@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "DM Mono";
  src: url("fonts/dmmono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "DM Mono";
  src: url("fonts/dmmono-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f2f0e9;
  --paper-deep: #e8e5da;
  --ink: #17181a;
  --ink-soft: #55564f;
  --rule: #d3cfc0;
  --accent: #16663d;
  --warn: #7d5100;
  --crit: #9e2420;
  --sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "DM Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

.panel {
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px 32px 44px;
}

/* ---------------------------------------------------------------- head */

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--rule);
}

.ident h1 {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.ident p {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 1px;
}

.clock {
  display: flex;
  gap: 22px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.clock .k {
  color: var(--ink-soft);
}

.clock .v {
  color: var(--ink);
}

.notice {
  margin-top: 16px;
  padding: 10px 13px;
  border: 1px solid var(--crit);
  color: var(--crit);
  font-size: 13px;
}

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

.layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  align-items: start;
}

.channels {
  grid-column: 1;
  padding: 22px 30px 0 0;
  border-right: 1px solid var(--rule);
}

.trace {
  grid-column: 2;
  padding: 22px 0 0 30px;
}

.ledger {
  grid-column: 1;
  margin-top: 30px;
  padding: 22px 30px 0 0;
  border-right: 1px solid var(--rule);
  border-top: 1px solid var(--rule);
}

.channels-list {
  grid-column: 2;
  margin-top: 30px;
  padding: 22px 0 0 30px;
  border-top: 1px solid var(--rule);
}

.section-label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.045em;
  color: var(--ink);
}

.section-label .idx {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------------- channels */

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  column-gap: 12px;
  margin-top: 14px;
  padding: 14px 0 10px;
  border-top: 1px solid var(--rule);
}

.row-id {
  display: flex;
  align-items: baseline;
  gap: 9px;
  align-self: end;
}

.row-id .idx {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-soft);
}

.row-id h3 {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.reading {
  text-align: right;
  white-space: nowrap;
}

.num {
  font-family: var(--mono);
  font-size: 42px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
}

.unit {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-left: 3px;
}

.spark {
  grid-column: 1 / -1;
  display: block;
  width: 100%;
  height: 32px;
  margin-top: 12px;
  overflow: visible;
}

.spark path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.25;
  vector-effect: non-scaling-stroke;
  stroke-linejoin: round;
}

.row .span {
  grid-column: 1 / -1;
  margin-top: 7px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------- trace */

.trace-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.controls {
  display: flex;
  border: 1px solid var(--rule);
}

.tabs {
  display: flex;
}

.tabs button {
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  border-right: 1px solid var(--rule);
  background: transparent;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background-color 120ms linear, color 120ms linear;
}

.tabs button:last-child {
  border-right: 0;
}

.tabs button:hover {
  color: var(--ink);
  background: var(--paper-deep);
}

.tabs button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

.pause {
  min-height: 40px;
  padding: 0 14px;
  border: 0;
  border-left: 1px solid var(--rule);
  background: transparent;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background-color 120ms linear, color 120ms linear;
}

.pause:hover {
  color: var(--ink);
  background: var(--paper-deep);
}

.pause[aria-pressed="true"] {
  color: var(--ink);
  background: var(--paper-deep);
}

.pause[aria-pressed="true"]::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  background: var(--accent);
  vertical-align: 1px;
}

.chart {
  position: relative;
  margin-top: 16px;
}

#trace-svg {
  display: block;
  width: 100%;
  height: 300px;
  border-bottom: 1px solid var(--rule);
  touch-action: pan-y;
}

#trace-svg:focus-visible {
  outline-offset: 2px;
}

.grid line {
  stroke: var(--rule);
  stroke-width: 1;
}

.line {
  stroke-width: 1.4;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.line-cpu {
  stroke: var(--ink);
}

.line-temp {
  stroke: var(--accent);
  stroke-dasharray: 4 3;
}

#trace-axis-y text,
#trace-axis-y2 text,
#trace-axis-x text {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--ink-soft);
}

