:root{
  --bg:#ffffff;
  --card:#ffffff;
  --ink:#111827;
  --muted:#6b7280;
  --accent:#6557A2;
  --grid:rgba(17,24,39,.12);
  --ink-soft:#374151;
  --ok:#10b981;
  --warn:#f59e0b;
  --err:#ef4444;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}

header,footer{max-width:1680px;margin:20px auto;padding:0 16px}
header h1{margin:0 0 6px;font-size:26px;color:var(--accent)}
header p{margin:0;color:var(--ink-soft)}

main{max-width:1680px;margin:12px auto 40px;padding:0 16px;display:grid;gap:16px;grid-template-columns:1fr;align-items:start}

.card{background:var(--card);border:1px solid var(--grid);border-radius:16px;padding:14px;box-shadow:0 8px 24px rgba(0,0,0,.06);position:relative}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;border-top-left-radius:16px;border-top-right-radius:16px;background:var(--accent);opacity:.85}
.card-data{background:#f8f7ff}
.card-plot{background:#ffffff}
.card-result{background:#f9fff8;border-radius:14px;padding:10px;border:1px solid rgba(16,185,129,.16)}

h2{margin:0 0 12px;font-size:18px;color:var(--ink)}
h3{margin:0 0 8px;font-size:14px;color:var(--ink-soft)}
small.help{color:var(--muted)}

.top-grid{display:grid;grid-template-columns:minmax(420px, 0.95fr) 1fr;gap:14px;align-items:start}
@media (max-width: 980px){ .top-grid{grid-template-columns:1fr} }

label{display:block;font-size:12px;margin-bottom:3px;color:var(--ink-soft)}
input[type="number"],input[type="text"],select{
  background:#fff;color:var(--ink);
  border:1px solid var(--grid);
  border-radius:10px;
  padding:7px 8px;
  width:100%;
  min-width:0;
  font-size:12.5px;
}
select{padding:6px 8px}

button{
  background:#fff;color:var(--ink);
  border:1px solid var(--grid);
  border-radius:10px;
  padding:8px 10px;
  cursor:pointer;
  transition:border-color .15s,box-shadow .15s,transform .02s;
}
button:hover{border-color:var(--accent);box-shadow:0 0 0 3px rgba(101,87,162,.18)}
button:active{transform:translateY(.5px)}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-outline{background:#fff;color:var(--accent);border-color:var(--accent)}
.btn-danger{background:#fff;color:#991b1b;border-color:#fecaca}
.btn-danger:hover{box-shadow:0 0 0 3px rgba(248,113,113,.18)}

.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

details{border:1px dashed var(--grid);border-radius:12px;padding:8px 10px;background:#fff}
details summary{cursor:pointer;color:var(--ink);font-weight:600}
details .content{margin-top:8px}

.table-wrap{margin-top:8px}
table.compact{width:100%;border-collapse:collapse}
table.compact thead th{text-align:left;font-size:12px;padding:8px 6px;border-bottom:1px solid var(--grid);color:var(--ink-soft)}
table.compact tbody td{padding:6px 6px;border-bottom:1px solid rgba(17,24,39,.06);vertical-align:top}
table.compact tbody tr:hover td{background:rgba(101,87,162,.05)}
td.mono{font-variant-numeric:tabular-nums}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;border:1px solid var(--grid);color:var(--muted);background:#fff}
.badge.ok{border-color:rgba(16,185,129,.28);color:#065f46;background:rgba(16,185,129,.06)}
.badge.err{border-color:rgba(239,68,68,.28);color:#7f1d1d;background:rgba(239,68,68,.06)}
.badge.warn{border-color:rgba(245,158,11,.32);color:#78350f;background:rgba(245,158,11,.08)}

.plot{position:relative;min-height:360px;height:clamp(360px,52vh,720px);background:#fff;border:1px solid var(--grid);border-radius:12px;overflow:hidden}
.plot canvas{width:100%;height:100%;display:block}

.legendbar{
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;margin-top:10px;
  color:var(--muted);font-size:12px
}
.legendbar label{display:flex;gap:6px;align-items:center;margin:0;color:var(--muted);font-size:12px}
.legendbar input[type="checkbox"]{width:auto}
.kpi{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:10px}
@media (max-width: 980px){ .kpi{grid-template-columns:repeat(2,1fr)} }
.kpi .box{background:#fff;border:1px solid var(--grid);border-radius:12px;padding:8px 10px}
.kpi .box .v{font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.kpi .box .k{font-size:11px;color:var(--muted)}

footer{color:var(--muted);text-align:center}

input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button{ -webkit-appearance:none;margin:0 }
input[type=number]{ -moz-appearance:textfield }

.note{font-size:12px;color:var(--muted)}
hr.sep{border:none;border-top:1px solid var(--grid);margin:10px 0}


/* Plot overlay (sag reference radios) */
.plot { position: relative; }
.plot-overlay{
  position:absolute;
  left:12px;
  bottom:12px;
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(15,23,42,.15);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.25;
  backdrop-filter: blur(4px);
}
.plot-overlay .overlay-title{
  font-weight: 650;
  margin-bottom: 6px;
}
.plot-overlay label{
  display:flex;
  gap:8px;
  align-items:center;
  margin: 4px 0;
}


/* --- Layout adjustments (v2) --- */
.card-input{background:#f8f7ff}
.input-grid{
  display:grid;
  grid-template-columns:minmax(420px, 0.95fr) 1fr;
  gap:14px;
  align-items:start;
}
@media (max-width: 980px){ .input-grid{grid-template-columns:1fr} }

.input-right h3{margin-top:0}

.plot-head{
  display:flex;
  gap:14px;
  align-items:flex-end;
  justify-content:space-between;
  flex-wrap:wrap;
  margin-bottom:10px;
}
.plot-controls{min-width:320px;flex:1;max-width:520px}

table.compact.compact-small thead th{font-size:11px;padding:7px 6px}
table.compact.compact-small tbody td{font-size:11.5px;padding:6px 6px}

.kpi.kpi-compact{grid-template-columns:repeat(2,minmax(140px,1fr))}
.kpi.kpi-compact .box .v{font-size:13px}

.card-objects{background:#ffffff}

/* SSS_IFRAME_HEIGHT_HELPERS */
/* Zorg dat de child-document hoogte netjes berekend wordt en geen eigen scrollbars introduceert. */
html, body {
  height: auto;
  overflow-x: hidden;
  overflow-y: hidden; /* de pagina scrollt via WordPress, niet binnen de iframe */
}