:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --text: #172033;
  --muted: #66758a;
  --border: #e3e8ee;
  --accent: #2d6cdf;
  --accent-text: #ffffff;
  --accent-soft: #e8f0ff;
  --hover: #f3f6fa;
  --banner: #fff4d6;
  --banner-text: #7a5300;
  --error: #b42318;
  --error-soft: #fdecea;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d;
    --panel: #1b212b;
    --text: #e6eaf0;
    --muted: #97a3b4;
    --border: #2c3542;
    --accent: #5b8ff0;
    --accent-text: #0b1220;
    --accent-soft: #23314a;
    --hover: #222a36;
    --banner: #3a2f12;
    --banner-text: #f3d48a;
    --error: #ff8a80;
    --error-soft: #3b1c1a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif;
}

h1, h2 { margin: 0; font-weight: 650; }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
[hidden] { display: none !important; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.button:hover { border-color: var(--accent); }
.button:disabled { opacity: .6; cursor: default; }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.button.ghost { background: transparent; }
.button.wide { width: 100%; }
.small-button { padding: 4px 10px; font-size: 12px; }
.link-button {
  border: 0; background: none; padding: 0; color: var(--accent);
  font: inherit; cursor: pointer; text-decoration: underline;
}

input, select {
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  min-width: 0;
}
input:focus, select:focus, .button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="checkbox"], input[type="radio"] { width: 16px; height: 16px; padding: 0; accent-color: var(--accent); }

/* login */
.centered-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.login-card { width: min(380px, 100%); display: grid; gap: 14px; text-align: center; }
.login-logo { width: 216px; height: auto; margin: 0 auto; }

/* kop */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.topbar-logo { width: 120px; height: auto; flex-shrink: 0; }
.topbar-title { display: grid; flex: 1; min-width: 0; }
.topbar-user { display: flex; align-items: center; gap: 10px; }
.topbar-user form { margin: 0; }
.banner { background: var(--banner); color: var(--banner-text); padding: 7px 20px; font-size: 12px; font-weight: 700; letter-spacing: .02em; }

/* indeling */
.layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) 330px;
  gap: 16px;
  padding: 16px 20px;
  align-items: start;
}
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; min-width: 0; }
.detail-panel, .filter-panel { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow: auto; }
.filter-panel { display: grid; gap: 12px; align-content: start; }
.field { display: grid; gap: 4px; color: var(--muted); font-size: 12px; font-weight: 600; }
.field input, .field select { width: 100%; font-size: 14px; font-weight: 400; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }


.stats { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 4px; }
.stat { border: 1px solid var(--border); border-radius: 999px; padding: 3px 11px; display: inline-flex; align-items: baseline; gap: 6px; }
.stat-value { font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-label { color: var(--muted); font-size: 12px; white-space: nowrap; }


.error { margin-top: 10px; padding: 8px 12px; border-radius: 8px; background: var(--error-soft); color: var(--error); }

.table-info { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 12px 0 6px; color: var(--muted); font-size: 12px; }
.table-wrap { overflow: auto; max-height: calc(100vh - 300px); min-height: 240px; border: 1px solid var(--border); border-radius: 9px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
td:nth-child(3) { white-space: normal; min-width: 160px; }
thead th {
  position: sticky; top: 0; background: var(--panel); z-index: 1;
  color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
}
th[data-sort] { cursor: pointer; user-select: none; }
th.sorted::after { content: " ▲"; }
th.sorted.desc::after { content: " ▼"; }
th.check, td.check { width: 36px; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--hover); }
tbody tr.active { background: var(--accent-soft); box-shadow: inset 4px 0 0 var(--accent); }
tbody tr.active td { font-weight: 650; color: var(--accent); }

/* detail */
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 12px 0; border-bottom: 1px solid var(--border); }
.tab { border: 0; background: none; color: var(--muted); padding: 7px 8px; font: inherit; font-weight: 600; cursor: pointer; border-bottom: 2px solid transparent; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.fields { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 14px; margin: 0; }
.fields dt { color: var(--muted); font-size: 12px; padding-top: 2px; }
.fields dd { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }

/* dialogen */
dialog { border: 1px solid var(--border); border-radius: 12px; padding: 0; background: var(--panel); color: var(--text); width: min(820px, calc(100vw - 32px)); }
dialog::backdrop { background: rgb(0 0 0 / .45); }
.dialog-body { display: grid; gap: 12px; padding: 20px; max-height: calc(100vh - 64px); overflow: auto; }
.dialog-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.inline { display: inline-flex; align-items: center; gap: 6px; }
fieldset { border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px; display: grid; gap: 6px; }
legend { font-weight: 600; padding: 0 4px; }
#rules { display: grid; gap: 8px; }
#add-rule { justify-self: start; }
.rule { display: grid; grid-template-columns: minmax(0, 190px) minmax(0, 160px) minmax(0, 1fr) auto; gap: 8px; }
.rule-value input { width: 100%; }
.column-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.column-group { display: grid; gap: 4px; align-content: start; }
.group-title { font-weight: 700; text-align: left; text-decoration: none; }

.footer { padding: 0 20px 16px; }

@media (max-width: 1180px) {
  .layout { grid-template-columns: 230px minmax(0, 1fr); }
  .detail-panel { grid-column: 1 / -1; position: static; max-height: none; }
}

@media (max-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 12px 16px; }
  .detail-panel, .filter-panel { position: static; max-height: none; }
  .table-wrap { max-height: 60vh; }
}

@media (max-width: 600px) {
  .topbar { padding: 10px 16px; flex-wrap: wrap; }
  .topbar-user { flex-basis: 100%; justify-content: space-between; }
  .banner { padding: 7px 16px; }
  .rule { grid-template-columns: minmax(0, 1fr) auto; }
  .rule select, .rule .rule-value { grid-column: 1 / 2; }
  th:nth-child(4), td:nth-child(4), th:nth-child(5), td:nth-child(5) { display: none; }
}

/* Weergave "Toon selectie": filters doen dan even niet mee. */
body.showing-selection .filter-panel { opacity: .5; pointer-events: none; }

/* Kop van de lidgegevens: maakt duidelijk welk lid er geopend is. */
.detail-head { display: flex; align-items: flex-start; gap: 8px; }
.detail-heading { flex: 1; min-width: 0; display: grid; gap: 2px; }
.detail-kicker { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.detail-heading h2 { font-size: 19px; overflow-wrap: anywhere; }
.detail-heading p { margin: 2px 0 0; }
.detail-panel.open { border-color: var(--accent); box-shadow: inset 0 4px 0 var(--accent); }
.detail-panel.open .detail-kicker { color: var(--accent); }