/* Serso Hub: gedeelde stijlen voor het portaal en alle tools */
:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #eef0f4;
  --border: #d9dde5;
  --text: #1b1f27;
  --text-2: #4a5263;
  --muted: #6b7385;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --accent-soft: #e3ecfa;
  --good: #1e7a46;
  --good-soft: #e2f3e9;
  --warn: #8a5a00;
  --warn-soft: #fdf1d8;
  --bad: #b3261e;
  --bad-soft: #fbe5e3;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 25, 35, .06), 0 2px 8px rgba(20, 25, 35, .05);
  --max: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --surface: #1a1e26;
    --surface-2: #232834;
    --border: #323948;
    --text: #e8ebf1;
    --text-2: #b9c0cd;
    --muted: #8f97a8;
    --accent: #6ea2f0;
    --accent-ink: #0d1420;
    --accent-soft: #1d2b44;
    --good: #5cc48a;
    --good-soft: #17301f;
    --warn: #e2b04a;
    --warn-soft: #33290f;
    --bad: #f08a80;
    --bad-soft: #3a1c1a;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h2 { font-size: 1.3rem; margin-top: 1.6em; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Header en navigatie */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.05rem; }
.brand img { width: 30px; height: 30px; }
.brand small { font-weight: 500; color: var(--muted); }
.nav-toggle { margin-left: auto; display: none; background: none; border: 1px solid var(--border); border-radius: 8px; color: var(--text); padding: 6px 12px; font: inherit; cursor: pointer; }
.main-nav { margin-left: auto; }
.main-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; flex-wrap: wrap; }
.main-nav a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--text-2); text-decoration: none; font-weight: 500; }
.main-nav a:hover { background: var(--surface-2); color: var(--text); }
.main-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }
.subnav { background: var(--surface-2); border-bottom: 1px solid var(--border); }
.subnav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; overflow-x: auto; scrollbar-width: thin; }
.subnav a { display: block; padding: 10px 14px; color: var(--text-2); text-decoration: none; white-space: nowrap; font-size: .95rem; border-bottom: 3px solid transparent; }
.subnav a:hover { color: var(--text); }
.subnav a[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .main-nav { display: none; width: 100%; margin: 0 0 10px; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
}

/* Banner voor dummydata */
.banner { background: var(--warn-soft); color: var(--text); border-bottom: 1px solid var(--border); font-size: .92rem; }
.banner .container { padding-top: 8px; padding-bottom: 8px; }
.banner strong { color: var(--warn); }

/* Algemene blokken */
.page-head { padding: 32px 0 8px; }
.lead { font-size: 1.08rem; color: var(--text-2); max-width: 70ch; }
.section { padding: 8px 0 32px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* Tegels in het portaal */
.tile { display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: var(--text); min-height: 170px; transition: border-color .15s; }
a.tile:hover { border-color: var(--accent); }
.tile-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.tile-icon svg { width: 22px; height: 22px; }
.tile h3 { margin: 4px 0 0; }
.tile p { margin: 0; color: var(--text-2); font-size: .95rem; }
.tile .tile-foot { margin-top: auto; font-size: .9rem; color: var(--accent); font-weight: 600; }
.tile.disabled { border-style: dashed; box-shadow: none; background: transparent; }
.tile.disabled .tile-icon { background: var(--surface-2); color: var(--muted); }
.tile.disabled .tile-foot { color: var(--muted); }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: .78rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); white-space: nowrap; vertical-align: middle; }
.badge.ph { background: var(--warn-soft); color: var(--warn); }
.badge.good { background: var(--good-soft); color: var(--good); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.info { background: var(--accent-soft); color: var(--accent); }

/* Stat-tegels */
.stat { padding: 16px 20px; }
.stat .label { color: var(--muted); font-size: .88rem; margin: 0; }
.stat .value { font-size: 1.7rem; font-weight: 700; margin: 2px 0 0; font-variant-numeric: tabular-nums; }
.stat .sub { color: var(--text-2); font-size: .88rem; margin: 2px 0 0; }

/* Tabellen */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--surface-2); font-weight: 600; color: var(--text-2); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
th button { all: unset; cursor: pointer; display: inline-flex; gap: 4px; align-items: center; }
th button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.neg { color: var(--bad); font-weight: 600; }

/* Toolbar en formulieren */
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; margin-bottom: 16px; }
.toolbar .field { margin: 0; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label, .field legend { font-weight: 600; font-size: .95rem; }
.field .hint { color: var(--muted); font-size: .86rem; }
.req { color: var(--bad); }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; width: 100%; max-width: 100%;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: 2px solid var(--accent-soft); }
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--bad); }
.error-text { color: var(--bad); font-size: .86rem; min-height: 0; }
.error-text:empty { display: none; }
fieldset { border: 0; padding: 0; margin: 0 0 16px; }
.radio-row { display: flex; gap: 16px; flex-wrap: wrap; }
.radio-row label { font-weight: 400; display: flex; gap: 6px; align-items: center; }
.radio-row input { width: auto; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-grid { display: grid; gap: 0 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.btn { display: inline-flex; align-items: center; gap: 8px; font: inherit; font-weight: 600; padding: 10px 18px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer; text-decoration: none; }
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: transparent; color: var(--accent); }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn-sm { padding: 5px 10px; font-size: .86rem; white-space: nowrap; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; font-size: .86rem; color: var(--bad); text-decoration: underline; cursor: pointer; }
.callout { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.export { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; justify-content: space-between; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* Meldingen */
.notice { border-radius: var(--radius); padding: 14px 16px; margin: 0 0 16px; border: 1px solid var(--border); background: var(--surface-2); }
.notice.good { background: var(--good-soft); border-color: transparent; }
.notice.bad { background: var(--bad-soft); border-color: transparent; }
.notice.warn { background: var(--warn-soft); border-color: transparent; }
.notice p:last-child { margin-bottom: 0; }
#load-error .notice { margin-top: 24px; }
.notice pre { white-space: pre-wrap; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px; font-size: .85rem; max-height: 260px; overflow: auto; }

/* Stappen en lijsten */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.steps li { counter-increment: s; position: relative; padding-left: 44px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; display: grid; place-items: center; }
.formula { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; background: var(--surface-2); border-radius: 8px; padding: 12px 14px; overflow-x: auto; font-size: .92rem; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
@media (max-width: 480px) { dl.kv { grid-template-columns: 1fr; } dl.kv dd { margin-bottom: 6px; } }

/* Rekentool resultaat */
.result { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; margin: 4px 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: .88rem; }
.site-footer .container { display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; padding-top: 16px; padding-bottom: 16px; }
.site-footer a { color: var(--text-2); }

@media (forced-colors: active) {
  .badge, .btn, .card { border: 1px solid CanvasText; }
}
@media print {
  .site-header, .subnav, .site-footer, .nav-toggle, .toolbar, .btn { display: none !important; }
  body { background: #fff; color: #000; }
}