:root {
      color-scheme: dark;
      /* Temporal brand palette: Space Black bg, UV accent, Off White text. */
      --color-bg-primary: #141414;
      --color-bg-secondary: #1c1c20;
      --color-bg-tertiary: #26262c;
      --color-bg-elevated: #222228;
      --color-bg-hover: #30303a;
      --color-bg-active: #444ce729;
      --color-border: #2d2d35;
      --color-border-light: #242429;
      --color-border-focus: #444ce7;
      --color-text-primary: #f8fafc;
      --color-text-secondary: #a0a0ac;
      --color-text-tertiary: #71717c;
      --color-text-link: #8b91f7;
      --color-on-primary: #f8fafc;
      --color-primary: #444ce7;
      --color-primary-hover: #5a61ec;
      --color-danger: #da3633;
      --color-danger-hover: #f85149;
      --color-warning: #d29922;
      --color-info: #8b91f7;
      --color-success: #3fb950;
      --color-queued: #a371f7;
      --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.4);
      --space-xs: 4px;
      --space-sm: 8px;
      --space-md: 16px;
      --space-lg: 24px;
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --sidebar-width: 260px;
      --details-width: 360px;
      --top-bar-height: 56px;
      --font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Courier New", monospace;
      --font-size-xs: 11px;
      --font-size-sm: 12px;
      --font-size-md: 14px;
      --font-size-lg: 16px;
      --transition-fast: 150ms ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    * { margin: 0; padding: 0; }
    html, body { height: 100%; }
    body {
      background: var(--color-bg-primary);
      color: var(--color-text-primary);
      font: var(--font-size-md)/1.5 var(--font-family);
      overflow: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    ::selection {
      background: var(--color-bg-active);
      color: var(--color-text-primary);
    }
    ::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }
    ::-webkit-scrollbar-track { background: var(--color-bg-secondary); }
    ::-webkit-scrollbar-thumb {
      background: var(--color-bg-hover);
      border-radius: 999px;
    }
    ::-webkit-scrollbar-thumb:hover { background: var(--color-text-tertiary); }
    * {
      scrollbar-width: thin;
      scrollbar-color: var(--color-bg-hover) var(--color-bg-secondary);
    }
    [hidden] { display: none !important; }
    .login-screen {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      padding: var(--space-md);
      background: var(--color-bg-primary);
    }
    .login-card {
      width: min(380px, 100%);
      padding: var(--space-lg);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background: var(--color-bg-secondary);
      box-shadow: var(--shadow-lg);
    }
    .login-card h1 {
      margin-bottom: var(--space-md);
    }
    .login-form {
      display: grid;
      gap: var(--space-md);
    }
    .login-field {
      display: grid;
      gap: var(--space-xs);
    }
    .login-field label {
      color: var(--color-text-secondary);
      font-size: var(--font-size-sm);
    }
    .login-field input {
      width: 100%;
      height: 40px;
      padding: 0 var(--space-md);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      background: var(--color-bg-tertiary);
      color: var(--color-text-primary);
      font: inherit;
    }
    .login-error {
      min-height: 18px;
      color: var(--color-danger-hover);
      font-size: var(--font-size-sm);
    }
    .login-subtitle {
      margin-bottom: var(--space-md);
      color: var(--color-text-secondary);
      font-size: var(--font-size-sm);
    }
    .login-subtitle:empty {
      display: none;
    }
    .login-google {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      border-radius: var(--radius-md);
      text-decoration: none;
      font-weight: 600;
    }
    .login-google[aria-disabled="true"] {
      opacity: 0.6;
      pointer-events: none;
    }
    .app {
      display: grid;
      grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--details-width);
      grid-template-rows: minmax(0, 1fr) auto;
      height: 100vh;
      min-height: 0;
    }
    header {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      grid-column: 1;
      grid-row: 1 / -1;
      min-height: 0;
      background: var(--color-bg-secondary);
      border-right: 1px solid var(--color-border);
    }
    .header-left {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: var(--space-sm);
      padding: var(--space-md);
      border-bottom: 1px solid var(--color-border);
    }
