.chat-composer {
  position: relative;
  min-width: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chat-composer-input-wrap {
  position: relative;
  min-width: 0;
}

.chat-composer-textarea,
.chat-composer-overlay {
  display: block;
  width: 100%;
  min-width: 0;
  resize: none;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: normal;
  tab-size: 2;
}

.chat-composer-textarea {
  position: relative;
  z-index: 2;
  color: transparent;
  caret-color: #ffffff;
  background: transparent;
  -webkit-text-fill-color: transparent;
}

.chat-composer-textarea::selection {
  color: transparent;
  background: rgba(125, 220, 255, 0.28);
}

.chat-composer-textarea::placeholder {
  color: rgba(238, 246, 255, 0.78);
  opacity: 1;
  -webkit-text-fill-color: rgba(238, 246, 255, 0.78);
}

.chat-composer-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
  scrollbar-width: none;
  color: #ffffff;
  background: transparent;
}

.chat-composer-overlay::-webkit-scrollbar {
  display: none;
}

.chat-composer-overlay[hidden] {
  display: none;
}

.chat-composer-overlay-content {
  min-height: 100%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: normal;
}

.chat-md-marker,
.chat-md-fence,
.chat-md-quote-marker {
  color: rgba(188, 201, 222, 0.9);
}

.chat-md-inline-code {
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.58);
  color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.18);
}

.chat-md-empty-inline-code {
  color: rgba(188, 201, 222, 0.82);
}

.chat-md-code-block {
  display: inline;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(15, 23, 42, 0.5);
}

.chat-md-bold {
  color: #ffffff;
  text-shadow: 0 0 0 currentColor;
}

.chat-md-italic {
  color: rgba(221, 232, 248, 0.98);
  text-decoration: underline;
  text-decoration-color: rgba(125, 220, 255, 0.26);
  text-underline-offset: 2px;
}

.chat-md-strike {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.chat-md-link {
  color: #7ddcff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.chat-md-quote {
  color: #c8d4e8;
  text-decoration: underline;
  text-decoration-color: rgba(125, 220, 255, 0.26);
  text-underline-offset: 2px;
}

.chat-command-palette {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 6px);
  z-index: 12;
  display: grid;
  gap: 3px;
  max-height: 226px;
  overflow-y: auto;
  padding: 6px;
  border: 1px solid rgba(147, 170, 203, 0.24);
  border-radius: 8px;
  background: rgba(7, 12, 22, 0.98);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

.chat-command-palette[hidden] {
  display: none;
}

.chat-command-option {
  display: grid;
  grid-template-columns: minmax(72px, max-content) minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text, #eef6ff);
  text-align: left;
}

.chat-command-option strong {
  color: #7ddcff;
  font: 700 12px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.chat-command-option span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted, #9aa7bb);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-command-option[aria-selected="true"],
.chat-command-option:hover,
.chat-command-option:focus-visible {
  border-color: rgba(125, 220, 255, 0.24);
  background: rgba(125, 220, 255, 0.12);
  outline: none;
}

.chat-command-empty {
  padding: 8px;
  color: var(--muted, #9aa7bb);
  font-size: 12px;
}

.chat-rendered-markdown,
.agent-markdown.chat-rendered-markdown {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: normal;
}

.chat-rendered-markdown code {
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.9);
  color: rgba(255, 255, 255, 0.9);
  padding: 0 0.28em;
  font: 0.94em/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.chat-rendered-markdown pre {
  margin: 8px 0;
  padding: 10px 12px;
  border: 1px solid rgba(147, 170, 203, 0.18);
  border-radius: 8px;
  background: rgba(4, 9, 17, 0.82);
  overflow-x: auto;
  white-space: pre;
}

.chat-rendered-markdown pre code {
  display: block;
  padding: 0;
  background: transparent;
  white-space: pre;
}

.chat-rendered-markdown blockquote {
  margin: 8px 0;
  padding: 2px 0 2px 10px;
  border-left: 3px solid rgba(125, 220, 255, 0.38);
  color: #c8d4e8;
}

.chat-rendered-markdown a {
  color: #7ddcff;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.chat-rendered-markdown strong {
  font-weight: 800;
}

.chat-rendered-markdown s {
  color: #bdc7d8;
}

.composer-lab-page {
  min-height: 100vh;
  margin: 0;
  background: #080d15;
  color: #edf6ff;
  font: 14px/1.45 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.composer-lab-shell {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(360px, 1.08fr);
  gap: 14px;
  min-height: 100vh;
  padding: 14px;
}

.composer-lab-panel {
  min-width: 0;
  border: 1px solid rgba(147, 170, 203, 0.16);
  border-radius: 8px;
  background: rgba(12, 18, 30, 0.88);
}

.composer-lab-panel > header,
.composer-lab-section {
  padding: 12px;
}

.composer-lab-panel > header {
  border-bottom: 1px solid rgba(147, 170, 203, 0.14);
}

.composer-lab-panel h1,
.composer-lab-panel h2 {
  margin: 0;
  font-size: 15px;
  line-height: 1.2;
}

.composer-lab-panel p {
  margin: 6px 0 0;
  color: #9aa7bb;
}

.composer-lab-form {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.composer-lab-composer .chat-composer-textarea,
.composer-lab-composer .chat-composer-overlay {
  min-height: 142px;
  max-height: 260px;
  padding: 10px 12px;
  border: 1px solid rgba(147, 170, 203, 0.22);
  border-radius: 8px;
  line-height: 1.45;
  font: 14px/1.45 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.composer-lab-composer .chat-composer-textarea {
  overflow: auto;
  outline: none;
}

.composer-lab-composer .chat-composer-textarea:focus {
  border-color: rgba(125, 220, 255, 0.52);
  box-shadow: 0 0 0 1px rgba(125, 220, 255, 0.14);
}

.composer-lab-actions,
.composer-lab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.composer-lab-actions button,
.composer-lab-buttons button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(147, 170, 203, 0.24);
  border-radius: 6px;
  background: rgba(29, 45, 67, 0.92);
  color: #edf6ff;
}

.composer-lab-preview,
.composer-lab-sent {
  min-height: 82px;
  padding: 10px 12px;
  border-top: 1px solid rgba(147, 170, 203, 0.14);
}

.composer-lab-debug,
.composer-lab-tests {
  display: grid;
  gap: 8px;
  padding: 12px;
  max-height: calc(100vh - 28px);
  overflow: auto;
}

.composer-lab-debug pre,
.composer-lab-tests pre {
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(147, 170, 203, 0.16);
  border-radius: 8px;
  background: rgba(3, 7, 13, 0.74);
  color: #c8d4e8;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.composer-lab-test-list {
  display: grid;
  gap: 4px;
}

.composer-lab-test {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
}

.composer-lab-test.pass span:first-child {
  color: #8be28b;
}

.composer-lab-test.fail span:first-child {
  color: #ff9b9b;
}

@media (max-width: 900px) {
  .composer-lab-shell {
    grid-template-columns: 1fr;
  }

  .chat-command-option {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat-command-palette,
  .chat-command-option {
    scroll-behavior: auto;
  }
}