:root{
  --bg:#f4f5f7; --card:#fff; --ink:#1b1d22; --muted:#666b75; --line:#e3e5ea;
  --brand:#555989; --ok:#16794a; --ok-bg:#e8f6ee; --bad:#b42318; --bad-bg:#fdecea;
  --warn:#9a6700; --warn-bg:#fff6dd;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--brand)}
.wrap{max-width:720px;margin:0 auto;padding:0 16px}
.top{background:var(--card);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px;flex-wrap:wrap}
.brand img{height:44px;display:block}
.brand-text{font-weight:700;letter-spacing:.06em;color:var(--brand);text-decoration:none}
.brand{text-decoration:none}
.tag{font-size:13px;color:var(--muted)}
main.wrap{padding:28px 16px 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:18px}
.status{display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:10px;margin-bottom:20px}
.status p{margin:2px 0 0;color:var(--ink)}
.status strong{font-size:18px}
.status .icon{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:18px}
.status.valid{background:var(--ok-bg)} .status.valid .icon{background:var(--ok)} .status.valid strong{color:var(--ok)}
.status.revoked{background:var(--bad-bg)} .status.revoked .icon{background:var(--bad)} .status.revoked strong{color:var(--bad)}
.status.not_found{background:var(--warn-bg);margin:0} .status.not_found .icon{background:var(--warn)} .status.not_found strong{color:var(--warn)}
.details{margin:0;display:grid;gap:0}
.details div{display:grid;grid-template-columns:190px 1fr;gap:12px;padding:11px 0;border-top:1px solid var(--line)}
.details dt{color:var(--muted);font-size:13px;padding-top:1px}
.details dd{margin:0;font-weight:500}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
.stamp{margin:16px 0 0;font-size:12px;color:var(--muted)}
.note{font-size:13px;color:var(--muted);margin:0 4px 18px}
.lookup h1{font-size:18px;margin:0 0 4px}
.lookup p{margin:0 0 14px;color:var(--muted)}
form{display:flex;gap:8px;flex-wrap:wrap}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);width:100%}
form input[name=ref]{flex:1;min-width:200px;width:auto}
button,.btn{font:inherit;font-weight:600;padding:10px 18px;border:0;border-radius:8px;background:var(--brand);color:#fff;cursor:pointer;text-decoration:none;display:inline-block}
.btn.secondary{background:#fff;color:var(--brand);border:1px solid var(--line)}
.btn.danger{background:var(--bad)}
.foot{text-align:center;font-size:12px;color:var(--muted);padding:12px 16px 32px}
@media (max-width:560px){.details div{grid-template-columns:1fr;gap:2px}}

/* admin */
.admin main{max-width:1000px}
.admin .wrap{max-width:1000px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 8px;border-top:1px solid var(--line);vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.pill{font-size:12px;padding:2px 8px;border-radius:99px;font-weight:600}
.pill.valid{background:var(--ok-bg);color:var(--ok)} .pill.revoked{background:var(--bad-bg);color:var(--bad)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid label{display:block;font-size:13px;color:var(--muted)}
.grid label input,.grid label select{margin-top:4px}
.full{grid-column:1/-1}
.flash{padding:12px 14px;border-radius:8px;background:var(--ok-bg);color:var(--ok);margin-bottom:16px}
.flash.err{background:var(--bad-bg);color:var(--bad)}
.qrbox{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
#qr{background:#fff;padding:12px;border:1px solid var(--line);border-radius:8px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.row-actions a,.row-actions button{font-size:13px;padding:6px 10px}
@media (max-width:640px){.grid{grid-template-columns:1fr}.tbl-wrap{overflow-x:auto}}
.sec{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--brand);margin:22px 0 10px;padding-top:14px;border-top:1px solid var(--line)}
.sec:first-of-type{border-top:0;padding-top:0}
.hint{font-weight:400;color:var(--muted);font-size:12px}
.grid.inner{grid-template-columns:1fr 1fr;gap:10px}
.grid label.check{display:flex;gap:8px;align-items:flex-start;color:var(--ink);font-size:14px;padding-top:22px}
.grid label.check input{width:auto;margin:3px 0 0}
textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;width:100%;margin-top:4px;resize:vertical;line-height:1.5}
input:disabled{background:#f1f2f4;color:#999}