:root {
  --blue-900: #17345f;
  --blue-700: #2f7ef7;
  --blue-500: #57a8ff;
  --paper: rgba(255, 255, 255, 0.94);
}

html,
body,
#root {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background:
    linear-gradient(135deg, #eaf6ff, #f8fcff 48%, #e9f4ff);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", sans-serif;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(440px, 100%);
  border: 1px solid rgba(159, 205, 255, 0.8);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: 0 18px 50px rgba(60, 130, 210, 0.14);
  backdrop-filter: blur(18px);
}

.login-hero {
  margin-bottom: 24px;
}

.login-hero h1 {
  margin: 0;
  color: var(--blue-900);
  font-size: 30px;
  letter-spacing: 0;
}

.login-hero p {
  margin: 8px 0 0;
  color: #52637a;
}

.full-width {
  width: 100%;
}

.login-card .ant-card-body {
  padding: 30px;
}

.login-card .ant-btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.24);
}

@media (max-width: 560px) {
  body {
    overflow: auto;
  }

  .login-page {
    align-items: start;
    padding: 16px;
  }

  .login-card .ant-card-body {
    padding: 22px;
  }
}