/* ── Quick Chat FAB ──────────────────────────────────────────────── */

/* Position set via inline style from useDraggable */
.quick-chat-fab {
  position: fixed;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--todo) 45%, var(--border));
  background: var(--todo);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--todo) 35%, rgba(0, 0, 0, 0.45));
  cursor: grab;
  z-index: 1000;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.quick-chat-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px color-mix(in srgb, var(--todo) 40%, rgba(0, 0, 0, 0.5));
  filter: brightness(1.04);
}

.quick-chat-fab:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

/* Disable hover effects during drag for responsiveness */
.quick-chat-fab[data-dragging="true"] {
  cursor: grabbing;
  transform: scale(1.1);
  transition: none;
}

.quick-chat-fab--hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

/* Position set via inline style from useDraggable */
.quick-chat-panel {
  --quick-chat-min-width: 280px;
  --quick-chat-min-height: 260px;

  position: fixed;
  width: 320px;
  height: 400px;
  min-width: var(--quick-chat-min-width);
  min-height: var(--quick-chat-min-height);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 1001;
}

.quick-chat-resize-handle {
  position: absolute;
  z-index: 2;
  background: transparent;
}

.quick-chat-resize-handle[data-resize-direction="n"] {
  cursor: ns-resize;
  top: 0;
  left: 6px;
  right: 6px;
  height: 6px;
}

.quick-chat-resize-handle[data-resize-direction="w"] {
  cursor: ew-resize;
  top: 6px;
  left: 0;
  bottom: 6px;
  width: 6px;
}

.quick-chat-resize-handle[data-resize-direction="nw"] {
  cursor: nwse-resize;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
}

.quick-chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 88%, var(--card));
}

.quick-chat-panel-header h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.quick-chat-panel-header-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.quick-chat-panel-header-actions .btn {
  white-space: nowrap;
}

.quick-chat-mode-toggle {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border);
}

.quick-chat-mode-btn {
  flex: 1;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.quick-chat-mode-btn:hover {
  background: color-mix(in srgb, var(--todo) 10%, transparent);
  color: var(--text);
  border-color: color-mix(in srgb, var(--todo) 40%, var(--border));
}

.quick-chat-mode-btn--active {
  background: color-mix(in srgb, var(--todo) 18%, transparent);
  color: var(--text);
  border-color: color-mix(in srgb, var(--todo) 50%, var(--border));
  font-weight: 500;
}

.quick-chat-mode-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

.quick-chat-panel-agent-select {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.quick-chat-panel-agent-select select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 9px;
}

.quick-chat-panel-messages {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--bg) 35%, transparent);
}

.quick-chat-panel-empty {
  margin: auto;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.quick-chat-panel-message {
  max-width: 86%;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.45;
  word-break: break-word;
}

.quick-chat-panel-message p {
  margin: 0;
  white-space: pre-wrap;
}

.quick-chat-message-content--plain {
  white-space: pre-wrap;
}

.quick-chat-message-content--markdown {
  white-space: normal;
  overflow-wrap: anywhere;
}

.quick-chat-message-content--markdown > :first-child {
  margin-top: 0;
}

.quick-chat-message-content--markdown > :last-child {
  margin-bottom: 0;
}

.quick-chat-message-content--markdown p,
.quick-chat-message-content--markdown ul,
.quick-chat-message-content--markdown ol,
.quick-chat-message-content--markdown blockquote,
.quick-chat-message-content--markdown pre,
.quick-chat-message-content--markdown table {
  margin: 0 0 var(--space-sm);
}

.quick-chat-message-content--markdown ul,
.quick-chat-message-content--markdown ol {
  padding-left: var(--space-lg);
}

.quick-chat-message-content--markdown code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.quick-chat-message-content--markdown :not(pre) > code {
  padding: 0 var(--space-xs);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}

.quick-chat-markdown-pre {
  margin: 0 0 var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  overflow-x: auto;
  white-space: pre;
  max-width: 100%;
}

.quick-chat-markdown-table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.quick-chat-markdown-table th,
.quick-chat-markdown-table td {
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  padding: var(--space-xs) var(--space-sm);
}

.quick-chat-panel-message--sent {
  align-self: flex-end;
  background: color-mix(in srgb, var(--todo) 20%, transparent);
  border-color: color-mix(in srgb, var(--todo) 45%, var(--border));
}

.quick-chat-panel-message--received {
  position: relative;
  align-self: flex-start;
  background: var(--card);
}

