/* 402Scope · independent x402 observatory
   Swiss / minimal. IBM Plex Sans + Plex Mono, self-hosted (OFL).
   Dark by default for system dark mode; full light theme. */

@font-face { font-family: "Plex Sans"; src: url("fonts/ibm-plex-sans-latin-wght-normal.woff2") format("woff2"); font-weight: 100 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Plex Sans"; src: url("fonts/ibm-plex-sans-latin-wght-italic.woff2") format("woff2"); font-weight: 100 700; font-style: italic; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --bg: #f7f6f2;
  --bg-2: #efede6;
  --card: #ffffff;
  --fg: #111827;
  --fg-2: #4b5563;
  --line: #dcd8cc;
  --line-2: #c9c4b4;
  --accent: #a15c07;          /* amber, AA on light */
  --accent-strong: #7c4504;
  --accent-soft: rgba(217, 119, 6, 0.10);
  --ok: #047857;
  --warn: #a15c07;
  --bad: #b91c1c;
  --muted: #6b7280;
  --code-bg: #f0eee7;
  --shadow: 0 1px 0 rgba(17, 24, 39, 0.04);
  --chart-line: #a15c07;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1220; --bg-2: #0f1828; --card: #111b2d; --fg: #eef2f7; --fg-2: #a5b1c2;
    --line: #1f2b40; --line-2: #2c3a52; --accent: #f5a524; --accent-strong: #fbbf24;
    --accent-soft: rgba(245, 165, 36, 0.10); --ok: #34d399; --warn: #f5a524; --bad: #f87171;
    --muted: #8391a7; --code-bg: #0e1726; --shadow: none; --chart-line: #c7800f; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1220; --bg-2: #0f1828; --card: #111b2d; --fg: #eef2f7; --fg-2: #a5b1c2;
  --line: #1f2b40; --line-2: #2c3a52; --accent: #f5a524; --accent-strong: #fbbf24;
  --accent-soft: rgba(245, 165, 36, 0.10); --ok: #34d399; --warn: #f5a524; --bad: #f87171;
  --muted: #8391a7; --code-bg: #0e1726; --shadow: none; --chart-line: #c7800f; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 17px/1.6 "Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "ss01";
}
a { color: inherit; text-decoration-color: var(--line-2); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
code, pre, .mono { font-family: "Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }
img, svg { max-width: 100%; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding-inline: 24px; }
@media (max-width: 480px) { .wrap { padding-inline: 16px; } }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(140%) blur(8px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; letter-spacing: -0.01em; }
.brand-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border: 1.5px solid var(--fg); border-radius: 7px; font: 500 12px/1 "Plex Mono", monospace; }
.nav { display: flex; gap: 20px; margin-left: auto; font-size: 15px; }
.nav a { text-decoration: none; color: var(--fg-2); }
.nav a:hover { color: var(--fg); }
.icon-btn { display: inline-grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--fg); cursor: pointer; text-decoration: none; transition: border-color .2s; }
.icon-btn:hover { border-color: var(--accent); }
.icon-btn svg { width: 18px; height: 18px; }
@media (max-width: 820px) { .nav { display: none; } .top .wrap { gap: 12px; } .top .tools { margin-left: auto; } }
.tools { display: flex; gap: 8px; }

/* Hero */
.hero { padding-block: 88px 56px; border-bottom: 1px solid var(--line); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 500 13px/1 "Plex Mono", monospace; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.04; letter-spacing: -0.025em; font-weight: 600; margin: 20px 0 20px; max-width: 16ch; text-wrap: balance; }
.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--fg-2); max-width: 62ch; margin: 0 0 12px; }
.lede strong { color: var(--fg); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding-inline: 20px; border-radius: 8px; font-weight: 500; font-size: 16px; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: background-color .2s, border-color .2s, color .2s; }
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--accent); color: #111827; }
:root[data-theme="light"] .btn-primary { color: #fff; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .btn-primary { color: #fff; } }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { border-color: var(--line-2); color: var(--fg); }
.btn-ghost:hover { border-color: var(--accent); }

.figs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 56px; border-top: 1px solid var(--line); }
.fig { padding: 20px 20px 0 0; font: 500 clamp(28px, 4vw, 40px)/1.1 "Plex Mono", monospace; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.fig + .fig { padding-left: 20px; border-left: 1px solid var(--line); }
.fig small { display: block; margin-top: 8px; font: 400 14px/1.4 "Plex Sans", sans-serif; color: var(--muted); letter-spacing: 0; }
@media (max-width: 720px) { .figs { grid-template-columns: repeat(2, minmax(0, 1fr)); } .fig:nth-child(3) { padding-left: 0; border-left: 0; } .fig:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 20px; } }
.figs-note { color: var(--muted); font-size: 14px; margin-top: 14px; }

