@font-face {
  font-family: "Barlow Instrument";
  src: url("assets/BarlowCondensed-SemiBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ground: #101314;
  --rack: #1a1f21;
  --panel: #202628;
  --panel-deep: #151a1c;
  --line: #3c4749;
  --line-soft: #2d3638;
  --ink: #e3eae7;
  --muted: #a1afaa;
  --cyan: #65c9c3;
  --cyan-dark: #193c3b;
  --amber: #f0b44d;
  --red: #ed6a5e;
  --green: #75c99a;
  --display: "Barlow Instrument", sans-serif;
  --data: Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { background: var(--ground); scrollbar-color: var(--line) var(--panel-deep); }
body {
  margin: 0;
  min-width: 320px;
  background: var(--ground);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  accent-color: var(--cyan);
}
button, input, select { font: inherit; }
button, select, input[type="range"] { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .48; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
::selection { color: #101314; background: var(--cyan); }
[hidden] { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
svg { display: block; }
button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.topbar {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 10px clamp(16px, 3vw, 44px);
  border-bottom: 1px solid var(--line);
  background: #171b1d;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 6px 18px #0006;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand span { font: 600 32px/1 var(--display); letter-spacing: .08em; }
.brand-mark { width: 34px; height: 34px; fill: none; stroke: var(--cyan); stroke-width: 2.3; }
.endpoint { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.endpoint-host { padding-left: 9px; border-left: 1px solid var(--line); font-family: var(--data); font-size: 12px; }
.status-lamp { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 8px #f0b44d55; }
.status-lamp.healthy { background: var(--green); box-shadow: 0 0 8px #75c99a55; }
.status-lamp.degraded { background: var(--red); box-shadow: 0 0 8px #ed6a5e55; }
.topbar-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.refresh-time { color: var(--muted); font: 11px var(--data); }
.icon-button, .text-button, .secondary-button {
  border: 1px solid var(--line);
  background: #242b2d;
  color: var(--ink);
  border-radius: 4px;
  min-height: 38px;
}
.icon-button { display: inline-grid; place-items: center; width: 38px; padding: 0; }
.text-button { display: flex; align-items: center; gap: 8px; padding: 7px 12px; }
.icon-button:hover, .text-button:hover, .secondary-button:hover { background: #303a3c; border-color: #657275; }
.primary-button {
  min-height: 42px;
  padding: 9px 18px;
  border: 1px solid #89ddd7;
  border-radius: 4px;
  background: var(--cyan);
  color: #102220;
  font-weight: 700;
  box-shadow: 0 3px 10px #0005;
}
.primary-button:hover:not(:disabled) { background: #83d8d2; }
.secondary-button { padding: 9px 18px; }

.login-panel { min-height: calc(100vh - 68px); display: grid; place-items: center; padding: 24px; }
.login-instrument {
  position: relative;
  width: min(560px, 100%);
  padding: clamp(32px, 7vw, 68px);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  box-shadow: 0 20px 60px #0008, inset 0 1px #ffffff0a;
  text-align: center;
}
.login-instrument h1 { margin: 0 0 14px; font: 600 clamp(42px, 8vw, 64px)/1 var(--display); letter-spacing: .01em; }
.login-instrument p { max-width: 48ch; margin: 0 auto 28px; color: var(--muted); }
.login-note { margin: 18px auto 0 !important; font-size: 12px; }

.console { max-width: 1920px; margin: 0 auto; padding: 22px clamp(12px, 2vw, 30px) 40px; }
.status-strip {
  display: grid;
  grid-template-columns: minmax(170px, 1.5fr) repeat(6, minmax(105px, 1fr));
  border: 1px solid var(--line);
  background: var(--rack);
  box-shadow: 0 8px 24px #0005;
  margin-bottom: 18px;
}
.service-state, .strip-reading { padding: 14px 18px; border-right: 1px solid var(--line); }
.status-strip > :last-child { border-right: 0; }
.section-label, .strip-reading span, .cost-reading span, .measurement span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.service-state strong { display: block; margin-top: 2px; font: 600 27px/1.1 var(--display); color: var(--amber); }
.service-state strong.healthy { color: var(--green); }
.service-state strong.degraded { color: var(--red); }
.strip-reading strong { display: block; margin-top: 6px; font: 500 18px var(--data); font-variant-numeric: tabular-nums; }
.error-banner { margin-bottom: 18px; padding: 12px 16px; border: 1px solid var(--red); background: #3b2322; color: #ffc6c0; }

.instrument-grid { display: grid; grid-template-columns: minmax(260px, .85fr) minmax(520px, 1.8fr) minmax(270px, .9fr); gap: 18px; align-items: start; }
.rack-panel {
  position: relative;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel);
  box-shadow: 0 12px 26px #0005, inset 0 1px #ffffff08;
}
.instrument-screw { position: absolute; top: 9px; right: 9px; width: 6px; height: 6px; border-radius: 50%; background: #697477; box-shadow: inset 1px 1px 1px #aab2b4, inset -1px -1px 1px #15191a; }
.panel-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 20px; padding-right: 8px; }
.panel-header h2 { margin: 0; font: 600 29px/1.1 var(--display); letter-spacing: .015em; }
.panel-header h3 { font-size: 14px; }
.panel-header p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.panel-code { padding: 3px 7px; border: 1px solid var(--line); color: var(--muted); font: 11px var(--data); }

