@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

html, body {
  transition: background-color 0.3s ease, color 0.3s ease;
}

:root[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --accent-color: #10a37f;
  --border-color: #e9ecef;
  --card-bg: #ffffff;
  --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

:root[data-theme="dark"] {
  --bg-primary: #18191a;
  --bg-secondary: #242526;
  --text-primary: #e4e6eb;
  --text-secondary: #b0b3b8;
  --accent-color: #1fd4a1;
  --card-bg: #2e2e2e;
  --border-color: #3e3e3e;
  --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
}

body {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
}

.header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  outline: none;
  box-shadow: none;
  transition: background-color 0.3s ease;
}

.theme-toggle:hover {
  background-color: transparent;
}

.theme-icon {
  transition: transform 0.3s ease;
  text-shadow: none;
}

.rotate {
  transform: rotate(180deg);
}

.main {
  margin-top: 70px;
  padding: 3rem 1rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.hero {
  text-align: center;
  margin-bottom: 4rem;
}

.hero h2 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
}

.services {
  align-items: start;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.service-card {
  min-width: 0;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  text-decoration: none;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.service-card .material-icons {
  color: var(--accent-color);
  font-size: 1.5rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.service-card .api-details {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-family: monospace;
  color: var(--text-secondary);
  word-break: break-all;
}

.service-card .api-details div {
  margin-bottom: 0.35rem;
}

.service-card .api-details div:last-child {
  margin-bottom: 0;
}

.card-footer {
  color: var(--accent-color);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.empty-message {
  color: var(--text-secondary);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
}

.footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 2rem 1rem;
  color: var(--text-secondary);
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer p {
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-color);
}

@media (max-width: 768px) {
  .hero h2 {
    font-size: 2.5rem;
  }

  .services {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.5rem;
  }
}