.cursor-line {
  stroke: var(--ink-soft);
  stroke-width: 1;
  stroke-dasharray: 2 3;
}

.cursor-dot {
  stroke: var(--paper);
  stroke-width: 1.5;
}

.dot-cpu {
  fill: var(--ink);
}

.dot-temp {
  fill: var(--accent);
}

.chart-empty {
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.chart-empty:not([hidden]) {
  display: flex;
}

.trace-read {
  min-height: 20px;
  margin-top: 9px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
}

.legend {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.sw {
  display: inline-block;
  width: 18px;
  height: 0;
  border-top-width: 1.4px;
  border-top-style: solid;
}

.sw-cpu {
  border-color: var(--ink);
}

.sw-temp {
  border-color: var(--accent);
  border-top-style: dashed;
}

.hint {
  margin-left: auto;
}

.axis-caption {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--ink-soft);
}

@media (hover: none) {
  .hint {
    display: none;
  }
}

/* ---------------------------------------------------------------- ledger */

.ledger-list {
  margin-top: 6px;
}

.ledger-list > div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}

.ledger-list > div:last-child {
  border-bottom: 0;
}

.ledger-list dt {
  font-size: 12.5px;
  color: var(--ink-soft);
}

.ledger-list dd {
  font-family: var(--mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.ledger-list .meter {
  grid-column: 1 / -1;
  height: 2px;
  background: var(--rule);
}

.ledger-list .meter span {
  display: block;
  height: 2px;
  width: 0;
  background: var(--accent);
  transition: width 240ms linear;
}

/* ---------------------------------------------------------------- services */

.services {
  margin-top: 6px;
  padding: 0;
  list-style: none;
}

.service {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  align-items: center;
  gap: 13px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}

.service:last-child {
  border-bottom: 0;
}

.mark {
  width: 9px;
  height: 9px;
  border: 1px solid var(--ink);
  background: transparent;
}

.service[data-state="up"] .mark {
  border-color: var(--accent);
  background: var(--accent);
}

.service[data-state="down"] .mark {
  border-color: var(--crit);
}

.service[data-state="down"] .name {
  color: var(--crit);
}

.service[data-state="down"] .age {
  color: var(--crit);
}

.service[data-state="unknown"] .mark {
  border-color: var(--warn);
}

.name {
  font-size: 13px;
}

.age {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.placeholder {
  display: block;
  font-size: 12.5px;
  color: var(--ink-soft);
  border-bottom: 0;
}

/* ---------------------------------------------------------------- footer */

.colophon {
  margin-top: 34px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-size: 11.5px;
  color: var(--ink-soft);
  max-width: 78ch;
}

.colophon p + p {
  margin-top: 6px;
}

.colophon code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink);
}

/* ---------------------------------------------------------------- small */

@media (max-width: 980px) {
  .panel {
    padding: 22px 20px 34px;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .channels,
  .trace,
  .ledger,
  .channels-list {
    grid-column: 1;
    padding: 20px 0 0;
    border-right: 0;
  }

  .trace {
    border-top: 1px solid var(--rule);
    margin-top: 26px;
  }

  .ledger,
  .channels-list {
    margin-top: 26px;
  }

  #trace-svg {
    height: 230px;
  }

  .num {
    font-size: 38px;
  }

  .clock {
    gap: 18px;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  .masthead {
    gap: 10px;
  }

  .clock {
    width: 100%;
    gap: 20px;
    font-size: 11.5px;
  }

  .trace-head {
    align-items: stretch;
  }

  .controls {
    width: 100%;
  }

  .tabs {
    flex: 1;
  }

  .tabs button {
    flex: 1;
    min-height: 44px;
    padding: 0 6px;
  }

  .pause {
    min-height: 44px;
    padding: 0 12px;
  }

  #trace-svg {
    height: 200px;
  }

  .num {
    font-size: 33px;
  }

  .hint {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}