:root{--bg:#F4F1FF;--surface:#fff;--ink:#1E1846;--muted:#625B8A;--line:#E2DBFF;--violet:#6B3CF5;--violet-d:#4B22C9;
  --on-violet:#fff;--sun:#FFC22E;--sunbg:#FFF1C2;--bad:#D6455D;--display:"Fredoka","Trebuchet MS",sans-serif;
  --body:"Nunito","Trebuchet MS",sans-serif;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#14112B;--surface:#1F1A40;--ink:#F2EFFF;--muted:#ABA5CF;--line:#352E62;
  --violet:#8B66FF;--violet-d:#5B37D6;--sunbg:#4A3A10;color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.5 var(--body);min-height:100vh;display:flex;flex-direction:column}
a{color:var(--violet)}
.top{display:flex;align-items:center;gap:12px;padding:14px 20px;max-width:960px;width:100%;margin:0 auto}
.logo{font-family:var(--display);font-weight:600;font-size:1.45rem;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px}
.logo span{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--violet);color:#fff;font-size:1.1rem;box-shadow:0 3px 0 var(--violet-d)}
.top .sp{flex:1}
.who{color:var(--muted);font-weight:700;font-size:.95rem}
.linkbtn{background:none;border:0;padding:6px 10px;border-radius:10px;font:inherit;font-weight:800;color:var(--violet);cursor:pointer}
.linkbtn:hover{background:var(--surface)}
a.linkbtn{text-decoration:none}
main{flex:1;width:100%;max-width:960px;margin:0 auto;padding:8px 20px 40px}
h1{font-family:var(--display);font-weight:600;font-size:2rem;margin:10px 0 4px}
.lead{color:var(--muted);margin:0 0 22px;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.card{background:var(--surface);border-radius:22px;padding:18px 18px 16px;box-shadow:0 5px 0 var(--line);display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;transition:transform .12s,box-shadow .12s}
.card:hover{transform:translateY(-2px);box-shadow:0 7px 0 var(--line)}
.card:active{transform:translateY(2px);box-shadow:0 3px 0 var(--line)}
.card h2{font-family:var(--display);font-weight:600;font-size:1.3rem;margin:0}
.card .lang{color:var(--muted);font-weight:700;font-size:.9rem;margin-top:-10px}
.stats{display:flex;gap:10px}
.stat{flex:1;background:var(--bg);border-radius:14px;padding:8px 10px}
.stat b{display:block;font-family:var(--display);font-weight:600;font-size:1.35rem}
.stat i{font-style:normal;color:var(--muted);font-weight:700;font-size:.78rem;white-space:nowrap}
.go{margin-top:auto;align-self:flex-start;font-family:var(--display);font-weight:600;background:var(--violet);color:var(--on-violet);padding:8px 16px;border-radius:14px;box-shadow:0 4px 0 var(--violet-d)}
.empty{background:var(--surface);border-radius:22px;padding:24px;box-shadow:0 5px 0 var(--line);color:var(--muted);font-weight:700}
/* formulieren */
.auth{max-width:400px;margin:4vh auto 0;background:var(--surface);border-radius:24px;padding:28px 26px;box-shadow:0 6px 0 var(--line)}
.auth h1{margin-top:0}
label{display:block;font-weight:800;margin:14px 0 6px}
input[type=text],input[type=password],input[type=email]{width:100%;font:inherit;font-size:1.05rem;padding:11px 13px;border-radius:14px;border:2px solid var(--line);background:var(--bg);color:var(--ink)}
input:focus{outline:none;border-color:var(--violet)}
.btn{margin-top:20px;width:100%;font-family:var(--display);font-weight:600;font-size:1.1rem;padding:12px 18px;border-radius:14px;border:0;background:var(--violet);color:var(--on-violet);box-shadow:0 4px 0 var(--violet-d);cursor:pointer}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 var(--violet-d)}
.err{background:#FFE3E8;color:#8A1730;border-radius:12px;padding:10px 12px;font-weight:700;margin:12px 0 0}
@media (prefers-color-scheme:dark){.err{background:#4A1824;color:#FFD0DA}}
.small{font-size:.92rem;color:var(--muted);margin-top:16px;text-align:center}
.helptext,.helptext ul{color:var(--muted);font-size:.85rem}
footer{text-align:center;color:var(--muted);font-size:.85rem;padding:18px}
/* gebruikersbeheer */
.msgs{margin:0 0 14px}.msg{background:#DFF7E9;color:#0E5E36;border-radius:12px;padding:10px 14px;font-weight:700;margin:0 0 8px}
.msg.error{background:#FFE3E8;color:#8A1730}
@media (prefers-color-scheme:dark){.msg{background:#123D29;color:#BFF0D3}.msg.error{background:#4A1824;color:#FFD0DA}}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.head-row .lead{margin-bottom:0}
.btn-inline{width:auto;margin:0;text-decoration:none;display:inline-block}
.btn-danger{background:var(--bad);box-shadow:0 4px 0 #9E2B3F}
.ulist{display:flex;flex-direction:column;gap:12px}
.urow{background:var(--surface);border-radius:18px;padding:14px 16px;box-shadow:0 4px 0 var(--line);display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center}
.urow.off{opacity:.65}
.uname{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.uname b{font-family:var(--display);font-weight:600;font-size:1.15rem}
.ucourses{grid-column:1;display:flex;gap:6px;flex-wrap:wrap}
.umeta{grid-column:1;font-size:.85rem}
.uact{grid-column:2;grid-row:1/4;display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.muted{color:var(--muted);font-weight:600}
.chip{background:var(--bg);border-radius:999px;padding:3px 10px;font-size:.88rem;font-weight:700}
.tag{background:var(--sunbg);border-radius:8px;padding:1px 8px;font-size:.78rem;font-weight:800}
.tag-off{background:#FFE3E8;color:#8A1730}.tag-me{background:var(--line)}
.linkbtn.danger{color:var(--bad)}
.auth.wide{max-width:640px;margin-top:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.field label{margin-top:12px}
.box{border:2px solid var(--line);border-radius:16px;padding:6px 14px 12px;margin:18px 0 0}
.box legend{font-weight:800;padding:0 6px}
.checks{display:flex;flex-direction:column;gap:2px}
label.check{display:flex;align-items:center;gap:10px;font-weight:700;margin:8px 0 0;cursor:pointer}
label.check input{width:20px;height:20px;accent-color:var(--violet)}
@media (max-width:600px){.grid2{grid-template-columns:1fr}.grid2>div:empty{display:none}.urow{grid-template-columns:1fr}.uact{grid-column:1;grid-row:auto;justify-content:flex-start}}