:root {
  --bg-color: #000000;
  --text-main: #ffffff;
  --text-muted: #888888;
  --border-color: #333333;
  --link-color: #ffffff;
  --new-badge-text: #ff007f;
  --new-badge-border: #ff007f;
  --max-width: 480px;
}

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

body {
  font-family: 'Geist', 'GeistSans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: #f3f4f6;
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.profile-avatar {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.profile-info {
  display: flex;
  flex-direction: column;
}

h1 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 2px;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.profile-title {
  font-size: 13px;
  color: #9ca3af;
  font-weight: 500;
}

.last-updated {
  font-size: 14px;
  color: #60a5fa;
  font-weight: 500;
  margin-bottom: 32px;
}

.bio p {
  margin-bottom: 24px;
  font-weight: 500;
  color: #f3f4f6;
}

.bio a {
  color: #ffffff;
  text-decoration: underline;
  text-decoration-color: #4b5563;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.bio a:hover {
  opacity: 0.6;
}

.writing-section {
  margin-top: 48px;
}

.section-title {
  font-size: 18px;
  color: #f87171;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.writing-list {
  list-style: none;
}

.writing-item {
  display: flex;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid #1f2937;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.writing-item:last-child {
  border-bottom: none;
}

.writing-item:hover {
  opacity: 0.6;
}

.writing-time {
  font-size: 12px;
  font-weight: 600;
  width: 52px;
  flex-shrink: 0;
  padding-top: 2px;
}

.writing-time.recent {
  color: #f87171;
}

.writing-time.older {
  color: #9ca3af;
}

.writing-title {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.site-footer {
  margin-top: 64px;
  padding-bottom: 24px;
  font-size: 14px;
  font-weight: 500;
  color: #9ca3af;
  background-color: var(--bg-color);
}

.gradient-line {
  height: 1px;
  background: linear-gradient(to right, transparent, #374151, transparent);
  margin: 0 0 24px 0;
  border: none;
}

.footer-links {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
}

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
}

.copyright {
  color: #9ca3af;
}

.top-banner {
  background-color: #ffffff;
  color: #0f172a;
  text-align: center;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 500;
}

.top-banner strong {
  font-weight: 800;
}

.top-banner a {
  color: #0f172a;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
  font-weight: 700;
  margin-left: 6px;
  transition: opacity 0.2s;
}

.top-banner a:hover {
  opacity: 0.7;
}