/* TeachBuddy AI certificates: public profile and verify pages (2026-11-06) */
:root {
  --blue: #2A9FD6; --blue-deep: #0F3D5C; --blue-tint: #E9F4FB; --blue-line: #BFE0F3; --blue-soft: #D7ECF8;
  --ink: #1B2430; --muted: #5B6672; --rule: #E3E8EC; --green: #1E8E5A; --green-tint: #E6F5EC; --warm: #C7432B; --warm-tint: #FBECE8;
  --font-display: "Quicksand", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
body.pub { margin: 0; background: #F4F8FB; color: var(--ink); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.5; }
a { color: var(--blue); }
.pub-top { background: linear-gradient(180deg, var(--blue-tint) 0, #F4F8FB 100%); padding: 22px 0 110px; }
.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.pub-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pub-nav img { height: 30px; }
.pub-nav a.site { color: var(--blue-deep); text-decoration: none; font-weight: 600; font-size: 14px; }

.card-p { background: #fff; border: 1px solid var(--blue-line); border-radius: 22px; margin-top: -80px; padding: 0 28px 28px; }
.card-head { display: flex; gap: 22px; align-items: flex-end; flex-wrap: wrap; padding-bottom: 20px; border-bottom: 1px solid var(--rule); }
.avatar { width: 128px; height: 128px; border-radius: 50%; object-fit: cover; border: 5px solid #fff; box-shadow: 0 6px 20px rgba(15,61,92,.15); margin-top: -48px; background: #fff; }
.card-head .who { flex: 1; min-width: 240px; padding-top: 14px; }
.card-head h1 { font-family: var(--font-display); font-weight: 700; color: var(--blue-deep); font-size: 30px; line-height: 1.1; margin: 0 0 4px; }
.card-head .prog { font-size: 17px; color: var(--ink); margin: 0; }
.card-head .meta { color: var(--muted); font-size: 14px; margin-top: 4px; }
.status { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; font-weight: 700; font-size: 14px; margin-top: 14px; }
.status.ok { background: var(--green-tint); color: var(--green); }
.status.bad { background: var(--warm-tint); color: var(--warm); }

.verify-box { margin-top: 22px; display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; background: var(--blue-tint); border-radius: 16px; padding: 18px 20px; }
.verify-box .eyebrow { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); font-weight: 700; }
.verify-box dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 8px 0 0; font-size: 14.5px; }
.verify-box dt { color: var(--muted); }
.verify-box dd { margin: 0; color: var(--ink); }
.verify-box .num { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; color: var(--blue-deep); font-size: 16px; }
.verify-box img.qr { width: 110px; height: 110px; border-radius: 10px; border: 1px solid var(--blue-line); background: #fff; }
.revoked-note { margin-top: 14px; background: var(--warm-tint); color: var(--warm); border-radius: 12px; padding: 12px 16px; font-weight: 600; }

.section { margin-top: 30px; }
.section h2 { font-family: var(--font-display); font-weight: 700; color: var(--blue-deep); font-size: 18px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.cert-frame { border: 1px solid var(--blue-line); border-radius: 16px; padding: 12px; background: #fff; box-shadow: 0 10px 30px rgba(15,61,92,.10); }
.cert-frame img { width: 100%; height: auto; display: block; border-radius: 8px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.btn-p { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 12px; font-weight: 700; text-decoration: none; font-size: 15px; border: 1px solid transparent; cursor: pointer; }
.btn-p.primary { background: var(--blue); color: #fff; }
.btn-p.primary:hover { background: #2389BD; }
.btn-p.linkedin { background: #0A66C2; color: #fff; }
.btn-p.linkedin:hover { background: #084F96; }
.btn-p.ghost { background: #fff; color: var(--blue-deep); border-color: var(--blue-line); }
.btn-p.ghost:hover { background: var(--blue-tint); }
.share-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.share-grid .tile { border: 1px solid var(--blue-line); border-radius: 16px; padding: 14px; background: #fff; }
.share-grid img { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--rule); }
.share-grid .tile b { display: block; margin: 10px 0 6px; color: var(--blue-deep); }
.caption { background: var(--blue-tint); border-radius: 12px; padding: 14px 16px; font-size: 15px; white-space: pre-wrap; }
.badge-row { display: flex; align-items: center; gap: 18px; }
.badge-row img { width: 140px; height: 140px; object-fit: contain; }
.issuer { color: var(--muted); font-size: 14px; }
.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.how div { background: var(--blue-tint); border-radius: 14px; padding: 14px 16px; font-size: 14.5px; }
.how b { display: block; color: var(--blue-deep); margin-bottom: 4px; }
.pub-foot { color: var(--muted); font-size: 13px; text-align: center; padding: 30px 0 40px; }
.pub-foot a { color: var(--muted); }

.lookup { background: #fff; border: 1px solid var(--blue-line); border-radius: 22px; padding: 34px; margin-top: -80px; }
.lookup h1 { font-family: var(--font-display); font-weight: 700; color: var(--blue-deep); margin: 0 0 6px; }
.lookup form { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.lookup input { flex: 1; min-width: 240px; border: 1px solid var(--blue-line); border-radius: 12px; padding: 12px 14px; font-size: 16px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.lookup .err { color: var(--warm); font-weight: 600; margin-top: 10px; }

@media (max-width: 760px) {
  .card-p { padding: 0 18px 20px; }
  .verify-box { grid-template-columns: 1fr; }
  .share-grid, .how { grid-template-columns: 1fr; }
  .card-head h1 { font-size: 24px; }
}
@media print {
  .pub-top, .actions, .section.share, .pub-foot, .how { display: none; }
  .card-p { border: none; margin: 0; }
}