/* Dandan's rijlessen · 丹丹的驾驶课 — designsysteem (zie DESIGN.md)
   Mobile-first, system-fonts (Latijns + CJK), dark mode, WCAG AA. */

:root{
  --brand:#1d5fd6; --brand-deep:#143c8c; --brand-ink:#16305e;
  --brand-grad:linear-gradient(135deg,#143c8c,#1d5fd6);
  --link:#1a53b8;
  --accent-red:#c8402f; --accent-red-bg:#fdeeea;
  --amber:#8a5a00; --amber-bg:#fff7e6; --amber-line:#f3dfae;
  --ok:#15724f; --ok-bg:#e9f6f0;
  --ink:#1a2430; --muted:#4c5d70;
  --bg:#f3f6fa; --card:#ffffff; --line:#dbe3ec;
  --accent:#e8f0fc; --accent-line:#c9dbf6;
  --shadow:0 1px 2px rgba(16,32,64,.06),0 8px 28px rgba(16,32,64,.07);
  --shadow-lift:0 2px 6px rgba(16,32,64,.08),0 14px 38px rgba(16,32,64,.12);
  --radius:16px; --radius-s:10px;
  --maxw:1120px;
  --figbg:linear-gradient(180deg,#fbfdff,#eef5ff); --figline:#dbe6f5;
  font-synthesis:none;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --brand:#6ea8ff; --brand-deep:#a9c9ff; --brand-ink:#dbe7ff;
    --brand-grad:linear-gradient(135deg,#102c66,#1a4dab);
    --link:#8db9ff;
    --accent-red:#ff8a75; --accent-red-bg:#3a201b;
    --amber:#ffc866; --amber-bg:#33270f; --amber-line:#4d3c1a;
    --ok:#59c99a; --ok-bg:#12291f;
    --ink:#e6edf6; --muted:#93a5ba;
    --bg:#0d141d; --card:#16202c; --line:#2a3644;
    --accent:#1a2a42; --accent-line:#2c4368;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.35);
    --shadow-lift:0 2px 6px rgba(0,0,0,.5),0 14px 38px rgba(0,0,0,.45);
    --figbg:linear-gradient(180deg,#1a2432,#141d29); --figline:#2a3644;
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;line-height:1.75;
}
@media (min-width:760px){body{font-size:17px}}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 18px}
@media (min-width:760px){.container{padding:0 24px}}
[lang="nl"]{line-height:1.55}

/* skip-link */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--card);color:var(--ink);
  padding:10px 16px;border-radius:0 0 10px 0;z-index:100;font-weight:700}
.skip-link:focus{left:0}

/* ---------- topbar ---------- */
header.site{
  background:var(--brand-grad);color:#fff;position:sticky;top:0;z-index:40;
  box-shadow:0 2px 14px rgba(10,25,60,.25)
}
header.site .container{display:flex;align-items:center;gap:10px;min-height:60px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1.06rem;color:#fff;line-height:1.25;min-height:44px}
.brand:hover{text-decoration:none}
.brand .logo{width:40px;height:40px;border-radius:11px;background:#fff;color:#c8402f;
  display:grid;place-items:center;font-weight:800;font-size:1.25rem;flex:0 0 auto;box-shadow:0 2px 8px rgba(0,0,0,.18)}
.brand small{display:block;font-weight:500;opacity:.85;font-size:.74rem;letter-spacing:.02em}
header.site nav{margin-left:auto;display:flex;gap:2px;align-items:center;flex-wrap:wrap}
header.site nav a{color:#fff;opacity:.94;padding:10px 12px;border-radius:9px;font-size:.94rem;min-height:44px;display:inline-flex;align-items:center}
header.site nav a:hover{background:rgba(255,255,255,.14);text-decoration:none;opacity:1}
header.site nav a[aria-current="page"]{background:rgba(255,255,255,.2);font-weight:700}
.navnum{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.18);font-weight:700;font-size:.88rem}
header.site nav a:hover .navnum{background:rgba(255,255,255,.3)}
.searchbox{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);border-radius:10px;padding:2px 10px;min-height:44px}
.searchbox svg{width:17px;height:17px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;opacity:.9;flex:0 0 auto}
.searchbox input{background:transparent;border:0;color:#fff;outline:none;font-size:16px;width:130px;min-height:40px}
.searchbox input::placeholder{color:rgba(255,255,255,.72)}
@media (max-width:759px){
  header.site nav a.navlink{display:none} /* mobiel: navigatie via bottom-nav */
  .searchbox{flex:1;min-width:150px}
  .searchbox input{width:100%}
}
/* taal-toggle (door JS getoond) */
.langtoggle{display:none;border:1px solid rgba(255,255,255,.35);border-radius:10px;overflow:hidden;flex:0 0 auto}
.langtoggle.on{display:flex}
.langtoggle button{background:transparent;color:#fff;border:0;padding:0 12px;min-height:42px;cursor:pointer;font-size:.86rem;font-family:inherit}
.langtoggle button[aria-pressed="true"]{background:#fff;color:var(--brand-ink);font-weight:700}
body[data-lang="zh"] .nl-only{display:none}

