:root {
  color-scheme: light;
  --bg: #f6f7f5;
  --surface: #ffffff;
  --surface-soft: #eef3ef;
  --border: #d9ded8;
  --text: #17211c;
  --muted: #66736b;
  --primary: #11746f;
  --primary-strong: #0b5f5b;
  --success: #15803d;
  --warning: #b45309;
  --danger: #b42318;
  --info: #3f5e78;
  --shadow: 0 18px 45px rgba(30, 43, 36, 0.10);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(17, 116, 111, 0.14), transparent 42%),
    linear-gradient(315deg, rgba(180, 83, 9, 0.10), transparent 45%),
    var(--bg);
}

.login-panel {
  width: min(420px, 100%);
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand-row,
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--primary);
  color: white;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.login-panel h1,
.topbar h1 {
  margin: 0;
}

.login-panel p,
.topbar p {
  margin: 6px 0 0;
  color: var(--muted);
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

input,
select,
textarea {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  color: var(--text);
  padding: 0 12px;
}

textarea {
  width: 100%;
  min-height: 132px;
  padding: 12px;
  line-height: 1.55;
  resize: vertical;
}

.primary-button,
.secondary-button,
.ghost-button,
.text-button,
.danger-button {
  min-height: 36px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 14px;
  white-space: nowrap;
}

.primary-button {
  background: var(--primary);
  color: white;
}

.primary-button:hover {
  background: var(--primary-strong);
}

.secondary-button {
  border-color: var(--border);
  background: white;
  color: var(--text);
}

.danger-button {
  border-color: rgba(180, 35, 24, 0.28);
  background: rgba(180, 35, 24, 0.08);
  color: var(--danger);
}

.secondary-button:hover,
.ghost-button:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.ghost-button {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.text-button {
  min-height: auto;
  border: 0;
  background: transparent;
  color: var(--primary);
  padding: 0;
}

.form-error {
  border: 1px solid rgba(180, 35, 24, 0.22);
  border-radius: 8px;
  background: rgba(180, 35, 24, 0.08);
  color: var(--danger);
  padding: 10px 12px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 22px;
  border-right: 1px solid var(--border);
  background: #fbfcfa;
  padding: 20px;
}

.sidebar-brand strong,
.sidebar-brand span {
  display: block;
}

.sidebar-brand span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

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

.nav-section-title {
  margin: 8px 0 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.nav-group {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.nav-group summary {
  min-height: 40px;
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  padding: 0 12px;
  list-style: none;
  user-select: none;
}

.nav-group summary::-webkit-details-marker {
  display: none;
}

.nav-group summary::after {
  content: "展开";
  margin-left: auto;
  color: var(--muted);
  font-size: 12px;
}

.nav-group[open] summary::after {
  content: "收起";
}

.nav-group[open] summary {
  border-color: rgba(17, 116, 111, 0.18);
  background: rgba(17, 116, 111, 0.06);
  color: var(--primary);
}

.nav-group .nav-item {
  margin-left: 10px;
  width: calc(100% - 10px);
}

.nav-item {
  width: 100%;
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  padding: 0 12px;
}

.nav-item.active {
  border-color: rgba(17, 116, 111, 0.18);
  background: rgba(17, 116, 111, 0.10);
  color: var(--primary);
  font-weight: 700;
}

#logout-button {
  margin-top: auto;
  width: 100%;
}

.main-pane {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.topbar-actions,
.button-row,
.filter-row,
.log-selectors {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.view-stack {
  display: grid;
  gap: 16px;
}

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

.metric-tile,
.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(30, 43, 36, 0.06);
}

.metric-tile {
  min-height: 126px;
  display: grid;
  gap: 8px;
  align-content: center;
  padding: 18px;
}

.metric-tile span,
.muted-text,
.metric-tile small {
  color: var(--muted);
}

.metric-tile strong {
  font-size: 30px;
  line-height: 1;
}

.panel {
  padding: 16px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-header h2 {
  margin: 0;
  font-size: 18px;
}

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

.chain-node {
  min-height: 74px;
  display: grid;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface-soft);
}

.chain-node strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-pill {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 700;
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.status-running {
  background: rgba(21, 128, 61, 0.10);
  color: var(--success);
}

.status-degraded {
  background: rgba(180, 83, 9, 0.12);
  color: var(--warning);
}

.status-stopped,
.status-unknown {
  background: rgba(180, 35, 24, 0.10);
  color: var(--danger);
}

