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

:root {
  --color-black: #000000;
  --color-white: #ffffff;
  --color-gray: #666666;
  --color-light-gray: #f5f5f5;
  --color-border: #e0e0e0;
  --font-mono: 'Courier New', 'Monaco', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-black);
  background: var(--color-white);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.site-title {
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -1px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.site-description {
  font-size: 16px;
  color: var(--color-gray);
  font-weight: 300;
}

.profile {
  margin-bottom: var(--spacing-xxl);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  background: var(--color-light-gray);
}

.profile-content {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.avatar {
  flex-shrink: 0;
}

.avatar img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-black);
}

.profile-info {
  flex: 1;
}

.name {
  font-size: 24px;
  font-weight: 400;
  margin-bottom: var(--spacing-xs);
  color: var(--color-black);
}

.title {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: var(--spacing-sm);
  font-style: italic;
}

.bio {
  font-size: 14px;
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.contacts {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.contact-link {
  color: var(--color-black);
  text-decoration: none;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-black);
  transition: all 0.2s ease;
}

.contact-link:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.main {
  margin-bottom: var(--spacing-xxl);
}

.category {
  margin-bottom: var(--spacing-xl);
}

.category-title {
  font-size: 18px;
  font-weight: 400;
  margin-bottom: var(--spacing-lg);
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
}

.category-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 40px;
  height: 1px;
  background: var(--color-black);
}

.links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.link {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.link:hover {
  border-color: var(--color-black);
  background: var(--color-light-gray);
}

.link-content {
  flex: 1;
}

.link-title {
  margin-bottom: var(--spacing-xs);
}

.link-title a {
  color: var(--color-black);
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  transition: all 0.2s ease;
}

.link-title a:hover {
  text-decoration: underline;
}

.link-url {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gray);
  margin-bottom: var(--spacing-xs);
  word-break: break-all;
}

.link-description {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.4;
}

.link-actions {
  margin-left: var(--spacing-md);
  flex-shrink: 0;
}

.action-link {
  color: var(--color-gray);
  text-decoration: none;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.2s ease;
}

.action-link:hover {
  color: var(--color-black);
}

.empty {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--color-gray);
}

.empty p {
  margin-bottom: var(--spacing-sm);
  font-size: 14px;
}

.footer {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-gray);
  font-size: 12px;
}

.footer p {
  margin-bottom: var(--spacing-xs);
}

.admin-tools {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 1000;
}

.admin-link {
  color: var(--color-gray);
  text-decoration: none;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-gray);
  background: var(--color-white);
  transition: all 0.2s ease;
}

.admin-link:hover {
  color: var(--color-black);
  border-color: var(--color-black);
}

@media (max-width: 768px) {
  .container {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .site-title {
    font-size: 24px;
  }

  .site-description {
    font-size: 14px;
  }

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

  .avatar img {
    width: 60px;
    height: 60px;
  }

  .name {
    font-size: 20px;
  }

  .contacts {
    justify-content: center;
  }

  .link {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .link-actions {
    margin-left: 0;
    align-self: flex-start;
  }

  .admin-tools {
    position: static;
    justify-content: center;
    margin-top: var(--spacing-lg);
  }
}

@media (max-width: 480px) {