/* zoekresultaten-overlay */
#results{display:none;position:relative}
#results.open{display:block;background:var(--bg);border-top:1px solid var(--line);
  max-height:min(60vh,480px);overflow:auto;padding:10px 18px 14px;color:var(--ink)}
.result-item{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;margin:8px 0;color:var(--ink);box-shadow:var(--shadow)}
.result-item:hover{text-decoration:none;border-color:var(--brand)}
.result-item strong{color:var(--brand-deep)}
.result-meta{color:var(--muted);font-size:.85rem;display:block;margin-top:2px}

/* ---------- hero (home) ---------- */
.hero{background:var(--card);border-bottom:1px solid var(--line);padding:34px 0 30px;overflow:hidden}
.hero .container{display:grid;gap:22px;align-items:center}
@media (min-width:860px){.hero .container{grid-template-columns:1.05fr .95fr}.hero{padding:48px 0 44px}}
.hero h1{margin:.15em 0 0;font-size:2rem;line-height:1.18;letter-spacing:-.01em}
@media (min-width:760px){.hero h1{font-size:2.5rem}}
.hero .subtitle{display:block;font-size:1.1rem;color:var(--muted);font-weight:600;margin:.25em 0 0}
.hero p.lead{color:var(--muted);max-width:56ch;margin:.9em 0 0}
.pill{display:inline-block;background:var(--accent);color:var(--brand-deep);border:1px solid var(--accent-line);
  border-radius:999px;padding:4px 14px;font-size:.84rem;font-weight:700}
.hero-art{line-height:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.hero-art svg{width:100%;height:auto;display:block}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:8px 14px;font-size:.9rem;color:var(--muted)}
.stat strong{display:block;font-size:1.25rem;color:var(--ink)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 22px;border-radius:12px;
  font-weight:700;font-size:1rem;border:0;cursor:pointer;font-family:inherit;text-decoration:none}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 4px 14px rgba(20,60,140,.3)}
.btn-primary:hover{text-decoration:none;filter:brightness(1.08)}
.btn-secondary{background:var(--card);color:var(--brand-deep);border:1.5px solid var(--accent-line)}
.btn-secondary:hover{text-decoration:none;background:var(--accent)}
@media (prefers-color-scheme:dark){.btn-primary{color:#fff}}

/* ---------- layout ---------- */
main{padding:26px 0 90px}
@media (min-width:760px){main{padding:36px 0 80px}}
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.grid{grid-template-columns:repeat(2,1fr);gap:18px}}
@media (min-width:980px){.grid{grid-template-columns:repeat(3,1fr)}}
.sec-title{margin:38px 0 6px;font-size:1.45rem}
.sec-title small{display:block;font-size:.9rem;color:var(--muted);font-weight:500}

