/* peck.host: "Host a Peck node". Static, no external requests.
   Tokens follow the Peck UI palette (peck-ui tokens.css); the accent is the
   peck.host brand-kit dot (#34d399). Light by default, dark via prefers-color-scheme. */

:root {
  color-scheme: light dark;

  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #eef0f4;
  --border: rgba(15, 17, 24, 0.10);
  --border-strong: rgba(15, 17, 24, 0.20);
  --text: #0f1118;
  --dim: #525f72;
  --faint: #5f6b7d;

  --accent: #34d399;        /* kit dot: fills, dots */
  --accent-ink: #047857;    /* accent as text on light */
  --accent-bg: rgba(52, 211, 153, 0.16);
  --amber-ink: #8a5a00;
  --amber-bg: rgba(251, 191, 36, 0.20);
  --red-ink: #b42318;
  --red-bg: rgba(248, 113, 113, 0.16);
  --focus: #0b6b4b;

  --mono: "JetBrains Mono", "SFMono-Regular", "Cascadia Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  --r: 10px;
  --r-sm: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0b0f;
    --panel: #0f1118;
    --panel-2: #1a1d27;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #e8eaf0;
    --dim: #8b92a5;
    --faint: #7d8598;

    --accent-ink: #34d399;
    --accent-bg: rgba(52, 211, 153, 0.13);
    --amber-ink: #fbbf24;
    --amber-bg: rgba(251, 191, 36, 0.14);
    --red-ink: #f87171;
    --red-bg: rgba(248, 113, 113, 0.14);
    --focus: #6ee7b7;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
code, .mono { font-family: var(--mono); font-size: 0.92em; }
code { background: var(--panel-2); border-radius: 4px; padding: 0.1em 0.4em; overflow-wrap: anywhere; }
.dim { color: var(--dim); }
.small { font-size: 14px; }

.wrap { max-width: 960px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 720px) { .wrap { padding-inline: 24px; } }

.skip { position: absolute; left: -999px; top: 8px; background: var(--panel); border: 1px solid var(--border-strong); padding: 8px 12px; border-radius: var(--r-sm); z-index: 10; }
.skip:focus { left: 8px; }

/* header */
.top { border-bottom: 1px solid var(--border); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.brand img { display: block; height: 26px; width: auto; }
@media (max-width: 480px) { .brand img { height: 22px; } }
.top nav { display: flex; gap: 18px; font-family: var(--mono); font-size: 13px; }
.top nav a { color: var(--dim); text-decoration: none; }
.top nav a:hover { color: var(--text); text-decoration: underline; }

/* sections */
main > section { margin-top: 56px; }
@media (max-width: 480px) { main > section { margin-top: 44px; } .stack-top .arrow { display: none; } }
h2 { font: 700 13px/1.4 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); margin-bottom: 14px; }
h2 .hash { color: var(--accent-ink); margin-right: 4px; }
h3 { font-size: 16px; line-height: 1.35; margin-bottom: 6px; }
.sec-lead { max-width: 64ch; color: var(--dim); margin-bottom: 22px; }
.note { max-width: 74ch; color: var(--dim); font-size: 14.5px; margin-top: 14px; }
.note b { color: var(--text); font-weight: 600; }
.fine { color: var(--faint); font-size: 13px; margin-top: 12px; }

/* hero */
.hero { margin-top: 0; padding-top: 56px; }
.eyebrow { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.tag { font: 600 11px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber-ink); background: var(--amber-bg); border-radius: 999px; padding: 6px 10px; }
.tag-quiet { color: var(--dim); background: var(--panel-2); }
h1 { font-size: clamp(34px, 8vw, 56px); line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; margin-bottom: 18px; }
h1 .hl { color: var(--accent-ink); }
.lead { font-size: clamp(17px, 2.4vw, 20px); color: var(--dim); max-width: 60ch; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.btn {
  display: inline-block; font: 600 14px/1 var(--mono); text-decoration: none; cursor: pointer;
  color: var(--text); background: var(--panel); border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); padding: 13px 18px;
}
.btn:hover { border-color: var(--accent-ink); }
.btn-primary { background: var(--accent); color: #04281b; border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.06); border-color: var(--accent); }
.btn-small { padding: 9px 12px; font-size: 13px; }

/* panels */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r); padding: 20px; }
.panel + .panel { margin-top: 16px; }
@media (max-width: 480px) { .panel { padding: 16px; } }

