/* ==========================================================================
   GroupX Web UI — dual theme (light default / dark night mode)
   Layered surfaces, per-agent tone system, chat-style timeline.
   ========================================================================== */

:root {
  color-scheme: light;

  --bg-0: #e9edf3;
  --bg-1: #f5f7fa;
  --bg-2: #ffffff;
  --bg-3: #eef1f6;
  --bg-4: #e4e9f0;

  --line: rgba(27, 35, 48, 0.09);
  --line-strong: rgba(27, 35, 48, 0.15);
  --line-bright: rgba(27, 35, 48, 0.24);

  --text: #1b2330;
  --muted: #55617a;
  --subtle: #8a94a8;

  --accent: #3370ff;
  --accent-strong: #2952cc;
  --accent-ink: #ffffff;
  --accent-wash: rgba(51, 112, 255, 0.08);
  --accent-border: rgba(51, 112, 255, 0.34);

  --success: #0d9f6e;
  --success-wash: rgba(13, 159, 110, 0.12);

  --btn-disabled-bg: #e6eaf1;
  --btn-disabled-ink: #7c8698;

  --danger: #d6314a;
  --danger-wash: rgba(214, 49, 74, 0.08);
  --warning: #a8731a;
  --warning-wash: rgba(168, 115, 26, 0.1);
  --info: #1a73cc;
  --info-strong: #155cab;

  --tone-codex: #0e8a7d;
  --tone-grok: #4f63d2;
  --tone-kimi: #9440c9;
  --tone-hermes: #d97706;
  --tone-claude: #c4522f;
  --tone-user: #a86f0e;
  --tone-system: #6b768c;

  --glass-bg: rgba(255, 255, 255, 0.82);
  --panel-bg: rgba(245, 247, 250, 0.72);
  --conversation-bg: #ffffff;
  --tabs-bg: rgba(245, 247, 250, 0.96);
  --card-bg: #ffffff;
  --card-bg-hover: #f3f5f9;
  --avatar-bg: rgba(27, 35, 48, 0.05);
  --pill-bg: rgba(27, 35, 48, 0.06);
  --quote-bg: rgba(27, 35, 48, 0.05);
  --quote-bg-hover: rgba(27, 35, 48, 0.1);

  --content-text: #253042;
  --record-text: #2a3547;
  --placeholder: #9aa4b5;

  --code-bg: #f4f6f9;
  --code-header-bg: rgba(27, 35, 48, 0.045);
  --code-text: #243040;
  --inline-code-bg: rgba(27, 35, 48, 0.07);
  --inline-code-text: #b25e09;

  --user-bubble-bg: #e3ecff;
  --user-bubble-border: rgba(51, 112, 255, 0.2);
  --activity-bg: #eff6fd;
  --activity-border: rgba(26, 115, 204, 0.2);

  --error-bg: #fdeef0;
  --error-text: #c22444;
  --error-border: rgba(214, 49, 74, 0.32);

  --selection: rgba(51, 112, 255, 0.16);
  --scrollbar: rgba(27, 35, 48, 0.18);
  --scrollbar-hover: rgba(27, 35, 48, 0.32);

  --glow-1: rgba(51, 112, 255, 0.07);
  --glow-2: rgba(79, 99, 210, 0.07);
  --glow-3: rgba(148, 64, 201, 0.05);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-pop: 0 18px 48px rgba(27, 35, 48, 0.18);
  --shadow-card: 0 1px 2px rgba(27, 35, 48, 0.06), 0 8px 24px rgba(27, 35, 48, 0.05);

  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, "Cascadia Mono", monospace;
  --conversation-gutter: clamp(16px, 2.2vw, 32px);

  font-family: var(--font-sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --bg-0: #06090e;
  --bg-1: #0a0f16;
  --bg-2: #0f151f;
  --bg-3: #151d29;
  --bg-4: #1b2432;
  --conversation-bg: #0a0f16;

  --line: rgba(148, 163, 184, 0.09);
  --line-strong: rgba(148, 163, 184, 0.17);
  --line-bright: rgba(148, 163, 184, 0.26);

  --text: #e9eef6;
  --muted: #97a2b4;
  --subtle: #626e81;

  --accent: #4c88ff;
  --accent-strong: #3370ff;
  --accent-ink: #ffffff;
  --accent-wash: rgba(76, 136, 255, 0.12);
  --accent-border: rgba(76, 136, 255, 0.38);

  --success: #34d399;
  --success-wash: rgba(52, 211, 153, 0.14);

  --btn-disabled-bg: rgba(148, 163, 184, 0.16);
  --btn-disabled-ink: rgba(233, 238, 246, 0.38);

  --danger: #ff8e9d;
  --danger-wash: rgba(255, 142, 157, 0.09);
  --warning: #f3c86b;
  --warning-wash: rgba(243, 200, 107, 0.1);
  --info: #7cc7ff;
  --info-strong: #a9dcff;

  --tone-codex: #4fd1c5;
  --tone-grok: #8ea2ff;
  --tone-kimi: #d09bff;
  --tone-hermes: #f6ad55;
  --tone-claude: #f0a58a;
  --tone-user: #f5c46b;
  --tone-system: #7d8ca3;

