:root{
  --ink:#1c1c1c; --muted:#5f6368; --line:#d9d6cf; --paper:#ffffff; --bg:#f3f1ec;
  --accent:#1f3a5f; --accent-2:#2c5282; --ok:#1e7a46; --ok-bg:#e8f5ee; --err:#b3261e; --err-bg:#fdecea;
  --warn-bg:#fff7e0; --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent-2)}
.wrap{max-width:640px;margin:0 auto;padding:16px}
.wrap-wide{max-width:1200px;margin:0 auto;padding:16px}

/* ---- Slip header ---- */
.slip{background:var(--paper);border:2px solid var(--ink);border-radius:4px;padding:20px 18px;margin-top:8px}
.slip-head{text-align:center;border-bottom:2px solid var(--ink);padding-bottom:14px;margin-bottom:18px}
.slip-head h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(20px,5.6vw,30px);letter-spacing:.02em;margin:0 0 8px;text-transform:uppercase;line-height:1.15}
.pill{display:inline-block;background:var(--ink);color:#fff;border-radius:999px;padding:4px 18px;font-weight:600;letter-spacing:.06em;font-size:14px}
.logo{display:block;width:88px;height:88px;object-fit:contain;margin:0 auto 10px}
.success .logo{width:72px;height:72px}
.topbar .brand{display:inline-flex;align-items:center;gap:10px}
.brand-logo{width:34px;height:34px;object-fit:contain;background:#fff;border-radius:50%;padding:2px}
.qr-poster .logo{width:110px;height:110px}
.program{margin:10px 0 0;font-family:Georgia,serif;font-style:italic;color:var(--muted)}

/* ---- Form ---- */
.field{margin-bottom:16px}
.field > label,.legend{display:block;font-family:Georgia,"Times New Roman",serif;font-weight:700;margin-bottom:6px}
.req{color:var(--err)}
.hint{font-size:13px;color:var(--muted);margin-top:4px}
input[type=text],input[type=tel],input[type=email],input[type=password],input[type=date],input[type=url],select,textarea{
  width:100%;font:inherit;padding:11px 12px;border:1px solid #bdb9b0;border-radius:8px;background:#fff;color:var(--ink)}
textarea{min-height:76px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-2);outline-offset:1px;border-color:var(--accent-2)}
.row{display:grid;grid-template-columns:110px 1fr;gap:10px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:480px){.row2{grid-template-columns:1fr}}
.choices{display:flex;flex-wrap:wrap;gap:8px}
.choice{position:relative}
.choice input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.choice span{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid #bdb9b0;border-radius:999px;background:#fff;font-size:15px}
.choice span::before{content:"";width:14px;height:14px;border:2px solid var(--ink);border-radius:3px;background:#fff}
.choice input:checked + span{background:var(--accent);border-color:var(--accent);color:#fff}
.choice input:checked + span::before{background:#fff;box-shadow:inset 0 0 0 3px var(--accent)}
.choice input:focus-visible + span{outline:2px solid var(--accent-2);outline-offset:2px}
.btn{display:inline-block;font:inherit;font-weight:600;border:0;border-radius:8px;padding:12px 18px;background:var(--accent);color:#fff;cursor:pointer;text-decoration:none;text-align:center}
.btn:hover{background:var(--accent-2)}
.btn-block{display:block;width:100%;font-size:17px;padding:14px}
.btn-light{background:#fff;color:var(--ink);border:1px solid #bdb9b0}
.btn-light:hover{background:#f4f2ee}
.btn-green{background:var(--ok)} .btn-green:hover{background:#17663a}
.btn-red{background:var(--err)} .btn-red:hover{background:#8f1d17}
.btn-sm{padding:6px 10px;font-size:13px}

.alert{border-radius:8px;padding:12px 14px;margin-bottom:16px}
.alert ul{margin:6px 0 0 18px;padding:0}
.alert-err{background:var(--err-bg);color:var(--err);border:1px solid #f3c1bd}
.alert-ok{background:var(--ok-bg);color:var(--ok);border:1px solid #b7e0c6}
.alert-warn{background:var(--warn-bg);color:#7a5a00;border:1px solid #f0dc9c}
.foot{text-align:center;color:var(--muted);font-size:13px;margin:18px 0}

.success{text-align:center}
.success .tick{width:64px;height:64px;border-radius:50%;background:var(--ok);color:#fff;font-size:36px;line-height:64px;margin:0 auto 10px}
.regno{font-family:ui-monospace,Consolas,monospace;font-size:24px;font-weight:700;letter-spacing:.04em;border:2px dashed var(--ink);display:inline-block;padding:6px 14px;margin:8px 0 14px}

/* ---- Admin ---- */
.topbar{background:var(--ink);color:#fff}
.topbar .wrap-wide{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;padding-top:12px;padding-bottom:12px}
.topbar .brand{font-family:Georgia,serif;font-weight:700;margin-right:auto}
.topbar a{color:#fff;text-decoration:none;opacity:.85}
.topbar a:hover,.topbar a.active{opacity:1;text-decoration:underline}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.card h2{margin:0 0 12px;font-size:18px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.stat b{display:block;font-size:28px;line-height:1.1}
.stat span{color:var(--muted);font-size:13px}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.filters .f{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.filters input,.filters select{padding:8px 10px;min-width:140px}
.quick{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:16px;align-items:start}
.layout > *{min-width:0}
@media (max-width:900px){.layout{grid-template-columns:1fr}}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;font-size:14px;background:#fff}
th,td{padding:8px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top;white-space:nowrap}
th{background:#f6f4ef;position:sticky;top:0}
td.wrapcell{white-space:normal;min-width:180px}
tr:hover td{background:#fafaf7}
.days td,.days th{white-space:nowrap;padding:6px 6px}
.pager{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.pager a,.pager span{padding:6px 10px;border:1px solid var(--line);border-radius:6px;background:#fff;text-decoration:none;font-size:14px}
.pager .cur{background:var(--accent);color:#fff;border-color:var(--accent)}
.muted{color:var(--muted)}
.login{max-width:380px;margin:8vh auto}

/* ---- QR poster ---- */
.qr-poster{text-align:center}
.qr-poster canvas{width:min(320px,80vw);height:auto;image-rendering:pixelated;border:1px solid var(--line)}
.qr-url{font-family:ui-monospace,Consolas,monospace;word-break:break-all;font-size:15px}
@media print{
  .no-print,.topbar{display:none!important}
  body{background:#fff}
  .card{border:0}
  .qr-poster canvas{width:12cm;border:0}
  .qr-poster .logo{width:3.2cm;height:3.2cm}
  .qr-poster h1{font-size:30px}
}