:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #111827;
  --muted: #6b7280;
  --card: #f3f4f6;
  --border: #e5e7eb;
  --link: #2563eb;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

:root[data-theme="dark"] {
  --bg: #0b1020;
  --fg: #e5e7eb;
  --muted: #a1a1aa;
  --card: #111827;
  --border: #273244;
  --link: #60a5fa;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.subtitle {
  color: var(--muted);
  font-size: 14px;
}

.actions { display: flex; gap: 10px; }

button {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  border-radius: 12px;
  padding: 8px 12px;
  cursor: pointer;
}
button:hover {
  background: color-mix(in srgb, var(--card), transparent 40%);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 860px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p { margin: 0 0 10px; color: var(--fg); }
.footer { margin-top: 18px; color: var(--muted); font-size: 13px; }

/* Prism: optisch besser in Cards */
pre {
  border-radius: 14px;
  overflow: auto;
  margin: 0;
}