/* Chat header */
.chat-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

/* RAG mode badge + usage/cost status bar */
.rag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  order: 4;
  flex: 1 1 190px;
  min-width: 0;
  min-height: 30px;
  font-size: 0.72rem;
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg2) 78%, var(--accent) 8%);
  color: var(--text2);
  cursor: default;
}
.rag-badge.vector { color: #6ee7b7; border-color: rgba(110,231,183,.4); }
.rag-badge.lexical { color: #fbbf24; border-color: rgba(251,191,36,.4); }
.rag-badge.indexing { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 55%, transparent); }
.rag-badge.error { color: #fb7185; border-color: rgba(251,113,133,.45); }
.rag-badge.disabled { color: var(--text2); opacity: .7; }

.usage-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
  padding: 5px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.72rem;
  color: var(--text2);
}
.usage-bar .ctx-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex: 1;
}
.usage-bar .usage-text { white-space: nowrap; }
.usage-bar .ctx-track {
  flex: 1;
  min-width: 40px;
  height: 4px;
  border-radius: 999px;
  background: var(--input-border);
  overflow: hidden;
}
.usage-bar .ctx-meter {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.3s ease;
}
#cost-label { color: var(--text); font-variant-numeric: tabular-nums; }

#toggle-sessions { order: 1; }

.model-select-wrapper {
  order: 2;
  display: flex;
  align-items: center;
  flex: 1 1 200px;
  min-width: 140px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  overflow: hidden;
  height: 32px;
  transition: border-color 0.2s;
}
.model-select-wrapper:focus-within {
  border-color: var(--accent);
}
.model-select-wrapper select {
  flex: 1;
  border: none !important;
  background: transparent !important;
  color: var(--text);
  outline: none;
  padding: 2px 6px;
  font-size: 0.82rem;
  min-width: 0;
  height: 100%;
  cursor: pointer;
}
.settings-toggle-btn {
  width: 32px;
  height: 100%;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  color: var(--text2);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s;
  padding: 0;
}
.settings-toggle-btn:hover {
  background: var(--hover);
  color: var(--accent);
}

#new-session { order: 3; }

/* The beautiful modern settings popover */
.chat-settings-popover {
  position: absolute;
  top: 52px;
  right: 12px;
  z-index: 50;
  width: 290px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--sidebar-bg);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  animation: fadeIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}
#right-panel.dock-left .chat-settings-popover {
  left: 12px;
  right: auto;
}
.popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.popover-title {
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--text);
}
.popover-header .close-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text3);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color 0.15s;
}
.popover-header .close-btn:hover {
  color: var(--text);
}
.popover-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.popover-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}
.popover-field.flex-column {
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}
.popover-field.flex-row {
  flex-direction: row;
  align-items: center;
}
.field-label-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.field-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.field-desc {
  font-size: 0.68rem;
  color: var(--text3);
  margin-top: 1px;
}
.field-select-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.popover-select {
  height: 30px;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text);
  border-radius: 6px;
  padding: 0 8px;
  font-size: 0.78rem;
  outline: none;
  max-width: 140px;
  min-width: 100px;
}
.popover-select:focus {
  border-color: var(--accent);
}
.popover-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}
.popover-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Toggle switches */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: .25s cubic-bezier(0.16, 1, 0.3, 1);
}
.toggle-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text3);
  border-radius: 50%;
  transition: .25s cubic-bezier(0.16, 1, 0.3, 1);
}
.toggle-switch input:checked + .toggle-slider {
  background-color: color-mix(in srgb, var(--accent) 15%, var(--bg2));
  border-color: var(--accent);
}
.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(16px);
  background-color: var(--accent);
}

/* Chat status bar & active badges */
.chat-status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg0) 80%, var(--bg1));
  flex-wrap: wrap;
  min-height: 34px;
  flex-shrink: 0;
}
.active-badges-container {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.status-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text2);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.status-badge-pill:hover {
  background: var(--bg3);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  color: var(--text);
}
.status-badge-pill.ai-badge {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}
.status-badge-pill.web-badge {
  color: #6ee7b7;
  border-color: rgba(110,231,183,.3);
}
.status-badge-pill.voice-badge {
  color: #fca5a5;
  border-color: rgba(252,165,165,.3);
}

.model-control {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  color: var(--text2);
  font-size: 0.7rem;
}

