:root {
  font-family: "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.login-body {
  min-height: 100vh;
  background: radial-gradient(circle at 78% 18%, #ffffff 0, #edf3f7 32%, #e4edf3 68%, #dce7ee 100%);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(420px, 1.12fr) minmax(420px, 0.88fr);
}

.login-brand {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: clamp(44px, 7vw, 105px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(circle at 18% 15%, #315f7f 0, transparent 34%),
    linear-gradient(145deg, #172839 0%, #203f55 52%, #2c5b78 100%);
}

.login-brand::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border: 1px solid #ffffff12;
  border-radius: 50%;
  right: -210px;
  top: -130px;
  box-shadow: 0 0 0 70px #ffffff08, 0 0 0 140px #ffffff05;
}

.login-brand::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: linear-gradient(90deg, #2d8ac8, #62b8e5, #2d8ac8);
}

.login-logo {
  position: relative;
  z-index: 1;
  width: 78px;
  height: 78px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  font-size: 23px;
  font-weight: 900;
  background: linear-gradient(145deg, #42a2df, #2378b2);
  box-shadow: 0 18px 45px #08172566, inset 0 1px 0 #ffffff55;
}

.login-brand h1 {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 30px 0 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: -1.2px;
}

.login-brand p {
  position: relative;
  z-index: 1;
  color: #d5e1e9;
  font-size: 17px;
  margin: 16px 0 0;
  max-width: 480px;
}

.login-brand-line {
  position: relative;
  z-index: 1;
  width: 76px;
  height: 5px;
  margin-top: 25px;
  border-radius: 999px;
  background: #42a2df;
  box-shadow: 0 0 22px #42a2df77;
}

.login-card {
  align-self: center;
  margin: auto;
  width: min(430px, 88%);
  background: #fff;
  border: 1px solid #ffffff;
  border-radius: 20px;
  padding: 36px;
  box-shadow: 0 24px 70px #18364c24, 0 2px 8px #18364c12;
}

.login-card h2 {
  margin: 0 0 24px;
  color: #20384b;
  font-size: 25px;
  letter-spacing: -0.35px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  color: #3a5264;
  font-size: 13px;
  font-weight: 750;
}

.form-group input {
  min-height: 46px;
  border-radius: 10px;
  border: 1px solid #cbd8e1;
  background: #f8fafc;
  padding: 0 13px;
  font-size: 14px;
  color: #243447;
  transition: border-color .15s, box-shadow .15s, background .15s;
}

.form-group input:focus {
  outline: none;
  background: #fff;
  border-color: #3287bd;
  box-shadow: 0 0 0 4px #3287bd1c;
}

.login-card button[type="submit"] {
  min-height: 46px;
  border-radius: 10px;
  border: 0;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: #2d78ad;
  box-shadow: 0 9px 22px #2d78ad2c;
  cursor: pointer;
}

.login-card button[type="submit"]:hover {
  background: #3487c1;
}

.alert-error {
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 4px;
  background: #fff0f0;
  color: #9c3030;
  border: 1px solid #e6b7b7;
  font-size: 13px;
}

.login-card footer {
  margin-top: 18px;
  text-align: center;
}

.login-card footer small {
  color: #728390;
}

@media (max-width: 800px) {
  .login-shell {
    grid-template-columns: 1fr;
  }

  .login-brand {
    min-height: 230px;
    padding: 35px;
  }

  .login-card {
    margin: 30px auto;
  }
}