:root{
  --bg:#f4f7fb;
  --surface:#ffffff;
  --surface-2:#f9fbff;
  --text:#122033;
  --muted:#5f6f86;
  --line:#d9e2ef;
  --primary:#1457d4;
  --primary-2:#0d47b8;
  --success:#117a47;
  --warning:#b76b00;
  --danger:#b42318;
  --shadow:0 12px 30px rgba(15,23,42,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#eff4fb 0%,#f8fbff 100%);
}
a{text-decoration:none;color:var(--primary)}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.93);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:700}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#5a8ef6);color:#fff;box-shadow:var(--shadow)}
.nav{display:flex;flex-wrap:wrap;gap:14px}
.nav a{color:#334155;font-weight:600}
.page{padding:28px 0 44px}
.hero{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:stretch}
.card,.stat,.sidebar-card,.scanner-card,.pass-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.card{padding:24px}
.hero-copy h1{font-size:40px;line-height:1.08;margin:0 0 12px}
.hero-copy p{font-size:17px;color:var(--muted);margin:0 0 18px}
.hero-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
.pill{background:var(--surface-2);border:1px solid var(--line);padding:12px 14px;border-radius:14px;font-weight:600}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:14px;padding:12px 16px;cursor:pointer;
  background:var(--primary);color:#fff;font-weight:700
}
.btn:hover{background:var(--primary-2)}
.btn-secondary{background:#334155}
.btn-success{background:var(--success)}
.btn-warning{background:var(--warning)}
.btn-danger{background:var(--danger)}
.btn-light{background:#eef3fb;color:#143355}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.stat{padding:20px}
.stat-label{color:var(--muted);font-size:14px;margin-bottom:10px}
.stat-value{font-size:30px;font-weight:700}
.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}
.section-title h2,.section-title h1,.card h2,.card h3{margin:0}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table th{font-size:13px;color:#52627b;background:#f7faff}
.badge{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;font-weight:700;font-size:12px}
.badge-success{background:#e8f7ef;color:#0c6b3c}
.badge-danger{background:#fdeceb;color:#a3271d}
.badge-warning{background:#fff4df;color:#8a5a00}
.badge-neutral{background:#eef4fb;color:#264567}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-group{display:grid;gap:7px}
.form-group label{font-weight:700;font-size:14px}
.input,.select,.textarea{
  width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text)
}
.textarea{min-height:110px;resize:vertical}
.alert{padding:14px 16px;border-radius:14px;margin-bottom:16px;font-weight:700}
.alert-success{background:#e9f8ef;color:#106b3d}
.alert-error{background:#fdeceb;color:#a3281d}
.alert-warning{background:#fff4df;color:#8b5c00}
.alert-info{background:#edf5ff;color:#124c9b}
.footer{border-top:1px solid var(--line);background:#fff}
.footer-inner{display:flex;justify-content:space-between;gap:16px;padding:18px 0;color:var(--muted)}
.admin-shell{display:grid;grid-template-columns:270px 1fr;gap:18px}
.sidebar{display:grid;gap:16px;align-content:start}
.sidebar-card{padding:18px}
.sidebar-title{font-size:14px;color:var(--muted);margin-bottom:8px}
.sidebar-user{font-weight:700}
.sidebar-nav{display:grid;gap:10px}
.sidebar-nav a{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:14px;color:#1e3350;font-weight:700}
.content{display:grid;gap:18px}
.kpi{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.login-wrap{min-height:70vh;display:grid;place-items:center}
.login-card{width:min(460px,100%)}
.scanner-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.scanner-card{padding:20px}
#reader{width:100%;min-height:320px;border:2px dashed #bfd0e8;border-radius:16px;overflow:hidden;background:#f7fbff}
.result-screen{padding:24px;border-radius:18px;border:1px solid var(--line);min-height:280px;display:grid;align-content:start;gap:12px;background:#fff}
.result-status{font-size:28px;font-weight:800}
.result-success{background:#e8f8ef;border-color:#b7e3ca}
.result-danger{background:#fdeceb;border-color:#f2c2bd}
.result-warning{background:#fff4df;border-color:#f1d89d}
.pass-wrap{display:grid;place-items:center;padding:18px 0}
.pass-card{padding:26px;max-width:480px;width:100%;text-align:center}
.qr-box{display:grid;place-items:center;padding:18px;border:1px dashed var(--line);border-radius:16px;background:#fbfdff}
.muted{color:var(--muted)}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
code{background:#eef3fb;padding:3px 6px;border-radius:6px}
@media (max-width: 980px){
  .hero,.scanner-grid,.admin-shell,.kpi,.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}
  .nav{display:none}
}