:root {
  --color-canvas: #f5f5f0;
  --color-surface: #ffffff;
  --color-ink: #1a1a1a;
  --color-ink-muted: #666666;
  --color-border: #e0e0dc;
  --color-border-strong: #c9c9c9;
  --color-blue: #0057ff;
  --color-blue-hover: #0044cc;
  --color-blue-tint: #e8f0ff;
  --color-panel: #1a1a1a;
  --color-panel-text: #d3d3d3;
  --color-panel-muted: #8b8b8b;
  --color-green: #2ea043;
  --color-amber: #ffb020;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  margin: 0;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-family: "Inter", sans-serif;
}

.page {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.content {
  flex: 1 0 auto;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 64px 56px 80px;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

/* Card */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 14px;
}

.card-header.mono {
  font-family: "JetBrains Mono", monospace;
}

.card-body {
  padding: 16px;
}

/* Home */
.home-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
}

.name {
  font-size: 34px;
  font-weight: 700;
  color: var(--color-ink);
  margin: 0 0 16px;
}

.bio {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-ink);
  margin: 0;
}

.facts {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
}

.fact-row {
  display: flex;
  gap: 8px;
}

.fact-label {
  color: var(--color-ink);
  min-width: 70px;
}

.fact-value {
  color: var(--color-ink-muted);
}

/* Projects */
.section-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
  margin-bottom: 16px;
}

.ptz-label {
  margin-top: 40px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-desc {
  font-size: 14px;
  color: var(--color-ink-muted);
  margin: 0 0 12px;
}

.repo-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-blue);
  text-decoration: none;
}

.repo-link:hover {
  color: var(--color-blue-hover);
  text-decoration: underline;
}

.badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-border);
  color: var(--color-ink-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  text-transform: uppercase;
}

/* Impressum */
.impressum-card {
  max-width: 640px;
}

.impressum-body {
  font-size: 14px;
  line-height: 1.7;
}

/* Footer / nav bar */
#footer {
  position: sticky;
  bottom: 0;
  z-index: 10;
  background: #1a1a1a;
  color: #d3d3d3;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  padding: 10px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#hostname {
  font-weight: bold;
  color: #c9a6ff;
}

#windows {
  display: flex;
  gap: 4px;
}

#windows .tab {
  padding: 2px 10px;
  cursor: pointer;
  color: #9e9e9e;
  text-decoration: none;
}

#windows .tab.active {
  color: #39d353;
}

#clock {
  display: flex;
  gap: 12px;
}

#date {
  color: var(--color-amber);
}

#time {
  color: var(--color-green);
  font-weight: bold;
}

/* Responsive */
@media (max-width: 800px) {
  .content {
    padding: 32px 24px 80px;
  }

  .home-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .name {
    font-size: 28px;
  }

  .content {
    padding-bottom: 100px;
  }

  #footer {
    flex-wrap: wrap;
    gap: 6px 12px;
    padding: 8px 16px;
  }

  #windows {
    order: 3;
    flex-basis: 100%;
    justify-content: flex-start;
  }
}