/* Private Compute Systems console.
   Same identity as privatecomputesystems.com (IBM Plex, aqua, signal amber, datasheet details),
   dark by default, and the main site's paper palette when the OS asks for light. */

:root {
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --bg: #090d0f;
  --bg-elev: #0f1519;
  --bg-subtle: #141c21;
  --bg-raise: #19232a;
  --text: #e5ebe9;
  --text-muted: #8b9b97;
  --border: #212c32;
  --border-strong: #33434b;
  --primary: #2fd3d8;
  --primary-ink: #04181a;
  --primary-text: #04181a;
  --primary-dim: rgba(47, 211, 216, 0.14);
  --signal: #f2b632;
  --grid: rgba(120, 160, 170, 0.07);

  --success-bg: rgba(79, 224, 168, 0.12);
  --success-text: #4fe0a8;
  --warn-bg: rgba(242, 182, 50, 0.12);
  --warn-border: rgba(242, 182, 50, 0.38);
  --warn-text: #f2b632;
  --danger-bg: rgba(255, 125, 112, 0.12);
  --danger-border: rgba(255, 125, 112, 0.38);
  --danger-text: #ff7d70;
  --neutral-bg: rgba(139, 155, 151, 0.14);
  --neutral-text: #a9b8b4;
  --code-bg: #0b1114;
  --log-bg: #060909;
  --log-text: #d7dfdc;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #e9eae7;
    --bg-elev: #f3f4f1;
    --bg-subtle: #dfe1dd;
    --bg-raise: #d6d9d4;
    --text: #101416;
    --text-muted: #5a6360;
    --border: #c6cac5;
    --border-strong: #a9afa9;
    --primary: #00767a;
    --primary-ink: #ffffff;
    --primary-text: #ffffff;
    --primary-dim: rgba(0, 118, 122, 0.1);
    --signal: #c98a00;
    --grid: rgba(16, 20, 22, 0.05);

    --success-bg: rgba(11, 107, 74, 0.12);
    --success-text: #0b6b4a;
    --warn-bg: rgba(201, 138, 0, 0.14);
    --warn-border: rgba(201, 138, 0, 0.45);
    --warn-text: #8a5c00;
    --danger-bg: rgba(179, 54, 42, 0.1);
    --danger-border: rgba(179, 54, 42, 0.4);
    --danger-text: #a52f23;
    --neutral-bg: rgba(90, 99, 96, 0.14);
    --neutral-text: #4a5350;
    --code-bg: #dfe1dd;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 var(--font-sans);
  font-variant-numeric: tabular-nums;
}
::selection { background: var(--primary); color: var(--primary-ink); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
a { color: var(--primary); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 100vh; }
.rail {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 26px;
  padding: 22px 16px 18px;
  border-right: 1px solid var(--border);
  background: var(--bg-elev);
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); }
.brand svg { flex: none; }
.brand-name { font: 500 13px/1.15 var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase; }
.brand-name small { display: block; color: var(--text-muted); font-size: 10.5px; letter-spacing: 0.14em; margin-top: 3px; }

.rail nav { display: flex; flex-direction: column; gap: 2px; }
.rail nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 3px;
  color: var(--text-muted); text-decoration: none;
  font-size: 14px; font-weight: 500;
  border-left: 2px solid transparent;
}
.rail nav a svg { width: 16px; height: 16px; flex: none; opacity: 0.85; }
.rail nav a:hover { color: var(--text); background: var(--bg-subtle); }
.rail nav a.active { color: var(--text); background: var(--primary-dim); border-left-color: var(--primary); }
.rail nav a.active svg { color: var(--primary); opacity: 1; }
.rail-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }

