:root {
  --bg-gradient-start: #1a1e2b;
  --bg-gradient-end: #111827;
  --text-color: #ffffff;
  --text-color-muted: #94a3b8;
  --accent-color-blue: #3b82f6;
  --accent-color-purple: #8b5cf6;
  --card-bg: rgba(31, 41, 55, 0.5);
  --card-border: #374151;
  --card-hover-border: rgba(59, 130, 246, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(to bottom, var(--bg-gradient-start), var(--bg-gradient-end));
  color: var(--text-color);
  min-height: 100vh;
  line-height: 1.6;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navbar */
.navbar {
  background-color: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(55, 65, 81, 0.5);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 32px;
  width: 32px;
  margin-right: 0.5rem;
}

.logo-text {
  font-weight: bold;
  font-size: 1.5rem;
  background: linear-gradient(to right, var(--accent-color-purple), var(--accent-color-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Main content */
main {
  flex: 1;
}

.hero {
  padding: 5rem 0 3rem;
  text-align: center;
}

.gradient-text {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, var(--accent-color-purple), var(--accent-color-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-color-muted);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

/* Code card */
.code-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.code-card:hover {
  border-color: var(--card-hover-border);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.1);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background-color: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--card-border);
}

.copy-btn {
  background: transparent;
  border: none;
  color: var(--text-color-muted);
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.2s ease;
}

.copy-btn:hover {
  color: var(--accent-color-blue);
}

.code-card pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
}

.code-card code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.9rem;
}

.code-description {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--card-border);
  background-color: rgba(17, 24, 39, 0.5);
  font-size: 0.9rem;
  color: var(--text-color-muted);
}

/* Features */
.features {
  padding: 4rem 0;
}

h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.feature-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.1);
}

.icon {
  color: var(--accent-color-blue);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-color-muted);
}

.link {
  color: var(--accent-color-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

.link:hover {
  color: var(--accent-color-purple);
  text-decoration: underline;
}

/* Footer */
footer {
  padding: 2rem 0;
  background-color: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(55, 65, 81, 0.5);
  text-align: center;
}

footer p {
  color: var(--text-color-muted);
  font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .gradient-text {
    font-size: 2.2rem;
  }
  
  .subtitle {
    font-size: 1.1rem;
  }
  
  .features {
    padding: 3rem 0;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .gradient-text {
    font-size: 1.8rem;
  }
  
  .hero {
    padding: 3rem 0 2rem;
  }
}