    h1 {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
      color: var(--color-text-primary);
      font-size: var(--font-size-lg);
      font-weight: 600;
      line-height: 1.25;
    }
    h1::before {
      content: "";
      width: 32px;
      height: 32px;
      /* Official Temporal symbol mark (temporal.io brand assets). */
      background: url("data:image/svg+xml;base64,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") center / contain no-repeat;
      flex: 0 0 auto;
    }
    .temporal-link {
      display: none;
      min-height: 36px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: var(--space-sm) var(--space-md);
      color: var(--color-text-primary);
      text-decoration: none;
      font-size: var(--font-size-sm);
      font-weight: 500;
      white-space: nowrap;
      background: var(--color-bg-tertiary);
      transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    }
    .chat-footer {
      display: flex;
      justify-content: flex-end;
      padding: var(--space-xs) var(--space-md) 0;
    }
    .chat-footer .temporal-link {
      display: inline-flex;
      min-height: 28px;
      padding: var(--space-xs) var(--space-sm);
      font-size: var(--font-size-xs);
      color: var(--color-text-secondary);
    }
    .temporal-link:hover {
      border-color: var(--color-text-tertiary);
      background: var(--color-bg-hover);
      color: var(--color-text-primary);
      text-decoration: none;
    }
    .status {
      margin-top: auto;
      padding: var(--space-md);
      border-top: 1px solid var(--color-border);
      color: var(--color-text-secondary);
      font-size: var(--font-size-sm);
      white-space: normal;
    }
    .status::before {
      content: "";
      display: inline-block;
      width: 8px;
      height: 8px;
      margin-right: var(--space-sm);
      border-radius: 50%;
      background: var(--color-success);
    }
    .side-panel {
      min-height: 0;
      overflow-y: auto;
      padding: var(--space-sm) var(--space-md);
    }
    .side-section {
      margin-bottom: var(--space-lg);
    }
    .side-section-title {
      margin: var(--space-md) 0 var(--space-xs);
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0;
    }
    .side-actions {
      display: grid;
      grid-template-columns: 1fr;
      gap: var(--space-sm);
      margin-top: var(--space-sm);
    }
    .agent-settings {
      display: grid;
      gap: var(--space-sm);
      padding: var(--space-sm);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-md);
      background: rgba(110, 118, 129, 0.08);
    }
    .agent-field {
      display: grid;
      gap: 3px;
    }
    .agent-field label,
    .agent-toggle {
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      font-weight: 600;
      text-transform: uppercase;
    }
    .agent-field select,
    .agent-field input {
      width: 100%;
      min-height: 34px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      padding: 0 var(--space-sm);
      background: var(--color-bg-tertiary);
      color: var(--color-text-primary);
      font: inherit;
      font-size: var(--font-size-sm);
    }
    .agent-field select:focus,
    .agent-field input:focus {
      outline: none;
      border-color: var(--color-border-focus);
      box-shadow: 0 0 0 3px rgba(68, 76, 231, 0.14);
    }
    .agent-toggle {
      display: flex;
      align-items: center;
      gap: var(--space-sm);
      min-height: 28px;
    }
    .agent-toggle input {
      width: 16px;
      height: 16px;
      accent-color: var(--color-primary);
    }
    .conversation-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: var(--space-xs);
      align-items: center;
      margin-bottom: 2px;
    }
    .conversation-item,
    .tool-card {
      width: 100%;
      margin-bottom: 2px;
      padding: var(--space-sm);
      border: 0;
      border-radius: var(--radius-sm);
      background: transparent;
      color: var(--color-text-secondary);
      text-align: left;
      font-size: var(--font-size-sm);
    }
    .conversation-row .conversation-item {
      margin-bottom: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .conversation-delete {
      width: 44px;
      min-height: 32px;
      padding: 0;
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
    }
    .conversation-delete:hover {
      border-color: rgba(218, 54, 51, 0.68);
      color: #ffb4af;
    }
    .conversation-item:hover,
    .tool-card:hover {
      background: var(--color-bg-hover);
      color: var(--color-text-primary);