/* ---------- kaarten ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px;transition:transform .14s ease,box-shadow .14s ease,border-color .14s ease}
a.card{display:block;color:var(--ink)}
a.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);text-decoration:none;border-color:var(--accent-line)}
.card-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.card-ico{width:46px;height:46px;border-radius:12px;background:var(--accent);color:var(--brand-deep);display:grid;place-items:center;flex:0 0 auto}
.card-ico .i{width:26px;height:26px}
.card .mnum{display:inline-grid;place-items:center;min-width:30px;height:30px;border-radius:9px;background:var(--brand-grad);color:#fff;font-weight:800;padding:0 8px}
.card h3{margin:.15em 0;font-size:1.16rem;color:var(--ink)}
.card .nl{color:var(--muted);font-size:.9rem}
.card .count{color:var(--muted);font-size:.85rem;margin-top:10px;display:flex;align-items:center;gap:8px}
.card-extra .card-ico{background:var(--accent-red-bg);color:var(--accent-red)}

/* voortgang (JS) */
.progress{height:7px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:10px}
.progress>span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--ok),#2fa878);width:0;transition:width .3s ease}
.progress-label{font-size:.82rem;color:var(--muted);margin-top:5px}
.progress-label .pct{color:var(--ok);font-weight:700}

/* ---------- modulepagina ---------- */
.crumbs{margin:0 0 14px;font-size:.9rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--link)}
.modbanner{margin:0 0 20px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);line-height:0}
.modbanner .bannersvg{display:block;width:100%;height:170px}
@media (max-width:520px){.modbanner .bannersvg{height:120px}}
.module-head{margin-bottom:20px}
.module-head .kicker{color:var(--brand);font-weight:700;letter-spacing:.03em;font-size:.9rem;text-transform:uppercase}
.module-head h1{margin:.1em 0;font-size:1.8rem;line-height:1.22}
@media (min-width:760px){.module-head h1{font-size:2.1rem}}
.module-head .nl{color:var(--muted);font-size:1.02rem}
.module-progress{margin-top:12px;max-width:420px}

.note{background:var(--accent);border:1px solid var(--accent-line);border-radius:12px;
  padding:14px 18px;color:var(--brand-ink);margin:16px 0}
.note a{font-weight:600}
.note-tip{background:var(--accent-red-bg);border-color:color-mix(in srgb,var(--accent-red) 30%,transparent);color:var(--ink)}
.note-tip .tiplabel{color:var(--accent-red);font-weight:800}
.note-warn{background:var(--amber-bg);border-color:var(--amber-line);color:var(--ink)}

.layout{display:grid;grid-template-columns:1fr;gap:26px}
@media (min-width:900px){.layout{grid-template-columns:250px minmax(0,1fr)}}

/* TOC: desktop zijbalk / mobiel accordeon */
.toc{display:none}
@media (min-width:900px){
  .toc{display:block;position:sticky;top:86px;align-self:start;max-height:calc(100vh - 110px);overflow:auto}
}
.toc ul,.toc-mob ul{list-style:none;padding:0;margin:0}
.toc a,.toc-mob a{display:flex;gap:8px;align-items:baseline;padding:8px 12px;border-radius:9px;color:var(--muted);font-size:.9rem;line-height:1.4;min-height:40px}
.toc a:hover,.toc-mob a:hover{background:var(--accent);color:var(--brand-deep);text-decoration:none}
.tocpage{color:var(--amber);font-weight:700;font-size:.78em;flex:0 0 auto;min-width:34px}
.toc-mob{margin:0 0 18px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
@media (min-width:900px){.toc-mob{display:none}}
.toc-mob summary{cursor:pointer;padding:13px 18px;font-weight:700;color:var(--brand-deep);list-style:none;min-height:48px;display:flex;align-items:center;gap:8px}
.toc-mob summary::-webkit-details-marker{display:none}
.toc-mob summary::after{content:"▾";margin-left:auto;transition:transform .15s ease}
.toc-mob[open] summary::after{transform:rotate(180deg)}
.toc-mob ul{padding:0 8px 10px}

