/* PTA Planner — mobiel eerst (375px), op ≥768px zijnavigatie + gecentreerde kolom. */
:root{
  --bg:#F3F5F8; --surface:#FFFFFF; --ink:#18212E; --muted:#5D6878; --line:#DCE1E8;
  --accent:#1F4FD1; --accent-ink:#fff; --ok:#1D7A4C; --no:#A33A2A;
  --warn-bg:#FFF4D6; --warn-ink:#6B4E00;
  --r:16px; --nav-h:64px;
  --f:ui-rounded,"SF Pro Rounded",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F141B; --surface:#171E28; --ink:#E8ECF2; --muted:#9AA5B5; --line:#2A3442;
  --accent:#7FA2FF; --accent-ink:#0F141B; --ok:#5CC98F; --no:#F08A78;
  --warn-bg:#3A3015; --warn-ink:#F2D27A; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F141B; --surface:#171E28; --ink:#E8ECF2; --muted:#9AA5B5; --line:#2A3442;
  --accent:#7FA2FF; --accent-ink:#0F141B; --ok:#5CC98F; --no:#F08A78;
  --warn-bg:#3A3015; --warn-ink:#F2D27A; color-scheme:dark}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.45 var(--f)}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

#app{min-height:100dvh}
#view{max-width:720px;margin:0 auto;padding:calc(env(safe-area-inset-top) + 20px) 16px calc(var(--nav-h) + env(safe-area-inset-bottom) + 28px);display:grid;gap:16px;align-content:start;outline:0}

/* nav */
#nav{position:fixed;inset:auto 0 0 0;z-index:5;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
  display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface);border-top:1px solid var(--line)}
#nav a{display:grid;place-content:center;justify-items:center;gap:2px;font-size:.78rem;font-weight:700;color:var(--muted)}
#nav a span{font-size:1.5rem;line-height:1}
#nav a[aria-current="page"]{color:var(--accent)}
@media (min-width:768px){
  :root{--nav-h:0px}
  #app{display:grid;grid-template-columns:200px minmax(0,1fr);}
  #nav{position:sticky;top:0;inset:auto;height:100dvh;grid-template-columns:1fr;grid-auto-rows:56px;align-content:start;gap:4px;padding:24px 12px;border:0;border-right:1px solid var(--line)}
  #nav a{grid-auto-flow:column;justify-content:start;justify-items:start;align-content:center;gap:12px;padding:0 14px;border-radius:12px;font-size:1rem}
  #nav a[aria-current="page"]{background:color-mix(in srgb,var(--accent) 14%,transparent)}
  #view{margin:0 auto;padding:32px 24px 48px;width:100%}
}

/* typografie */
.h1{font-size:1.9rem;font-weight:800;line-height:1.1;letter-spacing:-.02em}
.h2{font-size:1.15rem;font-weight:800}
.sub{color:var(--muted);font-size:.95rem}
.mono{font-family:var(--mono)}
.back{color:var(--muted);font-weight:700;padding:8px 0;min-height:44px;display:inline-flex;align-items:center}

/* kaarten */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:grid;gap:8px}
a.card,button.card{cursor:pointer;text-align:left;width:100%}
.card.v{border-left:8px solid var(--v)}
.big{min-height:76px;align-content:center}
.pill{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.85rem;padding:3px 12px;border-radius:999px;background:var(--v);color:var(--vi)}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.sp{margin-left:auto}
.w{font-size:1.4rem;font-weight:800;line-height:1}
.w small{font-size:.65em;color:var(--muted)}
.x{font:600 .8em var(--mono);color:var(--accent)}
.noot{font-size:.85rem;color:var(--muted)}
.noot.warn{background:var(--warn-bg);color:var(--warn-ink);padding:8px 12px;border-radius:10px}
.ja{color:var(--ok);font-weight:700}.nee{color:var(--no);font-weight:700}
.ok{color:var(--ok)}

/* countdown */
.count{background:var(--accent);color:var(--accent-ink);border-radius:20px;padding:22px 20px;display:grid;gap:6px}
.count .n{font-size:3rem;font-weight:800;line-height:1;letter-spacing:-.03em}
.count .t{font-size:1.1rem;font-weight:700}
.count .s{opacity:.85;font-size:.92rem}

