:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-subtle: #eef2f3;
  --surface-hover: #f8fafb;
  --border: #d6dee1;
  --text: #1d2528;
  --muted: #5f6f75;
  --blue: #2463a6;
  --green: #23735b;
  --amber: #986b12;
  --red: #a43e3e;
  --shadow: 0 14px 36px rgba(29, 37, 40, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button {
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

button:hover {
  border-color: var(--blue);
}

input,
select,
textarea {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 9px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
}

[hidden] {
  display: none !important;
}

.primary-button {
  border-color: rgba(36, 99, 166, 0.4);
  background: var(--blue);
  color: #ffffff;
}

.danger-button {
  border-color: rgba(164, 62, 62, 0.4);
  color: var(--red);
}

.app-topbar {
  height: 64px;
  display: grid;
  grid-template-columns: minmax(160px, 240px) 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(245, 247, 248, 0.96);
}

.app-topbar h1 {
  margin: 0;
  font-size: 21px;
  line-height: 1.1;
}

.app-topbar p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.topnav,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topnav button.selected,
.mailbox-filter.selected {
  border-color: rgba(36, 99, 166, 0.42);
  background: #e9f2fb;
  color: var(--blue);
}

.topbar-actions {
  justify-content: end;
}

.app-shell {
  height: calc(100dvh - 64px);
  min-height: 0;
  overflow: hidden;
}

.app-view {
  height: 100%;
  min-height: 0;
}

.inbox-view {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
}

.inbox-rail {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  min-height: 0;
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.mailbox-actions {
  padding: 12px;
}

.mailbox-actions button {
  width: 100%;
}

.mailbox-nav {
  display: grid;
  gap: 4px;
  padding: 0 8px 10px;
  border-bottom: 1px solid var(--border);
}

.mailbox-filter {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 34px;
  padding: 6px 8px;
  border-color: transparent;
  text-align: left;
}

.mailbox-filter strong {
  color: var(--muted);
  font-size: 12px;
}

.inbox-list {
  min-height: 0;
  overflow: auto;
  padding: 8px;
}

.reading-pane {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--bg);
}

.thread-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.thread-header h2 {
  margin: 8px 0 5px;
  font-size: 20px;
  line-height: 1.2;
}

.thread-header p {
  margin: 0;
  color: var(--muted);
}

.compose-form label span,
.form-status,
.form-note {
  color: var(--muted);
  font-size: 12px;
}

.thread-menu-wrap {
  position: relative;
  align-self: start;
}

.icon-button {
  width: 36px;
  min-height: 36px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
}

.thread-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 5;
  display: grid;
  min-width: 156px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.thread-menu button {
  border-color: transparent;
  text-align: left;
}

.thread-menu button:hover {
  background: var(--surface-hover);
}

.conversation-panel,
.panel,
.metric {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.section-heading,
.panel-heading {
  min-height: 38px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-subtle);
}

.section-heading h2,
.panel-heading h2 {
  margin: 0;
  font-size: 13px;
}

.conversation-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  min-height: 0;
  margin: 12px;
  overflow: hidden;
}

.conversation-thread {
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 0;
  overflow: auto;
  padding: 16px;
}

.conversation-message {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  max-width: 880px;
}

.message-user {
  margin-left: auto;
  width: min(760px, 100%);
}

.message-avatar {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface-subtle);
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.message-user .message-avatar {
  background: #e9f2fb;
  color: var(--blue);
}

.message-body {
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.message-user .message-body {
  border-color: rgba(36, 99, 166, 0.24);
  background: #f7fbff;
}

.message-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.message-header strong {
  color: var(--text);
}

.message-text,
.thinking-item p {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.thinking-disclosure {
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

.thinking-disclosure summary {
  cursor: pointer;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}

.thinking-list {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.thinking-item {
  padding: 8px 10px;
  border-left: 3px solid rgba(35, 115, 91, 0.42);
  background: var(--surface-hover);
  color: var(--muted);
}

.thinking-item span {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
}

.conversation-reply {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
}

.reply-composer {
  display: grid;
  gap: 8px;
  padding: 0 16px 12px;
}

.reply-composer textarea {
  min-height: 108px;
}

.reply-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.thread-status {
  margin: 0;
  padding: 0 16px 12px;
}