    }
    .conversation-item.active {
      background: var(--color-bg-active);
      color: var(--color-text-link);
    }
    .tool-card {
      display: grid;
      gap: var(--space-xs);
      border: 1px solid var(--color-border-light);
      background: var(--color-bg-primary);
    }
    .tool-card.connected {
      border-color: rgba(63, 185, 80, 0.34);
    }
    .tool-card.disabled {
      border-color: rgba(110, 118, 129, 0.3);
      opacity: 0.72;
    }
    .tool-actions {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: var(--space-xs);
      margin-top: var(--space-xs);
    }
    .tool-actions button {
      height: 34px;
      min-height: 34px;
      padding: 0 var(--space-sm);
      font-size: var(--font-size-xs);
    }
    .tool-actions .danger {
      border-color: rgba(218, 54, 51, 0.68);
      color: #ffb4af;
    }
    .tool-actions .danger:hover {
      background: rgba(218, 54, 51, 0.16);
      border-color: var(--color-danger-hover);
      color: #ffd4d0;
    }
    .tool-chip-list {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-xs);
      margin-top: var(--space-xs);
      min-width: 0;
    }
    .tool-chip {
      display: inline-flex;
      align-items: center;
      max-width: 100%;
      min-width: 0;
      min-height: 22px;
      padding: 0 var(--space-xs);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      background: rgba(110, 118, 129, 0.1);
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      overflow-wrap: anywhere;
    }
    .mcp-form {
      display: grid;
      gap: var(--space-sm);
      margin: var(--space-sm) 0;
      padding: var(--space-sm);
      border: 1px solid rgba(68, 76, 231, 0.28);
      border-radius: var(--radius-md);
      background: rgba(68, 76, 231, 0.06);
    }
    .mcp-field {
      display: grid;
      gap: 3px;
    }
    .mcp-field label {
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      font-weight: 600;
      text-transform: uppercase;
    }
    .mcp-field input,
    .mcp-field select {
      width: 100%;
      min-height: 34px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      padding: 0 var(--space-sm);
      background: var(--color-bg-tertiary);
      color: var(--color-text-primary);
      font: inherit;
      font-size: var(--font-size-sm);
    }
    .mcp-field input:focus,
    .mcp-field select:focus {
      outline: none;
      border-color: var(--color-border-focus);
      box-shadow: 0 0 0 3px rgba(68, 76, 231, 0.14);
    }
    .mcp-form-actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-xs);
    }
    .mcp-form-actions button {
      height: 34px;
      padding: 0 var(--space-sm);
      font-size: var(--font-size-xs);
    }
    .mcp-error {
      color: #ffb4af;
      font-size: var(--font-size-xs);
      overflow-wrap: anywhere;
    }
    .tool-title {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: var(--space-sm);
      color: var(--color-text-primary);
      font-weight: 600;
      min-width: 0;
    }
    .tool-label {
      min-width: 0;
      overflow-wrap: anywhere;
    }
    .tool-meta {
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      overflow-wrap: anywhere;
    }
    .tool-status {
      display: inline-flex;
      align-items: center;
      gap: var(--space-xs);
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      max-width: 100%;
      white-space: nowrap;
    }
    .tool-status::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-text-tertiary);
    }
    .tool-card.connected .tool-status::before {
      background: var(--color-success);
    }
    .tool-card.disabled .tool-status::before {
      background: var(--color-warning);
    }
    .tools-overlay {
      position: fixed;
      inset: 0;
      z-index: 20;
      display: flex;
      align-items: stretch;
      justify-content: flex-end;
      background: rgba(1, 4, 9, 0.62);
    }
    .tools-window {
      width: min(760px, calc(100vw - 24px));
      height: 100%;
      display: grid;
      grid-template-rows: auto minmax(0, 1fr);
      border-left: 1px solid var(--color-border);
      background: var(--color-bg-secondary);
      box-shadow: var(--shadow-lg);
    }
    .tools-window-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-md);
      padding: var(--space-md);
      border-bottom: 1px solid var(--color-border);
      background: var(--color-bg-elevated);
    }
    .tools-window-title {
      color: var(--color-text-primary);
      font-size: var(--font-size-lg);
      font-weight: 600;
    }