/* scriptkaart */
.script{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px 20px 18px;margin:16px 0;scroll-margin-top:86px}
@media (min-width:760px){.script{padding:24px 26px 20px}}
.script-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.script-title{display:flex;align-items:center;gap:12px;min-width:0}
.script-icon{flex:0 0 auto;width:42px;height:42px;border-radius:11px;background:var(--accent);color:var(--brand-deep);display:grid;place-items:center}
.script h2{margin:.1em 0;font-size:1.22rem;line-height:1.35}
.script h2 .step{color:var(--brand);font-weight:800}
.script .nl-title{color:var(--muted);font-size:.93rem;margin:2px 0 10px;padding-left:54px}
@media (max-width:520px){.script .nl-title{padding-left:0}}
.script p{margin:.6em 0;max-width:74ch}
.script ul{margin:.6em 0;padding-left:1.4em;max-width:72ch}
.script li{margin:.25em 0}
.script strong{color:var(--brand-deep)}
.bookpage{flex:0 0 auto;background:var(--amber-bg);border:1px solid var(--amber-line);color:var(--amber);
  border-radius:999px;padding:8px 14px;font-size:.82rem;font-weight:700;white-space:nowrap;text-decoration:none;min-height:38px;display:inline-flex;align-items:center}
.bookpage:hover{filter:brightness(1.05);text-decoration:none}

/* beheers-ik-checkbox (JS) */
.mastered{display:flex;align-items:center;gap:10px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);color:var(--muted);font-size:.92rem}
.mastered input{width:22px;height:22px;accent-color:var(--ok);cursor:pointer}
.mastered label{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:10px}
.script.is-mastered{border-color:color-mix(in srgb,var(--ok) 45%,var(--line))}
.script.is-mastered .script-icon{background:var(--ok-bg);color:var(--ok)}

/* fouten- en examentip-chips in lestekst */
.p-fout,.p-tip{border-radius:10px;padding:10px 14px;font-size:.95em}
.p-fout{background:var(--amber-bg);border:1px solid var(--amber-line)}
.p-fout>strong:first-child{color:var(--amber)}
.p-tip{background:var(--accent-red-bg);border:1px solid color-mix(in srgb,var(--accent-red) 28%,transparent)}
.p-tip>strong:first-child{color:var(--accent-red)}

/* figuren */
figure.fig{margin:18px auto 6px;padding:18px;max-width:560px;background:var(--figbg);border:1px solid var(--figline);border-radius:var(--radius);text-align:center}
figure.fig.photo{padding:0;overflow:hidden;background:none}
figure.fig.photo img{display:block;width:100%;height:auto}
figure.fig figcaption{font-size:.85rem;color:var(--muted);padding:8px 6px 0;line-height:1.5}
figure.fig.photo figcaption{padding:8px 12px 10px}
.figsvg{max-width:100%;height:auto;stroke-linecap:round;stroke-linejoin:round}
.figsvg text{font-family:inherit;paint-order:stroke;stroke:#ffffff;stroke-width:3px;stroke-linejoin:round}
.figsvg .zhlbl{font-size:15px;font-weight:700;fill:#143c8c}
.figsvg .nllbl{font-size:10px;fill:#4c5d70;font-weight:500}
.figsvg .caption{font-size:12.5px;fill:#4c5d70;font-weight:500}
.figsvg .mini{font-size:11.5px;fill:#1a2430;font-weight:600}
.figsvg .warnlbl{font-size:11px;font-weight:700;fill:#c0392b}
.figsvg .signtxt{font-size:15px;font-weight:800;fill:#143c8c}
.figsvg .whitetag{font-size:12px;font-weight:700;fill:#fff;stroke:none}
@media (prefers-color-scheme:dark){
  figure.fig:not(.photo){background:#e9f0f9;border-color:#c9d6e6} /* diagrammen blijven op lichte plaat leesbaar */
}

/* pager */
.pager{display:flex;gap:12px;margin:30px 0 0;flex-wrap:wrap}
.pager a{flex:1;min-width:220px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:14px 18px;color:var(--ink);display:block;min-height:64px}
.pager a:hover{text-decoration:none;border-color:var(--accent-line);box-shadow:var(--shadow-lift)}
.pager .dir{font-size:.8rem;color:var(--muted);display:block}
.pager .t{font-weight:700;color:var(--brand-deep)}
.pager .next{text-align:right}