.status-external {
  background: rgba(63, 94, 120, 0.12);
  color: var(--info);
}

.problem-list,
.task-list,
.audit-list,
.session-list,
.snapshot-list,
.alert-list,
.log-error-list,
.history-list,
.edge-list {
  display: grid;
  gap: 10px;
}

.problem-item,
.task-item,
.audit-item,
.session-item,
.snapshot-item,
.domain-item,
.alert-item,
.log-error-item,
.history-item,
.edge-item,
.topology-node {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: #fbfcfa;
}

.problem-item strong,
.task-item strong,
.snapshot-item strong,
.alert-item strong,
.log-error-item strong,
.history-item strong,
.topology-node strong {
  display: block;
  margin-bottom: 4px;
}

.table-wrap {
  overflow-x: auto;
}

.service-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
}

.service-table th,
.service-table td {
  border-bottom: 1px solid var(--border);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}

.service-table th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.service-name {
  display: grid;
  gap: 4px;
}

.service-name small,
.audit-item small,
.task-item small,
.session-item small,
.snapshot-item small,
.domain-item small,
.alert-item small,
.log-error-item small,
.history-item small,
.topology-node small {
  color: var(--muted);
}

.session-item,
.domain-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.domain-item {
  display: grid;
  gap: 12px;
}

.alert-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.alert-critical {
  border-color: rgba(180, 35, 24, 0.28);
  background: rgba(180, 35, 24, 0.06);
}

.alert-warning {
  border-color: rgba(180, 83, 9, 0.28);
  background: rgba(180, 83, 9, 0.06);
}

.alert-item.is-acked {
  opacity: 0.68;
}

.inline-log {
  max-height: 180px;
  overflow: auto;
  margin: 8px 0 0;
  border-radius: 8px;
  background: #101815;
  color: #dbe8df;
  padding: 10px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.bar-row {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-soft);
  margin-top: 8px;
}

.bar-row span {
  display: block;
  height: 100%;
  background: var(--primary);
}

.bar-row.memory span {
  background: var(--info);
}

.topology-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.topology-node {
  display: grid;
  gap: 6px;
  min-height: 96px;
}

.status-border-running {
  border-color: rgba(21, 128, 61, 0.28);
}

.status-border-degraded,
.status-border-stopped {
  border-color: rgba(180, 83, 9, 0.34);
}

.edge-item {
  color: var(--muted);
  font-size: 13px;
}

.domain-title strong,
.domain-title small,
.session-item strong,
.session-item small {
  display: block;
}

.info-grid {
  display: grid;
  grid-template-columns: 76px minmax(70px, auto) minmax(0, 1fr);
  gap: 8px 10px;
  align-items: start;
  font-size: 13px;
}

.info-grid span {
  color: var(--muted);
}

.info-grid small {
  overflow-wrap: anywhere;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tiny-button {
  min-height: 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  color: var(--text);
  padding: 0 9px;
}

.tiny-button.danger {
  color: var(--danger);
}

.log-panel {
  min-height: calc(100vh - 120px);
}

.log-toolbar {
  align-items: flex-start;
}

.log-output {
  height: calc(100vh - 220px);
  min-height: 360px;
  overflow: auto;
  margin: 0;
  border-radius: 8px;
  background: #101815;
  color: #dbe8df;
  padding: 14px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.log-output.compact {
  height: 320px;
  min-height: 260px;
}

.terminal-input {
  margin-bottom: 12px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.account-form {
  max-width: 520px;
  display: grid;
  gap: 14px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(420px, calc(100vw - 36px));
  border-radius: 8px;
  background: #17211c;
  color: white;
  box-shadow: var(--shadow);
  padding: 12px 14px;
  z-index: 20;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(23, 33, 28, 0.42);
  z-index: 30;
}

.modal-dialog {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 18px;
}

.modal-dialog h2,
.modal-dialog p {
  margin: 0;
}

.modal-dialog p {
  color: var(--muted);
}

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

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }

  .nav-list {
    display: flex;
    flex-wrap: wrap;
  }

  #logout-button {
    width: auto;
    margin-left: auto;
  }

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

@media (max-width: 640px) {
  .main-pane {
    padding: 16px;
  }

  .topbar,
  .panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .metric-grid,
  .chain-grid,
  .domain-grid,
  .topology-grid {
    grid-template-columns: 1fr;
  }

  .log-selectors,
  .log-selectors input,
  .log-selectors select,
  .button-row,
  .button-row button {
    width: 100%;
  }
}