:root{
  --navy:#071B44;
  --blue:#0C63FF;
  --blue2:#2F80FF;
  --ink:#10203A;
  --muted:#6B7890;
  --line:#E6EAF0;
  --bg:#F5F8FC;
  --white:#fff;
  --green:#0FA958;
  --red:#D33A4A;
  --amber:#B66A00;
  --shadow:0 12px 35px rgba(7,27,68,.12);
  --radius:20px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input{font:inherit}
button{cursor:pointer}
a{text-decoration:none;color:inherit}
.hidden{display:none!important}
#app{min-height:100vh}
.boot-screen,.login-wrap{min-height:100vh;display:grid;place-items:center;text-align:center;padding:24px}
.brand-mark{width:54px;height:54px;border-radius:16px;background:linear-gradient(145deg,var(--blue),#48A1FF);display:grid;place-items:center;color:white;font-size:28px;font-weight:800;box-shadow:var(--shadow);margin:auto}
.login-card{width:min(430px,100%);background:white;border-radius:28px;padding:30px;box-shadow:var(--shadow);text-align:left}
.login-card h1{margin:18px 0 6px;font-size:28px}
.login-card p{margin:0 0 22px;color:var(--muted)}
label{display:block;font-size:13px;font-weight:700;margin:14px 0 7px}
input{width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:14px;background:white;outline:none}
input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(12,99,255,.10)}
.btn{border:0;border-radius:14px;padding:14px 18px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-primary{background:var(--blue);color:#fff}
.btn-secondary{background:#EDF3FF;color:var(--blue)}
.btn-danger{background:#FFF0F2;color:var(--red)}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}
.app-shell{min-height:100vh}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:1200px;margin:auto;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.brand .brand-mark{width:40px;height:40px;border-radius:12px;font-size:20px;margin:0}
.brand-title{font-weight:850}
.brand-sub{font-size:12px;color:var(--muted)}
.userbox{display:flex;align-items:center;gap:10px}
.user-meta{text-align:right}
.user-meta strong{display:block;font-size:13px}
.user-meta span{font-size:11px;color:var(--muted)}
.main{max-width:1200px;margin:auto;padding:24px 18px 50px}
.hero{background:linear-gradient(135deg,var(--navy),#0B3A87);border-radius:28px;padding:28px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-80px;top:-110px;background:rgba(255,255,255,.08)}
.hero h1{margin:0 0 8px;font-size:clamp(28px,5vw,44px)}
.hero p{margin:0;color:#DDE8FF}
.grid-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.action-card{background:white;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 8px 24px rgba(7,27,68,.07);transition:.18s}
.action-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.action-icon{font-size:30px}
.action-card h3{margin:14px 0 6px}
.action-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}
.section{margin-top:24px}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.section-head h2{margin:0;font-size:22px}
.card{background:white;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 8px 22px rgba(7,27,68,.06)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:white;border:1px solid var(--line);border-radius:20px;padding:18px}
.stat span{display:block;color:var(--muted);font-size:12px;font-weight:700}
.stat strong{display:block;margin-top:7px;font-size:30px}
.search-row{display:flex;gap:10px}
.search-row input{flex:1}
.results{margin-top:14px;display:grid;gap:10px}
.result{border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.result h4{margin:0 0 5px}
.result p{margin:2px 0;color:var(--muted);font-size:13px}
.pill{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;font-size:11px;font-weight:800}
.pill-green{background:#E8F8EF;color:var(--green)}
.pill-grey{background:#F0F2F6;color:#58657A}
.pill-amber{background:#FFF5E6;color:var(--amber)}
.attendee-card{max-width:620px;margin:20px auto}
.status-banner{padding:14px 16px;border-radius:14px;font-weight:800;margin-bottom:18px}
.status-ok{background:#E9F9EF;color:var(--green)}
.status-warn{background:#FFF4E6;color:var(--amber)}
.detail-list{display:grid;gap:14px}
.detail{border-bottom:1px solid var(--line);padding-bottom:12px}
.detail:last-child{border-bottom:0}
.detail span{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-bottom:5px}
.detail strong{font-size:18px}
.scanner-wrap{max-width:620px;margin:auto}
#reader{background:white;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.notice{padding:12px 14px;border-radius:12px;background:#EEF4FF;color:#285BA7;font-size:13px;line-height:1.5}
.error{padding:12px 14px;border-radius:12px;background:#FFF0F2;color:var(--red);font-size:13px;margin-top:12px}
.success{padding:12px 14px;border-radius:12px;background:#E9F9EF;color:var(--green);font-size:13px;margin-top:12px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:white}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);font-size:13px}
th{background:#F8FAFD;color:#5B6880;font-size:11px;text-transform:uppercase;letter-spacing:.04em}
.back{display:inline-flex;gap:7px;align-items:center;color:var(--blue);font-weight:800;margin-bottom:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.toast{position:fixed;right:18px;bottom:18px;z-index:99;background:var(--navy);color:white;padding:13px 16px;border-radius:14px;box-shadow:var(--shadow);max-width:330px}
.small{font-size:12px;color:var(--muted)}
@media(max-width:820px){
  .grid-actions,.stats{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .grid-actions,.stats,.form-grid{grid-template-columns:1fr}
  .topbar-inner{align-items:flex-start}
  .user-meta{display:none}
  .main{padding:16px 14px 40px}
  .hero{padding:22px}
  .search-row{flex-direction:column}
  .result{align-items:flex-start;flex-direction:column}
  .result .btn{width:100%}
}