/* Sections */
section { padding-block: 72px; border-bottom: 1px solid var(--line); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 24px 48px; align-items: start; margin-bottom: 32px; }
@media (max-width: 860px) { .sec-head { grid-template-columns: 1fr; } }
.kicker { font: 500 13px/1.4 "Plex Mono", monospace; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 10px; }
h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; margin: 0; text-wrap: balance; }
h3 { font-size: 19px; line-height: 1.3; margin: 0 0 8px; font-weight: 600; letter-spacing: -0.01em; }
.sec-head p { margin: 0; color: var(--fg-2); max-width: 65ch; }
.sec-head p + p { margin-top: 12px; }
p { max-width: 70ch; }
.muted { color: var(--muted); font-size: 15px; }
.err { color: var(--bad); }

.alt { background: var(--bg-2); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--card); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 12.5px/1.3 "Plex Mono", monospace; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); background: var(--bg-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-family: "Plex Mono", monospace; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.ep { font-family: "Plex Mono", monospace; font-size: 13.5px; word-break: break-all; min-width: 220px; }
.table-wrap + .muted, .slot > .muted { margin-top: 12px; }
.st { font-family: "Plex Mono", monospace; font-size: 13.5px; white-space: nowrap; }
.st-published { color: var(--ok); }
.st-provisional { color: var(--warn); }
.st-insufficient_data, .st-no_data { color: var(--muted); }
.st-failing { color: var(--bad); }
.loading { color: var(--muted); font-family: "Plex Mono", monospace; font-size: 14px; }

/* Checker */
.checker { display: flex; gap: 10px; flex-wrap: wrap; }
.checker input { flex: 1 1 320px; min-width: 0; height: 48px; padding-inline: 14px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--card); color: var(--fg); font: 400 15px "Plex Mono", monospace; }
.checker input::placeholder { color: var(--muted); }
.checker input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
#lintOut { margin-top: 18px; }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 24px; background: var(--card); box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.card p { margin: 0; color: var(--fg-2); font-size: 15.5px; }
.card .num-badge { font: 500 13px/1 "Plex Mono", monospace; color: var(--accent); margin-bottom: 8px; }
.card .more { margin-top: auto; padding-top: 14px; font-size: 15px; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

pre { margin: 0; padding: 18px 20px; overflow-x: auto; background: var(--code-bg); border: 1px solid var(--line); border-radius: 10px; font-size: 13.5px; line-height: 1.65; color: var(--fg); }
pre .c { color: var(--muted); }
pre .k { color: var(--accent); }

.state-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
@media (max-width: 760px) { .state-row { grid-template-columns: 1fr; } }
.state { border-top: 2px solid var(--line-2); padding-top: 14px; }
.state .st { font-size: 14px; }
.state p { margin: 6px 0 0; font-size: 15px; color: var(--fg-2); }
.state.published { border-color: var(--ok); }
.state.provisional { border-color: var(--warn); }

.status-pill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-2); border-radius: 999px; padding: 4px 12px; font: 500 13px/1.4 "Plex Mono", monospace; color: var(--fg-2); }
.status-pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }

.list-plain { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.list-plain li { padding-left: 18px; position: relative; color: var(--fg-2); max-width: 70ch; }
.list-plain li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 8px; height: 2px; background: var(--accent); }
.list-plain strong { color: var(--fg); font-weight: 600; }

/* Repos */
.repo { text-decoration: none; transition: border-color .2s; }
.repo:hover { border-color: var(--accent); }
.repo .name { display: flex; align-items: center; gap: 8px; font: 500 15px/1.3 "Plex Mono", monospace; color: var(--fg); }
.repo .name svg { width: 16px; height: 16px; flex: none; }

/* Footer */
footer { padding-block: 48px 64px; color: var(--muted); font-size: 15px; }
footer .wrap { display: grid; gap: 18px; }
footer .links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { color: var(--fg-2); }

.reveal { opacity: 1; transform: none; transition: opacity .35s ease-out, transform .35s ease-out; }
.js .reveal.pending { opacity: 0; transform: translateY(12px); }
button, input { font: inherit; }
.btn { font-family: "Plex Sans", system-ui, sans-serif; }

/* Subpages */
.page-hero { padding-block: 64px 40px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(32px, 5vw, 52px); max-width: 22ch; }
.field-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.snippet { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: start; margin-top: 10px; }
.snippet pre { white-space: pre-wrap; word-break: break-all; }
.btn-sm { height: 36px; padding-inline: 14px; font-size: 14px; }
.preview { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; min-height: 44px; padding: 16px; border: 1px dashed var(--line-2); border-radius: 10px; background: var(--card); }
.badge-legend { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.badge-legend img { display: block; margin-bottom: 6px; max-width: 100%; height: 20px; }
.btn-ghost { background: transparent; }
.badge-legend img { height: auto; }

