:root {
  --bg: #e6e8ec;
  --rail: #171b1f;
  --rail-text: #d5d8dc;
  --rail-muted: #b4bac2;
  --rail-line: #2c333a;
  --rail-hover: #22282e;
  --surface: #ffffff;
  --ink: #14181c;
  --ink-2: #3e4650;
  --muted: #5c6570;
  --line: #d5d9e0;
  --line-strong: #c5cbd3;
  --accent: #0c5c64;
  --accent-bright: #2f9d93;
  --accent-soft: #e7f2f3;
  --good: #17693a;
  --bad: #9d1c1c;
  --bad-bg: #fdecec;
  --high: #8a3d05;
  --high-bg: #fdf1e6;
  --medium: #7a5b00;
  --medium-bg: #fbf6e4;
  --low: #3a4a63;
  --focus-light: #14181c;
  --focus-dark: #9ee8df;
  --bar: #5e6874;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
  --radius: 2px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.4;
}

h1,
h2,
h3,
p,
ul,
figure,
dl,
dd {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

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

button {
  cursor: pointer;
}

img,
svg {
  max-width: 100%;
}

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--focus-light);
  outline-offset: 2px;
}

::selection {
  background: #c5e4e6;
  color: var(--ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 8px;
  top: -40px;
  z-index: 20;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 8px 12px;
  text-decoration: none;
}

.skip:focus {
  top: 8px;
}

.num {
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
}

.mono {
  font-family: var(--mono);
  font-size: 12px;
}

.shell {
  display: grid;
  grid-template-columns: 184px minmax(0, 1fr);
  min-height: 100vh;
  align-items: start;
  max-width: 100%;
}

.column {
  min-width: 0;
}

.rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--rail);
  color: var(--rail-text);
  z-index: 5;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 12px;
  border-bottom: 1px solid var(--rail-line);
  color: #fff;
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: none;
  border: 1px solid var(--accent-bright);
  color: #d7f6f2;
  font-weight: 700;
  font-size: 14px;
}

.brand h1 {
  font-size: 15px;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand p {
  margin-top: 2px;
  color: var(--rail-muted);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rail-nav {
  display: flex;
  flex-direction: column;
  padding: 4px 0 12px;
}

.rail-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 8px 12px 8px 9px;
  border-left: 3px solid transparent;
  color: var(--rail-text);
  text-decoration: none;
  font-weight: 600;
}

.rail-nav a:hover {
  background: var(--rail-hover);
  color: #fff;
}

.rail-nav a[aria-current="location"] {
  background: var(--rail-hover);
  color: #fff;
  border-left-color: var(--accent-bright);
}

.rail a:focus-visible {
  outline-color: var(--focus-dark);
  outline-offset: -2px;
}

.count {
  min-width: 1.25rem;
  height: 1.15rem;
  padding: 0 4px;
  display: inline-grid;
  place-items: center;
  border: 1px solid #3d464e;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: #e7fffb;
}

.rail-foot {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--rail-line);
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--rail-muted);
  font-size: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 12px 20px;
  min-height: 52px;
  padding: 8px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.env-name {
  font-size: 13px;
  font-weight: 600;
}

.env-meta {
  color: var(--muted);
  font-size: 12px;
  font-family: var(--mono);
}

.health {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 28px;
  max-width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

@media (min-width: 801px) {
  .health {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: calc(100% - 280px);
    justify-content: center;
  }
}

.health-bad {
  color: var(--bad);
  background: var(--bad-bg);
  border-color: #e4b4b4;
}

.health-warn {
  color: var(--high);
  background: var(--high-bg);
  border-color: #efd0b4;
}

.health-watch {
  color: var(--medium);
  background: var(--medium-bg);
  border-color: #ead9a4;
}

.health-ok {
  color: var(--good);
  background: #e7f5ec;
  border-color: #b7dcc6;
}

.pip {
  width: 8px;
  height: 8px;
  background: currentColor;
  flex: none;
}

.health-label {
  font-weight: 700;
}

.health-detail {
  color: var(--ink-2);
  font-weight: 400;
}

.top-clock {
  margin-left: auto;
}

.top-clock time {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-variant-numeric: tabular-nums;
}

.clock-time,
#clock-time {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

#clock-date {
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

#workspace {
  padding: 16px 20px 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

#workspace:focus,
#workspace:focus-visible {
  outline: none;
}

section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  scroll-margin-top: 64px;
  min-width: 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

h2 {
  font-size: 12px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-head p {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
  min-width: 0;
  overflow-wrap: anywhere;
}

.panel,
.split,
.filters,
.field,
.metrics,
.metric,
.chart-layout,
.plot,
.bars,
.x-axis {
  min-width: 0;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line-strong);
}

.noscript {
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--surface);
  border: 1px solid var(--line-strong);
}

.metric {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "label change"
    "value value";
  gap: 4px 8px;
  padding: 10px 12px 12px;
  border-right: 1px solid var(--line);
  min-width: 0;
}

.metric:last-child {
  border-right: 0;
}

.metric-label {
  grid-area: label;
  align-self: end;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric-value {
  grid-area: value;
  font-size: 20px;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums lining-nums;
  white-space: nowrap;
}

.metric-change {
  grid-area: change;
  align-self: end;
  display: inline-flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.trend-good {
  color: var(--good);
}

.trend-bad {
  color: var(--bad);
}

.trend-neutral {
  color: var(--ink-2);
}

.chart-panel {
  padding-bottom: 0;
}

.chart-layout {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 8px;
  padding: 12px 12px 0;
}

.y-axis {
  height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: right;
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.plot {
  position: relative;
  min-width: 0;
}

.gridlines {
  position: absolute;
  inset: 0 0 auto 0;
  height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}

.gridlines i {
  display: block;
  border-top: 1px solid #e4e7ec;
  height: 0;
}

.bars {
  height: 160px;
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  align-items: end;
  gap: 2px;
  position: relative;
  z-index: 1;
  border-left: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--ink);
}

.bar-btn {
  display: block;
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  background: var(--bar);
  border-radius: 0;
}

.bar-btn.is-peak {
  background: var(--accent);
}

.bar-btn.is-active:not(.is-peak) {
  background: var(--ink);
}

.bar-btn:hover,
.bar-btn:focus-visible {
  background: var(--ink);
}

.bar-btn.is-peak:hover,
.bar-btn.is-peak:focus-visible,
.bar-btn.is-peak.is-active {
  background: var(--accent);
}

.bar-btn:focus-visible {
  outline-offset: 1px;
}

.x-axis {
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  gap: 2px;
  margin-top: 4px;
  min-height: 16px;
}

.x-axis span {
  text-align: center;
  font-size: 10px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  min-width: 0;
}

.x-axis span.on {
  color: var(--ink);
  font-weight: 700;
}

.readout {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  min-height: 32px;
  padding: 8px 12px 4px;
  font-variant-numeric: tabular-nums;
}

#readout-hour {
  font-family: var(--mono);
  font-size: 12px;
}

.readout-k {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

#readout-value {
  font-size: 16px;
  font-weight: 600;
}

#readout-note {
  color: var(--ink-2);
}

.readout-hint {
  margin-left: auto;
}

.quiet {
  color: var(--muted);
  font-size: 12px;
}

.chart-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 8px;
  border-top: 1px solid var(--line);
}

.chart-stats div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  padding: 8px 10px;
  border-right: 1px solid var(--line);
}

.chart-stats div:last-child {
  border-right: 0;
}

.chart-stats span {
  color: var(--muted);
  font-size: 12px;
}

.chart-stats strong {
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.filters {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 0.8fr)) auto;
  gap: 8px;
  align-items: end;
  padding: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.field input,
.field select,
.btn {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  font-size: 13px;
  color: var(--ink);
}

.field input,
.field select {
  width: 100%;
  min-width: 0;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.field input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.sort-label {
  display: none;
}

.btn {
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.btn:disabled {
  color: #8b939c;
  cursor: not-allowed;
}

.table-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 0 12px 8px;
  color: var(--muted);
  font-size: 12px;
}

.footnote {
  text-align: right;
}

.incidents {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.c-sev { width: 14%; }
.c-id { width: 12%; }
.c-title { width: 22%; }
.c-service { width: 15%; }
.c-age { width: 10%; }
.c-owner { width: 13%; }
.c-status { width: 14%; }

.incidents th {
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-strong);
  background: #f3f4f6;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  vertical-align: bottom;
}

.incidents th.num,
.incidents td.num {
  text-align: right;
}

.incidents th button {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 600;
  letter-spacing: inherit;
  text-transform: inherit;
  text-align: left;
}

.incidents th.num button {
  width: 100%;
  justify-content: flex-end;
}

.incidents th button:hover {
  color: var(--ink);
}

.incidents td {
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  vertical-align: middle;
  overflow-wrap: break-word;
}

.incidents tbody tr[data-id] {
  cursor: pointer;
}

.incidents tbody tr[data-id]:hover {
  background: #f3f5f7;
}

.incidents tbody tr[aria-selected="true"] {
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}

.incidents tbody tr:focus-visible {
  outline-offset: -2px;
}

.cell-label {
  display: none;
}

.sev {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  white-space: nowrap;
}

.sev .mark {
  width: 0.9em;
  flex: none;
  font-size: 10px;
  line-height: 1;
  text-align: center;
}

.sev-critical { color: var(--bad); }
.sev-high { color: var(--high); }
.sev-medium { color: var(--medium); }
.sev-low { color: var(--low); }

.st {
  font-weight: 600;
}

.st-open { color: var(--ink); }
.st-investigating { color: var(--high); }
.st-monitoring { color: var(--accent); }
.st-acknowledged { color: var(--good); }