  --glass-bg: rgba(6, 9, 14, 0.78);
  --panel-bg: rgba(10, 15, 22, 0.6);
  --tabs-bg: rgba(10, 15, 22, 0.96);
  --card-bg: #121a26;
  --card-bg-hover: #151d29;
  --avatar-bg: rgba(255, 255, 255, 0.04);
  --pill-bg: rgba(148, 163, 184, 0.07);
  --quote-bg: rgba(148, 163, 184, 0.06);
  --quote-bg-hover: rgba(148, 163, 184, 0.12);

  --content-text: #e6ecf4;
  --record-text: #dbe3ee;
  --placeholder: #4d586a;

  --code-bg: #080c12;
  --code-header-bg: rgba(148, 163, 184, 0.05);
  --code-text: #d6e0ec;
  --inline-code-bg: rgba(148, 163, 184, 0.09);
  --inline-code-text: #ffd9a8;

  --user-bubble-bg: rgba(76, 136, 255, 0.17);
  --user-bubble-border: rgba(76, 136, 255, 0.3);
  --activity-bg: #0c131c;
  --activity-border: rgba(124, 199, 255, 0.14);

  --error-bg: #2a151b;
  --error-text: #ffd8de;
  --error-border: rgba(255, 142, 157, 0.35);

  --selection: rgba(76, 136, 255, 0.28);
  --scrollbar: rgba(148, 163, 184, 0.22);
  --scrollbar-hover: rgba(148, 163, 184, 0.38);

  --glow-1: rgba(76, 136, 255, 0.08);
  --glow-2: rgba(142, 162, 255, 0.06);
  --glow-3: rgba(208, 155, 255, 0.04);

  --shadow-pop: 0 18px 50px rgba(0, 0, 0, 0.42);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 12px 32px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 320px;
  height: 100%;
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(52rem 30rem at 12% -12%, var(--glow-1), transparent 62%),
    radial-gradient(44rem 26rem at 96% -4%, var(--glow-2), transparent 60%),
    radial-gradient(36rem 24rem at 55% 115%, var(--glow-3), transparent 65%),
    var(--bg-0);
  color: var(--text);
}

body {
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}

::selection {
  background: var(--selection);
}

button,
textarea,
select,
input {
  color: inherit;
  font: inherit;
}

button,
select,
input[type="checkbox"] {
  cursor: pointer;
}

button:focus-visible,
textarea:focus-visible,
select:focus-visible,
input:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button:disabled,
textarea:disabled,
select:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: var(--scrollbar);
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-hover);
  background-clip: padding-box;
}

::-webkit-scrollbar-track,
::-webkit-scrollbar-corner {
  background: transparent;
}

.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;
}

/* ---------------------------------------------------------------- layout */

.app-shell {
  --agents-column-width: clamp(250px, 20vw, 320px);
  display: grid;
  grid-template-columns: var(--agents-column-width) minmax(0, 1fr);
  grid-template-rows: 60px minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  max-height: none;
  overflow: hidden;
}

.app-header {
  position: relative;
  z-index: 5;
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(1.3);
}

.brand-lockup,
.header-status,
.connection-status {
  display: flex;
  align-items: center;
}

.brand-lockup {
  gap: 11px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--accent-border);
  border-radius: 10px;
  background: linear-gradient(150deg, var(--accent-wash), transparent 65%), var(--bg-2);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  box-shadow: var(--shadow-card);
}

.brand-lockup h1,
.brand-lockup p,
.panel-heading h2,
.panel-heading p,
.conversation-heading h2,
.conversation-heading p,
.empty-state h3,
.empty-state p {
  margin: 0;
}

.brand-lockup h1 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-lockup p {
  margin-top: 1px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
}

.header-status {
  gap: 10px;
  color: var(--muted);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.connection-status {
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  transition: border-color 160ms ease;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warning);
  box-shadow: 0 0 0 4px var(--warning-wash);
  transition: background 200ms ease, box-shadow 200ms ease;
}

.connection-status[data-state="live"] .status-dot {
  background: var(--success);
  box-shadow: 0 0 0 4px var(--success-wash);
}

.connection-status[data-state="offline"] .status-dot,
.connection-status[data-state="reconnecting"] .status-dot {
  background: var(--danger);
  box-shadow: 0 0 0 4px var(--danger-wash);
}

.connection-status[data-health="degraded"] {
  border-color: var(--warning);
}

.connection-status[data-health="degraded"] .status-dot {
  background: var(--warning);
  box-shadow: 0 0 0 4px var(--warning-wash);
}

.room-label {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.assistant-toggle,
.setup-link {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 5px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--muted);
  font-size: 0.7rem;
  text-decoration: none;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease;
}

.assistant-toggle {
  cursor: pointer;
}

.assistant-toggle[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
}

.setup-link:hover,
.setup-link:focus-visible {
  border-color: var(--line-bright);
  background: var(--bg-3);
  color: var(--text);
}