/* live panel */
.live-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.live-head h2 { margin: 0; color: var(--text); letter-spacing: 0.04em; text-transform: none; font-size: 17px; }
.pill { font: 600 12px/1 var(--mono); border-radius: 999px; padding: 7px 11px; background: var(--panel-2); color: var(--dim); white-space: nowrap; }
.pill::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: currentColor; margin-right: 7px; vertical-align: 0; }
[data-state="online"] .pill { background: var(--accent-bg); color: var(--accent-ink); }
[data-state="offline"] .pill { background: var(--amber-bg); color: var(--amber-ink); }
[data-state="checking"] .pill::before { animation: blink 1.2s ease-in-out infinite; }
@keyframes blink { 50% { opacity: 0.25; } }
.live-msg { color: var(--dim); margin: 10px 0 14px; max-width: 64ch; }
[data-state="offline"] .live-msg { color: var(--text); }
.live-foot { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 4px; }
.kv { display: grid; grid-template-columns: minmax(104px, 150px) 1fr; gap: 0; border-top: 1px solid var(--border); margin-bottom: 14px; }
.kv dt, .kv dd { padding: 9px 0; border-bottom: 1px solid var(--border); }
.kv dt { color: var(--faint); font: 13px/1.6 var(--mono); padding-right: 12px; }
.kv dd { min-width: 0; overflow-wrap: anywhere; font-size: 15px; }
.kv .mono { font-size: 13.5px; }
.svc { display: flex; flex-wrap: wrap; gap: 6px; }
.svc span { font: 12.5px/1 var(--mono); background: var(--panel-2); border-radius: var(--r-sm); padding: 6px 8px; }
@media (max-width: 480px) {
  .kv { grid-template-columns: 1fr; }
  .kv dt { border-bottom: 0; padding-bottom: 0; }
  .kv dd { padding-top: 2px; }
}

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r); background: var(--panel); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: left; vertical-align: top; padding: 11px 14px; border-bottom: 1px solid var(--border); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
thead th { white-space: nowrap; font: 600 12px/1.4 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--faint); background: var(--panel-2); }
tbody th { font-family: var(--mono); font-size: 13.5px; white-space: nowrap; }
td { color: var(--dim); }
.offers h3 { margin-bottom: 2px; }
.offers .table-wrap { margin-top: 12px; }
@media (max-width: 480px) { th, td { padding: 10px; } }
@media (max-width: 560px) {
  #runs table, #runs thead, #runs tbody, #runs tr, #runs th, #runs td { display: block; }
  #runs thead { display: none; }
  #runs tr { padding: 10px 14px; border-bottom: 1px solid var(--border); }
  #runs tbody tr:last-child { border-bottom: 0; }
  #runs th, #runs td { border: 0; padding: 0; white-space: normal; }
  #runs td:last-child { margin-top: 2px; color: var(--faint); font-family: var(--mono); font-size: 12.5px; }
  #runs td:last-child::before { content: "memory: "; }
}

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r); padding: 18px; }
.card p { color: var(--dim); font-size: 14.5px; }

/* node stack figure */
.stack { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.stack-top, .stack-bottom { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; font: 13px/1.4 var(--mono); color: var(--dim); }
.chip { background: var(--panel); border: 1px solid var(--border-strong); border-radius: 999px; padding: 7px 12px; }
.chip-url { color: var(--accent-ink); }
.stack-box { position: relative; border: 1px dashed var(--border-strong); border-radius: var(--r); padding: 30px 14px 14px; background: var(--panel); }
.stack-label { position: absolute; top: 9px; left: 14px; font: 600 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-ink); }
.stack-items { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 10px; }
.unit { background: var(--panel-2); border-radius: var(--r-sm); padding: 12px; }
.unit b { display: block; font: 600 13.5px/1.3 var(--mono); margin-bottom: 4px; }
.unit span { display: block; font-size: 13.5px; color: var(--dim); line-height: 1.45; }

/* four domains */
.four { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.four li { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r); padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.four li.here { border-color: var(--accent-ink); background: var(--accent-bg); }
.four .dom { font: 700 15px/1.3 var(--mono); color: var(--text); text-decoration: none; }
.four a.dom { color: var(--accent-ink); }
.four b { font: 600 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }
.four li > span:not(.dom) { font-size: 14px; color: var(--dim); line-height: 1.5; flex: 1; }
.phase { font: 600 11px/1.3 var(--mono); font-style: normal; color: var(--faint); }
.phase-off { color: var(--amber-ink); }
@media (max-width: 860px) { .four { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 400px) { .four { gap: 10px; } .four li { padding: 12px; } }

/* callouts and steps */
.callout { background: var(--accent-bg); border: 1px solid var(--accent-ink); border-radius: var(--r); padding: 14px 16px; max-width: 74ch; margin-bottom: 22px; }
.callout-off { background: var(--amber-bg); border-color: var(--amber-ink); }
.steps { list-style: none; padding: 0; counter-reset: s; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 14px; }
.steps li { counter-increment: s; background: var(--panel); border: 1px solid var(--border); border-radius: var(--r); padding: 18px; }
.steps li::before { content: "[" counter(s) "]"; display: block; font: 600 13px/1 var(--mono); color: var(--accent-ink); margin-bottom: 10px; }
.steps p { color: var(--dim); font-size: 14.5px; }

/* footer */
.foot { padding-top: 56px; padding-bottom: 40px; color: var(--faint); font-size: 13px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-state="checking"] .pill::before { animation: none; }
}