body {
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  background-attachment: fixed;
  color: #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  padding: 0;
  height: 100vh;
  overflow: hidden;
}

body.hidden {
  display: none;
}

/* Custom button styles for dark carbon theme */
.btn {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border: 1px solid rgba(138, 43, 226, 0.3);
  color: #e0e0e0;
  box-shadow: 0 4px 15px rgba(138, 43, 226, 0.1);
  transition: all 0.3s ease;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-align: center;
}

.btn:hover {
  background: linear-gradient(135deg, #16213e 0%, #0f3460 50%, #1a1a2e 100%);
  border-color: rgba(138, 43, 226, 0.5);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(138, 43, 226, 0.2), 0 0 10px rgba(138, 43, 226, 0.1);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(138, 43, 226, 0.15);
}

/* Specific override for .btn-info */
.btn-info {
  background: linear-gradient(135deg, #302b63 0%, #24243e 50%, #0f0c29 100%);
  border-color: rgba(75, 0, 130, 0.4);
}

.btn-info:hover {
  background: linear-gradient(135deg, #24243e 0%, #0f0c29 50%, #302b63 100%);
  border-color: rgba(75, 0, 130, 0.6);
  box-shadow: 0 6px 20px rgba(75, 0, 130, 0.2), 0 0 10px rgba(75, 0, 130, 0.1);
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  padding: 20px;
  box-sizing: border-box;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

.logo {
  height: 60px;
  margin-bottom: 10px;
}

h1 {
  font-size: 2.5rem;
  margin: 0;
  background: linear-gradient(135deg, #e0e0e0, #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

p {
  font-size: 1.2rem;
  margin: 10px 0 0 0;
  opacity: 0.8;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  max-width: 800px;
  width: 100%;
}

@media (max-width: 600px) {
  h1 {
    font-size: 2rem;
  }
  p {
    font-size: 1rem;
  }
  .links-grid {
    grid-template-columns: 1fr;
  }
}

.note {
  margin-top: 20px;
  font-size: 1rem;
  opacity: 0.8;
  text-align: center;
}

.note a {
  color: #ffffff;
  text-decoration: underline;
}