.theme-toggle {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease;
}

.theme-toggle:hover {
  border-color: var(--line-bright);
  background: var(--bg-3);
  color: var(--text);
}

.global-error {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 20;
  max-width: min(560px, calc(100vw - 32px));
  padding: 10px 14px;
  border: 1px solid var(--error-border);
  border-radius: var(--radius-md);
  background: var(--error-bg);
  color: var(--error-text);
  font-size: 0.78rem;
  box-shadow: var(--shadow-pop);
  transform: translateX(-50%);
  animation: error-enter 180ms ease-out;
}

@keyframes error-enter {
  from {
    opacity: 0;
    transform: translate(-50%, -4px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.side-panel,
.conversation-panel {
  min-width: 0;
  min-height: 0;
}

.conversation-panel {
  overflow: hidden;
}

.side-panel {
  padding: 18px;
  overflow: auto;
  background: var(--panel-bg);
  scrollbar-color: var(--line-strong) transparent;
}

.agents-panel {
  border-right: 1px solid var(--line);
}

.panel-heading,
.conversation-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-heading {
  margin-bottom: 16px;
}

.panel-heading.compact {
  margin-bottom: 8px;
}

.panel-heading h2,
.conversation-heading h2 {
  font-size: 0.9rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.eyebrow {
  margin-bottom: 5px !important;
  color: var(--subtle);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.count-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  min-height: 20px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--muted);
  font-size: 0.66rem;
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------ agent list */

.agent-list,
.record-list,
.timeline {
  padding: 0;
  margin: 0;
  list-style: none;
}

.agent-list {
  display: grid;
  gap: 10px;
}

.agent-card {
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease,
    box-shadow 160ms ease;
}

.agent-card:hover {
  border-color: var(--line-strong);
  background: var(--card-bg-hover);
  transform: translateY(-1px);
}

.agent-card-top,
.agent-name-row,
.agent-meta-row,
.turn-card-header,
.event-meta,
.event-actions,
.record-meta,
.record-actions {
  display: flex;
  align-items: center;
}

.agent-card-top,
.agent-meta-row,
.turn-card-header {
  justify-content: space-between;
}

.agent-name-row {
  min-width: 0;
  gap: 9px;
}

.agent-avatar,
.actor-avatar {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 9px;
  background: var(--avatar-bg);
  font-weight: 800;
}

.agent-avatar {
  width: 32px;
  height: 32px;
  font-size: 0.66rem;
}

.actor-avatar {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  font-size: 0.6rem;
}

.actor-codex {
  color: var(--tone-codex);
}

.actor-grok {
  color: var(--tone-grok);
}

.actor-kimi {
  color: var(--tone-kimi);
}

.actor-hermes {
  color: var(--tone-hermes);
}

.actor-claude {
  color: var(--tone-claude);
}

.actor-user {
  color: var(--tone-user);
}

.actor-system {
  color: var(--tone-system);
}

.agent-name {
  overflow: hidden;
  font-size: 0.82rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 0.65rem;
}

.agent-status::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--subtle);
  content: "";
}

.agent-status[data-status="ready"]::before,
.agent-status[data-status="online"]::before,
.agent-status[data-status="running"]::before,
.agent-status[data-status="streaming"]::before {
  background: var(--success);
  box-shadow: 0 0 8px var(--success-wash);
}

.agent-status[data-status="starting"]::before,
.agent-status[data-status="retrying"]::before,
.agent-status[data-status="restarting"]::before,
.agent-status[data-status="pending_restart"]::before,
.agent-status[data-status="queued"]::before {
  background: var(--warning);
}

.agent-status[data-status="failed"]::before,
.agent-status[data-status="offline"]::before,
.agent-status[data-status="stopped"]::before {
  background: var(--danger);
}

.agent-meta-row {
  gap: 10px;
  margin-top: 10px;
}

.agent-details {
  min-width: 0;
  color: var(--subtle);
  font-size: 0.65rem;
  line-height: 1.5;
}

.agent-cwd {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-capabilities {
  display: block;
}

.restart-button,
.quiet-button,
.icon-button,
.text-button {
  border: 0;
  background: transparent;
}

.restart-button {
  flex: 0 0 auto;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.64rem;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease;
}

.restart-button:hover {
  border-color: var(--line-bright);
  background: var(--bg-3);
  color: var(--text);
}

.quiet-button:hover,
.text-button:hover {
  color: var(--text);
}

.local-note {
  display: flex;
  gap: 9px;
  padding: 12px;
  margin-top: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--subtle);
  font-size: 0.65rem;
  line-height: 1.55;
}

.local-note p {
  margin: 0;
}

.local-note-icon {
  color: var(--accent);
}

/* ------------------------------------------------------ sidebar memory */

.sidebar-memory {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--card-bg) 82%, transparent);
  box-shadow: var(--shadow-card);
}

.sidebar-memory > summary {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  color: var(--text);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 700;
  list-style: none;
}

.sidebar-memory > summary::-webkit-details-marker {
  display: none;
}

.sidebar-memory > summary > span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.sidebar-memory > summary::after {
  color: var(--subtle);
  content: "›";
  font-size: 1rem;
  transform: rotate(90deg);
  transition: transform 140ms ease;
}