.voice-mode-control {
  max-width: 100%;
}

.voice-mode-status {
  max-width: 135px;
  overflow: hidden;
  color: var(--text3);
  font-size: 0.68rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-control select {
  flex: 0 1 120px;
  height: 28px;
  max-width: 120px;
  min-width: 88px;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text);
  border-radius: 7px;
  padding: 2px 22px 2px 8px;
  font-size: 0.78rem;
}

.model-control select:focus {
  outline: none;
  border-color: var(--accent);
}

.hidden { display: none !important; }

/* Session drawer */
.chat-session-drawer {
  position: absolute;
  top: 8px;
  right: calc(100% + 8px);
  left: auto;
  bottom: 8px;
  z-index: 30;
  width: min(320px, 34vw);
  min-width: 260px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--sidebar-bg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transform: translateX(18px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

#right-panel.dock-left .chat-session-drawer {
  left: calc(100% + 8px);
  right: auto;
  transform: translateX(-18px);
}

.chat-session-drawer.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.chat-session-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 12px 10px;
  border-bottom: 1px solid var(--border);
}

.chat-session-drawer-head div {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chat-session-drawer-head strong {
  color: var(--text);
  font-size: 0.86rem;
}

.chat-session-drawer-head span {
  color: var(--text3);
  font-size: 0.72rem;
}

#session-drawer {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}
#session-drawer summary {
  padding: 7px 12px;
  color: var(--text2);
  cursor: pointer;
  font-size: 0.78rem;
}
#session-list {
  flex: 1;
  min-height: 0;
  max-height: none;
  overflow: auto;
  padding: 8px;
}
.session-item {
  padding: 5px 6px 5px 10px;
  border-radius: 6px;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
  font-size: 0.82rem;
}
.session-item + .session-item { margin-top: 3px; }
.session-item:hover { background: var(--hover); color: var(--text); }
.session-item.active { background: var(--active); color: var(--accent); }
.session-title-btn {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 4px 0;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: inherit;
}
.session-actions {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.session-item:hover .session-actions,
.session-item.active .session-actions,
.session-action-btn:focus-visible {
  opacity: 1;
}
.session-action-btn {
  width: 23px;
  height: 23px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: var(--text3);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 0.78rem;
  line-height: 1;
}
.session-action-btn:hover {
  background: var(--bg2);
  border-color: var(--border);
  color: var(--text);
}
.session-action-btn.danger:hover {
  color: var(--err);
}

/* Messages area — OpenAI/Dialogue style */
#messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scroll-padding-bottom: 24px;
  padding: 20px 16px 16px;
}

/* Floating "scroll to bottom" affordance when the user has scrolled up. */
.scroll-bottom-btn {
  position: absolute;
  right: 18px;
  bottom: 92px;
  z-index: 5;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg1);
  color: var(--text2);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,0.25);
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.scroll-bottom-btn:hover { color: var(--accent); transform: translateY(-1px); }
.scroll-bottom-btn.hidden { opacity: 0; pointer-events: none; transform: translateY(6px); }

.dialogue-turn {
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  animation: fadeIn 0.2s ease;
}

.dialogue-turn .turn-avatar {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.dialogue-turn.user .turn-avatar {
  background: var(--active);
  color: var(--accent);
}

.dialogue-turn.assistant .turn-avatar {
  background: var(--bg2);
  color: var(--text2);
}

.dialogue-turn .turn-content {
  min-width: 0;
  line-height: 1.7;
  font-size: 0.92rem;
  color: var(--text);
}

.dialogue-turn .turn-content p { margin: 0 0 0.8rem; }
.dialogue-turn .turn-content p:last-child { margin-bottom: 0; }
.dialogue-turn .turn-content ul, .dialogue-turn .turn-content ol { margin: 0.5rem 0; padding-left: 1.4rem; }
.dialogue-turn .turn-content li { margin: 0.2rem 0; }

.dialogue-turn .turn-content strong { color: var(--text); }
.dialogue-turn .turn-content em { color: var(--text2); }

.dialogue-turn .turn-content a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}
.dialogue-turn .turn-content a:hover { border-bottom-style: solid; }

.dialogue-turn .turn-content .chat-file-link {
  display: inline;
  color: var(--accent);
  background: transparent;
  border: 0;
  border-bottom: 1px dotted var(--accent);
  border-radius: 0;
  padding: 0;
  font: inherit;
  text-decoration: none;
}

.dialogue-turn .turn-content .chat-file-link:hover {
  background: transparent;
  border-bottom-style: solid;
}

.dialogue-turn .turn-content img.chat-inline-media {
  display: block;
  max-width: min(100%, 640px);
  max-height: 420px;
  margin: 10px 0;
  object-fit: contain;
  cursor: zoom-in;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg2);
  box-shadow: var(--shadow);
}