    .tools-window-body {
      min-height: 0;
      overflow-y: auto;
      padding: var(--space-md);
    }
    .tools-section {
      display: grid;
      gap: var(--space-sm);
      margin-bottom: var(--space-lg);
    }
    .tools-section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-sm);
    }
    .tools-section-title {
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      font-weight: 600;
      text-transform: uppercase;
    }
    .tools-section-actions {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-xs);
    }
    .tools-section-actions button {
      height: 34px;
      min-height: 34px;
      padding: 0 var(--space-sm);
      font-size: var(--font-size-xs);
    }
    .tools-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
      gap: var(--space-sm);
    }
    .approval-panel {
      position: sticky;
      bottom: var(--space-sm);
      z-index: 3;
      width: min(980px, 92%);
      margin: 0 auto var(--space-md);
      display: grid;
      gap: var(--space-sm);
    }
    .approval-panel-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-sm);
      color: #ffb85c;
      font-size: var(--font-size-xs);
      font-weight: 700;
      text-transform: uppercase;
    }
    .approval-panel-count {
      color: var(--color-text-tertiary);
      font-weight: 500;
      text-transform: none;
    }
    .approval-card {
      position: relative;
      display: grid;
      gap: var(--space-sm);
      padding: var(--space-md);
      border: 1px solid rgba(248, 81, 73, 0.34);
      border-radius: var(--radius-md);
      background:
        linear-gradient(90deg, rgba(248, 81, 73, 0.16), rgba(210, 153, 34, 0.08));
      box-shadow: inset 3px 0 0 rgba(248, 81, 73, 0.88), 0 1px 2px rgba(0, 0, 0, 0.3);
    }
    .approval-title {
      color: var(--color-text-primary);
      font-size: var(--font-size-md);
      font-weight: 700;
      overflow-wrap: anywhere;
    }
    .approval-meta {
      display: grid;
      gap: 2px;
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      overflow-wrap: anywhere;
    }
    .approval-meta strong {
      color: var(--color-text-primary);
      font-weight: 600;
    }
    .approval-details {
      max-height: 130px;
      overflow: auto;
      padding: var(--space-sm);
      border: 1px solid rgba(248, 81, 73, 0.2);
      border-radius: var(--radius-sm);
      background: rgba(13, 17, 23, 0.42);
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      overflow-wrap: anywhere;
    }
    .approval-actions {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: var(--space-xs);
    }
    .approval-actions button {
      height: 36px;
      min-height: 36px;
      padding: 0 var(--space-sm);
      font-size: var(--font-size-xs);
      font-weight: 600;
    }
    .approval-actions .allow {
      border-color: rgba(63, 185, 80, 0.52);
      color: #aff5b4;
    }
    .approval-actions .allow:hover {
      background: rgba(63, 185, 80, 0.14);
      border-color: var(--color-success);
    }
    .approval-actions .always {
      border-color: rgba(210, 153, 34, 0.54);
      color: #ffd58a;
    }
    .approval-actions .always:hover {
      background: rgba(210, 153, 34, 0.14);
      border-color: var(--color-warning);
    }
    .approval-actions .deny {
      border-color: rgba(248, 81, 73, 0.72);
      color: #ffb4af;
    }
    .approval-actions .deny:hover {
      background: rgba(248, 81, 73, 0.16);
      border-color: var(--color-danger-hover);
      color: #ffd4d0;
    }
    .artifact-panel {
      display: grid;
      align-content: start;
      gap: var(--space-sm);
      padding: var(--space-md);
      border: 1px solid rgba(68, 76, 231, 0.22);
      border-radius: var(--radius-md);
      background: rgba(68, 76, 231, 0.045);
      box-shadow: inset 3px 0 0 rgba(126, 231, 135, 0.72), 0 1px 2px rgba(0, 0, 0, 0.25);
    }
    .artifacts-sidebar {
      grid-column: 3;
      grid-row: 1 / -1;
      min-height: 0;
      overflow-y: auto;
      padding: var(--space-md);
      border-left: 1px solid var(--color-border);
      background: var(--color-bg-secondary);
    }
    .artifacts-sidebar .artifact-panel {
      min-height: 100%;
      border-color: var(--color-border-light);
      background: transparent;
      box-shadow: none;
      padding: 0;
    }
    .artifact-empty {
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      line-height: 1.45;
    }
    .artifact-panel-header {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: var(--space-sm);
