:root {
  --bg: #f6f5ef;
  --surface: #ffffff;
  --surface-2: #f0f3f1;
  --ink: #18211c;
  --muted: #657168;
  --line: #d9ded8;
  --line-strong: #bbc6bd;
  --teal: #276a60;
  --blue: #326fa3;
  --red: #b54343;
  --red-soft: #fae8e6;
  --amber: #a86e1d;
  --amber-soft: #fff1d9;
  --green: #2f7651;
  --green-soft: #e4f3e9;
  --gray-soft: #eef0ef;
  --shadow: 0 16px 40px rgba(32, 42, 35, 0.08);
  --radius: 8px;
  --sidebar: 260px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

.is-hidden {
  display: none !important;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}

.auth-panel {
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

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

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.1;
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.login-form label,
.filter-field,
.toolbar-field {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
  outline: none;
}

input:focus,
select:focus,
button:focus-visible {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(39, 106, 96, 0.16);
}

.primary-button,
.ghost-button {
  min-height: 38px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 9px 14px;
  font-weight: 700;
}

.primary-button {
  background: var(--teal);
  color: #fff;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.ghost-button {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--ink);
}

.clear-filters-button {
  min-height: 38px;
  align-self: end;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 9px 12px;
  font-weight: 800;
}

.form-error {
  min-height: 20px;
  color: var(--red);
  font-weight: 700;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar) 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: #18211c;
  color: #f9fbf8;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.sidebar-brand span:not(.brand-mark) {
  color: #b7c4bd;
  font-size: 13px;
}

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

.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: #dce5df;
  padding: 10px 12px;
  text-align: left;
  font-weight: 700;
}

.nav-item span {
  color: #6f8d7d;
}

.nav-item:hover,
.nav-item.is-active {
  background: #24342d;
  color: #fff;
}

.nav-item.is-active span {
  color: #62c093;
}

.workspace {
  min-width: 0;
  padding: 18px 22px 36px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  margin: -18px -22px 18px;
  padding: 14px 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  background: rgba(246, 245, 239, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.topbar-main {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.global-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.global-status span:last-child,
.freshness {
  color: var(--muted);
  font-size: 13px;
}

.toolbar {
  display: flex;
  align-items: end;
  gap: 10px;
}

.toolbar-field {
  min-width: 150px;
}

.runtime-message {
  margin-bottom: 16px;
  border-radius: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-weight: 700;
}

.runtime-message.tone-error {
  color: var(--red);
  background: var(--red-soft);
  border-color: #e2afaa;
}

.stale-data-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
  border: 1px solid #e0bd83;
  border-radius: var(--radius);
  background: var(--amber-soft);
  color: #794b0e;
  padding: 12px 14px;
}

.stale-data-notice span {
  flex: 1;
}

.load-failure {
  align-items: start;
}

.load-failure button {
  margin-top: 12px;
}

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

.section-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.section-header h2 {
  margin: 0 0 4px;
  font-size: 26px;
}

.section-header span {
  color: var(--muted);
}

.result-count {
  align-self: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(150px, 1fr));
  gap: 12px;
}

.metric-grid.compact {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric-grid.conversation-metrics {
  grid-template-columns: repeat(5, minmax(150px, 1fr));
}

.metric-card,
.panel,
.detail-panel,
.empty-state,
.alert-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric-card {
  min-height: 118px;
  padding: 14px;
  display: grid;
  align-content: space-between;
  border-top: 4px solid var(--line-strong);
}

.metric-card span,
.metric-card small {
  color: var(--muted);
  font-size: 13px;
}

.metric-card strong {
  font-size: 26px;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.metric-card-critical { border-top-color: var(--red); }
.metric-card-degraded { border-top-color: var(--amber); }
.metric-card-attention { border-top-color: var(--blue); }
.metric-card-healthy { border-top-color: var(--green); }
.metric-card-unknown { border-top-color: var(--line-strong); }

.dashboard-grid {
  display: grid;
  gap: 16px;
}

.quick-action-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.quick-action {
  min-height: 78px;
  display: grid;
  gap: 4px;
  justify-items: start;
  border: 1px solid var(--line);
  border-left: 4px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  padding: 11px 12px;
  text-align: left;
}

.quick-action span,
.quick-action small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.quick-action strong {
  font-size: 22px;
  line-height: 1;
}

.quick-action-critical { border-left-color: var(--red); }
.quick-action-degraded { border-left-color: var(--amber); }
.quick-action-attention { border-left-color: var(--blue); }
.quick-action-healthy { border-left-color: var(--green); }
.quick-action-unknown { border-left-color: var(--line-strong); }

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

.conversation-grid {
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
}

.panel,
.detail-panel {
  padding: 16px;
  min-width: 0;
}

.panel h3,
.detail-panel h3,
.detail-panel h4 {
  margin: 0 0 14px;
}

.health-strip {
  display: grid;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.health-strip:last-child {
  border-bottom: 0;
}