.quick-chat-message-render-toggle {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  width: 20px;
  height: 20px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  color: var(--text-tertiary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.quick-chat-panel-message--received:hover .quick-chat-message-render-toggle,
.quick-chat-message-render-toggle:focus-visible {
  opacity: 1;
}

.quick-chat-message-render-toggle--plain {
  opacity: 1;
  color: var(--accent);
}

.quick-chat-message-render-toggle:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.quick-chat-panel-input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 85%, var(--bg));
}

.quick-chat-panel-input input {
  flex: 1;
  min-width: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 8px 10px;
}

.quick-chat-panel-input button {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--todo) 45%, var(--border));
  background: var(--todo);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.quick-chat-panel-input button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* === Quick Chat Mobile (FN: full-screen) =================================== */
@media (max-width: 768px) {
  .quick-chat-panel {
    /* Full-screen sheet that ignores drag position on mobile. The inline
       style from useDraggable supplies left/top, but our overrides win via
       !important so the user sees a proper modal-style sheet. */
    position: fixed !important;
    inset: 0 !important;
    left: 0 !important;
    top: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-width: 100vw;
    max-height: 100vh;
    max-height: 100dvh;
    border-radius: 0;
    border: none;
    z-index: 1100;
  }

  .quick-chat-resize-handle {
    display: none;
  }

  .quick-chat-panel-messages {
    /* Let messages take all remaining space between header and input */
    flex: 1 1 auto;
    min-height: 0;
  }

  .quick-chat-panel-input {
    /* Reserve safe-area space so the input clears the iOS home bar */
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  }

  .quick-chat-panel-header {
    flex-wrap: wrap;
    row-gap: var(--space-sm);
  }

  .quick-chat-panel-header-actions {
    width: 100%;
    justify-content: space-between;
  }

}

.chat-message-thinking-content {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.chat-message-thinking {
  margin-top: 6px;
}

.chat-message-thinking summary {
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
}

.chat-message-thinking-content {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px;
  background: var(--bg);
  border-radius: 6px;
  margin-top: 4px;
  white-space: pre-wrap;
  font-family: var(--font-mono, monospace);
  overflow-x: auto;
}

/* === Chat Tool Calls === */
.chat-tool-calls {
  margin-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.chat-tool-calls-header {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--space-md);
}

.chat-tool-call {
  border: var(--btn-border-width, 1px) solid color-mix(in srgb, var(--border) 85%, transparent);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface) 35%, transparent);
}

.chat-tool-call summary {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: var(--space-md);
  min-width: 0;
}

.chat-tool-call summary::marker {
  content: "";
}

.chat-tool-call summary::-webkit-details-marker {
  display: none;
}

.chat-tool-call summary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

.chat-tool-call-status-dot {
  width: calc((var(--space-xs) + var(--space-sm)) / 2);
  height: calc((var(--space-xs) + var(--space-sm)) / 2);
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
}

.chat-tool-call-name {
  font-family: var(--font-mono, monospace);
  flex-shrink: 0;
}

.chat-tool-call-preview {
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
  font-size: 0.6875rem;
}

.chat-tool-call-status-text {
  margin-left: auto;
  font-size: 0.6875rem;
  text-transform: lowercase;
}

.chat-tool-call-content {
  margin: var(--space-xs) var(--space-sm) var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: var(--font-mono, monospace);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.chat-tool-call-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xs);
  align-items: start;
}

.chat-tool-call-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.6875rem;
}

.chat-tool-call-value {
  color: var(--text);
  word-break: break-word;
  white-space: pre-wrap;
}

.chat-tool-call--running .chat-tool-call-status-dot {
  background: var(--color-info);
  animation: tool-call-pulse var(--transition-slow) infinite;
}

.chat-tool-call--error summary {
  color: var(--color-error);
}

.chat-tool-call--error .chat-tool-call-status-dot {
  background: var(--color-error);
}

.chat-tool-call-row--error {
  background: color-mix(in srgb, var(--color-error) 10%, transparent);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
}

.chat-tool-calls--compact .chat-tool-calls-header,
.chat-tool-calls--compact .chat-tool-call summary,
.chat-tool-calls--compact .chat-tool-call-content,
.chat-tool-calls--compact .chat-tool-call-preview,
.chat-tool-calls--compact .chat-tool-call-value {
  font-size: 0.6875rem;
}

@keyframes tool-call-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

/* Streaming indicator */
.chat-message--streaming {
  align-self: flex-start;
  background: var(--bg-elevated, var(--bg-secondary));
  color: var(--text);
  border-bottom-left-radius: 4px;
  opacity: 0.9;
}