.sidebar-memory[open] > summary::after {
  transform: rotate(270deg);
}

.sidebar-memory > summary .count-pill {
  margin-left: auto;
}

.sidebar-memory-icon {
  color: var(--accent);
  font-size: 0.58rem;
}

.sidebar-memory-body {
  padding: 0 11px 12px;
  border-top: 1px solid var(--line);
}

.sidebar-memory .section-description {
  padding-top: 10px;
  margin-bottom: 10px;
}

.sidebar-memory .record-card {
  padding: 9px;
}

.sidebar-memory .record-content {
  overflow-wrap: anywhere;
}

.sidebar-memory .record-actions {
  opacity: 1;
}

/* ------------------------------------------------------------- timeline */

.conversation-panel {
  display: flex;
  flex-direction: column;
  background: var(--conversation-bg);
}

.conversation-heading {
  flex: 0 0 auto;
  padding: 14px var(--conversation-gutter) 8px;
}

.runtime-progress {
  display: grid;
  flex: 0 1 360px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-width: 220px;
  min-height: 48px;
  max-width: min(360px, 36vw);
  padding: 7px 9px;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
  border-radius: 11px;
  background: color-mix(in srgb, var(--accent-wash) 74%, var(--card-bg));
  color: var(--muted);
  font-size: 0.68rem;
}

.runtime-progress[hidden] {
  display: none;
}

.runtime-progress[data-phase="failed"] {
  border-color: color-mix(in srgb, var(--danger) 35%, var(--line));
  background: color-mix(in srgb, var(--danger) 8%, var(--card-bg));
}

.runtime-progress[data-phase="completed"],
.runtime-progress[data-phase="ready"] {
  border-color: color-mix(in srgb, var(--success) 35%, var(--line));
  background: color-mix(in srgb, var(--success) 8%, var(--card-bg));
}

.runtime-progress-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid color-mix(in srgb, var(--accent) 24%, transparent);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: runtime-progress-spin 800ms linear infinite;
}

.runtime-progress[data-phase="completed"] .runtime-progress-spinner,
.runtime-progress[data-phase="ready"] .runtime-progress-spinner,
.runtime-progress[data-phase="failed"] .runtime-progress-spinner {
  border: 0;
  animation: none;
}

.runtime-progress[data-phase="completed"] .runtime-progress-spinner::before,
.runtime-progress[data-phase="ready"] .runtime-progress-spinner::before {
  color: var(--success);
  content: "✓";
  font-weight: 800;
}

.runtime-progress[data-phase="failed"] .runtime-progress-spinner::before {
  color: var(--danger);
  content: "!";
  font-weight: 800;
}

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

.runtime-progress-copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.runtime-progress-copy strong {
  overflow: hidden;
  color: var(--text);
  font-size: 0.7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.runtime-progress-copy span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.runtime-progress-attempt {
  color: var(--subtle);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.quiet-button {
  padding: 6px 11px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.7rem;
  transition: background 120ms ease, border-color 120ms ease;
}

.quiet-button:hover {
  border-color: var(--accent-border);
  background: var(--accent-wash);
  color: var(--accent);
}

.timeline {
  display: flex;
  flex: 1 1 0;
  min-height: 0;
  flex-direction: column;
  gap: 3px;
  padding: 8px var(--conversation-gutter) 26px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--line-strong) transparent;
}

.empty-state {
  display: grid;
  place-items: center;
  max-width: 380px;
  padding: 76px 24px;
  margin: auto;
  color: var(--muted);
  text-align: center;
}

.empty-orbit {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border: 1px solid var(--accent-border);
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-wash), transparent 70%);
  color: var(--accent);
  font-size: 1.35rem;
  box-shadow: 0 0 46px var(--accent-wash);
}

.empty-state h3 {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 650;
}

.empty-state p {
  margin-top: 8px;
  font-size: 0.75rem;
  line-height: 1.6;
}

.timeline-item {
  width: 100%;
  animation: event-enter 200ms cubic-bezier(0.2, 0.7, 0.3, 1);
}

@keyframes event-enter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.date-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 4px 0;
  color: var(--subtle);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
}

.date-divider::before,
.date-divider::after {
  flex: 1 1 0;
  height: 1px;
  background: var(--line);
  content: "";
}

.trim-notice {
  padding: 7px 12px;
  border: 1px dashed var(--line);
  border-radius: 999px;
  color: var(--subtle);
  font-size: 0.65rem;
  text-align: center;
}

/* -------------------------------------------------------- message cards */

.tone-codex {
  --tone: var(--tone-codex);
}

.tone-grok {
  --tone: var(--tone-grok);
}

.tone-kimi {
  --tone: var(--tone-kimi);
}

.tone-hermes {
  --tone: var(--tone-hermes);
}

.tone-claude {
  --tone: var(--tone-claude);
}

.tone-user {
  --tone: var(--tone-user);
}

.tone-system {
  --tone: var(--tone-system);
}

/* Palette for custom (non-builtin) agents, assigned by actor id hash. */
.tone-dynamic-0 {
  --tone: #c2457e;
}