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      font-weight: 700;
      text-transform: uppercase;
    }
    .artifact-panel-count {
      color: var(--color-text-tertiary);
      font-weight: 500;
      text-transform: none;
    }
    .artifact-list {
      display: grid;
      grid-template-columns: 1fr;
      gap: var(--space-sm);
    }
    .artifact-card {
      display: grid;
      gap: var(--space-xs);
      min-width: 0;
      padding: var(--space-sm);
      border: 1px solid rgba(63, 185, 80, 0.26);
      border-radius: var(--radius-sm);
      background: rgba(13, 17, 23, 0.44);
    }
    .artifact-name {
      color: var(--color-text-primary);
      font-weight: 700;
      overflow-wrap: anywhere;
    }
    .artifact-meta {
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      overflow-wrap: anywhere;
    }
    .artifact-actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-xs);
      margin-top: var(--space-xs);
    }
    .artifact-actions a,
    .artifact-actions button {
      min-height: 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-bg-tertiary);
      color: var(--color-text-primary);
      text-decoration: none;
      font-size: var(--font-size-xs);
      font-weight: 600;
      transition: background-color var(--transition-fast), border-color var(--transition-fast);
    }
    .artifact-actions a:hover,
    .artifact-actions button:hover {
      border-color: var(--color-border-focus);
      background: var(--color-bg-hover);
      text-decoration: none;
    }
    .artifact-viewer-overlay {
      position: fixed;
      inset: 0;
      z-index: 30;
      display: grid;
      place-items: center;
      padding: var(--space-lg);
      background: rgba(1, 4, 9, 0.72);
    }
    .artifact-viewer {
      width: min(1100px, calc(100vw - var(--details-width) - var(--sidebar-width) - 64px));
      height: min(780px, 90vh);
      min-width: min(720px, 96vw);
      display: grid;
      grid-template-rows: auto minmax(0, 1fr);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background: var(--color-bg-secondary);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }
    .artifact-viewer-header {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: var(--space-sm);
      align-items: center;
      padding: var(--space-md);
      border-bottom: 1px solid var(--color-border);
      background: var(--color-bg-elevated);
    }
    .artifact-viewer-title {
      min-width: 0;
      display: grid;
      gap: 2px;
    }
    .artifact-viewer-name {
      color: var(--color-text-primary);
      font-weight: 700;
      overflow-wrap: anywhere;
    }
    .artifact-viewer-meta {
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      overflow-wrap: anywhere;
    }
    .artifact-viewer-actions {
      display: flex;
      gap: var(--space-xs);
      align-items: center;
      justify-content: flex-end;
      min-width: max-content;
    }
    .artifact-viewer-actions a,
    .artifact-viewer-actions button {
      min-height: 34px;
      height: 34px;
      min-width: 78px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 var(--space-sm);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: var(--color-bg-tertiary);
      color: var(--color-text-primary);
      text-decoration: none;
      font-size: var(--font-size-xs);
      font-weight: 600;
    }
    .artifact-viewer-body {
      min-height: 0;
      overflow: auto;
      padding: var(--space-md);
      background: var(--color-bg-primary);
    }
    .artifact-viewer-body .bubble-content pre {
      min-height: 100%;
    }
    .artifact-viewer-body .artifact-markdown pre {
      min-height: 0;
    }
    .artifact-viewer-image {
      display: block;
      max-width: 100%;
      max-height: 100%;
      margin: 0 auto;
      object-fit: contain;
      border-radius: var(--radius-sm);
    }
    .artifact-viewer-frame {
      width: 100%;
      height: 100%;
      min-height: 520px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: white;
    }
    .artifact-viewer-error {
      color: #ffb4af;
      font-size: var(--font-size-sm);
    }
    main {
      display: grid;
      grid-column: 2;
      grid-row: 1;
      grid-template-columns: minmax(0, 1fr);
      min-height: 0;
      background: var(--color-bg-primary);
    }
    .messages {
      min-height: 0;
      overflow-y: auto;
      padding: var(--space-md);
      scroll-behavior: smooth;
    }
    .sidebar { display: none; }
    .bubble {
      position: relative;
      max-width: min(980px, 88%);
