/* Ultra-minimal styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  background: #ffffff;
  color: #1a1a1a;
  min-height: 100vh;
  transition:
    background 0.3s ease,
    color 0.3s ease;
}

/* Light mode - default */
@media (prefers-color-scheme: light), (prefers-color-scheme: no-preference) {
  .logo-light {
    display: block;
  }

  .logo-dark {
    display: none;
  }
}

/* Dark mode - only if user prefers it */
@media (prefers-color-scheme: dark) {
  body {
    background: #1a1a1a;
    color: #ffffff;
  }

  .logo-light {
    display: none;
  }

  .logo-dark {
    display: block;
  }

  .title,
  .subtitle {
    color: #ffffff;
  }

  .button {
    background: #ffffff;
    color: #1a1a1a;
  }

  .button:hover {
    background: #e5e5e5;
  }
}

/* Container */
.container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.content {
  text-align: center;
  max-width: 600px;
  width: 100%;
}

.logo-container {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.logo {
  height: 48px;
  width: auto;
  max-width: 240px;
  animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Typography */
.title {
  font-size: 1.125rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.subtitle {
  font-size: 0.875rem;
  font-weight: 400;
  opacity: 0.6;
  line-height: 1.5;
  margin-bottom: 2rem;
}

/* Button */
.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: #ffffff;
  background: #1a1a1a;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.button:hover {
  background: #333333;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.button:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

@media (max-width: 640px) {
  .title {
    font-size: 1rem;
  }

  .subtitle {
    font-size: 0.8125rem;
  }

  .logo {
    height: 36px;
    max-width: 200px;
  }

  .button {
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
  }
}