.health-strip > div:first-child,
.mini-row,
.priority-item header,
.alert-item header,
.alert-item footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.health-strip span,
.mini-row span,
.alert-item footer,
.priority-item span,
.priority-item small,
.empty-state span {
  color: var(--muted);
  font-size: 13px;
}

.bar-meter,
.health-meter {
  width: 100%;
  height: 10px;
  border: 0;
  border-radius: 999px;
  background: var(--surface-2);
}

.bar-meter::-webkit-meter-bar,
.health-meter::-webkit-meter-bar {
  border: 0;
  border-radius: 999px;
  background: var(--surface-2);
}

.bar-meter::-webkit-meter-optimum-value,
.bar-meter::-webkit-meter-suboptimum-value,
.bar-meter::-webkit-meter-even-less-good-value {
  border-radius: 999px;
  background: var(--teal);
}

.bar-meter::-moz-meter-bar {
  border-radius: 999px;
  background: var(--teal);
}

.health-meter-list {
  display: grid;
  gap: 8px;
}

.health-meter-row {
  display: grid;
  grid-template-columns: 112px minmax(80px, 1fr) 36px;
  gap: 8px;
  align-items: center;
}

.health-meter-row span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.health-meter-row strong {
  text-align: right;
  font-size: 13px;
}

.meter-critical::-webkit-meter-optimum-value { background: var(--red); }
.meter-degraded::-webkit-meter-optimum-value { background: var(--amber); }
.meter-attention::-webkit-meter-optimum-value { background: var(--blue); }
.meter-healthy::-webkit-meter-optimum-value { background: var(--green); }
.meter-unknown::-webkit-meter-optimum-value { background: #9ca5a0; }
.meter-critical::-moz-meter-bar { background: var(--red); }
.meter-degraded::-moz-meter-bar { background: var(--amber); }
.meter-attention::-moz-meter-bar { background: var(--blue); }
.meter-healthy::-moz-meter-bar { background: var(--green); }
.meter-unknown::-moz-meter-bar { background: #9ca5a0; }

.status-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  border-radius: 50%;
  display: inline-block;
}

.status-critical { background: var(--red); }
.status-degraded { background: var(--amber); }
.status-attention { background: var(--blue); }
.status-healthy { background: var(--green); }
.status-unknown { background: #8e9992; }

.status-pill,
.severity-pill,
.state-badge,
.numeric-badge,
.alert-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.status-pill.status-critical,
.severity-p0,
.severity-p1 {
  color: #8c2525;
  background: var(--red-soft);
}

.status-pill.status-degraded,
.severity-p2 {
  color: #794b0e;
  background: var(--amber-soft);
}

.status-pill.status-attention,
.severity-info {
  color: #24577d;
  background: #e4f0fb;
}

.status-pill.status-healthy,
.state-badge.is-on {
  color: #1e6840;
  background: var(--green-soft);
}

.status-pill.status-unknown,
.state-badge,
.numeric-badge,
.alert-status.status-open,
.alert-status.status-derived {
  color: #56625b;
  background: var(--gray-soft);
}

.alert-status.status-acknowledged {
  color: #24577d;
  background: #e4f0fb;
}

.alert-status.status-resolved {
  color: #1e6840;
  background: var(--green-soft);
}

.alert-status.status-muted {
  color: #6c5a37;
  background: #f1eadc;
}

.alert-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.alert-breakdown {
  display: grid;
  gap: 10px;
}

.alert-breakdown h3 {
  margin-bottom: 2px;
}

.alert-breakdown-row {
  display: grid;
  grid-template-columns: 140px minmax(100px, 1fr) 44px;
  gap: 10px;
  align-items: center;
  min-height: 30px;
}

.alert-breakdown-row span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.alert-breakdown-row strong {
  text-align: right;
  font-size: 13px;
}

.priority-list,
.alert-list,
.mini-list,
.volume-list {
  display: grid;
  gap: 10px;
}

.priority-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.priority-item:last-child {
  border-bottom: 0;
}

.priority-item p,
.alert-item p {
  margin: 8px 0;
  color: var(--ink);
}

.runbook-callout {
  margin-top: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8faf8;
}

.runbook-callout span,
.runbook-callout small,
.runbook-callout code {
  display: block;
}

.runbook-callout span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.runbook-callout code {
  margin: 4px 0;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.copy-button {
  min-height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 6px 10px;
  font-weight: 800;
}

.alert-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.source-action-button {
  min-height: 34px;
  border: 1px solid #a5d6c8;
  border-radius: 8px;
  background: #eef9f5;
  color: #0f5c4d;
  padding: 7px 11px;
  font-weight: 850;
}