.tone-dynamic-1 {
  --tone: #3f9e4d;
}

.tone-dynamic-2 {
  --tone: #0284c7;
}

.tone-dynamic-3 {
  --tone: #be5008;
}

.tone-dynamic-4 {
  --tone: #0e7490;
}

.tone-dynamic-5 {
  --tone: #65a30d;
}

.actor-dynamic-0 {
  color: #c2457e;
}

.actor-dynamic-1 {
  color: #3f9e4d;
}

.actor-dynamic-2 {
  color: #0284c7;
}

.actor-dynamic-3 {
  color: #be5008;
}

.actor-dynamic-4 {
  color: #0e7490;
}

.actor-dynamic-5 {
  color: #65a30d;
}

.event-card {
  position: relative;
  display: flex;
  gap: 10px;
  padding: 7px 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  box-shadow: none;
}

.event-card:hover {
  background: var(--quote-bg);
}

.event-card.actor-user-card {
  flex-direction: row-reverse;
}

.event-body {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
}

.actor-user-card .event-body {
  align-items: flex-end;
}

.event-card.is-streaming .event-content::after {
  display: inline-block;
  width: 6px;
  height: 13px;
  margin-left: 4px;
  border-radius: 2px;
  background: var(--accent);
  content: "";
  animation: cursor-blink 850ms steps(1) infinite;
  vertical-align: -2px;
}

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

.event-card.is-highlighted {
  animation: highlight-pulse 1.2s ease-out;
}

@keyframes highlight-pulse {
  0% {
    background: var(--accent-wash);
  }
  100% {
    background: transparent;
  }
}

.event-meta {
  gap: 8px;
  min-width: 0;
  color: var(--subtle);
  font-size: 0.66rem;
}

.actor-name {
  overflow: hidden;
  color: var(--tone, var(--text));
  font-size: 0.72rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.actor-id {
  display: none;
}

.event-time {
  color: var(--subtle);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.event-content,
.generic-body,
.record-content,
.turn-error,
.activity-preview {
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  word-break: break-word;
}

.event-content {
  margin: 3px 0 0;
  color: var(--content-text);
  font-size: 0.85rem;
  line-height: 1.68;
}

.tool-progress-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 680px;
  margin: 5px 0 2px;
}

.tool-progress {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--quote-bg);
  color: var(--muted);
  font-size: 0.66rem;
}

.tool-progress-summary {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 31px;
  padding: 4px 6px 4px 10px;
}

.tool-progress-indicator {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warning);
}

.tool-progress[data-tone="running"] .tool-progress-indicator {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--warning) 15%, transparent);
  animation: tool-progress-pulse 1.3s ease-in-out infinite;
}

.tool-progress[data-tone="success"] .tool-progress-indicator {
  background: var(--success);
}

.tool-progress[data-tone="danger"] .tool-progress-indicator {
  background: var(--danger);
}

@keyframes tool-progress-pulse {
  50% {
    opacity: 0.45;
  }
}

.tool-progress-label {
  min-width: 0;
  overflow: hidden;
  color: var(--content-text);
  font-family: var(--font-mono);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-progress-status {
  flex: 0 0 auto;
  color: var(--subtle);
}

.tool-progress-toggle {
  flex: 0 0 auto;
  padding: 3px 7px;
  margin-left: auto;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--accent);
  font-size: 0.64rem;
}

.tool-progress-toggle:hover {
  background: var(--accent-wash);
}

.tool-progress-details {
  max-height: 220px;
  padding: 9px 11px;
  margin: 0;
  overflow: auto;
  border-top: 1px solid var(--line);
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.tool-progress-details[hidden] {
  display: none;
}

.actor-user-card .event-content {
  max-width: min(560px, 85%);
  margin-top: 5px;
  padding: 8px 13px;
  border: 1px solid var(--user-bubble-border);
  border-radius: 14px 14px 4px 14px;
  background: var(--user-bubble-bg);
}

.actor-user-card .reply-reference {
  text-align: left;
}

.event-actions {
  position: absolute;
  top: 2px;
  right: 8px;
  gap: 2px;
  padding: 2px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-2);
  box-shadow: var(--shadow-card);
  opacity: 0;
  transition: opacity 140ms ease;
}

.actor-user-card .event-actions {
  right: 48px;
  left: auto;
}

.event-card:hover .event-actions,
.event-card:focus-within .event-actions {
  opacity: 1;
}

.text-button {
  padding: 2px 0;
  color: var(--subtle);
  font-size: 0.66rem;
  transition: color 120ms ease;
}

.event-actions .text-button {
  padding: 3px 8px;
  border-radius: 6px;
}

.event-actions .text-button:hover {
  background: var(--quote-bg-hover);
  color: var(--text);
}

.text-button.danger-text:hover,
.text-button.is-armed {
  color: var(--danger);
}

.reply-reference {
  padding: 8px 11px;
  margin-top: 9px;
  border-left: 2px solid var(--tone, var(--line-strong));
  border-radius: 6px;
  background: var(--quote-bg);
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.5;
}