.owner-none {
  color: var(--high);
  font-weight: 600;
}

.empty-cell {
  padding: 20px 12px;
  text-align: left;
  cursor: default;
}

.empty-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.empty-copy {
  margin: 4px 0 10px;
  color: var(--ink-2);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
  align-items: start;
}

.detail {
  padding: 12px;
}

.kicker {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-id {
  margin-top: 8px;
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 12px;
}

.detail h3 {
  margin-top: 4px;
  font-size: 16px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
  overflow-wrap: break-word;
}

.guidance {
  margin-top: 8px;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.45;
}

.facts {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 6px 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.facts dt {
  color: var(--muted);
  font-size: 12px;
}

.facts dd {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  min-width: 0;
  overflow-wrap: anywhere;
}

.ack {
  width: 100%;
  height: 36px;
  margin-top: 14px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.ack:hover {
  background: #09484e;
  border-color: #09484e;
  color: #fff;
}

.ack.is-on,
.ack.is-on:hover {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--accent);
}

.ack:focus-visible {
  outline-color: var(--focus-light);
}

.hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

@media (max-width: 1100px) {
  .split {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .search,
  .reset {
    grid-column: 1 / -1;
  }
}

@media (max-width: 800px) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .rail {
    position: sticky;
    top: 0;
    height: auto;
    min-height: 0;
    flex-direction: row;
    align-items: stretch;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
  }

  .brand {
    min-height: 0;
    padding: 8px;
    border-bottom: 0;
  }

  .brand p,
  .rail-foot {
    display: none;
  }

  .rail-nav {
    flex-direction: row;
    align-items: stretch;
    padding: 0;
    min-width: 0;
  }

  .rail-nav li {
    display: flex;
  }

  .rail-nav a {
    width: auto;
    justify-content: flex-start;
    padding: 10px 6px;
    border-left: 0;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
  }

  .rail-nav a[aria-current="location"] {
    border-left-color: transparent;
    border-bottom-color: var(--accent-bright);
  }

  .topbar {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
  }

  .health {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .top-clock {
    margin-left: 0;
  }

  #workspace {
    padding: 12px;
    gap: 16px;
  }

  .section-head {
    flex-wrap: wrap;
  }

  .section-head p {
    text-align: left;
  }

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

  .metric {
    grid-template-areas:
      "label label"
      "value value"
      "change change";
  }

  .metric:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .metric:nth-child(even) {
    border-right: 0;
  }

  .metric:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .metric-change {
    justify-content: flex-start;
  }

  .metric-value {
    font-size: 18px;
  }

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

  .chart-stats div:nth-child(2) {
    border-right: 0;
  }

  .chart-stats div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .readout-hint {
    margin-left: 0;
  }

  .filters {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "search search"
      "sev status"
      "svc sort"
      "reset reset";
  }

  .search { grid-area: search; }
  .sev-field { grid-area: sev; }
  .status-field { grid-area: status; }
  .svc-field { grid-area: svc; }
  .sort-label {
    display: flex;
    grid-area: sort;
  }
  .reset { grid-area: reset; }

  .field input,
  .field select,
  .btn,
  .ack {
    height: 44px;
    font-size: 16px;
  }

  .ack {
    font-size: 15px;
  }

  .table-meta {
    flex-direction: column;
  }

  .footnote {
    text-align: left;
  }

  .incidents {
    display: block;
    padding: 0 12px 12px;
  }

  .incidents thead {
    display: none;
  }

  .incidents tbody {
    display: grid;
    gap: 8px;
  }

  .incidents tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px 12px;
    padding: 10px;
    border: 1px solid var(--line);
    background: var(--surface);
  }

  .incidents td {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 0;
    border: 0;
    text-align: left;
    min-width: 0;
  }

  .incidents td.num {
    text-align: left;
  }

  .cell-label {
    display: block;
    color: var(--muted);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .col-sev,
  .col-title,
  .col-owner,
  .empty-cell {
    grid-column: 1 / -1;
  }

  .col-sev { order: 1; }
  .col-title { order: 2; }
  .col-id { order: 3; }
  .col-age { order: 4; }
  .col-service { order: 5; }
  .col-status { order: 6; }
  .col-owner { order: 7; }

  .incidents tbody tr:focus-visible {
    outline-offset: 2px;
  }

  .sev {
    white-space: normal;
  }
}

@media (max-width: 420px) {
  .x-axis span.minor {
    visibility: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: #6d7580;
    --line-strong: #14181c;
    --muted: #3e4650;
    --bar: #3e4650;
  }
}

@media (forced-colors: active) {
  .bar-btn,
  .pip,
  .brand-mark,
  .count,
  .health,
  .ack {
    forced-color-adjust: none;
  }

  .bar-btn {
    background: ButtonText;
  }

  .bar-btn.is-peak,
  .bar-btn.is-active {
    background: Highlight;
  }

  .ack {
    background: ButtonText;
    color: ButtonFace;
    border-color: ButtonText;
  }

  .ack.is-on {
    background: ButtonFace;
    color: ButtonText;
  }
}