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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
  line-height: 1.7;
  color: #24292E;
  background: #fafafa;
  padding: 0;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 24px;
  background: #fff;
  min-height: 100vh;
}

header {
  border-bottom: 1px solid #E1E4E8;
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.brand {
  font-size: 14px;
  font-weight: 600;
  color: #0366D6;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

h1 {
  font-size: 32px;
  font-weight: 700;
  color: #24292E;
  margin-bottom: 8px;
}

.app-name {
  font-size: 17px;
  color: #586069;
  margin-bottom: 6px;
}

.updated {
  font-size: 14px;
  color: #959DA5;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  color: #24292E;
  margin-top: 36px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid #E1E4E8;
}

h3 {
  font-size: 16px;
  font-weight: 600;
  color: #24292E;
  margin-top: 20px;
  margin-bottom: 10px;
}

p { margin-bottom: 12px; }

strong { color: #24292E; }

ul {
  margin: 8px 0 16px 20px;
}

li {
  margin-bottom: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 14px;
}

th, td {
  border: 1px solid #ddd;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #F6F8FA;
  font-weight: 600;
}

a {
  color: #0366D6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.app-card {
  border: 1px solid #E1E4E8;
  border-radius: 8px;
  padding: 20px;
  background: #fff;
  transition: border-color 0.15s, transform 0.15s;
}

.app-card:hover {
  border-color: #0366D6;
  transform: translateY(-2px);
}

.app-card-title {
  font-size: 18px;
  font-weight: 600;
  color: #24292E;
  margin-bottom: 4px;
}

.app-card-desc {
  font-size: 14px;
  color: #586069;
  margin-bottom: 14px;
  min-height: 40px;
}

.app-card-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
}

.app-card-links a {
  color: #0366D6;
}

.footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid #E1E4E8;
  font-size: 13px;
  color: #959DA5;
  text-align: center;
}

.back-link {
  display: inline-block;
  margin-bottom: 20px;
  font-size: 14px;
  color: #0366D6;
}