:root{
  --login-bg-1:#f8fafc;
  --login-bg-2:#eef2ff;
  --login-card:#ffffff;
  --login-text:#0f172a;
  --login-sub:#64748b;
  --login-border:rgba(15,23,42,.08);
  --login-shadow:0 30px 80px rgba(15,23,42,.12);
  --login-primary:#111827;
  --login-primary-2:#1f2937;
  --login-danger:#dc2626;
}

*{ box-sizing:border-box; }

body.page-login{
  margin:0;
  min-height:100vh;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--login-text);
  background:
    radial-gradient(circle at top left, rgba(17,24,39,.10), transparent 30%),
    radial-gradient(circle at bottom right, rgba(59,130,246,.10), transparent 28%),
    linear-gradient(135deg, var(--login-bg-1), var(--login-bg-2));
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  overflow-y:auto;
}

.login-shell{
  width:100%;
  max-width:1120px;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  background:rgba(255,255,255,.62);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.45);
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--login-shadow);
  margin:0 auto;
}

.login-brand{
  position:relative;
  padding:56px 48px;
  min-height:640px;
  background:
    linear-gradient(160deg, rgba(17,24,39,.96), rgba(37,99,235,.84));
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  overflow:hidden;
}

.login-brand::before{
  content:"";
  position:absolute;
  inset:auto -80px -80px auto;
  width:260px;
  height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
  filter:blur(8px);
}

.login-brand::after{
  content:"";
  position:absolute;
  inset:48px auto auto -70px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:rgba(255,255,255,.06);
}

.login-brand-top,
.login-brand-bottom{
  position:relative;
  z-index:1;
}

.login-logo{
  width:78px;
  height:78px;
  border-radius:22px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.18);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  box-shadow:0 20px 40px rgba(0,0,0,.12);
  margin-bottom:22px;
}

.login-logo img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.login-brand h1{
  margin:0 0 14px;
  font-size:40px;
  line-height:1.05;
  font-weight:900;
  letter-spacing:-0.02em;
  max-width:420px;
}

.login-brand p{
  margin:0;
  max-width:430px;
  font-size:16px;
  line-height:1.7;
  color:rgba(255,255,255,.88);
}

.login-features{
  display:grid;
  gap:14px;
  margin-top:34px;
}

.login-feature{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.12);
}

.login-feature i{
  margin-top:3px;
  font-size:16px;
}

.login-feature strong{
  display:block;
  font-size:14px;
  margin-bottom:4px;
}

.login-feature span{
  display:block;
  font-size:13px;
  line-height:1.5;
  color:rgba(255,255,255,.86);
}

.login-form-wrap{
  background:var(--login-card);
  padding:56px 44px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.login-form-box{
  width:100%;
  max-width:420px;
}

.login-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:#f3f4f6;
  color:#475569;
  font-size:12px;
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
  margin-bottom:18px;
}

.login-form-box h2{
  margin:0 0 8px;
  font-size:30px;
  line-height:1.1;
  color:var(--login-text);
  letter-spacing:-0.02em;
}

.login-form-box .sub{
  margin:0 0 28px;
  color:var(--login-sub);
  font-size:15px;
  line-height:1.65;
}

.login-alert{
  margin-bottom:18px;
  padding:14px 16px;
  border-radius:16px;
  background:#fef2f2;
  border:1px solid #fecaca;
  color:#991b1b;
  font-size:14px;
  font-weight:600;
}

.login-form{
  display:grid;
  gap:18px;
}

.login-field label{
  display:block;
  margin:0 0 8px;
  font-size:14px;
  font-weight:700;
  color:#334155;
}

.login-field .input-wrap{
  position:relative;
}

.login-field .input-wrap i{
  position:absolute;
  left:14px;
  top:50%;
  transform:translateY(-50%);
  color:#94a3b8;
  font-size:15px;
  pointer-events:none;
}

.login-field input{
  width:100%;
  height:54px;
  border-radius:16px;
  border:1px solid #dbe1ea;
  background:#fff;
  padding:0 16px 0 44px;
  font-size:15px;
  color:#0f172a;
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.login-field input:focus{
  border-color:rgba(17,24,39,.45);
  box-shadow:0 0 0 4px rgba(17,24,39,.08);
}

