:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1f2933;
  --muted: #6b7280;
  --line: #d7dde3;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --err: #dc2626;
  --ok: #15803d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.balk {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.logo { height: 38px; width: auto; display: block; }
.merknaam { font-weight: 600; }

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.kaart {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

h1 { font-size: 1.4rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.1rem; margin: 0 0 0.75rem; }

.intro { color: var(--muted); margin-bottom: 1.5rem; }

table.groepen {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table.groepen th, table.groepen td {
  border-bottom: 1px solid var(--line);
  padding: 0.5rem 0.4rem;
  text-align: left;
  vertical-align: top;
}
table.groepen th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }

.opties label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-right: 0.75rem;
  white-space: nowrap;
  font-size: 0.9rem;
}

input[type="number"], input[type="text"], textarea {
  width: 100%;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}
textarea { min-height: 4.5rem; resize: vertical; }

.veld { margin-bottom: 1rem; }
.veld label.blok { display: block; font-weight: 600; margin-bottom: 0.35rem; }
.hulp { color: var(--muted); font-size: 0.85rem; margin-top: 0.25rem; }

.knop {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
}
.knop:hover { opacity: 0.92; }
.knop.klein { padding: 0.3rem 0.8rem; font-size: 0.85rem; }

.fout {
  background: #fef2f2;
  border: 1px solid var(--err);
  color: var(--err);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.melding {
  background: #f0fdf4;
  border: 1px solid var(--ok);
  color: var(--ok);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.rij-fieldset {
  display: none;
}

ul.linklijst { list-style: none; padding: 0; margin: 0; }
ul.linklijst li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
}
.badge { font-size: 0.8rem; padding: 0.15rem 0.55rem; border-radius: 999px; }
.badge.open { background: #fef3c7; color: #92400e; }
.badge.klaar { background: #dcfce7; color: #166534; }

.linkveld {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  word-break: break-all;
  background: var(--bg);
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
}

.terug { display: inline-block; margin-bottom: 1rem; color: var(--accent); text-decoration: none; }