#alex-landing {
  min-height: 100vh;
  background: #0d1117;
  color: #e6edf3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Hero */
.hero {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 80px 24px 60px;
  text-align: center;
}
.hero-inner {
  max-width: 640px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin: 0 0 12px;
  background: linear-gradient(135deg, #e6edf3 0%, #58a6ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  padding: 10px 24px;
  border-radius: 8px;
  background: #238636;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-primary:hover { background: #2ea043; }
.btn-ghost {
  padding: 10px 24px;
  border-radius: 8px;
  border: 1px solid #30363d;
  color: #e6edf3;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover { border-color: #58a6ff; background: #58a6ff11; }

/* Projects section */
.projects-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}
.section-header {
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: #e6edf3;
}
.subtitle {
  font-size: 0.9rem;
  color: #8b949e;
}

/* Grid */
.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* Skeleton loaders */
.skeleton-card {
  height: 160px;
  border-radius: 12px;
  background: linear-gradient(90deg, #161b22 25%, #21262d 50%, #161b22 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Repo cards */
.repo-card {
  background: #161b22;
  border: 1px solid #21262d;
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.repo-card:hover {
  border-color: #58a6ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px #58a6ff1a;
}
.repo-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}
.repo-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}
.repo-name {
  font-size: 1rem;
  font-weight: 600;
  color: #58a6ff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.repo-private {
  font-size: 0.7rem;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 4px;
  padding: 1px 6px;
  color: #8b949e;
  flex-shrink: 0;
}
.repo-desc {
  font-size: 0.875rem;
  color: #8b949e;
  line-height: 1.5;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.repo-commit {
  font-size: 0.8rem;
  color: #6e7681;
  border-top: 1px solid #21262d;
  padding-top: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
}
.commit-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #238636;
  flex-shrink: 0;
}
.commit-msg {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.commit-time {
  color: #484f58;
  flex-shrink: 0;
}
.repo-meta {
  display: flex;
  gap: 14px;
  font-size: 0.8rem;
  color: #6e7681;
}
.repo-meta span { display: flex; align-items: center; gap: 4px; }

/* Error state */
.error-msg {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: #8b949e;
  font-size: 0.95rem;
}

/* Activity section */
.activity-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}
.view-all-link {
  font-size: 0.85rem;
  color: #58a6ff;
  text-decoration: none;
  margin-left: auto;
}
.view-all-link:hover { text-decoration: underline; }
.activity-feed {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid #21262d;
  border-radius: 12px;
  overflow: hidden;
}
.skeleton-activity {
  height: 52px;
  background: linear-gradient(90deg, #161b22 25%, #21262d 50%, #161b22 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-top: 1px solid #0d1117;
}
.skeleton-activity:first-child { border-top: none; }
.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: #161b22;
  border-top: 1px solid #21262d;
  font-size: 0.875rem;
  transition: background 0.15s;
}
.activity-item:first-child { border-top: none; }
.activity-item:hover { background: #1c2128; }
.activity-op-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #21262d;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  margin-top: 1px;
}
.activity-body { flex: 1; min-width: 0; }
.activity-headline { color: #e6edf3; line-height: 1.5; }
.activity-headline a {
  color: #58a6ff;
  text-decoration: none;
  font-weight: 600;
}
.activity-headline a:hover { text-decoration: underline; }
.activity-commits {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.activity-commit-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #8b949e;
  overflow: hidden;
}
.activity-commit-sha {
  font-family: monospace;
  font-size: 0.75rem;
  color: #58a6ff;
  flex-shrink: 0;
  text-decoration: none;
}
.activity-commit-sha:hover { text-decoration: underline; }
.activity-commit-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.activity-time {
  flex-shrink: 0;
  font-size: 0.78rem;
  color: #484f58;
  margin-left: auto;
  padding-left: 12px;
  white-space: nowrap;
}