:root {
  --vaello-blue: #00205b;
  --vaello-blue-strong: #0b1b4a;
  --vaello-ink: #111827;
  --vaello-muted: #6b7280;
  --vaello-line: #d9dce5;
  --vaello-soft: #f4f6fb;
  --vaello-white: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    linear-gradient(135deg, rgba(0, 32, 91, 0.08), rgba(11, 27, 74, 0.02)),
    var(--vaello-soft);
  color: var(--vaello-ink);
  font-family: Arial, sans-serif;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 18px;
}

.login-card {
  width: min(1120px, 100%);
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(420px, 1.05fr);
  overflow: hidden;
  background: var(--vaello-white);
  border: 1px solid rgba(0, 32, 91, 0.12);
  border-radius: 8px;
  box-shadow: 0 22px 60px rgba(0, 32, 91, 0.16);
}

.brand-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 22px;
  padding: 42px 34px;
  background: var(--vaello-blue-strong);
  color: var(--vaello-white);
}

.brand-logo {
  width: min(230px, 70%);
  height: auto;
  background: var(--vaello-white);
  padding: 22px;
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
}

.brand-kicker {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-signin {
  width: 100%;
  max-width: 620px;
  margin: auto;
  padding: 48px 56px;
  text-align: left;
}

.login-heading {
  margin-bottom: 26px;
}

.login-heading h1 {
  margin: 0 0 8px;
  color: var(--vaello-blue);
  font-size: 2rem;
  font-weight: 800;
}

.login-heading p {
  margin: 0;
  color: var(--vaello-muted);
  font-size: 1rem;
  line-height: 1.45;
}

.login-alerts {
  margin-bottom: 20px;
}

.alert-primary {
  background-color: #eef3ff;
  border-color: #d8e3ff;
  color: var(--vaello-blue);
}

.form-floating {
  margin-bottom: 14px;
}

.form-control {
  width: 100%;
  min-height: 58px;
  border: 1px solid var(--vaello-line);
  border-radius: 6px;
  color: var(--vaello-ink);
  font-size: 1rem;
}

.form-floating > .form-control {
  padding: 0 18px;
}

.form-control:focus {
  border-color: var(--vaello-blue);
  box-shadow: 0 0 0 0.2rem rgba(0, 32, 91, 0.14);
}

.btn-login {
  width: 100%;
  min-height: 52px;
  margin-top: 8px;
  background-color: var(--vaello-blue);
  border-color: var(--vaello-blue);
  border-radius: 6px;
  color: var(--vaello-white);
  font-size: 1.05rem;
  font-weight: 700;
}

.btn-login:hover,
.btn-login:focus {
  background-color: var(--vaello-blue-strong);
  border-color: var(--vaello-blue-strong);
  color: var(--vaello-white);
}

@media (max-width: 760px) {
  .login-page {
    align-items: stretch;
    padding: 16px;
  }

  .login-card {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .brand-panel {
    padding: 28px 22px;
  }

  .brand-logo {
    width: min(190px, 66%);
    padding: 16px;
  }

  .form-signin {
    max-width: none;
    padding: 32px 22px;
  }

  .login-heading h1 {
    font-size: 1.7rem;
  }
}

@media (max-width: 420px) {
  .login-page {
    padding: 0;
  }

  .login-card {
    min-height: 100vh;
    border-radius: 0;
    border: 0;
  }

  .form-signin {
    padding: 28px 18px;
  }
}