/* EpochCore Verifier — palette matches one-pager PDF */
:root {
  --bg: #F7F6F2;
  --surface: #FBFBF9;
  --border: #D4D1CA;
  --text: #28251D;
  --muted: #7A7974;
  --primary: #01696F;
  --primary-dark: #1B474D;
  --ok: #437A22;
  --warn: #964219;
  --fail: #B33A19;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  --serif: "DM Sans", Inter, -apple-system, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }

a { color: var(--primary); }
a:hover { color: var(--primary-dark); }

code, pre { font-family: var(--mono); font-size: 0.92em; }
code { background: rgba(1,105,111,0.07); padding: 1px 5px; border-radius: 4px; color: var(--primary-dark); }
pre.codeblock { background: #1B1B1B; color: #E8E6DF; padding: 16px 18px; border-radius: 8px; overflow: auto; max-height: 420px; line-height: 1.45; font-size: 12.5px; }

/* HERO */
.hero { background: linear-gradient(180deg, #FBFBF9 0%, var(--bg) 100%); border-bottom: 1px solid var(--border); padding: 48px 0 32px; }
.brand { display: flex; align-items: center; gap: 8px; margin-bottom: 28px; }
.brand .dot { width: 12px; height: 12px; background: var(--primary); border-radius: 3px; box-shadow: 0 0 0 3px rgba(1,105,111,0.15); }
.brand .brandname { font-family: var(--serif); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }
.brand .brandsub { color: var(--muted); font-weight: 500; }

h1 { font-family: var(--serif); font-weight: 700; font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1.18; letter-spacing: -0.02em; margin: 0 0 14px; max-width: 760px; }
h1 code { font-size: 0.85em; background: rgba(1,105,111,0.1); padding: 1px 8px; }
.lede { color: #4B4944; font-size: 1.05rem; max-width: 720px; margin: 0; }

/* CARDS */
main { padding: 28px 0 48px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 22px 24px; margin-bottom: 18px; }
.cardhead { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.cardhead h2 { font-family: var(--serif); font-size: 1.1rem; font-weight: 700; color: var(--primary); margin: 0; letter-spacing: -0.01em; }
.cardhead .muted { color: var(--muted); font-size: 0.85rem; }

/* PRESETS */
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.presets button { background: #fff; border: 1px solid var(--border); color: var(--text); padding: 6px 12px; border-radius: 999px; font-family: var(--mono); font-size: 0.8rem; cursor: pointer; transition: all 0.15s; }
.presets button:hover { border-color: var(--primary); color: var(--primary); }

/* FORM */
form label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 6px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; }
.row { display: flex; gap: 8px; }
input[type=url] { flex: 1; padding: 11px 14px; font-family: var(--mono); font-size: 0.92rem; border: 1.5px solid var(--border); border-radius: 8px; background: #fff; color: var(--text); }
input[type=url]:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(1,105,111,0.15); }
button[type=submit] { background: var(--primary); color: #fff; border: none; padding: 11px 22px; border-radius: 8px; font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: background 0.15s; font-family: var(--sans); }
button[type=submit]:hover { background: var(--primary-dark); }
button[type=submit]:disabled { background: var(--muted); cursor: wait; }
.hint { color: var(--muted); font-size: 0.83rem; margin: 10px 0 0; }

/* CHECKS */
.badge { padding: 4px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; }
.badge.pending { background: #EFEEE9; color: var(--muted); }
.badge.ok      { background: rgba(67,122,34,0.13); color: var(--ok); }
.badge.fail    { background: rgba(179,58,25,0.13); color: var(--fail); }
.badge.warn    { background: rgba(150,66,25,0.13); color: var(--warn); }

.checks { list-style: none; padding: 0; margin: 0; }
.checks li.step { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.checks li.step:last-child { border-bottom: none; }
.checks li.step .status { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; font-size: 14px; background: #EFEEE9; color: var(--muted); transition: all 0.2s; }
.checks li.step[data-state=ok]   .status { background: var(--ok); color: #fff; }
.checks li.step[data-state=ok]   .status::before { content: "\2713"; }
.checks li.step[data-state=fail] .status { background: var(--fail); color: #fff; }
.checks li.step[data-state=fail] .status::before { content: "\2717"; }
.checks li.step[data-state=run]  .status { background: var(--primary); color: #fff; animation: spin 0.9s linear infinite; }
.checks li.step[data-state=run]  .status::before { content: "\25CB"; }
.checks li.step[data-state=skip] .status { background: var(--border); color: var(--muted); font-size: 11px; }
.checks li.step[data-state=skip] .status::before { content: "\2013"; }
@keyframes spin { to { transform: rotate(360deg); } }

.checks li.step > div { flex: 1; }
.detail { color: var(--muted); font-size: 0.85rem; margin-top: 4px; font-family: var(--mono); word-break: break-all; }
.detail.ok { color: var(--ok); }
.detail.fail { color: var(--fail); }

/* ENVELOPE TABLE */
.envelope { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.envelope td { padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: top; word-break: break-all; }
.envelope td:first-child { font-family: var(--mono); color: var(--muted); width: 200px; white-space: nowrap; padding-right: 16px; }
.envelope td:last-child { font-family: var(--mono); color: var(--text); }
.envelope tr:last-child td { border-bottom: none; }

/* EXPLAIN */
.explain { margin: 32px 0 16px; padding: 0 4px; }
.explain h2 { font-family: var(--serif); color: var(--primary); margin: 0 0 12px; font-size: 1.15rem; }
.explain p { color: #3F3E39; margin: 0 0 12px; max-width: 740px; }
.callout { background: rgba(1,105,111,0.06); border-left: 3px solid var(--primary); padding: 14px 16px; border-radius: 0 8px 8px 0; }
.quietnote { color: var(--muted); font-size: 0.88rem; }

footer { border-top: 1px solid var(--border); padding: 18px 0; margin-top: 24px; background: var(--surface); color: var(--muted); font-size: 0.82rem; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer code { background: transparent; color: var(--muted); padding: 0; }

@media (max-width: 640px) {
  .row { flex-direction: column; }
  .cardhead { flex-direction: column; align-items: flex-start; gap: 4px; }
  footer .wrap { flex-direction: column; }
  .envelope td:first-child { width: auto; }
}