.dialogue-turn .turn-content code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: "Cascadia Code", "Fira Code", Consolas, monospace;
  font-size: 0.88em;
  color: var(--warn);
}

.dialogue-turn .turn-content pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  overflow-x: auto;
  margin: 0.6rem 0;
  line-height: 1.5;
}

.dialogue-turn .turn-content pre code {
  background: none;
  padding: 0;
  color: var(--text);
  font-size: 0.84rem;
}

.assistant-waiting {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text3);
  background: rgba(255, 255, 255, 0.015);
  font-size: 0.82rem;
}

.assistant-waiting .event-spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--text3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.chat-error-card {
  display: grid;
  gap: 8px;
  max-width: 100%;
  padding: 11px 12px;
  border: 1px solid color-mix(in srgb, var(--err) 35%, var(--border));
  border-radius: 9px;
  background: rgba(224,108,117,0.07);
  color: var(--text);
}

.chat-error-top {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 9px;
  align-items: start;
}

.chat-error-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: color-mix(in srgb, var(--err) 18%, transparent);
  color: var(--err);
  font-weight: 800;
}

.chat-error-title {
  color: var(--err);
  font-weight: 700;
  font-size: 0.88rem;
}

.chat-error-message {
  margin-top: 2px;
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.45;
}

.chat-error-hint,
.chat-error-meta {
  color: var(--text3);
  font-size: 0.78rem;
  line-height: 1.45;
}

.chat-error-details summary {
  color: var(--text3);
  cursor: pointer;
  font-size: 0.76rem;
}

.chat-error-details pre {
  max-height: 160px;
  margin: 6px 0 0;
  padding: 8px 10px;
  overflow: auto;
  white-space: pre-wrap;
  color: var(--text2);
}

.dialogue-turn .turn-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.6rem 0;
  font-size: 0.88rem;
  border: 1px solid var(--table-border);
}

.dialogue-turn .turn-content .table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin: 0.6rem 0;
}

.dialogue-turn .turn-content .table-scroll table {
  margin: 0;
  min-width: 520px;
}

.dialogue-turn .turn-content th {
  background: var(--bg2);
  color: var(--text2);
  font-weight: 600;
  padding: 7px 12px;
  text-align: left;
  border-bottom: 2px solid var(--table-border);
}

.dialogue-turn .turn-content td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--table-border);
}

.dialogue-turn .turn-content blockquote {
  border-left: 3px solid var(--blockquote-border);
  background: var(--blockquote-bg);
  margin: 0.6rem 0;
  padding: 0.6rem 1rem;
  border-radius: 0 6px 6px 0;
  color: var(--text2);
}

.dialogue-turn .turn-content img {
  max-width: 100%;
  max-height: 400px;
  border-radius: 6px;
  margin: 0.4rem 0;
}

.dialogue-turn .turn-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

.dialogue-turn .turn-content h1, .dialogue-turn .turn-content h2,
.dialogue-turn .turn-content h3, .dialogue-turn .turn-content h4 {
  margin: 1rem 0 0.4rem;
  color: var(--text);
}

/* Streaming cursor + fade */
.dialogue-turn.streaming .turn-content::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 16px;
  margin-left: 2px;
  background: var(--accent);
  animation: blink 0.7s infinite;
  vertical-align: text-bottom;
  border-radius: 1px;
}

@keyframes streamFade {
  from { opacity: 0.7; filter: blur(1px); }
  to { opacity: 1; filter: blur(0); }
}

/* ---- Collapsible event blocks ---- */
.event-block {
  margin: 2px 0;
  border: 1px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
  background: var(--bg1);
  animation: fadeIn 0.25s ease;
}
/* Collapsed tool/thinking nodes pack tightly together. */
.event-block + .event-block { margin-top: 1px; }

.event-block summary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  cursor: pointer;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--text3);
  user-select: none;
  list-style: none;
}

.event-block summary::-webkit-details-marker { display: none; }

.event-block summary .event-icon { font-size: 0.74rem; flex-shrink: 0; opacity: 0.85; }
.event-block summary .event-label { flex: 1; min-width: 0; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.event-block summary .event-status { font-size: 0.68rem; color: var(--text3); }
/* Collapsed nodes read as a compact one-line chip; only expand on demand. */
.event-block:not([open]) { background: transparent; }
.event-block:not([open]) summary:hover { background: var(--hover); }

