:root {
  --achter: #f4f1ea; --vlak: #fffdf8; --tekst: #1f1d1a; --zacht: #6b655c; --lijn: #e3ddd1;
  --accent: #b4451f; --accent-tekst: #fff; --ok: #2f6b3a; --fout: #9b2c1c; --rand: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --achter: #1c1b19; --vlak: #262421; --tekst: #f1ede6; --zacht: #a8a196; --lijn: #3a3732; --accent: #e07a4f; --accent-tekst: #1c1b19; --ok: #7dbb88; --fout: #f08a78; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--achter); color: var(--tekst);
  font: 1.0625rem/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font: -apple-system-body; /* volgt de tekstgrootte van de iPhone */
  padding: env(safe-area-inset-top) env(safe-area-inset-right) calc(5rem + env(safe-area-inset-bottom)) env(safe-area-inset-left);
}
main { max-width: 44rem; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.6em; margin: .4em 0 .6em; }
h2 { font-size: 1.15em; margin: 1.4em 0 .5em; }
p { margin: .4em 0 .8em; }
.zacht { color: var(--zacht); font-size: .92em; }
.kaart { background: var(--vlak); border: 1px solid var(--lijn); border-radius: var(--rand); padding: 1rem; margin: 0 0 .8rem; overflow-wrap: anywhere; }
.kaart.licht { opacity: .65; }
.kaart.flits { outline: 3px solid var(--accent); }
.kop { display: flex; gap: .5rem; justify-content: space-between; align-items: baseline; flex-wrap: wrap; }
.van { font-weight: 600; }
.onderwerp { margin: .2em 0; }
.samenvatting { margin: .4em 0 .6em; }
textarea, input[type=text], input[type=password], input[inputmode=numeric] {
  width: 100%; font: inherit; color: inherit; background: var(--achter); border: 1px solid var(--lijn); border-radius: 10px; padding: .6rem .7rem;
}
textarea { min-height: 9em; resize: vertical; }
button, .knop {
  font: inherit; font-weight: 600; border: 0; border-radius: 10px; padding: .6rem .9rem; min-height: 44px; cursor: pointer;
  background: var(--accent); color: var(--accent-tekst); text-decoration: none; display: inline-flex; align-items: center;
}
button.tweede, .knop.tweede { background: transparent; color: var(--accent); border: 1px solid var(--lijn); }
button:disabled { opacity: .5; cursor: default; }
.knoppen { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .6rem; }
.status { font-size: .92em; margin-top: .5rem; }
.status.ok { color: var(--ok); } .status.fout { color: var(--fout); }
ul.regels { list-style: none; padding: 0; margin: 0; }
ul.regels li { padding: .55rem 0; border-top: 1px solid var(--lijn); }
ul.regels li:first-child { border-top: 0; }
.regel-kop { display: flex; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.balk { background: var(--vlak); border: 1px solid var(--lijn); border-radius: var(--rand); padding: .8rem 1rem; margin-bottom: 1rem; }
.balk.fout { border-color: var(--fout); }
.inlog { max-width: 22rem; margin: 18vh auto 0; }
.inlog input { font-size: 1.6em; letter-spacing: .4em; text-align: center; margin: .6rem 0 1rem; }
.toevoegen { display: flex; gap: .5rem; margin-top: .6rem; }
.toevoegen input { flex: 1; }
nav#tabs {
  position: fixed; left: 0; right: 0; bottom: 0; display: flex; justify-content: center; gap: .2rem;
  background: var(--vlak); border-top: 1px solid var(--lijn);
  padding: .35rem .5rem calc(.35rem + env(safe-area-inset-bottom));
}
nav#tabs button { background: transparent; color: var(--zacht); font-weight: 600; font-size: .7em; flex: 1; max-width: 7rem; padding: .3rem .2rem;
  display: flex; flex-direction: column; align-items: center; gap: .15rem; line-height: 1.1; border: 0; }
nav#tabs button[aria-current=page] { color: var(--accent); }
nav#tabs .picto { position: relative; display: block; line-height: 0; }
nav#tabs .label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
nav#tabs .teller { position: absolute; top: -.35rem; left: 1.1rem; min-width: 1.35rem; padding: .15rem .3rem; border-radius: 1em; line-height: 1;
  background: var(--accent); color: var(--accent-tekst); font-size: .78rem; text-align: center; border: 2px solid var(--vlak); }
#melding {
  position: fixed; left: 1rem; right: 1rem; bottom: calc(5rem + env(safe-area-inset-bottom)); max-width: 40rem; margin: 0 auto;
  background: var(--tekst); color: var(--achter); padding: .8rem 1rem; border-radius: 12px; box-shadow: 0 4px 18px rgba(0,0,0,.2);
}
@media (prefers-reduced-motion: no-preference) { .kaart.flits { transition: outline-color .6s; } }
.kaart > h2:first-child, .kaart > .kop:first-child { margin-top: 0; }
ul.regels li.regel-kop { align-items: center; flex-wrap: nowrap; }
ul.regels li.regel-kop > span { flex: 1; min-width: 0; }
ul.regels li.regel-kop > button { flex: none; min-height: 40px; padding: .4rem .7rem; font-size: .92em; }
.inlog input::placeholder { letter-spacing: normal; font-size: .6em; }
.inlog .knoppen { margin-top: 1rem; }