:root {
  --bg: #f5f5f7;
  --fg: #1c1c1e;
  --fg-muted: rgba(28, 28, 30, 0.55);
  --grid-gap: 16px;
}

[data-theme="dark"] {
  --bg: #0f0f12;
  --fg: #f0f0f5;
  --fg-muted: rgba(240, 240, 245, 0.55);
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}

#grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
  padding: var(--grid-gap);
  min-height: 100%;
  box-sizing: border-box;
}

.placeholder {
  grid-column: 1 / -1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  min-height: 80vh;
  text-align: center;
}

.placeholder h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 200;
  letter-spacing: -0.02em;
  margin: 0;
}

.placeholder .hint {
  font-size: 1.25rem;
  margin: 0;
  opacity: 0.7;
}

.placeholder .meta {
  font-size: 0.9rem;
  margin: 0;
  color: var(--fg-muted);
}