.reply-reference.is-linked {
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.reply-reference.is-linked:hover {
  background: var(--quote-bg-hover);
  color: var(--text);
}

/* ------------------------------------------------------------- code view */

.code-block {
  margin: 10px 0 2px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--code-bg);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 8px 5px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--code-header-bg);
}

.code-lang {
  color: var(--subtle);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.code-copy {
  padding: 3px 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 0.62rem;
  transition: color 120ms ease, background 120ms ease;
}

.code-copy:hover {
  background: var(--quote-bg-hover);
  color: var(--text);
}

.code-block-body {
  margin: 0;
  padding: 11px 13px;
  overflow-x: auto;
  color: var(--code-text);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  white-space: pre;
}

.inline-code {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--inline-code-bg);
  color: var(--inline-code-text);
  font-family: var(--font-mono);
  font-size: 0.78em;
}

.inline-link {
  color: var(--info);
  text-decoration: none;
  border-bottom: 1px solid var(--activity-border);
  transition: color 120ms ease, border-color 120ms ease;
}

.inline-link:hover {
  color: var(--info-strong);
  border-bottom-color: var(--info-strong);
}

/* ------------------------------------------------- turn / activity cards */

.turn-card,
.generic-card,
.activity-card {
  position: relative;
  padding: 8px 13px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  box-shadow: none;
  color: var(--muted);
  font-size: 0.7rem;
}

.turn-card {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
}

.turn-card .turn-card-header {
  justify-content: center;
  gap: 10px;
}

.turn-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
  font-weight: 600;
}

.turn-state::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warning);
  content: "";
}

.turn-card[data-status="completed"] .turn-state::before {
  background: var(--success);
}

.turn-card[data-status="failed"] .turn-state::before,
.turn-card[data-status="cancelled"] .turn-state::before,
.turn-card[data-status="interrupted"] .turn-state::before {
  background: var(--danger);
}

.cancel-button {
  padding: 4px 9px;
  border: 1px solid var(--error-border);
  border-radius: 999px;
  background: var(--danger-wash);
  color: var(--danger);
  font-size: 0.63rem;
  transition: background 120ms ease;
}

.cancel-button:hover {
  background: var(--error-bg);
}

.turn-error {
  margin: 8px 0 0;
  color: var(--error-text);
  line-height: 1.5;
}

.activity-card {
  max-width: 620px;
  padding: 5px 13px;
  margin: 0 auto;
  background: transparent;
  text-align: center;
}

.activity-card .event-meta {
  justify-content: center;
}

.activity-line {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
}

.activity-preview {
  margin: 3px 0 0;
  color: var(--subtle);
  font-size: 0.66rem;
  line-height: 1.55;
}

.generic-card {
  max-width: 680px;
  background: var(--quote-bg);
}

.generic-type {
  color: var(--text);
  font-weight: 650;
}

.generic-body {
  max-height: 180px;
  margin: 7px 0 0;
  overflow: auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1.5;
}

/* -------------------------------------------------------------- composer */

.composer {
  z-index: 3;
  flex: 0 0 auto;
  min-width: 0;
  padding: 10px var(--conversation-gutter) 12px;
  border-top: 1px solid var(--line);
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(1.2);
}

.composer-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.context-controls {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.context-usage {
  display: grid;
  grid-template-columns: auto auto;
  align-content: center;
  align-items: baseline;
  gap: 2px 8px;
  min-width: 148px;
  min-height: 48px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  color: var(--subtle);
  font-size: 0.6rem;
  font-variant-numeric: tabular-nums;
}

.context-usage-label {
  white-space: nowrap;
}

.context-usage strong {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 650;
  white-space: nowrap;
}

.context-usage-meter {
  grid-column: 1 / -1;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.context-usage-meter > span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 180ms ease, background 180ms ease;
}

.context-usage[data-level="warning"] .context-usage-meter > span {
  background: var(--warning);
}

.context-usage[data-level="critical"] .context-usage-meter > span {
  background: var(--danger);
}

.context-compact-button {
  min-height: 34px;
  padding: 6px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--card-bg);
  color: var(--text);
  font-size: 0.66rem;
  white-space: nowrap;
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease;
}

.context-compact-button:hover:not(:disabled) {
  border-color: var(--accent-border);
  background: var(--accent-wash);
  color: var(--accent);
}

.context-compact-button:disabled {
  cursor: default;
  color: var(--subtle);
  opacity: 0.58;
}

.target-picker {
  display: flex;
  flex: 1 1 auto;
  flex-wrap: nowrap;
  gap: 7px;
  min-width: 0;
  max-width: 100%;
  padding: 0 0 3px;
  margin: 0;
  overflow-x: auto;
  overflow-y: hidden;
  border: 0;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.target-picker legend {
  float: left;
  flex: 0 0 auto;
  padding: 7px 8px 0 0;
  color: var(--subtle);
  font-size: 0.66rem;
}

