:root{
  --auth-primary:#0077b6;
  --auth-primary-dark:#005f8f;
  --auth-bg:#eaf8fb;
  --auth-card:#ffffff;
  --auth-text:#17324d;
  --auth-muted:#607284;
  --auth-border:#d8edf4;
  --auth-danger:#b42318;
  --auth-ok:#157347;
  --auth-shadow:0 16px 40px rgba(15,68,96,.13);
}
*{box-sizing:border-box}
body.auth-body{margin:0;min-height:100vh;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(145deg,#e7f8fc,#fff);color:var(--auth-text)}
.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card,.auth-panel{background:var(--auth-card);border:1px solid var(--auth-border);border-radius:24px;box-shadow:var(--auth-shadow)}
.auth-card{width:min(430px,100%);padding:30px}
.auth-card h1,.auth-admin-header h1{margin:10px 0 8px;font-size:34px;line-height:1.05}
.auth-muted{color:var(--auth-muted);margin-top:0;line-height:1.45}.auth-badge{display:inline-flex;gap:8px;align-items:center;background:#f2fbfd;border:1px solid var(--auth-border);padding:8px 12px;border-radius:999px;font-weight:700;color:var(--auth-primary-dark)}
.auth-form,.auth-grid-form{display:grid;gap:14px}.auth-form label,.auth-grid-form label{display:grid;gap:6px;font-weight:700}.auth-form input,.auth-grid-form input,.auth-grid-form select,.auth-table input,.auth-table select{width:100%;border:1px solid var(--auth-border);border-radius:14px;padding:12px;font:inherit;background:#fff;color:var(--auth-text)}
.auth-btn{border:0;border-radius:14px;padding:12px 16px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#edf8fb;color:var(--auth-primary-dark)}
.auth-btn:hover{filter:brightness(.98)}.auth-btn-primary{background:var(--auth-primary);color:#fff}.auth-btn-primary:hover{background:var(--auth-primary-dark)}.auth-btn.small{padding:8px 10px;border-radius:10px;font-size:14px}.auth-btn.danger{background:#fff1f0;color:var(--auth-danger)}.auth-btn:disabled{opacity:.45;cursor:not-allowed}
.auth-alert,.auth-message{border-radius:14px;padding:12px 14px;margin:12px 0;font-weight:700}.auth-alert-error,.auth-message.error{background:#fff1f0;color:var(--auth-danger);border:1px solid #ffd3cf}.auth-message.ok{background:#ecfdf3;color:var(--auth-ok);border:1px solid #bbf7d0}.auth-hint{font-size:14px;color:var(--auth-muted);margin-bottom:0}
.auth-admin-shell{width:min(1120px,100%);margin:0 auto;padding:24px}.auth-admin-header{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px}.auth-nav{display:flex;gap:10px;flex-wrap:wrap}.auth-nav a{background:#fff;border:1px solid var(--auth-border);border-radius:999px;padding:10px 14px;color:var(--auth-primary-dark);text-decoration:none;font-weight:800}.auth-panel{padding:22px;margin-bottom:18px}.auth-panel h2{margin:0 0 14px}.auth-grid-form{grid-template-columns:repeat(5,minmax(0,1fr));align-items:end}.auth-table-wrap{overflow:auto}.auth-table{width:100%;border-collapse:separate;border-spacing:0 8px}.auth-table th{text-align:left;color:var(--auth-muted);font-size:14px;padding:6px 8px}.auth-table td{background:#fafdff;padding:8px;border-top:1px solid var(--auth-border);border-bottom:1px solid var(--auth-border)}.auth-table td:first-child{border-left:1px solid var(--auth-border);border-radius:14px 0 0 14px}.auth-table td:last-child{border-right:1px solid var(--auth-border);border-radius:0 14px 14px 0}.auth-actions{display:flex;gap:6px;flex-wrap:wrap}.auth-check{display:flex;align-items:center;gap:8px;font-weight:700}.auth-check input{width:auto}
@media(max-width:820px){.auth-admin-header{display:grid}.auth-grid-form{grid-template-columns:1fr}.auth-card{padding:22px}.auth-card h1,.auth-admin-header h1{font-size:28px}.auth-actions{min-width:230px}}