.wallet-chip {
  display: block; text-decoration: none; color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 3px; padding: 10px 12px;
  background: var(--bg-subtle);
}
.wallet-chip:hover { border-color: var(--primary); }
.wallet-chip .k { font: 500 10px var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); }
.wallet-chip .v { font: 500 20px/1.25 var(--font-sans); letter-spacing: -0.01em; }
.wallet-chip .v small { font: 400 11px var(--font-mono); color: var(--text-muted); margin-left: 4px; }
.who { font: 400 12px var(--font-mono); color: var(--text-muted); word-break: break-all; }
.rail-foot form { margin: 0; }
.rail-foot button { width: 100%; }

.stage { position: relative; min-width: 0; }
.stage::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 420px; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(#000 0%, transparent 100%);
  mask-image: linear-gradient(#000 0%, transparent 100%);
}
main { position: relative; max-width: 1140px; margin: 0 auto; padding: 34px 34px 80px; }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--font-sans); letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
h1 { font-size: 34px; line-height: 1.12; font-weight: 300; }
h2 { font-size: 20px; font-weight: 500; margin: 34px 0 12px; }
h3 { font-size: 15px; font-weight: 600; margin: 0 0 8px; }
.eyebrow, .card-title, .metric-label, .label {
  font: 500 10.5px var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted);
}
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; }
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--primary); }
.page-header { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 14px; margin-bottom: 26px; }
.back-link { color: var(--text-muted); text-decoration: none; font: 400 12px var(--font-mono); }
.back-link:hover { color: var(--text); }
.subtitle { color: var(--text-muted); margin: 0 0 16px; font-size: 14px; max-width: 70ch; }
.lede { color: var(--text-muted); font-size: 16px; max-width: 62ch; margin: 10px 0 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: var(--font-mono); }

/* ---------- cards ---------- */
.card, .specs-card, .metrics-card {
  position: relative;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 3px;
  padding: 20px; margin-bottom: 18px;
}
.card::before, .card::after { content: ""; position: absolute; width: 9px; height: 9px; border: 1px solid var(--primary); pointer-events: none; }
.card::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.card::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.card-title { margin: 0 0 12px; }

/* ---------- tables ---------- */
.tablewrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; }
table.table th, table.table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
table.table th { font: 500 10.5px var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); white-space: nowrap; }
table.table tr:last-child td { border-bottom: none; }
table.table th.num, table.table td.num { text-align: right; }
table.table-key-value td:first-child { color: var(--text-muted); width: 40%; }
table.table-compact th, table.table-compact td { padding: 6px 9px; font-size: 13px; }

/* ---------- badges, LEDs ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  font: 500 10.5px var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 9px 3px 8px; border-radius: 2px;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 6px currentColor; }
.badge-running, .badge-active, .badge-credited, .badge-paid, .badge-online, .badge-available { background: var(--success-bg); color: var(--success-text); }
.badge-paused, .badge-grace, .badge-unmatched, .badge-open, .badge-limited, .badge-quoted, .badge-maintenance { background: var(--warn-bg); color: var(--warn-text); }
.badge-failed, .badge-locked, .badge-suspended { background: var(--danger-bg); color: var(--danger-text); }
.badge-stopped, .badge-pending, .badge-canceled, .badge-ignored, .badge-expired, .badge-on_request, .badge-coming_soon, .badge-new, .badge-closed { background: var(--neutral-bg); color: var(--neutral-text); }
.led { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 9px currentColor; }
.led.ok { color: var(--success-text); animation: pulse 2.6s ease-in-out infinite; }
.led.warn { color: var(--warn-text); }
.led.crit { color: var(--danger-text); }
@keyframes pulse { 50% { opacity: 0.45; } }

