 1;
}

/* Full, untruncated tool call — shown above the result when the row preview
   was clipped. Tinted apart from the result pre so the call reads as the call. */
.tool-call-full {
  margin-top: 6px;
  white-space: pre-wrap;
  word-break: break-all;
  color: oklch(var(--bc) / 85%);
  font-size: 0.75rem;
  background: oklch(var(--b2));
  border-radius: var(--radius-sm);
  padding: 8px;
}

.tool-full {
  margin-top: 6px;
  white-space: pre-wrap;
  word-break: break-all;
  color: oklch(var(--bc));
  font-size: 0.75rem;
  background: oklch(var(--b1));
  border-radius: var(--radius-sm);
  padding: 8px;
  max-height: 60vh;
  overflow-y: auto;
}


/* Pending tool call */
.msg-tool.pending {
  border-left-color: oklch(var(--wa));
}

.tool-spinner {
  display: inline-block;
  width: 8px;
  height: 8px;
  border: 1.5px solid oklch(var(--bc) / 25%);
  border-top-color: oklch(var(--p));
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin-right: 5px;
  flex-shrink: 0;
  vertical-align: middle;
}

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