/* LuckyHub Auth — layout fiel ao mockup */
:root{
  --auth-bg:#070d1a;
  --auth-card:#0f1830;
  --auth-card-2:#0b1426;
  --auth-border:#1c2a44;
  --auth-fg:#e9f1ff;
  --auth-muted:#7a8aa6;
  --auth-blue:#39b6ff;
  --auth-blue-2:#7ed4ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--auth-bg);color:var(--auth-fg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;-webkit-font-smoothing:antialiased}
.auth-body{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;
  padding:48px 20px 24px;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(57,182,255,.18), transparent 60%),
    var(--auth-bg);}
.auth-shell{width:100%;max-width:520px;display:flex;flex-direction:column;gap:22px;align-items:stretch;flex:1}
.auth-logo{display:flex;align-items:center;gap:12px;color:var(--auth-fg);text-decoration:none;
  font-weight:800;font-size:22px;justify-content:center}
.auth-logo .logo-mark{width:44px;height:44px;border-radius:12px;
  background:linear-gradient(180deg,var(--auth-blue-2),var(--auth-blue));
  display:grid;place-items:center;color:#fff;font-size:22px;
  box-shadow:0 8px 24px rgba(57,182,255,.45)}

.auth-card{background:var(--auth-card);border:1px solid var(--auth-border);border-radius:18px;
  padding:24px;display:flex;flex-direction:column;gap:18px}

.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:var(--auth-card-2);
  border:1px solid var(--auth-border);border-radius:12px;padding:6px}
.auth-tabs a{display:block;text-align:center;padding:12px 8px;border-radius:9px;
  text-decoration:none;color:var(--auth-muted);font-weight:600;font-size:15px;transition:.2s}
.auth-tabs a.active{background:linear-gradient(180deg,var(--auth-blue-2),var(--auth-blue));
  color:#fff;box-shadow:0 6px 18px rgba(57,182,255,.35)}

.auth-card h1{margin:4px 0 0;font-size:28px;font-weight:800;letter-spacing:-.02em;color:#fff}
.auth-card p.sub{margin:-10px 0 4px;color:var(--auth-muted);font-size:14px}

.auth-form{display:flex;flex-direction:column;gap:16px}
.auth-form .field{display:flex;flex-direction:column;gap:8px}
.auth-form .field > span{font-size:13px;color:var(--auth-muted);font-weight:600}
.auth-form input[type=text],
.auth-form input[type=email],
.auth-form input[type=password]{
  width:100%;background:transparent;border:1px solid var(--auth-border);border-radius:12px;
  padding:14px 16px;color:var(--auth-fg);font-size:15px;outline:none;transition:.15s}
.auth-form input:focus{border-color:var(--auth-blue);box-shadow:0 0 0 3px rgba(57,182,255,.2)}

.auth-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.auth-row a{color:var(--auth-blue);text-decoration:none;font-weight:600;font-size:14px}
.check{display:inline-flex;align-items:center;gap:8px;color:var(--auth-fg);font-size:14px;font-weight:500;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--auth-blue);margin:0}

.auth-btn{width:100%;background:linear-gradient(180deg,var(--auth-blue-2),var(--auth-blue));
  color:#fff;border:0;padding:14px 20px;border-radius:999px;font-weight:700;font-size:15px;
  cursor:pointer;box-shadow:0 8px 24px rgba(57,182,255,.4);transition:transform .1s}
.auth-btn:hover{transform:translateY(-1px)}
.auth-btn:disabled{opacity:.6;cursor:not-allowed}

.auth-msg{padding:12px 14px;border-radius:12px;font-size:14px;border:1px solid var(--auth-border)}
.auth-msg.err{background:rgba(255,80,80,.1);border-color:rgba(255,80,80,.35);color:#ffd2d2}
.auth-msg.ok{background:rgba(80,220,140,.1);border-color:rgba(80,220,140,.35);color:#c9ffd9}
.auth-msg a{color:inherit;text-decoration:underline}

.auth-foot{text-align:center;color:var(--auth-muted);font-size:13px;padding:12px 0 4px}