      margin: 0 0 var(--space-md);
      padding: var(--space-md);
      background: var(--color-bg-secondary);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      white-space: pre-wrap;
      overflow-wrap: anywhere;
      box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    }
    .bubble:hover {
      background: var(--color-bg-tertiary);
      border-color: var(--color-text-tertiary);
    }
    .bubble::after {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 3px;
      border-radius: var(--radius-md) 0 0 var(--radius-md);
      background: var(--color-text-tertiary);
    }
    .bubble.user, .bubble.pending { margin-left: auto; }
    .bubble.user {
      background: rgba(63, 185, 80, 0.08);
      border-color: rgba(63, 185, 80, 0.28);
    }
    .bubble.user::after { background: var(--color-success); }
    .bubble.assistant {
      background: rgba(68, 76, 231, 0.08);
      border-color: rgba(68, 76, 231, 0.24);
    }
    .bubble.assistant::after { background: var(--color-info); }
    .bubble.system {
      background: rgba(210, 153, 34, 0.08);
      border-color: rgba(210, 153, 34, 0.26);
      color: var(--color-warning);
    }
    .bubble.system::after { background: var(--color-warning); }
    .bubble.pending {
      background: rgba(163, 113, 247, 0.1);
      border-color: rgba(163, 113, 247, 0.28);
      color: #d2b6ff;
      font-style: italic;
    }
    .bubble.pending::after { background: var(--color-queued); }
    .stream-panel {
      width: min(980px, 92%);
      margin: 0 auto var(--space-md);
      border: 1px solid rgba(68, 76, 231, 0.28);
      border-radius: var(--radius-md);
      background: rgba(68, 76, 231, 0.055);
      box-shadow: inset 3px 0 0 rgba(68, 76, 231, 0.75), 0 1px 2px rgba(0, 0, 0, 0.25);
      overflow: hidden;
    }
    .stream-panel.complete {
      border-color: rgba(110, 118, 129, 0.32);
      background: rgba(110, 118, 129, 0.075);
      box-shadow: inset 3px 0 0 rgba(110, 118, 129, 0.78), 0 1px 2px rgba(0, 0, 0, 0.25);
    }
    .stream-panel.collapsed {
      width: min(780px, 86%);
    }
    .stream-panel-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-sm);
      padding: var(--space-sm) var(--space-md);
      border-bottom: 1px solid rgba(68, 76, 231, 0.18);
      background: rgba(13, 17, 23, 0.34);
    }
    .stream-panel-title {
      display: flex;
      align-items: baseline;
      gap: var(--space-sm);
      min-width: 0;
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      font-weight: 600;
      text-transform: uppercase;
    }
    .stream-panel-status {
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      font-weight: 400;
      text-transform: none;
    }
    .stream-panel-toggle {
      min-height: 26px;
      padding: 0 var(--space-sm);
      font-size: var(--font-size-xs);
      color: var(--color-text-secondary);
    }
    .stream-panel-body {
      display: grid;
      gap: var(--space-sm);
      padding: var(--space-sm) var(--space-md) var(--space-md);
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      line-height: 1.45;
    }
    .stream-preview {
      overflow: hidden;
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      line-height: 1.45;
      white-space: nowrap;
      text-overflow: ellipsis;
    }
    .stream-text {
      max-height: 220px;
      overflow-y: auto;
      padding: var(--space-sm);
      border: 1px solid rgba(68, 76, 231, 0.14);
      border-radius: var(--radius-sm);
      background: rgba(13, 17, 23, 0.38);
      color: #b9c7d8;
      font-size: var(--font-size-xs);
      white-space: pre-wrap;
      overflow-wrap: anywhere;
    }
    .stream-thinking {
      max-height: 160px;
      overflow-y: auto;
      padding: var(--space-sm);
      border: 1px solid rgba(163, 113, 247, 0.16);
      border-radius: var(--radius-sm);
      background: rgba(163, 113, 247, 0.055);
      color: #cdb8ff;
      font-size: var(--font-size-xs);
      white-space: pre-wrap;
      overflow-wrap: anywhere;
    }
    .stream-finished-list {
      display: grid;
      gap: var(--space-sm);
    }
    .stream-finished-turn {
      display: grid;
      gap: var(--space-xs);
      padding: var(--space-sm);
      border: 1px solid rgba(63, 185, 80, 0.18);
      border-radius: var(--radius-sm);
      background: rgba(63, 185, 80, 0.055);
      color: #b9c7d8;
      font-size: var(--font-size-xs);
      white-space: pre-wrap;
      overflow-wrap: anywhere;
    }
    .stream-finished-title {
      color: var(--color-text-tertiary);
