/* Super Teacher — one small stylesheet, mobile-first (spec Q1). */
:root {
  --ink: #1f2933; --muted: #616e7c; --line: #d9e2ec; --bg: #f7f9fb; --card: #fff;
  --accent: #2563eb; --accent-ink: #fff; --warn: #b45309; --warn-bg: #fff7ed; --danger: #b91c1c;
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); }
main { max-width: 960px; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.5rem; margin: .5rem 0; }
h2 { font-size: 1.1rem; margin: 1.2rem 0 .4rem; }
.top { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; justify-content: space-between; padding: .75rem 1rem; background: var(--card); border-bottom: 1px solid var(--line); }
.top nav { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; font-size: .95rem; }
.logo { font-weight: 700; font-size: 1.15rem; text-decoration: none; color: var(--ink); }
.wie { color: var(--muted); }
.voet { text-align: center; color: var(--muted); padding: 2rem 1rem; font-size: .9rem; }
.inline { display: inline; }
.verborgen { position: absolute; left: -9999px; }
.klein { font-size: .85rem; color: var(--muted); }
.knop { display: inline-block; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: .55rem 1rem; font: inherit; text-decoration: none; cursor: pointer; }
.knop.klein { padding: .3rem .6rem; font-size: .9rem; }
.knop.groot { padding: .8rem 1.4rem; font-size: 1.1rem; }
.knop.gevaar { background: var(--danger); }
button.link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
input, select, textarea { font: inherit; padding: .45rem .55rem; border: 1px solid var(--line); border-radius: 6px; background: #fff; max-width: 100%; }
textarea { width: 100%; }
.fout { color: var(--danger); }
.info { background: #eff6ff; padding: .5rem .75rem; border-radius: 6px; }
.hero { max-width: 640px; margin: 2rem auto; }
.hero h1 { font-size: 1.9rem; }
.punten li { margin: .2rem 0; }
.tekst { max-width: 680px; margin: 1rem auto; background: var(--card); padding: 1rem 1.25rem; border-radius: 10px; border: 1px solid var(--line); }
.email { word-break: break-all; }
.plak { display: flex; gap: .5rem; margin: .5rem 0 1rem; }
.plak input { flex: 1; min-width: 0; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; margin-bottom: .75rem; }
.filters .zoek input { width: 12rem; }
.collecties-balk { margin-bottom: 1rem; font-size: .95rem; }
.collecties-balk a.actief { font-weight: 700; color: var(--ink); text-decoration: none; }
.raster { display: grid; grid-template-columns: 1fr; gap: .9rem; }
@media (min-width: 640px) { .raster { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .raster { grid-template-columns: repeat(3, 1fr); } }
.kaartje { display: flex; flex-direction: column; gap: .25rem; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .6rem; text-decoration: none; color: var(--ink); overflow: hidden; }
.kaartje img, .kaartje .geen-foto { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 6px; background: var(--line); }
.kaartje .geen-foto { display: flex; align-items: center; justify-content: center; color: var(--muted); }
.kaartje .titel { font-weight: 600; overflow-wrap: anywhere; }
.kaartje .meta { color: var(--muted); font-size: .9rem; }
.kaartje.concept { background: var(--warn-bg); border-color: #fed7aa; }
.label-concept { color: var(--warn); font-weight: 700; font-size: .85rem; }
.cat { display: inline-block; font-size: .8rem; padding: .05rem .5rem; border-radius: 999px; background: #e0e7ff; width: fit-content; }
.cat-bewegend_leren { background: #dcfce7; } .cat-rekenen { background: #dbeafe; } .cat-knutselen { background: #fce7f3; }
.cat-lesvoorbereiding { background: #fef9c3; } .cat-overig { background: #e5e7eb; }
.leeg { color: var(--muted); padding: 2rem 0; text-align: center; }
.kaart-kop { display: flex; justify-content: space-between; align-items: center; margin-bottom: .5rem; }
.recept, .bewerk, .concept-blok, .kaart-collecties { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin-bottom: 1rem; }
.concept-blok { background: var(--warn-bg); border-color: #fed7aa; }
.recept-kop { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-start; }
.recept-kop .thumb { width: 100%; max-width: 280px; border-radius: 8px; }
.recept .meta { color: var(--muted); }
.samenvatting { font-size: 1.05rem; }
.checklist { list-style: none; padding-left: 0; }
.checklist li { margin: .2rem 0; }
.varianten dt { font-weight: 600; } .varianten dd { margin: 0 0 .5rem 0; }
.bron { margin-top: 1.25rem; color: var(--muted); overflow-wrap: anywhere; }
.ruw { white-space: pre-wrap; font-size: .85rem; max-height: 20rem; overflow: auto; background: #fff; padding: .5rem; border-radius: 6px; }
.bewerk label { display: block; margin-bottom: .75rem; }
.bewerk label > input:not([type=checkbox]), .bewerk label > select { display: block; width: 100%; margin-top: .2rem; }
.bewerk fieldset { border: 1px solid var(--line); border-radius: 6px; margin-bottom: .75rem; }
.bewerk .vink { display: inline-block; margin-right: .6rem; }
.rij { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .6rem; }
.chip { background: #e0e7ff; border-radius: 999px; padding: .15rem .3rem .15rem .7rem; }
.chip button { background: none; border: 0; cursor: pointer; font-size: 1rem; }
.collectie-lijst { list-style: none; padding: 0; }
.collectie-lijst li { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: .6rem; margin-bottom: .5rem; display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.bezig { text-align: center; max-width: 560px; margin: 2rem auto; }
.bezig form { text-align: left; }
.spinner { width: 42px; height: 42px; margin: 1rem auto; border: 4px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: draai 1s linear infinite; }
@keyframes draai { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }