:root{--blauw:#1f6feb;--groen:#1a7f37;--rood:#cf222e;--bg:#f6f8fa;--kaart:#fff;--rand:#d0d7de}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 -apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:#1f2328}
.topbar{display:flex;justify-content:space-between;align-items:center;background:#0d1117;color:#fff;padding:12px 20px}
.topbar .merk{font-weight:700}.topbar nav{display:flex;gap:16px;align-items:center}.topbar a{color:#fff;text-decoration:none}
.logout{margin:0}.logout button,.logincard button{background:var(--blauw);color:#fff;border:0;border-radius:6px;padding:8px 14px;cursor:pointer}
main{max-width:1100px;margin:24px auto;padding:0 20px}
.kop{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.switch,.per{margin-left:8px}
.periode{margin-left:auto}.per{padding:4px 10px;border:1px solid var(--rand);border-radius:6px;text-decoration:none;color:#1f2328}
.per.actief{background:var(--blauw);color:#fff;border-color:var(--blauw)}
.stempel{color:#57606a;font-size:13px}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:16px 0}
.tile{background:var(--kaart);border:1px solid var(--rand);border-radius:10px;padding:16px}
.tile-label{color:#57606a;font-size:13px}.tile-val{font-size:30px;font-weight:700}
.badge{font-size:13px;font-weight:600}.badge.stijg{color:var(--groen)}.badge.daal{color:var(--rood)}
.charts{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:20px 0}.charts canvas{background:var(--kaart);border:1px solid var(--rand);border-radius:10px;padding:10px}
.tabellen{display:grid;grid-template-columns:1fr 1fr;gap:20px}
table{width:100%;border-collapse:collapse;background:var(--kaart);border:1px solid var(--rand);border-radius:10px;overflow:hidden}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--rand);font-size:14px}th{background:#f0f3f6}
.leeg{color:#57606a}
body.login{display:flex;min-height:100vh;align-items:center;justify-content:center}
.logincard{background:var(--kaart);border:1px solid var(--rand);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:12px;width:320px}
.logincard label{display:flex;flex-direction:column;font-size:13px;gap:4px}.logincard input{padding:8px;border:1px solid var(--rand);border-radius:6px}
.fout{color:var(--rood)}
@media(max-width:800px){.charts,.tabellen{grid-template-columns:1fr}}
.merk-wrap{display:flex;align-items:center;gap:10px}
.merk-logo{height:28px;width:auto;border-radius:4px;background:#fff;padding:2px}
.beheer-form{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.beheer-form input,.beheer-form select{padding:7px;border:1px solid var(--rand);border-radius:6px}
form.inline{display:flex;gap:6px;margin:0}
section{margin:24px 0}