:root {
  --color-pinned-primary: #2b6cb0;
  --color-pinned-accent: #63b3ed;
  --color-unpinned-primary: #c53030;
  --color-unpinned-accent: #fc8181;
  --color-bg: #ffffff;
  --color-text: #1a202c;
  --color-surface: #f7fafc;
  --color-border: #e2e8f0;
  --transition-default: 0.3s ease-in-out;
}

/* Section: Pinned/Unpinned Colors */
.pinned-data {
  background-color: var(--color-pinned-accent);
  color: var(--color-text);
  border-left: 4px solid var(--color-pinned-primary);
  transition: background-color var(--transition-default), border-color var(--transition-default);
}

.pinned-data:hover {
  background-color: var(--color-pinned-primary);
  color: #ffffff;
}

.unpinned-data {
  background-color: var(--color-unpinned-accent);
  color: var(--color-text);
  border-left: 4px solid var(--color-unpinned-primary);
  transition: background-color var(--transition-default), border-color var(--transition-default);
}

.unpinned-data:hover {
  background-color: var(--color-unpinned-primary);
  color: #ffffff;
}

/* Section: Dark Mode */
body.dark-theme {
  --color-bg: #1a202c;
  --color-text: #edf2f7;
  --color-surface: #2d3748;
  --color-border: #4a5568;
  background-color: var(--color-bg);
  color: var(--color-text);
}

body.dark-theme .pinned-data {
  background-color: #2c5282;
  border-left-color: #2b6cb0;
  color: var(--color-text);
}

body.dark-theme .pinned-data:hover {
  background-color: var(--color-pinned-primary);
  color: #ffffff;
}

body.dark-theme .unpinned-data {
  background-color: #822727;
  border-left-color: #c53030;
  color: var(--color-text);
}

body.dark-theme .unpinned-data:hover {
  background-color: var(--color-unpinned-primary);
  color: #ffffff;
}

/* Footer copyright */
footer {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text);
  margin-top: 2rem;
}

footer::after {
  content: "© 2026 Donau2Space.de";
  display: block;
  margin-top: 0.25rem;
}