      font-weight: 600;
      text-transform: uppercase;
    }
    .stream-current-turn {
      display: grid;
      gap: var(--space-sm);
      padding: var(--space-sm);
      border: 1px solid rgba(68, 76, 231, 0.18);
      border-radius: var(--radius-sm);
      background: rgba(68, 76, 231, 0.04);
    }
    .stream-tool-list {
      display: grid;
      gap: var(--space-xs);
    }
    .stream-tool-event {
      display: grid;
      gap: 2px;
      padding: var(--space-xs) var(--space-sm);
      border: 1px solid rgba(110, 118, 129, 0.24);
      border-radius: var(--radius-sm);
      background: rgba(13, 17, 23, 0.28);
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
    }
    .stream-tool-event.input-streaming {
      border-color: rgba(210, 153, 34, 0.26);
      background: rgba(210, 153, 34, 0.06);
    }
    .stream-tool-name {
      color: var(--color-text-primary);
      font-weight: 600;
    }
    .stream-tool-payload {
      color: var(--color-text-tertiary);
      overflow-wrap: anywhere;
      white-space: pre-wrap;
    }
    .label {
      display: block;
      margin-bottom: var(--space-xs);
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0;
    }
    .bubble-content {
      white-space: normal;
    }
    .bubble-content > * + * {
      margin-top: var(--space-sm);
    }
    .bubble-content p {
      margin: 0;
    }
    .bubble-content a {
      color: var(--color-text-link);
      text-decoration: none;
    }
    .bubble-content a:hover {
      text-decoration: underline;
    }
    .bubble-content ul,
    .bubble-content ol {
      margin: 0;
      padding-left: 22px;
    }
    .bubble-content li + li {
      margin-top: 2px;
    }
    .bubble-content strong {
      color: var(--color-text-primary);
      font-weight: 700;
    }
    .bubble-content em {
      color: var(--color-text-secondary);
      font-style: italic;
    }
    .bubble-content code {
      padding: 1px 4px;
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      background: var(--color-bg-primary);
      color: var(--color-text-primary);
      font: inherit;
      font-size: var(--font-size-sm);
    }
    .bubble-content pre {
      position: relative;
      margin: 0;
      padding: var(--space-sm);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      background: var(--color-bg-primary);
      overflow-x: auto;
      white-space: pre;
    }
    .bubble-content pre[data-language] {
      padding-top: calc(var(--space-sm) + 18px);
    }
    .bubble-content pre[data-language]::before {
      content: attr(data-language);
      position: absolute;
      top: 5px;
      right: 8px;
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      text-transform: uppercase;
    }
    .bubble-content pre code {
      display: block;
      padding: 0;
      border: 0;
      background: transparent;
      white-space: pre;
    }
    .bubble-content blockquote {
      margin: 0;
      padding: var(--space-xs) var(--space-sm);
      border-left: 3px solid var(--color-border-focus);
      background: rgba(68, 76, 231, 0.06);
      color: var(--color-text-secondary);
    }
    .bubble-content hr {
      height: 1px;
      border: 0;
      background: var(--color-border);
    }
    .markdown-table-wrap {
      max-width: 100%;
      overflow-x: auto;
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
    }
    .bubble-content table {
      width: 100%;
      min-width: min(620px, 100%);
      border-collapse: collapse;
      background: rgba(13, 17, 23, 0.28);
    }
    .bubble-content th,
    .bubble-content td {
      padding: var(--space-xs) var(--space-sm);
      border-bottom: 1px solid var(--color-border-light);
      border-right: 1px solid var(--color-border-light);
      text-align: left;
      vertical-align: top;
    }
    .bubble-content th:last-child,
    .bubble-content td:last-child {
      border-right: 0;
    }
    .bubble-content tr:last-child td {
      border-bottom: 0;
    }
    .bubble-content th {
      color: var(--color-text-primary);
      font-weight: 700;
      background: rgba(68, 76, 231, 0.08);
    }
    .hl-comment { color: #8b949e; font-style: italic; }
    .hl-keyword { color: #ff7b72; }
    .hl-string { color: #a5d6ff; }
    .hl-number { color: #79c0ff; }
    .hl-function { color: #d2a8ff; }
    .hl-operator { color: #ff7b72; }
    .hl-property { color: #7ee787; }
    .hl-type { color: #ffa657; }
    .hl-tag { color: #7ee787; }
    .hl-attr { color: #d2a8ff; }
    .md-heading {
      color: var(--color-text-primary);