/* ---------- boek-index ---------- */
.pagefind{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);
  padding:16px 18px;margin:16px 0;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pagefind label{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pagefind input{width:120px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:16px;background:var(--bg);color:var(--ink);min-height:46px}
.pagefind button{background:var(--brand-grad);color:#fff;border:0;border-radius:10px;padding:0 20px;min-height:46px;font-size:.95rem;font-weight:700;cursor:pointer;font-family:inherit}
.pagefind button:hover{filter:brightness(1.08)}
.pagemsg{color:var(--amber);font-size:.9rem}
.tablewrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.pagetable{width:100%;border-collapse:collapse;background:var(--card);min-width:520px}
.pagetable th,.pagetable td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.pagetable th{background:var(--accent);color:var(--brand-deep);font-size:.85rem;position:sticky;top:0}
.pagetable tr:last-child td{border-bottom:0}
.pagetable tr:target{background:var(--amber-bg)}
.pagetable .pcol{white-space:nowrap}
.pagetable .mcol{color:var(--muted);white-space:nowrap;font-size:.88rem}
.pagetable .nl{color:var(--muted);font-size:.85rem}

/* ---------- juridische / tekstpagina's ---------- */
.prose{max-width:76ch}
.prose h1{font-size:1.8rem;line-height:1.25;margin:.2em 0}
.prose h2{font-size:1.25rem;margin:1.6em 0 .4em;color:var(--brand-deep)}
.prose .nl-block{color:var(--muted);font-size:.95rem;border-left:3px solid var(--line);padding-left:14px;margin:.5em 0 1.2em}
.prose table{border-collapse:collapse;width:100%}
.prose td,.prose th{border:1px solid var(--line);padding:8px 12px;text-align:left}
.updated{color:var(--muted);font-size:.88rem}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);background:var(--card);padding:34px 0 30px;color:var(--muted);font-size:.92rem}
.footgrid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:760px){.footgrid{grid-template-columns:1.4fr 1fr 1fr}}
footer.site h2{font-size:1rem;color:var(--ink);margin:0 0 10px}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin:0}
footer.site li a{display:inline-flex;align-items:center;min-height:38px;color:var(--muted)}
footer.site li a:hover{color:var(--link)}
.footmeta{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);font-size:.84rem;display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between}

/* ---------- bottom-nav (mobiel) ---------- */
.bottomnav{display:none}
@media (max-width:759px){
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:repeat(4,1fr);
    background:var(--card);border-top:1px solid var(--line);box-shadow:0 -4px 18px rgba(10,25,60,.12);
    padding-bottom:env(safe-area-inset-bottom)}
  .bottomnav a,.bottomnav summary{display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:2px;min-height:60px;color:var(--muted);font-size:.72rem;cursor:pointer;list-style:none;text-decoration:none}
  .bottomnav a:hover,.bottomnav summary:hover{text-decoration:none}
  .bottomnav .i{width:23px;height:23px}
  .bottomnav a[aria-current="page"]{color:var(--brand);font-weight:700}
  .bottomnav summary::-webkit-details-marker{display:none}
  .bn-modules{position:relative}
  .bn-modules[open] summary{color:var(--brand)}
  .bn-modules .bn-pop{position:absolute;bottom:calc(100% + 8px);left:8px;right:8px;background:var(--card);
    border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lift);padding:8px;z-index:60}
  .bn-pop a{flex-direction:row;justify-content:flex-start;gap:10px;min-height:48px;padding:0 12px;font-size:.95rem;color:var(--ink);border-radius:9px}
  .bn-pop a:hover{background:var(--accent)}
  .bn-pop .navnum{background:var(--accent);color:var(--brand-deep)}
}

/* iconen */
.i{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;display:block}

/* util */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
mark{background:#ffe9a8;color:#1a2430;padding:0 2px;border-radius:3px}
hr.sep{border:0;border-top:1px solid var(--line);margin:32px 0}

/* print */
@media print{
  header.site,.bottomnav,footer.site .footgrid,.pagefind,.mastered,.langtoggle,.toc,.toc-mob,.pager{display:none!important}
  body{background:#fff;color:#000;padding-bottom:0}
  .script,.card{box-shadow:none;border:1px solid #bbb;break-inside:avoid}
  main{padding:0}
}