.event-block.thinking {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.01);
}
.event-block.thinking summary { color: var(--text2); }
.event-block.thinking summary .event-icon { color: var(--accent); }

.event-block.tool {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.01);
}
.event-block.tool summary { color: var(--text2); }
.event-block.tool summary .event-icon { color: var(--accent2); }

.event-block.search {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.01);
}
.event-block.search summary { color: var(--text2); }
.event-block.search summary .event-icon { color: var(--warn); }

.event-block.subagent {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.01);
}
.event-block.subagent summary { color: var(--text2); }
.event-block.subagent summary .event-icon { color: var(--err); }

.event-block .event-body {
  padding: 5px 10px 6px 22px;
  font-size: 0.74rem;
  color: var(--text3);
  line-height: 1.4;
  max-height: 220px;
  overflow: auto;
  overscroll-behavior: contain;
  border-top: 1px solid var(--border);
}

.event-block .event-body pre {
  background: var(--code-bg);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 0.78rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 4px 0;
}

.event-block .event-body code {
  background: var(--code-bg);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.85em;
}

.tool-payload {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tool-kv-list {
  display: grid;
  gap: 6px;
}

.tool-kv {
  display: grid;
  grid-template-columns: minmax(70px, 0.25fr) 1fr;
  gap: 8px;
  align-items: start;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(255,255,255,0.02);
}

.tool-kv span {
  color: var(--text3);
  font-size: 0.76rem;
}

.tool-kv strong {
  color: var(--text);
  font-weight: 500;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.tool-result-list {
  display: grid;
  gap: 7px;
}

.tool-result-card {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg2);
}

.tool-file-card {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg2);
}

.tool-file-op {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.tool-file-path {
  margin-top: 3px;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.tool-result-title {
  color: var(--text);
  font-weight: 700;
  font-size: 0.83rem;
}

.tool-result-meta {
  color: var(--text3);
  font-size: 0.74rem;
  margin-top: 2px;
  overflow-wrap: anywhere;
}

.tool-result-snippet,
.tool-content-preview,
.tool-text {
  color: var(--text2);
  font-size: 0.8rem;
  line-height: 1.45;
  margin-top: 5px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.tool-content-preview,
.tool-text {
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--bg2);
}

.tool-asset-card {
  display: grid;
  grid-template-columns: minmax(120px, 220px) 1fr;
  gap: 12px;
  align-items: stretch;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg2) 86%, var(--accent) 5%);
}

.tool-asset-card.audio {
  grid-template-columns: 1fr;
}

.tool-asset-preview,
.tool-asset-player {
  width: 100%;
  max-height: 240px;
  border-radius: 7px;
  background: #000;
  object-fit: contain;
}

.tool-asset-card.audio .tool-asset-player {
  max-height: none;
}

.tool-asset-body {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 6px;
}

.tool-asset-kind {
  width: fit-content;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--active);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
}

.tool-asset-path {
  color: var(--accent);
  overflow-wrap: anywhere;
  font-weight: 650;
}

.tool-asset-details {
  color: var(--text2);
  font-size: 0.8rem;
}

.tool-asset-details div {
  margin-top: 5px;
  white-space: pre-wrap;
  color: var(--text);
}

.tool-empty {
  color: var(--text3);
  font-size: 0.8rem;
  padding: 8px 10px;
  border: 1px dashed var(--border);
  border-radius: 6px;
}

.tool-error {
  color: var(--err);
  font-size: 0.8rem;
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--err) 35%, var(--border));
  border-radius: 6px;
  background: rgba(224,108,117,0.06);
}

.event-block .event-spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--text3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Typing indicator */
.typing-turn {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-left: 40px;
}

.typing-indicator {
  display: flex;
  gap: 4px;
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  background: var(--text3);
  border-radius: 50%;
  animation: bounce 1.2s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-7px); }
}

/* Composer */
#composer {
  flex-shrink: 0;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.attachment-preview {
  width: 100%;
  display: flex;
  gap: 8px;
  padding-bottom: 2px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.attachment-preview.hidden { display: none; }

.attachment-card {
  position: relative;
  flex: 0 0 auto;
  width: 104px;
  min-height: 70px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.attachment-card img {
  width: 100%;
  height: 70px;
  display: block;
  object-fit: cover;
}

.attachment-file-icon {
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.15rem;
}

.attachment-name {
  padding: 5px 7px 6px;
  color: var(--text2);
  font-size: 0.72rem;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attachment-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: color-mix(in srgb, var(--bg1) 88%, transparent);
  color: var(--text2);
  cursor: pointer;
  line-height: 1;
}

