:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(98, 126, 255, 0.16), transparent 34rem),
    linear-gradient(145deg, #f5f7ff 0%, #edf1f8 100%);
  color: #172033;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(0.75rem, 5vw, 2rem);
}

.login-card {
  width: min(100%, 30rem);
  padding: clamp(1.25rem, 6vw, 3.5rem);
  border: 1px solid rgba(60, 76, 112, 0.16);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1.5rem 4rem rgba(44, 57, 88, 0.15);
  text-align: center;
}

.login-eyebrow {
  margin: 0 0 0.75rem;
  color: #57627a;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: #111a2e;
  font-size: clamp(2rem, 8vw, 3rem);
  letter-spacing: -0.04em;
}

.login-intro {
  margin: 1rem auto 1.75rem;
  max-width: 24rem;
  color: #46516a;
  line-height: 1.55;
}

.login-button {
  width: min(100%, 18.75rem);
  min-height: 44px;
  display: flex;
  justify-content: center;
  margin-inline: auto;
}

.login-button > *,
.login-button iframe {
  max-width: 100% !important;
}

.login-retry {
  min-height: 44px;
  padding: 0.7rem 1.2rem;
  color: #fff;
  background: #3049b8;
  border: 0;
  border-radius: 0.4rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.login-retry:hover {
  background: #233b9f;
}

.login-retry:focus-visible {
  outline: 3px solid rgba(48, 73, 184, 0.35);
  outline-offset: 3px;
}

.login-retry:disabled {
  cursor: wait;
  opacity: 0.7;
}

.login-status {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  color: #5b657a;
  font-size: 0.9rem;
}

.login-status--error {
  color: #a72828;
}

.login-domain {
  margin: 1.75rem 0 0;
  color: #747d90;
  font-size: 0.8rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
  }

  body {
    background:
      radial-gradient(circle at 18% 20%, rgba(106, 126, 255, 0.22), transparent 34rem),
      linear-gradient(145deg, #111522 0%, #171d2c 100%);
    color: #eef2ff;
  }

  .login-card {
    border-color: rgba(178, 190, 225, 0.16);
    background: rgba(24, 30, 46, 0.94);
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.3);
  }

  h1 {
    color: #f5f7ff;
  }

  .login-eyebrow,
  .login-intro,
  .login-status,
  .login-domain {
    color: #b7c0d8;
  }

  .login-status--error {
    color: #ff9b9b;
  }
}