/* Decision */
.policy { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; margin-top: 14px; font-size: 15px; color: var(--fg-2); }
.policy input { width: 64px; height: 34px; margin-inline: 6px; padding-inline: 8px; border: 1px solid var(--line-2); border-radius: 6px; background: var(--card); color: var(--fg); font-family: "Plex Mono", monospace; }
.decision { margin-top: 22px; border: 1px solid var(--line); border-left-width: 4px; border-radius: 10px; padding: 18px 20px; background: var(--card); }
.decision-head { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: baseline; }
.decision-label { font-size: 24px; font-weight: 600; letter-spacing: -0.01em; }
.decision ul { margin: 12px 0 0; padding-left: 18px; color: var(--fg-2); }
.decision li + li { margin-top: 4px; }
.decision-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 14px; font-size: 15px; }
.decision-sell { border-left-color: var(--ok); } .decision-sell .decision-label { color: var(--ok); }
.decision-warn { border-left-color: var(--warn); } .decision-warn .decision-label { color: var(--warn); }
.decision-hold { border-left-color: var(--bad); } .decision-hold .decision-label { color: var(--bad); }
.decision-unmeasured { border-left-color: var(--line-2); }

/* Build with it */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }
.card pre { margin-top: 12px; font-size: 12.5px; white-space: pre; }

/* Provider record */
.mono-title { font-family: "Plex Mono", monospace; font-weight: 500; font-size: clamp(24px, 4vw, 40px); letter-spacing: -0.01em; word-break: break-all; max-width: none; }
.chart-box { position: relative; border: 1px solid var(--line); border-radius: 10px; background: var(--card); padding: 12px 8px 4px; }
.chart { display: block; width: 100%; height: auto; }
.chart .grid line { stroke: var(--line); stroke-width: 1; }
.chart .axis-text text { fill: var(--muted); font: 12px "Plex Mono", monospace; }
.chart .series { fill: none; stroke: var(--chart-line); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.chart .rule-marks line { stroke: var(--line-2); stroke-dasharray: 4 4; }
.chart .rule-marks text { fill: var(--muted); font: 11px "Plex Sans", sans-serif; }
.chart .crosshair { stroke: var(--line-2); stroke-width: 1; }
.chart .hover-dot { fill: var(--chart-line); stroke: var(--card); stroke-width: 2; }
.tip { position: absolute; pointer-events: none; min-width: 150px; background: var(--card); border: 1px solid var(--line-2); border-radius: 8px; padding: 8px 10px; font-size: 13px; line-height: 1.45; box-shadow: 0 4px 16px rgba(0,0,0,.18); }
.table-toggle { margin-top: 14px; }
.table-toggle summary { cursor: pointer; color: var(--fg-2); font-size: 15px; }
.table-toggle .table-wrap { margin-top: 10px; }
td.ep a { text-decoration: none; } td.ep a:hover { text-decoration: underline; }
.claim-form { display: grid; gap: 12px; max-width: 720px; }
.claim-form label { display: grid; gap: 6px; font-size: 15px; color: var(--fg-2); }
.claim-form input { height: 44px; padding-inline: 12px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--card); color: var(--fg); font: 400 14px "Plex Mono", monospace; min-width: 0; }
.claim-form .btn { justify-self: start; }
#claimOut { margin-top: 16px; }

/* Live onchain feed */
.mono { font-family: "Plex Mono", monospace; font-size: 0.92em; }
.live-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 20px; }
@media (max-width: 760px) { .live-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.live-stat { display: grid; gap: 2px; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; background: var(--card); }
.live-num { font: 500 28px/1.1 "Plex Mono", monospace; font-variant-numeric: tabular-nums; color: var(--fg); }
.live-filter { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.live-filter #refresh { margin-left: auto; }
.chip { height: 34px; padding-inline: 14px; border: 1px solid var(--line-2); border-radius: 999px; background: transparent; color: var(--fg-2); font: 500 13.5px "Plex Sans", system-ui, sans-serif; cursor: pointer; }
.chip:hover { border-color: var(--accent); color: var(--fg); }
.chip.is-on { background: var(--accent-soft); border-color: var(--accent); color: var(--fg); }
.kind { display: inline-block; min-width: 64px; margin-right: 6px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line-2); font: 500 11.5px/1.5 "Plex Mono", monospace; text-transform: uppercase; letter-spacing: 0.04em; text-align: center; color: var(--muted); }
.kind-payment { color: var(--ok); border-color: var(--ok); }
.kind-score { color: var(--accent); border-color: var(--accent); }
.kind-policy { color: var(--fg-2); }
#feedBody td:nth-child(3) { min-width: 260px; }
#feedBody td:nth-child(2), #feedBody td:nth-child(4) { white-space: nowrap; }
.wallet-sign { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; margin-top: 16px; }
.wallet-sign .muted { margin: 0; flex: 1 1 320px; }
#walletOut { margin-top: 8px; }
.roles .card pre { margin-top: 8px; font-size: 12.5px; white-space: pre-wrap; word-break: break-word; }