:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --primary:#2563eb;
  --danger:#dc2626;
  --success:#16a34a;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220;
    --card:#0f172a;
    --text:#e5e7eb;
    --muted:#9ca3af;
    --border:#1f2937;
    --primary:#60a5fa;
    --danger:#f87171;
    --success:#34d399;
    --shadow: 0 10px 30px rgba(0,0,0,.35);
  }
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
}
.container{max-width:1100px;margin:0 auto;padding:16px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border:1px solid var(--border);border-radius:16px;
  background:var(--card);box-shadow:var(--shadow);
}
.brand{font-weight:800;letter-spacing:.2px}
.nav{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.navlink{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:10px;border:1px solid transparent}
.navlink:hover{border-color:var(--border)}
.stack{display:flex;flex-direction:column;gap:14px;margin-top:14px}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px;
  box-shadow:var(--shadow);
}
.cardtitle{margin:0 0 6px 0}
.card-error{border-color:rgba(220,38,38,.35)}
.card-success{border-color:rgba(22,163,74,.35)}
.muted{color:var(--muted)}
.footer{padding:18px 6px;text-align:center}

.grid-2{display:grid;grid-template-columns:1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:1fr;gap:12px}
.grid-cards{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width: 860px){
  .grid-2{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:2fr 2fr 1fr}
  .grid-cards{grid-template-columns:1fr 1fr}
}

.form{display:flex;flex-direction:column;gap:10px}
.form-inline{gap:12px}
label{font-size:14px;font-weight:650}
input{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  background:transparent;
  color:var(--text);
}
input:focus{outline:2px solid rgba(37,99,235,.25);outline-offset:2px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row-space{justify-content:space-between}
.meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:14px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 12px;border-radius:12px;
  border:1px solid var(--border);
  background:transparent;color:var(--text);
  text-decoration:none;cursor:pointer;font-weight:650;
}
.btn:hover{filter:brightness(1.03)}
.btn-primary{background:var(--primary);border-color:transparent;color:white}
.btn-secondary{background:transparent}
.btn-danger{background:var(--danger);border-color:transparent;color:white}

.progress{
  width:100%;height:12px;border-radius:999px;overflow:hidden;
  border:1px solid var(--border);display:flex;background:rgba(0,0,0,.05);
}
.seg{height:100%}
.seg.learned{background:rgba(22,163,74,.85)}
.seg.almost{background:rgba(245,158,11,.85)}
.seg.not{background:rgba(220,38,38,.75)}

.bullets{margin:10px 0 0 18px;color:var(--muted)}

.cookiebar{
  position:fixed;
  left:16px;
  right:16px;
  bottom:16px;
  z-index:9999;
}
.cookiebar-inner{
  display:flex;
  gap:14px;
  align-items:center;
  justify-content:space-between;
  padding:14px 16px;
  border-radius:16px;
  border:1px solid var(--border);
  background:var(--card);
  box-shadow:var(--shadow);
  flex-wrap:wrap;
}
/* =========================
   Filter panel + select styling
========================= */

.filter-panel{
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px;
  background:rgba(0,0,0,.02);
}

@media (prefers-color-scheme: dark){
  .filter-panel{
    background:rgba(255,255,255,.03);
  }
}

select{
  width:100%;
  padding:10px 40px 10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  background-color:transparent;
  color:var(--text);
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  line-height:1.2;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% - 2px),
    calc(100% - 12px) calc(50% - 2px);
  background-size:6px 6px, 6px 6px;
  background-repeat:no-repeat;
}

select:focus{
  outline:2px solid rgba(37,99,235,.25);
  outline-offset:2px;
}

select option{
  background:var(--card);
  color:var(--text);
}

/* Kleine polish voor filter buttons-rij */
.filter-actions{
  display:flex;
  gap:10px;
  align-items:end;
  flex-wrap:wrap;
}