.attachment-remove:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--active);
}

.composer-attach-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.composer-attach-btn:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--input-border));
  background: var(--active);
}

.composer-mic-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.composer-mic-btn:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--input-border));
  background: var(--active);
}

.composer-mic-btn.recording {
  color: #ff4d4f;
  border-color: #ff4d4f;
  background: color-mix(in srgb, #ff4d4f 10%, var(--input-bg));
  animation: mic-pulse 1.5s infinite;
}

.composer-mic-btn.transcribing {
  color: #1890ff;
  border-color: #1890ff;
  background: color-mix(in srgb, #1890ff 10%, var(--input-bg));
  animation: mic-pulse 1.5s infinite;
}

@keyframes mic-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 77, 79, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(255, 77, 79, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 77, 79, 0); }
}

#message-input {
  flex: 1;
  min-width: 0;
  min-height: 40px;
  max-height: 96px;
  resize: none;
  padding: 10px 14px;
  line-height: 1.45;
  font-size: 0.88rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text);
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

#message-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent), inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.composer-send-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  box-shadow: var(--shadow);
  transition: background 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.composer-send-btn .send-ic {
  display: block;
}

.composer-send-btn .stop-ic {
  display: none;
  width: 12px;
  height: 12px;
  background: currentColor;
  border-radius: 2px;
}

.composer-send-btn:hover {
  background: color-mix(in srgb, var(--accent) 88%, #fff);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.composer-send-btn:active {
  background: color-mix(in srgb, var(--accent) 85%, #000);
  transform: translateY(1px);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* Streaming state — the send button becomes a clickable STOP button. */
#composer.streaming .composer-send-btn {
  background: var(--err);
  color: #fff;
  cursor: pointer;
  box-shadow: none;
  animation: pulse-streaming 2s infinite ease-in-out;
}
#composer.streaming .composer-send-btn .send-ic { display: none; }
#composer.streaming .composer-send-btn .stop-ic { display: inline-block; }

@keyframes pulse-streaming {
  0% { opacity: 0.6; }
  50% { opacity: 0.9; }
  100% { opacity: 0.6; }
}

/* Tool drawer */
#tool-drawer {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
}
#tool-drawer summary {
  padding: 6px 12px;
  color: var(--text2);
  cursor: pointer;
  font-size: 0.78rem;
}
#tool-list {
  max-height: 120px;
  overflow: auto;
  padding: 0 8px 8px;
}
.tool-item {
  margin-top: 5px;
  padding: 5px 7px;
  border-radius: 5px;
  background: var(--hover);
  color: var(--text3);
  font-size: 0.75rem;
}
.tool-item.enabled { color: var(--text2); }

/* Resize handles */
.resize-handle {
  width: 6px;
  cursor: col-resize;
  background: transparent;
  transition: background 0.2s;
  flex-shrink: 0;
  z-index: 10;
}
.resize-handle:hover, .resize-handle.active {
  background: var(--accent);
  opacity: 0.4;
}

/* Capability badges */
.cap-badge {
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  font-size: 0.7rem;
  border-radius: 3px;
  margin-left: 3px;
  vertical-align: middle;
}
.cap-badge.vision { background: rgba(97,175,239,0.15); }
.cap-badge.files { background: rgba(152,195,121,0.15); }
.cap-badge.tools { background: rgba(229,192,123,0.15); }
.cap-badge.search { background: rgba(97,175,239,0.15); }
.cap-badge.img { background: rgba(204,93,232,0.15); }
.cap-badge.vid { background: rgba(224,108,117,0.15); }
.cap-badge.audio { background: rgba(81,207,102,0.15); }
.cap-badge.reason { background: rgba(240,160,96,0.15); }

/* ---- Interactive Poll & Planning Decision Cards ---- */
.interactive-poll-card {
  margin: 14px 0;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: min(64vh, 560px);
  overflow: hidden;
}

.interactive-poll-card.loading {
  opacity: 0.8;
  border-style: dashed;
}

.interactive-poll-card.collapsed .poll-title,
.interactive-poll-card.collapsed .poll-question,
.interactive-poll-card.collapsed .poll-options-grid,
.interactive-poll-card.collapsed .poll-actions {
  display: none;
}

.interactive-poll-card.answered {
  max-height: none;
}

.poll-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.poll-progress {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
}

.poll-collapse-btn {
  border: none;
  background: transparent;
  color: var(--text2);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 2px 6px;
}