/* ---------- buttons, forms ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 500 13px var(--font-sans); letter-spacing: 0.01em;
  padding: 8px 15px; border-radius: 3px; cursor: pointer; text-decoration: none;
  background: transparent; color: var(--text); border: 1px solid var(--border-strong);
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); font-weight: 600; }
.btn-primary:hover { color: var(--primary-ink); filter: brightness(1.08); box-shadow: 0 0 0 3px var(--primary-dim); }
.btn-warn { background: var(--warn-bg); border-color: var(--warn-border); color: var(--warn-text); }
.btn-warn:hover { color: var(--warn-text); border-color: var(--warn-text); }
.btn-danger { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger-text); }
.btn-danger:hover { color: var(--danger-text); border-color: var(--danger-text); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-muted); font-size: 12px; }
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.action-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

form p { margin: 12px 0; }
label { display: block; font-size: 13px; color: var(--text-muted); }
input, textarea, select {
  display: block; width: 100%; margin-top: 6px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 3px;
  padding: 9px 11px; font: 400 14px var(--font-sans);
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-dim); }
input[type=checkbox] { display: inline; width: auto; margin: 0 6px 0 0; }
textarea { font-family: var(--font-mono); min-height: 84px; }
::placeholder { color: var(--text-muted); opacity: 0.7; }

code, pre, .ssh-box {
  font: 400 13px var(--font-mono); background: var(--code-bg);
  border: 1px solid var(--border); border-radius: 3px;
}
code { padding: 1px 6px; }
pre { padding: 12px; overflow-x: auto; }
.ssh-box { padding: 11px 13px; word-break: break-all; margin: 6px 0; }

.notice {
  padding: 11px 14px; border-radius: 3px; margin: 0 0 18px; font-size: 14px;
  background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--text);
}
.notice-error { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger-text); }
.notice-ok { background: var(--success-bg); border-color: var(--success-text); color: var(--success-text); }

/* ---------- stat strip ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 3px; margin-bottom: 22px; overflow: hidden; }
.stat { background: var(--bg-elev); padding: 14px 16px; }
.stat .v { font: 300 28px/1.15 var(--font-sans); letter-spacing: -0.02em; margin-top: 4px; }
.stat .v small { font: 400 12px var(--font-mono); color: var(--text-muted); margin-left: 5px; letter-spacing: 0; }
.stat .s { font: 400 12px var(--font-mono); color: var(--text-muted); margin-top: 2px; }

/* ---------- server cards ---------- */
.server { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 26px; }
.chassis { display: flex; flex-direction: column; gap: 12px; }
.chassis svg { width: 100%; height: auto; display: block; color: var(--border-strong); }
.chassis .name { font: 300 30px/1 var(--font-sans); letter-spacing: -0.02em; color: var(--text); }
.server-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.spec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 2px; overflow: hidden; }
.spec { background: var(--bg-elev); padding: 11px 13px; }
.spec .k { font: 500 10px var(--font-mono); letter-spacing: 0.13em; text-transform: uppercase; color: var(--text-muted); }
.spec .v { font: 500 17px/1.3 var(--font-sans); margin-top: 2px; letter-spacing: -0.01em; }
.spec .v small { font: 400 11px var(--font-mono); color: var(--text-muted); margin-left: 4px; }
.spec.hero { background: var(--primary-dim); }
.spec.hero .v { color: var(--primary); font-size: 22px; font-weight: 600; }
.connect { margin-top: 16px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.connect .ssh-box { flex: 1; min-width: 260px; margin: 0; }

/* ---------- marketplace ---------- */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 20px; }
.chip { font: 500 12px var(--font-mono); letter-spacing: 0.04em; padding: 6px 12px; border: 1px solid var(--border-strong); border-radius: 2px; color: var(--text-muted); text-decoration: none; }
.chip:hover { color: var(--text); border-color: var(--text-muted); }
.chip.on { color: var(--primary-ink); background: var(--primary); border-color: var(--primary); }
.offers { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 18px; }
.offers .card { margin: 0; display: flex; flex-direction: column; gap: 14px; }
.offer-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.tag { font: 500 10px var(--font-mono); letter-spacing: 0.13em; text-transform: uppercase; padding: 3px 7px; border: 1px solid var(--primary); color: var(--primary); border-radius: 2px; }
.tag.partner { border-color: var(--signal); color: var(--signal); }
.offer h3 { font: 400 22px/1.15 var(--font-sans); letter-spacing: -0.015em; margin: 0; }
.offer .blurb { color: var(--text-muted); font-size: 13.5px; margin: 0; }
.offer .specs { font: 400 12.5px/1.7 var(--font-mono); color: var(--text-muted); margin: 0; }
.offer .specs b { color: var(--text); font-weight: 500; }
.offer .price { display: flex; align-items: baseline; gap: 6px; margin-top: auto; padding-top: 6px; border-top: 1px dashed var(--border-strong); }
.offer .price .big { font: 300 32px/1 var(--font-sans); letter-spacing: -0.02em; }
.offer .price .per { font: 400 12px var(--font-mono); color: var(--text-muted); }
.offer .price .alt { margin-left: auto; font: 400 12px var(--font-mono); color: var(--text-muted); }
.offer form { margin: 0; }
.offer form p { margin: 0 0 8px; }
.fineprint { font: 400 12px/1.6 var(--font-mono); color: var(--text-muted); max-width: 90ch; }

