/* upload-cert – demo OCSP test certificate page. No external assets. */
:root {
  --ink: #141824;
  --ink-2: #2a3040;
  --text: #1d2230;
  --muted: #5d6475;
  --line: #e2e5ec;
  --bg: #f4f5f8;
  --card: #ffffff;
  --accent: #ff3c12;          /* SK ID Solutions orange */
  --accent-dark: #d92e08;
  --accent-soft: #fff1ed;
  --good: #1a7f43;  --good-bg: #e6f5ec;
  --bad: #c42b1c;   --bad-bg: #fdecea;
  --unk: #5d6475;   --unk-bg: #eef0f4;
  --warn: #9a5b00;  --warn-bg: #fff4e0;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent-dark); }
a:hover { color: var(--accent); }
code, pre, textarea { font-family: var(--mono); }
code { font-size: .9em; background: var(--unk-bg); padding: .1em .35em; border-radius: 4px; }

/* header */
.top { background: var(--ink); color: #fff; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; font-weight: 700; letter-spacing: .2px; }
.brand img { height: 32px; width: auto; display: block; }
.brand .word { font-size: 1.15rem; }
.brand .word b { color: var(--accent); }
.pill { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  border: 1px solid rgba(255,255,255,.35); border-radius: 999px; padding: 4px 12px; color: #fff; white-space: nowrap; }
.accentbar { height: 4px; background: var(--accent); }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
main.wrap { padding-top: 36px; padding-bottom: 48px; }

h1 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); line-height: 1.2; margin: 0 0 12px; color: var(--ink); }
h2 { font-size: 1.3rem; margin: 0 0 14px; color: var(--ink); }
h3 { font-size: 1.05rem; margin: 22px 0 8px; color: var(--ink); }
.lead { font-size: 1.08rem; color: var(--ink-2); max-width: 780px; margin: 0 0 8px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 14px 0 28px; padding: 0; list-style: none; color: var(--muted); font-size: .93rem; }
.facts li::before { content: "•"; color: var(--accent); margin-right: 8px; font-weight: 700; }

/* tabs */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--line); margin-bottom: 0; }
.tab { appearance: none; background: none; border: 0; padding: 12px 18px; font: inherit; font-weight: 600;
  color: var(--muted); text-decoration: none; border-bottom: 3px solid transparent; margin-bottom: -2px; cursor: pointer; }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 0 0 var(--radius) var(--radius);
  padding: 28px; box-shadow: 0 1px 2px rgba(20,24,36,.04); }
.card.solo { border-radius: var(--radius); margin-top: 24px; }
.panel[hidden] { display: none; }

/* steps */
.step { display: grid; grid-template-columns: 34px 1fr; gap: 0 14px; margin-bottom: 26px; }
.step .num { width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: .9rem; margin-top: 2px; }
.step h3 { margin-top: 4px; }
.hint { color: var(--muted); font-size: .9rem; margin: 6px 0 0; }

/* drop zone */
.drop { border: 2px dashed #c4c9d4; border-radius: var(--radius); background: #fafbfc; padding: 14px; transition: border-color .15s, background .15s; }
.drop.dragover { border-color: var(--accent); background: var(--accent-soft); }
.drop-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 10px; }
.drop-head strong { color: var(--ink); }
.drop textarea { width: 100%; min-height: 150px; resize: vertical; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; font-size: 12.5px; line-height: 1.45; background: #fff; color: var(--text); }
.drop textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.file-msg { font-size: .9rem; color: var(--muted); }
.file-msg.ok { color: var(--good); }
.file-msg.err { color: var(--bad); }

details.ca { margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius); padding: 0 16px; background: #fff; }
details.ca > summary { cursor: pointer; padding: 12px 0; font-weight: 600; color: var(--ink-2); }
details.ca[open] { padding-bottom: 16px; }
details.ca .hint { margin: 0 0 10px; }

/* status choice */
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.choice { position: relative; display: block; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px 14px 44px; cursor: pointer; background: #fff; }
.choice input { position: absolute; left: 16px; top: 17px; accent-color: var(--accent); width: 18px; height: 18px; margin: 0; }
.choice b { display: block; color: var(--ink); }
.choice span { color: var(--muted); font-size: .9rem; }
.choice:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); background: var(--accent-soft); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 8px; padding: 8px 14px; font: inherit; font-weight: 600; font-size: .95rem; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: #b9bfcb; color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; padding: 12px 22px; font-size: 1rem; }
.btn.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn.small { padding: 5px 10px; font-size: .85rem; }
.btn input[type=file] { display: none; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 8px; }
.terms { color: var(--muted); font-size: .9rem; margin: 0; max-width: 560px; }

/* results */
.banner { border-radius: var(--radius); padding: 16px 18px; margin-bottom: 22px; border: 1px solid; }
.banner.ok { background: var(--good-bg); border-color: #b9e2c8; color: #0f5a2e; }
.banner.err { background: var(--bad-bg); border-color: #f3c3be; color: #8d1f14; }
.banner strong { display: block; margin-bottom: 2px; }
dl.facts-table { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0 0 18px; }
dl.facts-table dt { color: var(--muted); }
dl.facts-table dd { margin: 0; word-break: break-word; }
.mono { font-family: var(--mono); font-size: .9rem; }
.badge { display: inline-block; font-weight: 700; font-size: .85rem; letter-spacing: .05em; border-radius: 6px; padding: 3px 10px; }
.badge.good { background: var(--good-bg); color: var(--good); }
.badge.revoked { background: var(--bad-bg); color: var(--bad); }
.badge.unknown { background: var(--unk-bg); color: var(--unk); }
.badge.notissued { background: var(--warn-bg); color: var(--warn); }
.tag-expired { color: var(--bad); font-weight: 600; margin-left: 6px; }

.code { position: relative; margin: 10px 0 0; }
.code pre { margin: 0; background: var(--ink); color: #e8eaf0; border-radius: var(--radius); padding: 16px 18px; overflow-x: auto;
  font-size: 12.5px; line-height: 1.5; max-height: 460px; }
.code .copy { position: absolute; top: 10px; right: 10px; background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.25); }
.code .copy:hover { background: rgba(255,255,255,.2); color: #fff; }

.guide { margin-top: 28px; }
.guide p { margin: 0 0 10px; color: var(--ink-2); }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }

footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-top: 18px; padding-bottom: 28px; }

@media (max-width: 600px) {
  .card { padding: 20px 16px; }
  .step { grid-template-columns: 1fr; }
  .step .num { margin-bottom: 6px; }
  dl.facts-table { grid-template-columns: 1fr; gap: 0; }
  dl.facts-table dd { margin-bottom: 8px; }
  .pill { display: none; }
}
.mt { margin-top: 20px; }
details.ca.dragover { border-color: var(--accent); background: var(--accent-soft); }
.code pre code { background: none; padding: 0; border-radius: 0; color: inherit; font-size: inherit; }
.code pre { padding-top: 44px; }