:root{
  --red:#e31b23;
  --orange:#f36b2a;
  --green:#16a34a;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --bg:#f8fafc;
  --white:#fff;
  --shadow:0 20px 60px rgba(15,23,42,.12);
  --radius:24px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--red);text-decoration:none}a:hover{text-decoration:underline}
.public-page{min-height:100vh;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at top left,rgba(243,107,42,.16),transparent 32%),radial-gradient(circle at bottom right,rgba(22,163,74,.14),transparent 34%),var(--bg)}
.hero-card{position:relative;width:min(520px,100%);background:var(--white);border:1px solid rgba(226,232,240,.9);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px;overflow:hidden;text-align:left}
.color-strip{position:absolute;inset:0 0 auto 0;height:9px;background:linear-gradient(90deg,var(--orange) 0 34%,var(--green) 34% 66%,var(--red) 66% 100%)}
.logo{width:150px;height:auto;display:block;margin:0 0 22px}.brand.small img{width:76px}.brand.small{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--ink);font-size:19px;margin-bottom:22px;text-decoration:none}.brand.small span{letter-spacing:.2px}
h1{font-size:34px;line-height:1.1;margin:0 0 12px}.eyebrow{text-transform:uppercase;color:var(--red);font-weight:800;font-size:13px;letter-spacing:.1em;margin:0 0 8px}.muted{color:var(--muted);line-height:1.6}.form{display:grid;gap:16px;margin-top:20px}.form label{font-weight:700;font-size:14px;color:#334155;display:grid;gap:8px}.form input,.toolbar input,.toolbar select{height:48px;border:1px solid var(--line);border-radius:14px;padding:0 14px;font-size:15px;background:#fff;outline:none}.form input:focus,.toolbar input:focus,.toolbar select:focus{border-color:var(--red);box-shadow:0 0 0 4px rgba(227,27,35,.08)}.form .check{display:flex;align-items:center;gap:8px}.form .check input{width:18px;height:18px}.form-actions{display:flex;gap:12px;align-items:center}
.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;border-radius:14px;border:0;padding:0 18px;font-weight:800;cursor:pointer;font-size:14px;text-decoration:none}.btn.primary{background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;box-shadow:0 12px 26px rgba(227,27,35,.22)}.btn.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn:hover{text-decoration:none;filter:brightness(.98)}
.alert{border-radius:14px;padding:12px 14px;margin:16px 0;font-weight:700}.alert.error{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}.alert.success{background:#ecfdf5;color:#047857;border:1px solid #bbf7d0}.thanks{text-align:center}.thanks .logo{margin-left:auto;margin-right:auto}.success-icon{width:76px;height:76px;border-radius:999px;background:#dcfce7;color:var(--green);display:grid;place-items:center;font-size:42px;font-weight:900;margin:8px auto 18px}.success-icon.warn{background:#fff7ed;color:var(--orange)}.login-card{max-width:460px}
.admin-shell{min-height:100vh;display:grid;grid-template-columns:280px minmax(0,1fr)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:24px;position:sticky;top:0;height:100vh}.sidebar nav{display:grid;gap:8px}.sidebar nav a{color:#334155;padding:12px 14px;border-radius:14px;font-weight:800}.sidebar nav a:hover{background:#f1f5f9;text-decoration:none}.admin-main{padding:32px;min-width:0}.admin-main h1{font-size:32px}.admin-main.narrow{max-width:760px}.page-head,.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:20px 0}.stat-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.06);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:var(--red)}.stat-card.green:before{background:var(--green)}.stat-card.orange:before{background:var(--orange)}.stat-card span{color:var(--muted);font-weight:800}.stat-card strong{display:block;font-size:42px;margin-top:8px}.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.06);overflow:auto}.toolbar{display:flex;gap:12px;margin-bottom:18px}.toolbar input{min-width:300px}.toolbar select{min-width:160px}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:12px;text-transform:uppercase;color:#64748b;letter-spacing:.08em;background:#f8fafc}.badge{display:inline-flex;border-radius:999px;padding:6px 10px;font-weight:900;font-size:12px}.badge.ok{background:#dcfce7;color:#047857}.badge.off{background:#f1f5f9;color:#64748b}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.actions form{display:inline}.actions button{border:1px solid var(--line);border-radius:10px;background:#fff;padding:7px 10px;cursor:pointer;font-weight:800;color:#334155}.actions button.danger{color:#be123c;border-color:#fecdd3;background:#fff1f2}.qr-panel{text-align:center}.qr-box{display:inline-grid;place-items:center;width:300px;height:300px;border-radius:24px;background:#fff;border:1px dashed #cbd5e1;margin:18px auto}.qr-box img{border-radius:12px}code{background:#f1f5f9;border:1px solid var(--line);padding:5px 8px;border-radius:8px;color:#334155;word-break:break-all}
@media (max-width:900px){.admin-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.stats-grid{grid-template-columns:1fr}.page-head,.panel-head,.toolbar{align-items:stretch;flex-direction:column}.toolbar input,.toolbar select{min-width:0;width:100%}.admin-main{padding:20px}.hero-card{padding:28px}.actions{min-width:220px}}
@media print{.sidebar,.btn{display:none!important}.admin-shell{display:block}.admin-main{padding:0}.panel{box-shadow:none;border:0}.qr-box{border:0}}