.login-submit{
  height:56px;
  border:none;
  border-radius:18px;
  background:linear-gradient(135deg, var(--login-primary), var(--login-primary-2));
  color:#fff;
  font-size:15px;
  font-weight:800;
  letter-spacing:.01em;
  cursor:pointer;
  box-shadow:0 18px 34px rgba(17,24,39,.18);
  transition:transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

.login-submit:hover{
  transform:translateY(-1px);
  box-shadow:0 22px 38px rgba(17,24,39,.22);
  filter:saturate(1.03);
}

.login-footer-note{
  margin-top:18px;
  font-size:13px;
  color:#64748b;
  line-height:1.6;
}

@media (max-width: 960px){
  .login-shell{ grid-template-columns:1fr; }
  .login-brand{ min-height:auto; padding:40px 34px; }
  .login-form-wrap{ padding:40px 28px; }
}

@media (max-width: 640px){
  body.page-login{ padding:16px; }
  .login-shell{ border-radius:24px; }
  .login-brand, .login-form-wrap{ padding:28px 22px; }
  .login-brand h1{ font-size:32px; }
  .login-form-box h2{ font-size:26px; }
}

@media (max-height: 900px) and (min-width: 961px){
  body.page-login{
    padding:16px;
  }

  .login-shell{
    max-width:1060px;
    grid-template-columns:1fr .92fr;
  }

  .login-brand{
    min-height:auto;
    padding:38px 36px;
  }

  .login-logo{
    width:66px;
    height:66px;
    margin-bottom:16px;
  }

  .login-brand h1{
    font-size:34px;
    margin-bottom:10px;
    max-width:360px;
  }

  .login-brand p{
    font-size:14px;
    line-height:1.55;
    max-width:380px;
  }

  .login-features{
    gap:10px;
    margin-top:22px;
  }

  .login-feature{
    padding:12px 14px;
    border-radius:16px;
  }

  .login-feature strong{
    font-size:13px;
    margin-bottom:3px;
  }

  .login-feature span{
    font-size:12px;
    line-height:1.45;
  }

  .login-form-wrap{
    padding:38px 32px;
  }

  .login-form-box h2{
    font-size:28px;
  }

  .login-form-box .sub{
    margin-bottom:20px;
    font-size:14px;
    line-height:1.55;
  }

  .login-form{
    gap:14px;
  }

  .login-field input{
    height:50px;
  }

  .login-submit{
    height:52px;
  }
}

@media (max-height: 760px) and (min-width: 961px){
  body.page-login{
    padding:12px;
  }

  .login-shell{
    max-width:1000px;
    grid-template-columns:1fr .9fr;
  }

  .login-brand{
    min-height:auto;
  }

  .login-logo{
    width:56px;
    height:56px;
    margin-bottom:12px;
  }

  .login-brand h1{
    font-size:28px;
    margin-bottom:8px;
    max-width:320px;
  }

  .login-brand p{
    font-size:13px;
    line-height:1.45;
    max-width:340px;
  }

  .login-features{
    gap:8px;
    margin-top:16px;
  }

  .login-feature{
    padding:10px 12px;
    border-radius:14px;
    gap:10px;
  }

  .login-feature i{
    font-size:14px;
    margin-top:2px;
  }

  .login-feature strong{
    font-size:12px;
    margin-bottom:2px;
  }

  .login-feature span{
    font-size:11px;
    line-height:1.35;
  }

  .login-brand-bottom{
    display:none;
  }

  .login-form-wrap{
    padding:28px 24px;
  }

  .login-kicker{
    margin-bottom:12px;
  }

  .login-form-box h2{
    font-size:24px;
  }

  .login-form-box .sub{
    margin-bottom:16px;
    font-size:13px;
    line-height:1.45;
  }

  .login-form{
    gap:12px;
  }

  .login-field input{
    height:48px;
  }

  .login-submit{
    height:50px;
    border-radius:16px;
  }

  .login-footer-note{
    margin-top:12px;
    font-size:12px;
  }
}