.chat-pending-message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--todo) 10%, transparent);
  color: var(--text-muted);
  font-size: 12px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.chat-pending-message span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-pending-message-dismiss {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
  flex-shrink: 0;
  font-size: 14px;
}

.chat-pending-message-dismiss:hover {
  color: var(--text-muted);
}

.chat-message-thinking {
  margin-top: 6px;
}

.chat-message-thinking summary {
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
}

.chat-message-thinking-content {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px;
  background: var(--bg);
  border-radius: 6px;
  margin-top: 4px;
  white-space: pre-wrap;
  font-family: var(--font-mono, monospace);
  overflow-x: auto;
}

/* === Chat Tool Calls === */
.chat-tool-calls {
  margin-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.chat-tool-calls-header {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--space-md);
}

.chat-tool-call {
  border: var(--btn-border-width, 1px) solid color-mix(in srgb, var(--border) 85%, transparent);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface) 35%, transparent);
}

.chat-tool-call summary {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: var(--space-md);
  min-width: 0;
}

.chat-tool-call summary::marker {
  content: "";
}

.chat-tool-call summary::-webkit-details-marker {
  display: none;
}

.chat-tool-call summary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

.chat-tool-call-status-dot {
  width: calc((var(--space-xs) + var(--space-sm)) / 2);
  height: calc((var(--space-xs) + var(--space-sm)) / 2);
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
}

.chat-tool-call-name {
  font-family: var(--font-mono, monospace);
  flex-shrink: 0;
}

.chat-tool-call-preview {
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
  font-size: 0.6875rem;
}

.chat-tool-call-status-text {
  margin-left: auto;
  font-size: 0.6875rem;
  text-transform: lowercase;
}

.chat-tool-call-content {
  margin: var(--space-xs) var(--space-sm) var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: var(--font-mono, monospace);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.chat-tool-call-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xs);
  align-items: start;
}

.chat-tool-call-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.6875rem;
}

.chat-tool-call-value {
  color: var(--text);
  word-break: break-word;
  white-space: pre-wrap;
}

.chat-tool-call--running .chat-tool-call-status-dot {
  background: var(--color-info);
  animation: tool-call-pulse var(--transition-slow) infinite;
}

.chat-tool-call--error summary {
  color: var(--color-error);
}

.chat-tool-call--error .chat-tool-call-status-dot {
  background: var(--color-error);
}

.chat-tool-call-row--error {
  background: color-mix(in srgb, var(--color-error) 10%, transparent);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
}

.chat-tool-calls--compact .chat-tool-calls-header,
.chat-tool-calls--compact .chat-tool-call summary,
.chat-tool-calls--compact .chat-tool-call-content,
.chat-tool-calls--compact .chat-tool-call-preview,
.chat-tool-calls--compact .chat-tool-call-value {
  font-size: 0.6875rem;
}

@keyframes tool-call-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

/* Streaming indicator */
.chat-message--streaming {
  align-self: flex-start;
  background: var(--bg-elevated, var(--bg-secondary));
  color: var(--text);
  border-bottom-left-radius: 4px;
  opacity: 0.9;
}

.chat-pending-message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--todo) 10%, transparent);
  color: var(--text-muted);
  font-size: 12px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.chat-pending-message span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-pending-message-dismiss {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
  flex-shrink: 0;
  font-size: 14px;
}

.chat-pending-message-dismiss:hover {
  color: var(--text-muted);
}

/* === Rescued: classes referenced in QuickChatFAB/ChatView TSX but never defined ====== */
.chat-mention-chip {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 1px 6px;
  margin: 0 1px;
  background: color-mix(in srgb, var(--todo) 14%, transparent);
  color: var(--todo);
  border: 1px solid color-mix(in srgb, var(--todo) 30%, transparent);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}

.quick-chat-panel-message--streaming {
  position: relative;
  opacity: 0.95;
}

.quick-chat-panel-message--streaming::after {
  content: "▍";
  display: inline-block;
  margin-left: 2px;
  color: var(--todo);
  animation: quick-chat-cursor-blink 1s steps(1) infinite;
}

@keyframes quick-chat-cursor-blink {
  50% { opacity: 0; }
}

@media (max-width: 768px) {
  /* Quick chat send button: touch target on mobile */
  .quick-chat-panel-input button {
    min-width: 36px;
    min-height: 36px;
  }
}