.copy-buffer {
  position: fixed;
  top: -1000px;
  left: -1000px;
}

.mini-row {
  min-height: 54px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.mini-row:last-child {
  border-bottom: 0;
}

.mini-row strong,
.mini-row span,
.volume-row strong,
.volume-row span {
  display: block;
}

.volume-row {
  display: grid;
  grid-template-columns: minmax(160px, 240px) 1fr;
  gap: 14px;
  align-items: center;
  min-height: 46px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.active-filter-row {
  flex: 1 0 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 2px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 700;
}

.filter-chip strong {
  color: var(--ink);
  margin-right: 4px;
}

.filter-field {
  min-width: min(220px, 100%);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.8fr);
  gap: 16px;
  align-items: start;
}

.table-panel {
  padding: 0;
  overflow: hidden;
}

.table-scroll {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
}

.trend-table {
  min-width: 680px;
}

.trend-table .bar-meter {
  margin-top: 7px;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  font-size: 14px;
}

th {
  background: #f0f3f1;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

td strong,
td span {
  display: block;
}

td span {
  color: var(--muted);
  font-size: 12px;
}

.empty-table-row td {
  padding: 28px 12px;
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.selectable-row {
  cursor: pointer;
}

.selectable-row:hover,
.selectable-row:focus-visible,
.selectable-row.is-selected {
  background: #f3f7f5;
}

.selectable-row:focus-visible {
  outline: 3px solid rgba(39, 106, 96, 0.22);
  outline-offset: -3px;
}

.detail-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  margin-bottom: 14px;
}

.detail-heading h3 {
  margin: 0;
}

.detail-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.detail-metrics .metric-card {
  min-height: 96px;
}

.detail-metrics .metric-card strong {
  font-size: 22px;
}

.detail-code {
  margin-bottom: 16px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8faf8;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.detail-note {
  display: grid;
  gap: 4px;
  color: var(--muted);
}

.detail-note strong {
  color: var(--ink);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.resource-grid > div {
  display: grid;
  gap: 8px;
}

.stack-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.stack-tabs span {
  background: var(--surface-2);
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

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

.alert-item {
  padding: 14px;
}

.alert-item header div {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.alert-item header strong {
  overflow-wrap: anywhere;
}

.alert-item small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 700;
}

.related-alert-list {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.related-alert-row {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8faf8;
}

.related-alert-row header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.related-alert-row header div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.related-alert-row strong,
.related-alert-row small {
  display: block;
}

.related-alert-row small,
.related-alert-row header span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

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

.definition-grid div {
  display: grid;
  gap: 6px;
  padding: 12px;
  background: var(--surface-2);
  border-radius: var(--radius);
}

.definition-grid span {
  color: var(--muted);
  font-size: 13px;
}

.empty-state {
  padding: 22px;
  display: grid;
  gap: 6px;
  place-items: start;
}

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

.skeleton {
  height: 120px;
  border-radius: 8px;
  background: linear-gradient(90deg, #ecefeb, #f7f8f6, #ecefeb);
  background-size: 200% 100%;
  animation: pulse 1.2s ease-in-out infinite;
  border: 1px solid var(--line);
}

.mono-cell {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

@keyframes pulse {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

@media (max-width: 1240px) {
  .metric-grid,
  .metric-grid.conversation-metrics,
  .quick-action-row {
    grid-template-columns: repeat(3, minmax(170px, 1fr));
  }

  .two-columns,
  .conversation-grid,
  .split-layout,
  .alert-list,
  .alert-breakdown-grid {
    grid-template-columns: 1fr;
  }

  .detail-panel {
    position: static;
  }

  .runbook-callout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    padding: 12px;
  }

  .nav-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .nav-item {
    justify-content: center;
    padding: 9px 8px;
  }

  .workspace {
    padding: 12px 12px 28px;
  }

  .topbar {
    position: static;
    margin: -12px -12px 14px;
    padding: 12px;
    align-items: stretch;
    flex-direction: column;
  }

  .toolbar {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .stale-data-notice {
    align-items: stretch;
    flex-direction: column;
  }

  .toolbar-field {
    min-width: 150px;
    flex: 1;
  }

  .metric-grid,
  .metric-grid.compact,
  .metric-grid.conversation-metrics,
  .quick-action-row,
  .resource-grid,
  .definition-grid,
  .loading-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    align-items: start;
    flex-direction: column;
  }

  .volume-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .nav-item span {
    display: none;
  }
}

@media (max-width: 520px) {
  .auth-panel {
    padding: 20px;
  }

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

  .filter-field,
  .filter-bar input,
  .filter-bar select {
    width: 100%;
  }

  .detail-metrics {
    grid-template-columns: 1fr;
  }

  .alert-breakdown-row {
    grid-template-columns: 104px minmax(64px, 1fr) 36px;
  }
}