.details-popover {
  position: absolute;
  right: 16px;
  top: 72px;
  z-index: 4;
  width: min(620px, calc(100% - 32px));
  max-height: calc(100% - 96px);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.details-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-subtle);
}

.details-header h2 {
  margin: 0;
  font-size: 14px;
}

.task-ids,
.workspace {
  padding: 10px 12px;
}

.task-ids {
  display: grid;
  gap: 6px;
  align-content: start;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.control-room-view {
  overflow: auto;
  padding: 18px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.metric {
  min-height: 72px;
  padding: 12px;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.metric strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.control-room-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.45fr);
  gap: 14px;
}

.system-notes {
  display: grid;
  gap: 8px;
  padding: 12px;
  color: var(--muted);
}

.system-notes p {
  margin: 0;
}

.list {
  padding: 10px;
}

.empty {
  margin: 0;
  padding: 10px;
  color: var(--muted);
}

.row {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 7px;
}

.row + .row {
  margin-top: 6px;
}

.row:hover,
.row.selected {
  border-color: var(--border);
  background: var(--surface-subtle);
}

.dev-worker-row {
  background: #fff8eb;
}

.task-list .row {
  cursor: pointer;
}

.row-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
}

.row-title strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-meta,
.event-meta,
.kv {
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.row textarea {
  min-height: 84px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.status-connected,
.status-completed,
.status-sent,
.status-answered {
  border-color: rgba(35, 115, 91, 0.35);
  color: var(--green);
}

.status-running,
.status-interrupting {
  border-color: rgba(36, 99, 166, 0.35);
  color: var(--blue);
}

.status-queued,
.status-pending,
.status-development,
.status-needs_response,
.status-suggested_reply,
.status-active,
.status-needs_review {
  border-color: rgba(152, 107, 18, 0.35);
  color: var(--amber);
}

.status-failed,
.status-interrupt_failed,
.status-disconnected {
  border-color: rgba(164, 62, 62, 0.35);
  color: var(--red);
}

.event {
  display: grid;
  gap: 6px;
  padding: 11px;
  border-left: 3px solid var(--border);
}

.event + .event {
  border-top: 1px solid var(--border);
}

.event-agent {
  border-left-color: var(--green);
}

.event-system {
  border-left-color: var(--blue);
}

.event-worker {
  border-left-color: var(--amber);
}

.event-text {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.notice {
  margin: 0 0 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
}

.notice.warning {
  border-color: rgba(152, 107, 18, 0.35);
  background: #fff8eb;
  color: #6c4c0d;
}

.workspace dl {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 8px 10px;
  margin: 0;
}

.workspace dt {
  color: var(--muted);
}

.workspace dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.compose-drawer {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10;
  width: min(720px, calc(100vw - 36px));
  max-height: min(720px, calc(100dvh - 96px));
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.compose-form {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.compose-header,
.compose-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.compose-header h2 {
  margin: 0;
  font-size: 16px;
}

.compose-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 0.4fr);
  gap: 10px;
}

.compose-form label {
  display: grid;
  gap: 5px;
}

.compose-form textarea {
  min-height: 128px;
}

.form-status,
.form-note {
  min-height: 18px;
  margin: 0;
}

.check-row {
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: center;
}

.check-row input {
  width: 16px;
  min-height: 16px;
}

.advanced-compose,
.dev-worker-details {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-subtle);
}

.advanced-compose summary,
.dev-worker-details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.advanced-compose[open],
.dev-worker-details[open] {
  gap: 10px;
}

.advanced-compose[open] summary,
.dev-worker-details[open] summary {
  margin-bottom: 10px;
}

@media (max-width: 980px) {
  body {
    overflow: auto;
  }

  .app-topbar,
  .inbox-view,
  .thread-header,
  .control-room-grid {
    grid-template-columns: 1fr;
  }

  .app-topbar,
  .app-shell,
  .app-view,
  .reading-pane {
    height: auto;
    overflow: visible;
  }

  .inbox-rail,
  .conversation-thread {
    overflow: visible;
  }
}

@media (max-width: 620px) {
  .topnav,
  .topbar-actions,
  .compose-header,
  .compose-footer,
  .reply-actions,
  .compose-grid {
    align-items: stretch;
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}