/* ---------- login ---------- */
.login-page { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.login-art {
  position: relative; padding: 44px; display: flex; flex-direction: column; justify-content: space-between;
  background-color: var(--bg-elev); border-right: 1px solid var(--border); overflow: hidden;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
}
.login-art h1 { font-size: clamp(34px, 4.2vw, 56px); max-width: 14ch; margin-top: 26px; }
.login-art .datum { font: 400 12px/1.9 var(--font-mono); color: var(--text-muted); }
.login-art .datum b { color: var(--primary); font-weight: 500; }
.login-form { display: flex; align-items: center; justify-content: center; padding: 40px 28px; }
.login-card { width: 100%; max-width: 360px; }
.login-card h2 { font-size: 24px; font-weight: 300; margin: 0 0 18px; }

/* ---------- legacy zenith pieces ---------- */
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; }
.metric-tile { padding: 8px 4px; }
.metric-value { font: 400 20px var(--font-sans); margin-top: 2px; }
.metric-sub { font: 400 12px var(--font-mono); color: var(--text-muted); margin-top: 2px; }
.metric-bar { height: 4px; background: var(--bg-subtle); border-radius: 2px; margin-top: 8px; overflow: hidden; }
.metric-bar > div { height: 100%; background: var(--primary); transition: width 0.5s ease; }
.metric-procs { margin-top: 14px; }
.metric-paused-msg { color: var(--text-muted); font-style: italic; text-align: center; padding: 24px; }
.log-controls { display: flex; gap: 16px; align-items: center; font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.log-controls input[type=number] { width: 80px; display: inline-block; margin: 0; }
pre.log-pane { background: var(--log-bg); color: var(--log-text); padding: 14px; border-radius: 3px; max-height: 520px; overflow: auto; border: 1px solid var(--border); }
.form-two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
.form-summary { background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 3px; padding: 14px; }
.form-summary h3 { margin-top: 0; }

/* ---------- small screens ---------- */
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .rail {
    position: static; height: auto; flex-direction: row; align-items: center; flex-wrap: wrap;
    gap: 10px 14px; padding: 12px 14px; border-right: 0; border-bottom: 1px solid var(--border);
  }
  .rail nav { flex-direction: row; flex-wrap: wrap; gap: 2px; order: 3; width: 100%; }
  .rail nav a { border-left: 0; border-bottom: 2px solid transparent; padding: 7px 10px; }
  .rail nav a.active { border-bottom-color: var(--primary); }
  .rail-foot { margin-top: 0; margin-left: auto; flex-direction: row; align-items: center; gap: 10px; }
  .rail-foot .who { display: none; }
  .rail-foot button { width: auto; }
  main { padding: 24px 16px 64px; }
  .server { grid-template-columns: 1fr; }
  .chassis svg { max-width: 220px; }
  .login-page { grid-template-columns: 1fr; }
  .login-art { padding: 28px 22px; min-height: 260px; }
  .form-two-col { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .led.ok { animation: none; }
  .metric-bar > div { transition: none; }
}