:root {
  --ink: #1b2430; --muted: #5f6b7a; --line: #dde3ea; --bg: #f4f6f9; --card: #fff;
  --brand: #0f4c81; --brand-ink: #fff; --ok: #1d7a46; --bad: #b42318;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.5; }
a { color: var(--brand); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 24px; padding-bottom: 48px; min-height: 70vh; }

/* Header / footer */
.site-header { background: var(--brand); color: var(--brand-ink); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand img { height: 48px; width: auto; background: #fff; border-radius: 50%; padding: 2px; }
.brand strong { display: block; font-size: 1.1rem; }
.brand small { opacity: .85; }
.admin-nav a { color: #fff; margin-left: 16px; text-decoration: none; font-weight: 500; }
.site-footer { border-top: 1px solid var(--line); padding: 20px 0; color: var(--muted); font-size: .9rem; background: #fff; }
.site-footer p { margin: 4px 0; }

/* Generic */
h1 { font-size: 1.6rem; margin: 0 0 12px; }
.hero { text-align: center; margin-bottom: 20px; }
.hero p { color: var(--muted); margin: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.narrow { max-width: 420px; margin: 0 auto 20px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.break { word-break: break-all; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.alert { background: #fdecea; color: var(--bad); border: 1px solid #f5c2bd; padding: 10px 14px; border-radius: 8px; }
.notice { background: #e8f5ee; color: var(--ok); border: 1px solid #b7e0c8; padding: 10px 14px; border-radius: 8px; }

/* Forms */
label { display: block; font-weight: 500; font-size: .9rem; margin-bottom: 12px; }
input, select { width: 100%; font: inherit; padding: 9px 11px; border: 1px solid var(--line); border-radius: 7px; margin-top: 4px; background: #fff; }
input:focus, select:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: var(--brand); }
label.check { display: flex; align-items: center; gap: 8px; }
label.check input { width: auto; margin: 0; }
button, .btn { font: inherit; font-weight: 600; background: var(--brand); color: #fff; border: 0; border-radius: 7px; padding: 10px 18px; cursor: pointer; text-decoration: none; display: inline-block; }
button.secondary { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
button.danger { background: var(--bad); }
button.link { background: none; color: var(--bad); padding: 4px 8px; font-size: 1.2rem; }
fieldset { border: 0; padding: 0; margin: 0 0 20px; }
legend { font-weight: 700; margin-bottom: 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 16px; }
.grid legend { grid-column: 1 / -1; }

.search { display: grid; grid-template-columns: 2fr 1fr 1.5fr auto; gap: 12px; align-items: end; }
.search label { margin: 0; }
@media (max-width: 700px) { .search { grid-template-columns: 1fr; } }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.filters input, .filters select { width: auto; flex: 1 1 160px; margin: 0; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; }
th { background: #f0f3f7; font-size: .85rem; }
.list { background: #fff; border: 1px solid var(--line); }
.actions a { margin-right: 10px; }
.subj td { padding: 4px; }
.subj input { margin: 0; }
.pager { margin-top: 16px; display: flex; gap: 6px; flex-wrap: wrap; }
.pager a { padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; text-decoration: none; background: #fff; }
.pager a.on { background: var(--brand); color: #fff; }

/* Result card */
.result-card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 24px; margin-bottom: 16px; }
.rc-head { display: flex; align-items: center; gap: 14px; border-bottom: 2px solid var(--brand); padding-bottom: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.rc-head h2 { margin: 0; font-size: 1.2rem; }
.rc-head p { margin: 0; color: var(--muted); }
.rc-logo { height: 56px; }
.badge { margin-left: auto; padding: 6px 12px; border-radius: 999px; font-weight: 600; font-size: .85rem; }
.badge.ok { background: #e8f5ee; color: var(--ok); border: 1px solid #b7e0c8; }
.rc-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 20px; margin: 0 0 16px; }
.rc-info dt { font-size: .8rem; color: var(--muted); }
.rc-info dd { margin: 0; font-weight: 600; }
.marks tfoot th { background: #f0f3f7; }
.rc-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-top: 16px; flex-wrap: wrap; }
.rc-foot p { margin: 2px 0; }
.status { font-size: 1.1rem; font-weight: 700; }
.status.pass { color: var(--ok); }
.status.fail { color: var(--bad); }
.qr img, .qr canvas { display: block; }
.qr-big { display: inline-block; padding: 12px; background: #fff; }
.verify-fail { border-color: #f5c2bd; text-align: center; }
.verify-fail h2 { color: var(--bad); }

@media print {
  body { background: #fff; }
  .no-print, .site-header, .site-footer { display: none !important; }
  main.wrap { padding: 0; }
  .result-card { border: 0; padding: 0; }
}

/* ---- Front page ---- */
.home-hero { text-align: center; padding: 40px 16px 32px; background: linear-gradient(180deg, #e9f0f8, var(--bg)); border-radius: 14px; margin-bottom: 24px; }
.home-hero h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin: 4px 0 8px; color: var(--brand); }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 600; color: var(--muted); margin: 0; }
.lead { font-size: 1.1rem; color: var(--muted); margin: 0 0 20px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.btn.big { padding: 13px 26px; font-size: 1.05rem; }
.btn.secondary { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.tile { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
.tile:hover { border-color: var(--brand); transform: translateY(-2px); }
.tile h2 { font-size: 1.1rem; margin: 8px 0 4px; color: var(--brand); }
.tile p { margin: 0; color: var(--muted); font-size: .92rem; }
.tile-icon { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 10px; background: #e9f0f8; font-size: 1.2rem; color: var(--brand); }
.home-cols { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
@media (max-width: 760px) { .home-cols { grid-template-columns: 1fr; } }
.sec-title { font-size: 1.15rem; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--brand); }
.notices { list-style: none; margin: 0; padding: 0; }
.notices li { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.notices li:last-child { border-bottom: 0; }
.n-date { flex: 0 0 92px; font-size: .82rem; color: var(--muted); padding-top: 2px; }
.tag { display: inline-block; background: var(--bad); color: #fff; font-size: .7rem; font-weight: 700; padding: 1px 6px; border-radius: 4px; margin-right: 6px; vertical-align: middle; }
.steps { margin: 0; padding-left: 20px; }
.steps li { margin-bottom: 10px; }
.faq { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; color: var(--muted); }
.contact-line { margin: 16px 0 0; font-size: .92rem; }
.qr-box { text-align: center; }
.code { font-family: ui-monospace, monospace; font-size: .72rem; letter-spacing: .03em; margin: 6px 0 0; color: var(--muted); max-width: 140px; }
.qr-big + .code, .card .code { max-width: none; }
.link-btn { background: none; color: var(--brand); padding: 0 6px; font-weight: 500; }
.danger-text { color: var(--bad); }