:root{--brand:#1a7ff0;--ink:#0f172a;--muted:#64748b}
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink)}
body.admin-login-only{
  min-height:100vh;margin:0;
  display:flex;align-items:center;justify-content:center;
  padding:24px 16px;
  background:linear-gradient(145deg,#0b1220 0%,#132f4c 42%,#0ea5e9 160%);
  background-attachment:fixed;
}
/* HARD: never show dashboard shell classes even if somehow present in DOM */
body.admin-login-only .layout,
body.admin-login-only .side,
body.admin-login-only .side-nav,
body.admin-login-only .side-backdrop,
body.admin-login-only .main-wrap,
body.admin-login-only .topbar,
body.admin-login-only .hamburger{display:none!important;width:0!important;height:0!important;overflow:hidden!important}
.al-shell{width:100%;max-width:420px}
.al-brand{text-align:center;color:#fff;margin-bottom:22px}
.al-logo{font-size:1.85rem;font-weight:800;letter-spacing:-.03em}
.al-brand p{margin:6px 0 0;opacity:.8;font-size:14px}
.al-card{
  background:#fff;border-radius:18px;padding:28px 24px;
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.al-card h1{margin:0;font-size:1.4rem}
.al-sub{color:var(--muted);font-size:14px;margin:8px 0 18px}
.al-card label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-top:14px}
.al-card input{
  width:100%;padding:12px 14px;border:1.5px solid #e2e8f0;border-radius:12px;
  margin-top:6px;font-size:15px;
}
.al-card input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(26,127,240,.15)}
.al-pw{display:flex;gap:8px;align-items:stretch}
.al-pw input{flex:1}
.al-eye{
  border:1.5px solid #e2e8f0;background:#f8fafc;border-radius:12px;
  padding:0 14px;cursor:pointer;font-size:12px;font-weight:700;color:#475569;
}
.al-btn{
  width:100%;margin-top:20px;padding:13px;border:0;border-radius:12px;
  background:linear-gradient(135deg,#1a7ff0,#0ea5e9);color:#fff;
  font-size:15px;font-weight:700;cursor:pointer;
  box-shadow:0 8px 20px rgba(26,127,240,.35);
}
.al-btn:disabled{opacity:.7;cursor:wait}
.al-err{
  background:#fef2f2;color:#b91c1c;padding:12px 14px;border-radius:12px;
  margin-bottom:14px;font-size:14px;
}
.al-back{display:inline-block;margin-top:18px;color:#e2e8f0;font-size:13px;text-decoration:none;opacity:.85}