.server-rack { display: grid; gap: 6px; padding: 10px; border: 1px solid #0d1112; background: #111617; box-shadow: inset 0 3px 12px #0008; }
.server-slot { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto 8px; align-items: center; gap: 10px; min-height: 40px; padding: 7px 10px; border: 1px solid var(--line-soft); background: #242b2d; }
.server-slot.empty { background: #181d1f; }
.server-slot .slot-number { color: var(--muted); font: 12px var(--data); }
.server-slot .server-id { overflow: hidden; text-overflow: ellipsis; font: 11px var(--data); white-space: nowrap; }
.server-slot .server-state { color: var(--muted); font-size: 11px; }
.socket-lamp { width: 8px; height: 8px; border-radius: 50%; background: #586163; }
.socket-lamp.healthy { background: var(--green); box-shadow: 0 0 7px #75c99a66; }
.socket-lamp.pending { background: var(--amber); }
.socket-lamp.failed { background: var(--red); }
.instance-ledger { margin-top: 22px; }
.instance-ledger h3, .scaling-form h3, .actual-costs h3 { margin: 0 0 10px; font: 600 20px var(--display); }
.ledger-rows { display: grid; gap: 7px; color: var(--muted); font-size: 11px; }
.ledger-row { display: flex; justify-content: space-between; gap: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--line-soft); }
.ledger-row span:first-child { font-family: var(--data); }
.scaling-form { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); }
.scaling-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.scaling-heading span { color: var(--muted); font-size: 11px; }
.range-control { display: block; margin: 16px 0; }
.range-control > span { display: flex; justify-content: space-between; color: var(--muted); }
.range-control output { color: var(--ink); font: 600 16px var(--data); }
.range-control input { width: 100%; margin-top: 10px; }
input[type="range"] { appearance: none; height: 4px; border-radius: 0; background: #0e1314; border: 1px solid var(--line); }
input[type="range"]::-webkit-slider-thumb { appearance: none; width: 18px; height: 24px; border: 1px solid #9aabad; border-radius: 3px; background: #526164; box-shadow: 0 3px 7px #0008; }
input[type="range"]::-moz-range-thumb { width: 18px; height: 24px; border: 1px solid #9aabad; border-radius: 3px; background: #526164; box-shadow: 0 3px 7px #0008; }
.cost-projection { display: flex; justify-content: space-between; gap: 10px; margin: 18px 0; color: var(--muted); }
.cost-projection strong { color: var(--amber); font: 500 14px var(--data); }
.scaling-form .primary-button { width: 100%; }
.control-note { margin: 10px 0 0; color: var(--muted); font-size: 11px; }

.window-control { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; }
select, input[type="search"] { min-height: 36px; border: 1px solid var(--line); border-radius: 3px; background: var(--panel-deep); color: var(--ink); padding: 6px 9px; }
input::placeholder { color: #a1afaa; opacity: 1; }
.table-hint { display: none; margin: -8px 0 12px; color: var(--muted); font-size: 11px; }
.scope-chart[data-compact="true"] .chart-label { font-size: 14px; }
.measurement-bank { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); margin-bottom: 20px; }
.measurement { min-width: 0; padding: 12px; border-right: 1px solid var(--line); }
.measurement:last-child { border-right: 0; }
.measurement strong { display: block; margin: 5px 0 2px; font: 500 clamp(17px, 2vw, 23px) var(--data); font-variant-numeric: tabular-nums; }
.measurement small { display: block; color: var(--muted); font-size: 10px; }
.scope-figure { margin: 0 0 18px; }
.scope-figure:last-child { margin-bottom: 0; }
.scope-figure figcaption { display: flex; justify-content: space-between; margin-bottom: 8px; color: var(--ink); font-weight: 600; }
.trace-key { color: var(--cyan); font: 11px var(--data); }
.trace-key.amber { color: var(--amber); }
.scope-chart { width: 100%; height: auto; border: 1px solid #334142; background-color: #12191a; background-image: linear-gradient(#263334 1px, transparent 1px), linear-gradient(90deg, #263334 1px, transparent 1px); background-size: 100% 42px, 72px 100%; }
.chart-line { fill: none; stroke: var(--cyan); stroke-width: 2; vector-effect: non-scaling-stroke; }
.chart-line.amber { stroke: var(--amber); }
.chart-area { fill: #65c9c314; }
.chart-label { fill: #a1afaa; font: 11px var(--data); }
.chart-empty { fill: #a1afaa; font: 14px "Segoe UI", sans-serif; }