.target-chip {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
}

.target-chip input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.target-chip span {
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--muted);
  font-size: 0.67rem;
  transition: background 130ms ease, border-color 130ms ease, color 130ms ease,
    box-shadow 130ms ease;
}

.target-chip:hover span {
  border-color: var(--line-bright);
  color: var(--text);
}

.target-chip input:checked + span {
  border-color: var(--accent-border);
  background: var(--accent-wash);
  color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-wash);
}

.target-chip input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.target-chip[class*="tone-"] input:checked + span {
  border-color: var(--tone);
  background: color-mix(in srgb, var(--tone) 10%, transparent);
  color: var(--tone);
  box-shadow: none;
}

.supervision-card {
  max-width: min(42rem, 100%);
  padding: 10px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 6%, var(--card-bg));
}

.supervision-title {
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 650;
}

.supervision-reason {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.45;
}

.reply-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 11px;
  margin-bottom: 8px;
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--accent-wash);
  color: var(--muted);
  font-size: 0.67rem;
}

.reply-context[hidden] {
  display: none;
}

.reply-kicker {
  display: block;
  margin-bottom: 2px;
  color: var(--accent);
  font-weight: 650;
}

.icon-button {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 1rem;
  transition: background 120ms ease, color 120ms ease;
}

.icon-button:hover {
  background: var(--quote-bg-hover);
  color: var(--text);
}

.composer-input-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.record-form textarea,
.record-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-2);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.record-form textarea:focus,
.record-form select:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px var(--accent-wash);
}

.composer-box {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--bg-2);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.composer-box:focus-within {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px var(--accent-wash);
}

.composer textarea {
  width: 100%;
  min-height: 44px;
  max-height: 180px;
  padding: 12px 14px 6px;
  border: 0;
  background: transparent;
  overflow-y: hidden;
  line-height: 1.55;
  resize: none;
}

.composer textarea:focus-visible {
  outline: none;
}

.composer textarea::placeholder,
.record-form textarea::placeholder {
  color: var(--placeholder);
}

.composer-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 10px 10px;
}

.send-button,
.secondary-button {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  transition: background 130ms ease, color 130ms ease, box-shadow 130ms ease;
}

.send-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 16px;
  font-size: 0.8rem;
}

.send-icon {
  width: 14px;
  height: 14px;
}

.send-button:hover:not(:disabled),
.secondary-button:hover:not(:disabled) {
  background: var(--accent-strong);
  box-shadow: 0 4px 14px var(--accent-border);
}

.send-button:active:not(:disabled),
.secondary-button:active:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 86%, #000000);
}

.send-button:disabled,
.secondary-button:disabled {
  background: var(--btn-disabled-bg);
  color: var(--btn-disabled-ink);
  opacity: 1;
}

.composer-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 7px;
  color: var(--subtle);
  font-size: 0.62rem;
  font-variant-numeric: tabular-nums;
}

.composer-footer .is-error {
  color: var(--danger);
}

#character-count.is-warning {
  color: var(--warning);
}

#character-count.is-error {
  color: var(--danger);
}

.section-description {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.6;
}

.record-list {
  display: grid;
  gap: 9px;
}

.record-list:empty::after {
  display: block;
  padding: 22px 12px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  color: var(--subtle);
  font-size: 0.67rem;
  text-align: center;
  content: "还没有记录";
}

.memory-agent-picker {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.64rem;
}

.memory-agent-picker select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-2);
  color: var(--text);
}

.memory-date-groups {
  display: grid;
  gap: 16px;
}

.memory-date-group {
  display: grid;
  gap: 8px;
}

.memory-date-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--subtle);
  font-size: 0.64rem;
  font-weight: 700;
}

.memory-date-heading::after {
  height: 1px;
  background: var(--line);
  content: "";
  flex: 1;
}

.memory-empty {
  padding: 22px 12px;
  margin: 0;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  color: var(--subtle);
  font-size: 0.67rem;
  text-align: center;
}

.record-card {
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  transition: border-color 140ms ease;
}

.record-card:hover {
  border-color: var(--line-strong);
}

.record-meta {
  justify-content: space-between;
  gap: 8px;
  color: var(--subtle);
  font-size: 0.6rem;
}

.record-kind {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--muted);
}

.record-content {
  margin: 8px 0 0;
  color: var(--record-text);
  font-size: 0.71rem;
  line-height: 1.6;
}

.record-actions {
  gap: 12px;
  margin-top: 8px;
  opacity: 0;
  transition: opacity 140ms ease;
}

.record-card:hover .record-actions,
.record-card:focus-within .record-actions {
  opacity: 1;
}

.record-form {
  display: grid;
  gap: 7px;
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px solid var(--line);
}

.record-form label {
  color: var(--muted);
  font-size: 0.64rem;
}

.record-form textarea,
.record-form select {
  padding: 8px 10px;
  font-size: 0.71rem;
}

.record-form textarea {
  resize: vertical;
}

.record-form select {
  color: var(--text);
}

.secondary-button {
  min-height: 34px;
  padding: 7px 12px;
  margin-top: 3px;
  font-size: 0.67rem;
}

