*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg-top:#1B2D52;--bg-bot:#101C37;
  --card:rgba(255,255,255,0.06);--card-bd:rgba(255,255,255,0.10);
  --blue:#6C8FFF;--blue2:#8A6BFF;
  --t1:#F5F5F7;--t2:rgba(255,255,255,0.65);--t3:rgba(255,255,255,0.38);
  --red:#F87171;--red-bg:rgba(248,113,113,0.10);
  --ease:cubic-bezier(.2,.8,.2,1);
}
html,body{height:100%;min-height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,sans-serif;
  background:linear-gradient(160deg,var(--bg-top) 0%,var(--bg-bot) 100%);
  color:var(--t1);-webkit-font-smoothing:antialiased;
  display:flex;align-items:center;justify-content:center;
  padding:20px;min-height:100svh;
}
.login-bg{
  position:fixed;inset:0;
  background:
    radial-gradient(ellipse at 15% 15%,rgba(91,140,255,0.18),transparent 40%),
    radial-gradient(ellipse at 85% 85%,rgba(124,92,255,0.14),transparent 45%),
    linear-gradient(160deg,var(--bg-top) 0%,var(--bg-bot) 100%);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.login-card{
  width:100%;max-width:420px;
  background:rgba(255,255,255,0.07);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border:1px solid var(--card-bd);border-radius:24px;
  padding:40px 36px 32px;
  box-shadow:0 24px 60px rgba(0,0,0,0.40);
  animation:fadeUp .4s var(--ease) both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

.login-logo-wrap{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--blue2));
  margin:0 auto 20px;padding:3px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(107,143,255,0.40);
}
.login-logo{
  width:100%;height:100%;object-fit:contain;border-radius:50%;
  background:#fff;padding:6px;
}
.login-logo-text{
  font-size:20px;font-weight:800;color:var(--blue);letter-spacing:2px;
  background:#fff;border-radius:50%;width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
}
.login-title{
  text-align:center;font-size:22px;font-weight:700;
  color:var(--t1);margin-bottom:6px;letter-spacing:-.3px;
}
.login-sub{
  text-align:center;font-size:13px;color:var(--t2);margin-bottom:32px;
}
.login-form{display:flex;flex-direction:column;gap:16px}
.login-field{display:flex;flex-direction:column;gap:6px}
.login-field label{font-size:12px;font-weight:600;color:var(--t2);letter-spacing:.04em}
.login-field input,.pass-wrap input{
  width:100%;background:rgba(255,255,255,0.06);color:var(--t1);
  border:1px solid rgba(255,255,255,0.10);border-radius:12px;
  font-family:inherit;font-size:15px;padding:12px 14px;outline:none;
  transition:all 200ms var(--ease);-webkit-appearance:none;
}
.login-field input::placeholder,.pass-wrap input::placeholder{color:var(--t3)}
.login-field input:focus,.pass-wrap input:focus{
  border-color:rgba(107,143,255,0.50);
  box-shadow:0 0 0 4px rgba(107,143,255,0.12);
}
.login-field.error input,.login-field.error .pass-wrap input{
  border-color:var(--red);box-shadow:0 0 0 4px rgba(248,113,113,0.12);
}
.pass-wrap{position:relative}
.pass-wrap input{padding-right:46px}
.pass-eye{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  background:transparent;border:none;cursor:pointer;
  color:var(--t3);display:flex;padding:4px;transition:color 150ms;
}
.pass-eye:hover{color:var(--t1)}
.pass-eye svg{width:18px;height:18px}
.login-error{
  display:flex;align-items:center;gap:8px;
  background:var(--red-bg);border:1px solid rgba(248,113,113,0.22);
  border-radius:10px;padding:10px 14px;
  font-size:13px;color:var(--red);font-weight:500;
  animation:shake .35s var(--ease);
}
.login-error svg{width:16px;height:16px;flex-shrink:0}
@keyframes shake{
  0%,100%{transform:none}
  20%{transform:translateX(-6px)}
  40%{transform:translateX(6px)}
  60%{transform:translateX(-4px)}
  80%{transform:translateX(4px)}
}
.login-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:48px;border-radius:14px;border:none;margin-top:4px;
  background:linear-gradient(135deg,var(--blue),var(--blue2));
  color:#fff;font-size:15px;font-weight:700;cursor:pointer;
  font-family:inherit;
  box-shadow:0 6px 20px rgba(107,143,255,0.38);
  transition:all 200ms var(--ease);
}
.login-btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(107,143,255,0.48)}
.login-btn:active{transform:scale(.98)}
.login-btn svg{width:18px;height:18px}
.login-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.loader{
  width:18px;height:18px;border-radius:50%;
  border:2.5px solid rgba(255,255,255,0.35);
  border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.login-footer{text-align:center;font-size:12px;color:var(--t3);margin-top:24px}

@media(max-width:480px){
  .login-card{padding:32px 22px 24px;border-radius:20px}
  .login-title{font-size:19px}
}