:root {
  --bg: #f7f7f7;
  --fg: #222;
  --accent: #2563eb;
  --green: #16a34a;
  --red: #dc2626;
  --yellow: #f59e0b;
  --card: #fff;
  --border: #e5e7eb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
}
main {
  max-width: 720px;
  margin: 2rem auto;
  padding: 1.5rem 2rem;
  background: var(--card);
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
main.narrow { max-width: 380px; }
h1 { margin-top: 0; }
.lead { color: #555; }
.hint { color: #666; font-size: 0.8rem; }
/* Keep Tom Select's control at the same height as native inputs, whether empty
   (placeholder shown) or with a selected item. */
.ts-wrapper .ts-control { min-height: calc(1.4em + 1rem + 2px); }
form { display: grid; gap: 0.75rem; margin-top: 1rem; }
label { display: grid; gap: 0.25rem; font-size: 0.9rem; }
label.inline { display: flex; align-items: center; gap: 0.5rem; }
input, select { padding: 0.5rem; border: 1px solid var(--border); border-radius: 4px; font: inherit; }
button {
  padding: 0.6rem 1rem; border: none; border-radius: 4px;
  background: var(--accent); color: white; font-weight: 600; cursor: pointer;
}
button:hover { filter: brightness(0.95); }
#result { margin-top: 1.5rem; padding: 1rem; border-radius: 6px; border-left: 4px solid var(--border); background: #fafafa; }
#result.banned { border-color: var(--red); }
#result.unlimited { border-color: var(--green); }
#result.incomplete { border-color: var(--yellow); }
#result .quelle { margin: 0.5rem 0 0; font-size: 0.8rem; color: #666; }
.flash { background: #ecfdf5; border-left: 4px solid var(--green); padding: 0.5rem 0.75rem; }
.error { color: var(--red); }
.issues { list-style: none; padding: 0; }
.issues li { padding: 0.4rem 0.6rem; border-left: 3px solid var(--border); margin: 0.25rem 0; background: #fafafa; }
.issues li.fatal { border-color: var(--red); }
.issues li.warning { border-color: var(--yellow); }
table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
th, td { text-align: left; padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
code { font-family: ui-monospace, monospace; font-size: 0.85em; }
section { margin: 1.5rem 0; }