.replace-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--warning);
  border-radius: var(--radius-sm);
  background: var(--warning-wash);
  color: var(--warning);
  font-size: 0.65rem;
}

.replace-banner[hidden] {
  display: none;
}

/* ------------------------------------------------------------ responsive */

@media (hover: none) {
  .event-actions,
  .record-actions {
    opacity: 1;
  }
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 240px minmax(440px, 1fr);
  }

  .runtime-progress-copy span {
    display: none;
  }
}

@media (max-width: 760px) {
  body {
    overflow: hidden;
  }

  .app-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 56px auto minmax(0, 1fr);
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    max-height: none;
  }

  .app-header {
    position: relative;
    grid-column: 1;
    grid-row: 1;
    min-height: 56px;
    padding: 0 14px;
  }

  .room-label,
  .brand-lockup p {
    display: none;
  }

  .setup-link {
    width: 30px;
    padding: 0;
    justify-content: center;
  }

  .setup-link-label {
    display: none;
  }

  .agents-panel {
    grid-column: 1;
    grid-row: 2;
    padding: 12px 14px;
    overflow: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .agents-panel .panel-heading,
  .local-note,
  .agent-meta-row {
    display: none;
  }

  .agent-list {
    display: flex;
    overflow-x: auto;
  }

  .agent-card {
    min-width: 148px;
    padding: 9px;
  }

  .sidebar-memory {
    margin-top: 8px;
  }

  .sidebar-memory > summary {
    min-height: 36px;
    padding: 7px 10px;
  }

  .sidebar-memory[open] {
    max-height: min(44vh, 320px);
    overflow: auto;
  }

  .conversation-panel {
    grid-column: 1;
    grid-row: 3;
    min-height: 0;
  }

  .conversation-heading {
    padding: 12px 14px 8px;
  }

  .timeline {
    min-height: 0;
    padding-right: 14px;
    padding-left: 14px;
  }

  .event-card,
  .turn-card,
  .generic-card,
  .activity-card {
    max-width: 100%;
  }

  .composer {
    position: relative;
    padding: 10px 12px;
  }

  .composer-topbar {
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
  }

  .target-picker {
    flex: 1 1 0;
    min-width: 0;
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .context-controls {
    flex: 0 1 auto;
    flex-wrap: nowrap;
    max-width: 72%;
  }

  .runtime-progress {
    flex: 0 1 220px;
    min-width: 140px;
    max-width: min(220px, 34vw);
  }

  .context-usage {
    min-width: 132px;
    margin-left: 0;
  }

  .context-compact-button {
    padding-right: 9px;
    padding-left: 9px;
  }

  @media (max-width: 520px) {
    .context-controls:has(.runtime-progress:not([hidden])) .context-usage,
    .context-controls:has(.runtime-progress:not([hidden])) .context-compact-button {
      display: none;
    }

    .runtime-progress {
      max-width: min(220px, 52vw);
    }
  }

}

.assistant-drawer {
  position: fixed;
  top: 60px;
  right: 0;
  z-index: 8;
  display: flex;
  width: min(380px, 100vw);
  height: calc(100vh - 60px);
  height: calc(100dvh - 60px);
  flex-direction: column;
  border-left: 1px solid var(--line);
  background: var(--bg-1);
  box-shadow: var(--shadow-card);
}

.assistant-drawer[hidden] {
  display: none;
}

.assistant-drawer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line);
}

.assistant-drawer-header h2 {
  margin: 4px 0 0;
  font-size: 1.05rem;
}

.assistant-status {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.assistant-close {
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: var(--subtle);
  font-size: 1.2rem;
  cursor: pointer;
}

.assistant-guide {
  margin: 16px 18px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.assistant-timeline {
  display: grid;
  align-content: start;
  gap: 10px;
  flex: 1;
  margin: 0;
  padding: 14px 18px;
  overflow: auto;
  list-style: none;
}

.assistant-timeline:empty::before {
  content: "单独问房间助理。不会发到群里。";
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.assistant-bubble {
  max-width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--bg-2);
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.assistant-bubble.is-user {
  justify-self: end;
  background: var(--accent-wash);
}

.assistant-bubble.is-pending:not(.is-user) {
  color: var(--muted);
}

.assistant-form {
  display: grid;
  gap: 8px;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line);
}

.assistant-form .composer-box textarea {
  width: 100%;
  min-height: 40px;
  max-height: 140px;
  padding: 10px 12px 4px;
  border: 0;
  background: transparent;
  overflow-y: hidden;
  line-height: 1.5;
  resize: none;
}

.assistant-form .composer-box textarea:focus-visible {
  outline: none;
}

.assistant-form .composer-toolbar {
  gap: 8px;
}

.assistant-form-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.assistant-form-status.is-error {
  color: #b42318;
}

.event-card.operator-dispatch-card {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.74rem;
}

.event-card.operator-dispatch-card summary {
  cursor: pointer;
}

.event-card.operator-dispatch-card pre {
  margin: 8px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 760px) {
  .assistant-drawer {
    top: 56px;
    width: 100vw;
    height: calc(100vh - 56px);
    height: calc(100dvh - 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}