:root{--bg:#f3f5f7;--card:#fff;--txt:#1f2933;--muted:#66727f;--line:#d8dee5;--acc:#1f5f78;--acc2:#17485b}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--txt);background:var(--bg)}
header{background:#163747;color:#fff;padding:14px 20px}header .balk{max-width:1180px;margin:auto;display:flex;gap:16px;align-items:center;justify-content:space-between}
header a{color:#fff;text-decoration:none}nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center}nav a,nav button{background:#ffffff1f;color:#fff;border:0;padding:8px 10px;border-radius:6px;cursor:pointer}
main{max-width:1180px;margin:22px auto;padding:0 16px 40px}.kaart{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.veld{margin-bottom:14px}label{display:block;margin-bottom:5px;font-weight:700}input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff}
textarea{min-height:110px;resize:vertical}button,.knop{display:inline-block;padding:9px 13px;border:0;border-radius:6px;background:var(--acc);color:#fff;text-decoration:none;cursor:pointer;font:inherit}
button:hover,.knop:hover{background:var(--acc2)}.secundair{background:#68737c}.melding{background:#e8f4ea;border:1px solid #acd4b3;padding:10px;border-radius:6px}.fout{background:#fdecec;border:1px solid #e6b2b2;padding:10px;border-radius:6px}
.klein{color:var(--muted);font-size:.9rem}.acties{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.statistieken{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px}.stat strong{display:block;font-size:1.6rem}
table{width:100%;border-collapse:collapse}th,td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f7f9fa}
@media(max-width:850px){.grid,.grid-3,.statistieken{grid-template-columns:1fr}header .balk{align-items:flex-start;flex-direction:column}}