      font-weight: 700;
    }
    .composer {
      display: grid;
      grid-template-columns: 1fr auto auto auto auto;
      grid-column: 2;
      grid-row: 2;
      gap: var(--space-sm);
      padding: var(--space-sm) var(--space-md);
      border-top: 1px solid var(--color-border);
      background: var(--color-bg-secondary);
    }
    textarea {
      width: 100%;
      min-height: 44px;
      max-height: 140px;
      resize: vertical;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 11px 12px;
      background: var(--color-bg-tertiary);
      color: var(--color-text-primary);
      font: inherit;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    textarea:hover { border-color: var(--color-text-tertiary); }
    textarea:focus {
      outline: none;
      border-color: var(--color-border-focus);
      box-shadow: 0 0 0 3px rgba(68, 76, 231, 0.15);
    }
    textarea::placeholder {
      color: var(--color-text-tertiary);
    }
    button {
      height: 44px;
      min-width: 44px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 0 13px;
      background: var(--color-bg-tertiary);
      color: var(--color-text-primary);
      font: inherit;
      font-size: var(--font-size-sm);
      font-weight: 500;
      cursor: pointer;
      transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
      white-space: nowrap;
    }
    button.primary {
      border-color: var(--color-primary);
      background: var(--color-primary);
      color: var(--color-on-primary);
    }
    button.primary:hover {
      border-color: var(--color-primary-hover);
      background: var(--color-primary-hover);
    }
    button:hover {
      background: var(--color-bg-hover);
      border-color: var(--color-text-tertiary);
    }
    #interrupt {
      border-color: rgba(218, 54, 51, 0.68);
      color: #ffb4af;
    }
    #interrupt:hover {
      background: rgba(218, 54, 51, 0.16);
      border-color: var(--color-danger-hover);
      color: #ffd4d0;
    }
    button:disabled { opacity: .55; cursor: wait; }
    .events-title {
      margin: 0 0 var(--space-sm);
      color: var(--color-text-tertiary);
      font-size: var(--font-size-xs);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0;
    }
    .event {
      margin: 0 0 var(--space-sm);
      padding: var(--space-sm);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-sm);
      background: var(--color-bg-primary);
      color: var(--color-text-secondary);
      font-size: var(--font-size-xs);
      overflow-wrap: anywhere;
    }
    .empty {
      color: var(--color-text-secondary);
      margin: 28px auto;
      max-width: 520px;
      text-align: center;
    }
    @media (max-width: 860px) {
      .app {
        grid-template-columns: 1fr;
        grid-template-rows: auto minmax(0, 1fr) auto auto;
      }
      header {
        grid-column: 1;
        grid-row: 1;
        flex-direction: row;
        align-items: center;
        gap: var(--space-md);
        padding: var(--space-sm) var(--space-md);
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
      }
      .header-left {
        flex: 1;
        flex-direction: row;
        align-items: center;
        min-width: 0;
        padding: 0;
        border-bottom: 0;
      }
      .side-panel { display: none; }
      h1 { font-size: var(--font-size-md); }
      h1::before {
        width: 24px;
        height: 24px;
      }
      .status {
        margin-top: 0;
        padding: 0;
        border-top: 0;
        white-space: nowrap;
      }
      main {
        grid-column: 1;
        grid-row: 2;
        grid-template-columns: 1fr;
      }
      .artifacts-sidebar {
        grid-column: 1;
        grid-row: 3;
        max-height: 180px;
        border-left: 0;
        border-top: 1px solid var(--color-border);
      }
      .sidebar { display: none; }
      .composer {
        grid-column: 1;
        grid-row: 4;
        grid-template-columns: 1fr 1fr;
      }
      textarea { grid-column: 1 / -1; }
      .bubble { max-width: 100%; }
      .artifact-panel { width: 100%; }
      .approval-panel { width: 100%; }
      .approval-actions { grid-template-columns: 1fr; }
      .artifact-viewer {
        width: min(96vw, 100%);
        min-width: 0;
      }
      .artifact-viewer-header {
        grid-template-columns: 1fr;
      }
      .artifact-viewer-actions {
        justify-content: stretch;
      }
      .artifact-viewer-actions a,
      .artifact-viewer-actions button {
        flex: 1;
      }
    }