*,
*::before,
*::after {
  box-sizing: border-box;
}

.joulud-auth {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  background: var(--darkened-bg);
  color: var(--body-fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.45;
}

.auth-snow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(2px 2px at 30px 40px, var(--border-color), transparent 60%),
    radial-gradient(3px 3px at 120px 90px, var(--border-color), transparent 60%),
    radial-gradient(2px 2px at 200px 160px, var(--border-color), transparent 60%),
    radial-gradient(2.5px 2.5px at 80px 200px, var(--border-color), transparent 60%);
  background-size: 240px 240px;
  animation: auth-snow 24s linear infinite;
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 360px;
  padding: 22px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--body-bg);
  box-shadow: 0 10px 30px rgba(12, 18, 25, 0.08);
}

.joulud-auth .joulud-login-logo {
  position: relative;
  width: 240px;
  margin: 26px auto 14px;
}

.joulud-auth .joulud-login-logo img {
  width: 240px;
  display: block;
}

.joulud-auth .joulud-login-logo .joulud-logo-dark {
  display: none;
}

.joulud-santa-hat {
  position: absolute;
  left: -14px;
  top: -28px;
  width: 64px;
  transform: rotate(-18deg);
  transform-origin: 40% 80%;
  animation: hat-sway 3s ease-in-out infinite;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.15));
}

.auth-title {
  margin: 0 0 14px;
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--body-loud-color);
}

.auth-form {
  display: flex;
  flex-direction: column;
}

.auth-form label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.auth-form input {
  font: inherit;
  font-size: 1rem;
  padding: 10px;
  margin-bottom: 14px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--body-bg);
  color: var(--body-fg);
}

.auth-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.auth-form button,
.auth-button {
  display: block;
  width: 100%;
  padding: 11px;
  border: 0;
  border-radius: 4px;
  background: var(--button-bg);
  color: var(--button-fg);
  font: inherit;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.auth-form button:hover,
.auth-button:hover {
  background: var(--button-hover-bg);
}

.auth-errors {
  margin-bottom: 12px;
  padding: 8px 12px;
  border-radius: 4px;
  background: var(--message-error-bg);
  font-size: 0.9rem;
}

.auth-errors p,
.auth-text {
  margin: 0 0 12px;
}

.auth-hint {
  margin: -8px 0 14px;
  font-size: 0.8rem;
  color: var(--body-quiet-color);
}

.auth-link {
  margin: 14px 0 0;
  text-align: center;
  font-size: 0.9rem;
}

.auth-link a {
  color: var(--link-fg);
  font-weight: 500;
}

.auth-link a.auth-button {
  color: var(--button-fg);
}

@media (prefers-color-scheme: dark) {
  .joulud-auth .joulud-login-logo .joulud-logo-light {
    display: none;
  }

  .joulud-auth .joulud-login-logo .joulud-logo-dark {
    display: block;
  }
}

@keyframes hat-sway {
  0%,
  100% {
    transform: rotate(-18deg);
  }

  50% {
    transform: rotate(-12deg);
  }
}

@keyframes auth-snow {
  from {
    background-position: 0 0;
  }

  to {
    background-position: 40px 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .joulud-santa-hat,
  .auth-snow {
    animation: none;
  }
}