.poll-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.poll-question {
  font-size: 0.8rem;
  color: var(--text2);
  line-height: 1.45;
}

.poll-options-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  overflow-x: hidden;
  max-height: min(38vh, 340px);
  padding-right: 4px;
}

.poll-option-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 11px;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.poll-option-row:hover {
  background: var(--hover);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.poll-option-row input[type="radio"] {
  display: none;
}

.poll-radio {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border: 2px solid var(--text3);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  transition: all 0.2s ease;
}

.poll-option-row input[type="radio"]:checked + .poll-radio {
  border-color: var(--accent);
}

.poll-option-row input[type="radio"]:checked + .poll-radio::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--accent);
}

.poll-option-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.poll-option-label {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.poll-option-description {
  font-size: 0.8rem;
  color: var(--text2);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.poll-custom-input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 7px 9px;
  color: var(--text);
  font-size: 0.82rem;
  outline: none;
  transition: border-color 0.2s;
}

.poll-custom-input:focus {
  border-color: var(--accent);
}

.poll-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 2px;
  flex-shrink: 0;
}

.poll-close-btn,
.poll-submit-btn {
  border: none;
  border-radius: 6px;
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.poll-close-btn {
  background: var(--bg2);
  color: var(--text2);
}

.poll-close-btn:hover {
  background: var(--bg3);
  color: var(--text);
  transform: translateY(-1px);
}

.poll-submit-btn {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.poll-submit-btn:hover {
  background: color-mix(in srgb, var(--accent) 88%, #fff);
  transform: translateY(-1px);
}

.poll-selected-answer {
  display: flex;
  gap: 6px;
  align-items: baseline;
  min-width: 0;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg2);
  color: var(--text);
  font-size: 0.82rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.poll-selected-answer span {
  color: var(--text2);
  flex-shrink: 0;
}

/* ---- Follow-up queue (typed while a turn is streaming) ---- */
.msg-queue {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 10px;
  margin: 0 12px 8px;
  max-height: 180px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg1);
}
.msg-queue.hidden { display: none; }
.queue-hint {
  font-size: 0.72rem;
  color: var(--text3);
  margin-bottom: 2px;
}
.queue-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  background: var(--bg2);
}
.queue-text {
  flex: 1;
  min-width: 0;
  font-size: 0.82rem;
  color: var(--text2);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.queue-actions { display: flex; gap: 6px; flex-shrink: 0; }
.queue-btn {
  border: 1px solid var(--border);
  background: var(--bg1);
  color: var(--text2);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.74rem;
  cursor: pointer;
}
.queue-btn.clarify { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.queue-btn.remove { color: var(--text3); }
.queue-btn:hover { background: var(--active); }

.reconnect-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  padding: 5px 10px;
  border-left: 2px solid var(--warn);
  background: var(--bg2);
  border-radius: 0 6px 6px 0;
  font-size: 0.78rem;
  color: var(--text2);
}

.clarification-applied {
  margin: 6px 0;
  padding: 5px 10px;
  border-left: 2px solid var(--accent);
  background: var(--bg2);
  border-radius: 0 6px 6px 0;
  font-size: 0.78rem;
  color: var(--text2);
}

/* ---- Message edit / rollback ---- */
.dialogue-turn { position: relative; }
.turn-tools {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.dialogue-turn:hover .turn-tools { opacity: 1; }
.turn-tool-btn {
  border: 1px solid var(--border);
  background: var(--bg1);
  color: var(--text3);
  border-radius: 5px;
  width: 24px;
  height: 22px;
  font-size: 0.78rem;
  cursor: pointer;
}
.turn-tool-btn:hover { color: var(--accent); background: var(--active); }
.msg-edit { display: flex; flex-direction: column; gap: 6px; }
.msg-edit-input {
  width: 100%;
  resize: vertical;
  min-height: 48px;
  padding: 8px 10px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--bg1);
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
}
.msg-edit-actions { display: flex; gap: 8px; }
.msg-edit-save, .msg-edit-cancel {
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 0.78rem;
  cursor: pointer;
  border: 1px solid var(--border);
}
.msg-edit-save { background: var(--accent); color: #fff; border-color: var(--accent); }
.msg-edit-cancel { background: var(--bg1); color: var(--text2); }

@media (max-width: 1000px) {
  .chat-session-drawer {
    left: 8px;
    right: 8px;
    width: auto;
    min-width: 0;
    transform: translateY(14px);
  }

  .chat-session-drawer.open {
    transform: translateY(0);
  }
}