.cost-reading { padding: 16px 0 20px; border-bottom: 1px solid var(--line); }
.cost-reading strong { display: block; margin: 6px 0; color: var(--amber); font: 500 clamp(30px, 4vw, 42px) var(--data); font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.cost-reading small { color: var(--muted); }
.cost-lines { display: grid; gap: 11px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cost-line { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 12px; }
.cost-line strong { color: var(--ink); font: 500 12px var(--data); white-space: nowrap; }
.actual-costs { padding-top: 18px; }
.cost-disclaimer { margin: 18px 0 0; color: var(--muted); font-size: 11px; }

.errors-panel { grid-column: 1 / 3; }
.request-search { display: flex; gap: 6px; }
.request-search input { width: 180px; font-family: var(--data); font-size: 12px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th { padding: 9px 12px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }
td { padding: 11px 12px; border-bottom: 1px solid var(--line-soft); font-size: 12px; white-space: nowrap; }
td:first-child, td:nth-child(2), td:nth-child(6) { font-family: var(--data); font-variant-numeric: tabular-nums; }
td:nth-child(2) button { padding: 0; border: 0; background: none; color: var(--cyan); font: inherit; text-decoration: underline; text-underline-offset: 3px; }
.status-code { display: inline-block; min-width: 38px; text-align: center; padding: 2px 5px; border: 1px solid #71514e; color: #ffaaa2; font-family: var(--data); }
.empty-state { padding: 26px 12px; color: var(--muted); text-align: center; }
.activity-panel { grid-column: 3; }
.activity-list { display: grid; gap: 0; }
.activity-item { padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
.activity-item:last-child { border-bottom: 0; }
.activity-item strong { display: block; color: var(--green); font-size: 12px; }
.activity-item.pending strong { color: var(--amber); }
.activity-item p { margin: 4px 0; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.activity-item time { color: var(--muted); font: 10px var(--data); }

.scaling-dialog { width: min(500px, calc(100% - 32px)); padding: 28px; border: 1px solid #687679; border-radius: 5px; background: var(--panel); color: var(--ink); box-shadow: 0 30px 90px #000c; }
.scaling-dialog::backdrop { background: #080b0bdd; }
.scaling-dialog h2 { margin: 0 0 12px; font: 600 32px var(--display); }
.scaling-dialog p { color: var(--muted); }
.change-comparison { margin: 22px 0; }
.change-comparison div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.change-comparison dt { color: var(--muted); }
.change-comparison dd { margin: 0; font-family: var(--data); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 20; max-width: min(440px, calc(100% - 48px)); padding: 13px 18px; border: 1px solid var(--cyan); background: #17302e; color: #c9fffa; box-shadow: 0 12px 30px #0008; }
.toast.error { border-color: var(--red); background: #3b2322; color: #ffc6c0; }
.noscript { margin: 40px; color: var(--red); }

@media (max-width: 1250px) {
  .status-strip { grid-template-columns: repeat(4, 1fr); }
  .service-state { grid-column: span 2; }
  .status-strip > :nth-child(4) { border-right: 0; }
  .status-strip > :nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .instrument-grid { grid-template-columns: minmax(250px, .8fr) minmax(500px, 1.7fr); }
  .cost-panel { grid-column: 1; grid-row: 2; }
  .errors-panel { grid-column: 2; grid-row: 2; }
  .activity-panel { grid-column: 1 / -1; }
}

@media (max-width: 850px) {
  .topbar { gap: 14px; flex-wrap: wrap; }
  .endpoint-host, .refresh-time { display: none; }
  .status-strip { grid-template-columns: repeat(2, 1fr); }
  .service-state { grid-column: span 2; }
  .status-strip > :nth-child(even) { border-right: 0; }
  .status-strip > :nth-child(-n+6) { border-bottom: 1px solid var(--line); }
  .instrument-grid { grid-template-columns: 1fr; }
  .fleet-panel, .signal-panel, .cost-panel, .errors-panel, .activity-panel { grid-column: 1; grid-row: auto; }
  .signal-panel { grid-row: 1; }
  .fleet-panel { grid-row: 2; }
  .cost-panel { grid-row: 3; }
  .measurement-bank { grid-template-columns: repeat(2, 1fr); }
  .measurement:nth-child(2) { border-right: 0; }
  .measurement:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .table-hint { display: block; }
}

@media (max-width: 520px) {
  .topbar { padding: 10px 14px; }
  .brand span { font-size: 28px; }
  .endpoint { font-size: 12px; }
  .text-button { font-size: 0; gap: 0; width: 38px; padding: 0; justify-content: center; }
  .console { padding: 12px 8px 28px; }
  .strip-reading, .service-state { padding: 12px; }
  .strip-reading strong { font-size: 15px; }
  .rack-panel { padding: 16px 12px; }
  .panel-header { flex-wrap: wrap; }
  .request-search { width: 100%; }
  .request-search input { flex: 1; width: auto; }
  .measurement { padding: 10px 8px; }
  .measurement strong { font-size: 17px; }
  .dialog-actions { flex-direction: column-reverse; }
  .dialog-actions button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}