/* Purser · KDB.one – schlichtes Grundlayout */
:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1d2125;
  --muted: #5b636b;
  --border: #d9dcdf;
  --accent: #0b5d7a;
  --practice-bg: #fff3cd;
  --practice-text: #664d03;
  --error: #a4161a;
  --success: #2b6a3a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181b;
    --surface: #1d2125;
    --text: #e8eaed;
    --muted: #a3abb3;
    --border: #353b41;
    --accent: #5cb3d4;
    --practice-bg: #4a3b05;
    --practice-text: #ffe69c;
    --error: #ff8a8a;
    --success: #8fd19e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.practice-banner {
  background: var(--practice-bg);
  color: var(--practice-text);
  padding: 0.5rem 1rem;
  font-weight: 600;
  text-align: center;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.brand span { color: var(--muted); font-weight: 400; }

nav { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
nav a { color: var(--accent); text-decoration: none; }
nav form { margin: 0; }

main { max-width: 56rem; margin: 0 auto; padding: 1.5rem 1rem 3rem; }

h1 { font-size: 1.6rem; margin-top: 0; }
h2 { font-size: 1.2rem; }

a { color: var(--accent); }

input, select, textarea {
  font: inherit;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  max-width: 100%;
}

button, input[type="submit"] {
  font: inherit;
  padding: 0.5rem 1rem;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button.link {
  background: none;
  color: var(--accent);
  padding: 0;
}

form p, form div { margin-bottom: 0.75rem; }
label { display: block; font-weight: 600; margin-bottom: 0.25rem; }

.messages { list-style: none; padding: 0; }
.messages li {
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  margin-bottom: 0.5rem;
}
.messages .error, .errorlist { color: var(--error); }
.messages .success { color: var(--success); }

table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1rem 0 1.5rem;
}
.card h2 { margin-top: 0; }

.help { display: block; color: var(--muted); font-size: 0.875rem; margin-top: 0.25rem; }

.tabs { display: flex; gap: 1rem; margin: 1rem 0; border-bottom: 1px solid var(--border); }
.tabs a { padding: 0.4rem 0; text-decoration: none; }
.tabs a[aria-current="page"] { font-weight: 700; border-bottom: 2px solid var(--accent); }

.status { font-size: 0.9rem; font-weight: 400; color: var(--muted); }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

button.danger { background: var(--error); }

/* Kamera-Feld nur auf Touch-Geräten (Handy, Tablet) */
.touch-only { display: none; }
@media (pointer: coarse) {
  .touch-only { display: block; }
}

input[type="file"], input[type="text"], textarea { width: 100%; }
button, input[type="submit"] { min-height: 2.75rem; }
button.link { min-height: 0; }

@media (max-width: 40rem) {
  .practice-banner { font-size: 0.8rem; padding: 0.35rem 0.75rem; }
  nav { gap: 0.75rem; }
}

@media (max-width: 40rem) {
  .facts { grid-template-columns: 1fr; }
  .facts dd { margin-bottom: 0.5rem; }
  /* Breite Tabellen seitlich scrollen statt die Seite zu verbreitern */
  table { font-size: 0.9rem; display: block; overflow-x: auto; }
}