/* XODE Sentinel — shared design system. No external fonts or scripts: the
   verifier must be safe to save and run offline, so nothing here phones home. */

:root {
  --bg: #f6f6f2;
  --surface: #ffffff;
  --surface-2: #fbfbf8;
  --ink: #0f1217;
  --ink-2: #3a414d;
  --muted: #687080;
  --line: #e3e3dc;
  --line-2: #d4d4cb;
  --accent: #0d6b52;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1ec;
  --pass: #0d6b52;
  --pass-soft: #e3f1ec;
  --fail: #b8322a;
  --fail-soft: #fbe9e7;
  --wait: #87570c;
  --wait-soft: #fbf0dc;
  --info: #2848b8;
  --code-bg: #0f1217;
  --code-ink: #e6e9ee;
  --shadow: 0 1px 2px rgba(15, 18, 23, .05), 0 8px 24px rgba(15, 18, 23, .06);
  --radius: 14px;
  --radius-sm: 9px;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
          "Noto Sans", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo,
          Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0c0f; --surface: #111419; --surface-2: #0d1014; --ink: #e9ebee;
    --ink-2: #c2c7cf; --muted: #8b93a1; --line: #222831; --line-2: #2d3540;
    --accent: #3ccf9f; --accent-ink: #04140f; --accent-soft: #0e2a22;
    --pass: #3ccf9f; --pass-soft: #0e2a22; --fail: #f0766c; --fail-soft: #2d1513;
    --wait: #e7b45a; --wait-soft: #2a2110; --info: #8ea6ff; --code-bg: #07090b;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0a0c0f; --surface: #111419; --surface-2: #0d1014; --ink: #e9ebee;
  --ink-2: #c2c7cf; --muted: #8b93a1; --line: #222831; --line-2: #2d3540;
  --accent: #3ccf9f; --accent-ink: #04140f; --accent-soft: #0e2a22;
  --pass: #3ccf9f; --pass-soft: #0e2a22; --fail: #f0766c; --fail-soft: #2d1513;
  --wait: #e7b45a; --wait-soft: #2a2110; --info: #8ea6ff; --code-bg: #07090b;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; }
img, svg { display: block; }
::selection { background: var(--accent-soft); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .wrap { padding: 0 16px; } }

/* ------------------------------------------------------------------ nav -- */
.nav {
  position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 650; letter-spacing: -.01em; }
.brand small { font-weight: 500; color: var(--muted); }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 14px; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--ink); }
@media (max-width: 720px) { .nav-links .hide-sm { display: none; } .nav .wrap { gap: 12px; } }

/* -------------------------------------------------------------- buttons -- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--line-2);
  background: var(--surface); color: var(--ink); font: 550 14px/1 var(--sans);
  text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s, transform .05s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--ink-2); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn.primary:hover { opacity: .9; }
.btn.accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { background: var(--surface); border-color: var(--line); }
.btn.sm { height: 32px; padding: 0 11px; font-size: 13px; border-radius: 8px; }
.btn.danger { color: var(--fail); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------------------------------------------------------------- type -- */
h1, h2, h3, h4 { margin: 0; letter-spacing: -.022em; line-height: 1.15; }
h1 { font-size: clamp(36px, 6vw, 64px); font-weight: 680; letter-spacing: -.035em; }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 650; }
h3 { font-size: 18px; font-weight: 620; letter-spacing: -.01em; }
p { margin: 0; }
.lede { font-size: clamp(17px, 2vw, 20px); color: var(--ink-2); max-width: 640px; line-height: 1.55; }
.eyebrow { font: 600 12px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: .92em; }
code { font-family: var(--mono); font-size: .9em; background: var(--surface-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; }

/* ---------------------------------------------------------------- cards -- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card.flat { box-shadow: none; }
.card-h { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.card-b { padding: 20px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: minmax(0, 1fr); } }

/* --------------------------------------------------------------- pills -- */
.pill { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 9px; border-radius: 999px; font: 600 12px/1 var(--sans); white-space: nowrap; }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.pass { background: var(--pass-soft); color: var(--pass); }
.pill.fail { background: var(--fail-soft); color: var(--fail); }
.pill.wait { background: var(--wait-soft); color: var(--wait); }
.pill.neutral { background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); }
.pill.plain::before { display: none; }

/* --------------------------------------------------------------- hashes -- */
.hash { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--line); border-radius: 7px; padding: 2px 7px; cursor: copy; white-space: nowrap; user-select: all; }
.hash:hover { border-color: var(--line-2); color: var(--ink); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 13px; opacity: 0; transition: .2s; pointer-events: none; z-index: 50; }
.toast.on { opacity: 1; transform: translateX(-50%); }

/* ---------------------------------------------------------------- forms -- */
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; font-weight: 560; color: var(--ink-2); }
.input, textarea.input, select.input {
  width: 100%; min-height: 40px; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line-2);
  background: var(--surface); color: var(--ink); font: 14px/1.4 var(--sans);
}
textarea.input { font-family: var(--mono); font-size: 12.5px; resize: vertical; }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* --------------------------------------------------------------- tables -- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font: 600 11.5px/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: 12px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--surface-2); }
.num { font-variant-numeric: tabular-nums; }

/* -------------------------------------------------------------- codebox -- */
.codebox { background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius); overflow: hidden; border: 1px solid #1d222a; }
.codebox .tabs { display: flex; gap: 2px; padding: 8px 8px 0; border-bottom: 1px solid #1d222a; }
.codebox .tab { background: none; border: 0; color: #8b93a1; font: 550 13px/1 var(--sans); padding: 10px 12px; border-radius: 8px 8px 0 0; cursor: pointer; }
.codebox .tab[aria-selected="true"] { color: #fff; background: #161b22; }
.codebox pre { margin: 0; padding: 18px 20px; overflow-x: auto; font: 13px/1.65 var(--mono); }
.codebox .c { color: #6b7686; } .codebox .s { color: #a5e3c8; } .codebox .k { color: #9fb6ff; }

/* -------------------------------------------------------------- footer -- */
.foot { border-top: 1px solid var(--line); margin-top: 96px; padding: 32px 0 48px; color: var(--muted); font-size: 13px; }
.foot .wrap { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }