:root{
  --ink:#0d1b2a; --panel:#152436; --panel-2:#1d3149;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --txt:#eef3f8; --txt-dim:#9fb0c3; --txt-faint:#6b7d92;
  --amber:#f4a72c; --amber-deep:#d98a13; --teal:#33c9b7; --red:#ff6b6b; --green:#4ade80;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  font-family:'Heebo',-apple-system,system-ui,sans-serif;min-height:100vh;
  background:
    radial-gradient(1000px 600px at 80% -10%, rgba(244,167,44,.12), transparent 60%),
    radial-gradient(800px 500px at -10% 110%, rgba(51,201,183,.08), transparent 55%),
    var(--ink);
  color:var(--txt);-webkit-font-smoothing:antialiased;
  display:flex;align-items:center;justify-content:center;padding:24px;
}
.auth-card{width:100%;max-width:400px;}
.brand{display:flex;align-items:center;gap:11px;justify-content:center;margin-bottom:26px;}
.brand .stamp{width:46px;height:46px;border-radius:12px;position:relative;background:linear-gradient(135deg,var(--amber),var(--amber-deep));display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(244,167,44,.4);transform:rotate(-7deg);}
.brand .stamp::after{content:"";position:absolute;inset:5px;border:1.5px dashed rgba(13,27,42,.4);border-radius:8px;}
.brand .stamp span{font-family:'Space Grotesk',monospace;font-weight:700;font-size:21px;color:var(--ink);transform:rotate(7deg);}
.brand b{font-size:22px;font-weight:800;letter-spacing:-.01em;}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:30px 26px;}
.panel h1{font-size:22px;font-weight:800;letter-spacing:-.02em;margin-bottom:6px;}
.panel .sub{color:var(--txt-dim);font-size:14px;margin-bottom:22px;}
.field{margin-bottom:15px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--txt-dim);margin-bottom:7px;}
.field input{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:11px;padding:13px 14px;font-size:15px;color:var(--txt);font-family:inherit;transition:border-color .15s;}
.field input:focus{outline:none;border-color:var(--amber);}
.btn{width:100%;background:linear-gradient(135deg,var(--amber),var(--amber-deep));color:var(--ink);font-weight:800;font-size:16px;padding:15px;border:none;border-radius:12px;cursor:pointer;font-family:inherit;transition:transform .12s;margin-top:6px;}
.btn:active{transform:scale(.98);}
.btn:disabled{opacity:.6;cursor:default;}
.msg{margin-top:14px;font-size:13.5px;padding:11px 13px;border-radius:10px;display:none;line-height:1.4;}
.msg.show{display:block;}
.msg.err{background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.3);color:#ffb4b4;}
.msg.ok{background:rgba(74,222,128,.12);border:1px solid rgba(74,222,128,.3);color:#a7f3c0;}
.alt{text-align:center;margin-top:20px;font-size:14px;color:var(--txt-faint);}
.alt a{color:var(--amber);font-weight:700;text-decoration:none;}
.alt a:hover{text-decoration:underline;}
.row-between{display:flex;justify-content:space-between;align-items:center;margin-top:-4px;margin-bottom:14px;}
.row-between a{color:var(--teal);font-size:13px;font-weight:600;text-decoration:none;}
.back-home{text-align:center;margin-top:18px;}
.back-home a{color:var(--txt-faint);font-size:13px;text-decoration:none;}
.notice{background:rgba(244,167,44,.1);border:1px solid rgba(244,167,44,.3);color:var(--amber);border-radius:12px;padding:12px 14px;font-size:13px;margin-bottom:18px;line-height:1.45;}