:root {
  --bg: #edf4fb;
  --card: rgba(255, 255, 255, 0.78);
  --line: rgba(176, 195, 217, 0.55);
  --text: #1d2c42;
  --muted: #4f617b;
  --primary: #1f5d99;
  --primary-soft: #ddeafb;
  --danger-bg: #ffe9e9;
  --danger-text: #8a1f1f;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 420px at 8% 0%, rgba(170, 205, 242, 0.45), transparent 60%),
    radial-gradient(900px 420px at 96% 12%, rgba(195, 223, 252, 0.55), transparent 60%),
    var(--bg);
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
}

.login-card {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: var(--card);
  backdrop-filter: blur(11px) saturate(120%);
  -webkit-backdrop-filter: blur(11px) saturate(120%);
  box-shadow: 0 16px 34px rgba(28, 57, 92, 0.15);
}

.login-hero {
  padding: 34px;
  background: linear-gradient(165deg, rgba(35, 106, 173, 0.12), rgba(230, 241, 255, 0.7));
  border-right: 1px solid var(--line);
}

.login-logo {
  width: 190px;
  max-width: 100%;
  height: auto;
  border-radius: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
  display: block;
}

.logo-transparent {
  mix-blend-mode: normal;
  background: transparent;
}

.login-hero h1 {
  margin: 16px 0 10px;
  font-size: 28px;
  line-height: 1.2;
}

.login-hero p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}

.login-form-panel {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-form-panel h2 {
  margin: 0 0 6px;
  font-size: 28px;
}

.module-tag {
  display: inline-block;
  margin: 0 0 18px;
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.login-alert {
  background: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid #f4c7c7;
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 600;
}

.login-form {
  display: grid;
  gap: 10px;
}

.login-form label {
  font-size: 14px;
  font-weight: 700;
  color: #304761;
}

.login-form input {
  width: 100%;
  border: 1px solid #c6d5e8;
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 15px;
  color: #243248;
  background: #ffffff;
}

.login-form input:focus {
  border-color: #7aa8d9;
  outline: 0;
  box-shadow: 0 0 0 3px rgba(122, 168, 217, 0.2);
}

.login-form button {
  margin-top: 6px;
  border: 1px solid #c6d5e8;
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 15px;
  font-weight: 700;
  background: var(--primary-soft);
  color: #163a62;
  cursor: pointer;
}

.login-form button:hover {
  background: #cde0f8;
}

@media (max-width: 900px) {
  .login-card {
    grid-template-columns: 1fr;
  }

  .login-hero {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 24px;
  }

  .login-form-panel {
    padding: 24px;
  }

  .login-hero h1,
  .login-form-panel h2 {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .login-page {
    padding: 12px;
  }

  .login-hero,
  .login-form-panel {
    padding: 18px;
  }

  .login-hero h1,
  .login-form-panel h2 {
    font-size: 21px;
  }
}