/* Tokens lifted from ethicbizz.org */
:root {
  --bg: #fff;
  --fg: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --card: #f8f9fb;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --primary-soft: #f0fdfa;
  --danger: #ef4444;
  --danger-soft: #fef2f2;
  --radius: .5rem;
}
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--fg);
  font: 16px/1.55 "Geist", system-ui, sans-serif;
}
main { flex: 1; }
a { color: var(--primary); }
img { max-width: 100%; }
.wrap { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.mono { font-family: "Geist Mono", ui-monospace, monospace; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.accent { background: linear-gradient(90deg, var(--primary), #14b8a6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { margin: 0 0 .25rem; color: var(--primary); font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }

/* Header / footer */
.topbar { position: sticky; top: 0; z-index: 5; background: rgb(255 255 255 / .85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.brand img { display: block; height: 40px; width: auto; }
.topbar-tag { font-size: .8rem; font-weight: 600; color: var(--primary); background: var(--primary-soft); border: 1px solid #ccfbf1; padding: .25rem .7rem; border-radius: 999px; }
.foot { border-top: 1px solid var(--border); background: var(--card); color: var(--muted); font-size: .85rem; margin-top: 48px; }
.foot-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 20px 16px; }
.foot a { color: var(--muted); }

/* Buttons & inputs */
.btn, .btn-ghost, .btn-danger {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600; font-size: .95rem; text-decoration: none; cursor: pointer;
  padding: .6rem 1.1rem; border-radius: var(--radius); border: 1px solid transparent; transition: background .15s, border-color .15s;
}
.btn { background: var(--primary); color: #fff; }
.btn:hover { background: var(--primary-dark); }
.btn-ghost { background: #fff; color: var(--fg); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: #fff; color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: var(--danger-soft); }
.btn-sm { padding: .3rem .65rem; font-size: .82rem; }
input, select, textarea {
  width: 100%; font: inherit; color: var(--fg); background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: .6rem .75rem; margin-top: 4px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: 1px; background: #fff; }
label { display: block; font-weight: 600; font-size: .9rem; }
.hint { font-weight: 400; color: var(--muted); }

/* Public verify page */
.verify-main { padding-top: 40px; max-width: 820px; }
.hero { text-align: center; padding: 48px 0 24px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin: .25rem 0 .75rem; font-weight: 800; letter-spacing: -.02em; }
.lead { color: var(--muted); font-size: 1.1rem; margin: 0 auto 28px; max-width: 520px; }
.lookup { display: flex; gap: 8px; max-width: 480px; margin: 0 auto; }
.lookup input { margin: 0; font-family: "Geist Mono", ui-monospace, monospace; text-transform: uppercase; }
.banner { display: flex; gap: 14px; align-items: flex-start; text-align: left; padding: 16px 18px; border-radius: 12px; margin: 0 auto 20px; border: 1px solid; }
.banner svg { flex: none; }
.banner strong { display: block; font-size: 1.05rem; }
.banner span { font-size: .92rem; }
.banner-ok { background: var(--primary-soft); border-color: #99f6e4; color: var(--primary-dark); }
.banner-bad { background: var(--danger-soft); border-color: #fecaca; color: #991b1b; max-width: 560px; }
.banner-bad a { color: inherit; }
.cert-card { display: grid; grid-template-columns: 220px 1fr; gap: 28px; padding: 28px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 10px 30px -18px rgb(15 118 110 / .35); margin-bottom: 20px; }
.cert-photo img, .photo-empty { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 12px; border: 4px solid #fff; box-shadow: 0 0 0 1px var(--border); display: block; }
.photo-empty { display: grid; place-items: center; font-size: 4rem; font-weight: 800; color: var(--primary); background: var(--primary-soft); }
.cert-name { font-size: clamp(1.6rem, 4vw, 2.2rem); margin: 0; line-height: 1.2; letter-spacing: -.01em; }
.cert-course { font-size: 1.1rem; font-weight: 600; color: var(--primary); margin: .25rem 0 1.25rem; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin: 0; }
.facts dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.facts dd { margin: 2px 0 0; font-weight: 600; }
.remarks { margin: 1.25rem 0 0; padding: 12px 14px; background: #fff; border-left: 3px solid var(--primary); border-radius: 4px; font-size: .95rem; }

/* Admin */
.admin-main { padding-top: 28px; }
.panel { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px; margin-bottom: 20px; }
.panel-narrow { max-width: 440px; margin-left: auto; margin-right: auto; }
.panel-title { margin: 0 0 14px; font-size: 1.2rem; }
.stack { display: grid; gap: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.span-2 { grid-column: 1 / -1; }
.row-gap { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.flash { padding: 12px 16px; border-radius: var(--radius); font-weight: 600; }
.flash-ok { background: var(--primary-soft); color: var(--primary-dark); border: 1px solid #99f6e4; }
.flash-err { background: var(--danger-soft); color: #991b1b; border: 1px solid #fecaca; }
.dash-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.dash-head h1 { margin: 0; font-size: 1.6rem; }
.dash-actions { display: flex; gap: 8px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.stats div { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; color: var(--muted); font-size: .85rem; }
.stats span { display: block; font-size: 1.6rem; font-weight: 800; color: var(--fg); }
.search { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; }
.search input { margin: 0; }
.table-scroll { overflow-x: auto; }
.list { width: 100%; border-collapse: collapse; font-size: .92rem; }
.list th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: 8px; border-bottom: 1px solid var(--border); }
.list td { padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 50%; display: block; }
.actions { display: flex; gap: 6px; justify-content: flex-end; }
.pill { font-size: .75rem; font-weight: 700; padding: .15rem .6rem; border-radius: 999px; }
.pill-valid { background: var(--primary-soft); color: var(--primary); }
.pill-revoked { background: var(--danger-soft); color: var(--danger); }
dialog { border: 1px solid var(--border); border-radius: 16px; padding: 22px; max-width: min(92vw, 420px); text-align: center; }
dialog::backdrop { background: rgb(15 23 42 / .5); }
#qr-canvas { width: 100%; max-width: 300px; height: auto; display: block; margin: 0 auto; }
#qr-url { word-break: break-all; color: var(--muted); }
dialog .row-gap { justify-content: center; }

@media (max-width: 640px) {
  .cert-card { grid-template-columns: 1fr; padding: 20px; }
  .cert-photo { max-width: 200px; margin: 0 auto; }
  .facts, .form-grid { grid-template-columns: 1fr; }
  .topbar-tag { display: none; }
  .lookup { flex-direction: column; }
  .list thead { display: none; }
  .list tr { display: grid; grid-template-columns: 52px 1fr; gap: 4px 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
  .list td { border: 0; padding: 0; }
  .list td:first-child { grid-row: span 4; }
  .actions { justify-content: flex-start; }
}
@media print {
  .topbar-tag, .foot, .verify-main > p { display: none; }
  .cert-card { box-shadow: none; }
}