/* meta lijst */
dl.meta{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0}
dl.meta dt{color:var(--muted)}
dl.meta dd{margin:0;font-weight:700}
ul.stof{margin:0;padding-left:1.2rem;display:grid;gap:4px}

/* chips / knoppen */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:44px;padding:0 16px;border-radius:999px;border:2px solid var(--v,var(--line));background:var(--surface);font-weight:700;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--v,var(--ink));color:var(--vi,var(--bg));border-color:var(--v,var(--ink))}
.btn{min-height:52px;padding:0 20px;border-radius:14px;border:0;background:var(--accent);color:var(--accent-ink);font-weight:800;cursor:pointer}
.btn.ghost{background:transparent;border:2px solid var(--line);color:var(--ink)}
input[type=text],input[type=date],input[type=number],input[type=color],select{min-height:48px;border-radius:12px;border:2px solid var(--line);background:var(--bg);padding:0 12px;width:100%}
input[type=color]{padding:4px;width:64px}
label.f{display:grid;gap:4px;font-weight:700}
label.f small{font-weight:400;color:var(--muted)}
.filters{position:sticky;top:0;z-index:3;background:var(--bg);padding:10px 0;display:grid;gap:8px;border-bottom:1px solid var(--line)}

/* tijdlijn */
.maand{display:grid;gap:10px}
.band{background:var(--ink);color:var(--bg);border-radius:var(--r);padding:12px 16px;display:grid;gap:2px}
.band b{font-size:1.05rem}
.past{opacity:.45}
.when{font-weight:800;font-variant-numeric:tabular-nums}
.when small{font-weight:400;color:var(--muted);margin-left:6px}
.empty{text-align:center;color:var(--muted);padding:32px 0}
.grid2{display:grid;gap:10px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.filters{position:static;padding:0;border:0}
.filters .chip{min-height:40px;padding:0 12px;font-size:.92rem}

/* extra info per element: alleen op groot scherm */
.extra{display:none}
.mnd{font-size:2.1rem;font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--accent);margin-top:20px;padding-bottom:6px;border-bottom:3px solid var(--accent)}
.mnd span{font-size:.55em;font-weight:700;color:var(--muted);margin-left:10px;letter-spacing:0}
.maand:first-child .mnd{margin-top:0}
.cols,.week,.cards{display:contents}
.tgrid{display:grid;gap:16px}

/* groot scherm (pc): volledige breedte, meer info per element */
@media (min-width:1024px){
  #app{grid-template-columns:220px minmax(0,1fr)}
  #view{max-width:none;padding:36px 48px 56px}
  #view[data-v="toets"],#view[data-v="tw"]{max-width:960px;margin:0}
  .extra{display:grid;gap:8px}
  .chipline{display:flex;flex-wrap:wrap;gap:6px 8px}
  .chipline span{font-size:.82rem;font-weight:600;padding:2px 10px;border-radius:999px;background:color-mix(in srgb,var(--ink) 8%,transparent)}
  .chipline .rel{background:color-mix(in srgb,var(--accent) 18%,transparent);color:var(--accent)}
  .chipline .ja,.chipline .nee{font-weight:700}
  .extra .stof{font-size:.9rem;color:var(--muted)}
  .card.big{min-height:0}
  .mnd{font-size:2.6rem;grid-column:1/-1}
  .band{grid-column:1/-1}
  .maand{grid-template-columns:repeat(auto-fill,minmax(380px,1fr));align-items:start}
  .filters{max-width:none}
  .filters .chips{flex-wrap:wrap}

  #view[data-v="vandaag"] .cols{display:grid;grid-template-columns:minmax(320px,440px) minmax(0,1fr);gap:32px;align-items:start}
  #view[data-v="vandaag"] .week{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(380px,1fr))}
  #view[data-v="vandaag"] .week>.h2,#view[data-v="vandaag"] .week>.btn,#view[data-v="vandaag"] .week>.empty{grid-column:1/-1}
  #view[data-v="vandaag"] .count .n{font-size:4rem}

  .tgrid{grid-template-columns:repeat(auto-fill,minmax(380px,1fr));align-items:start}
  .cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));align-items:start}
}