/* Molekyler i kroppen i 3D (naturfag-molekyle3d.js) — ovenpå naturfag-udvidelser.css */
.struktur__kort--3d { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; }
.struktur__3d { position: relative; border-radius: 18px; overflow: hidden; background: radial-gradient(circle at 50% 40%, #1b3b63, #0f2238 70%); min-height: 400px; height: min(58vh, 480px); }
.struktur--uden3d .struktur__3d { display: none; }
.struktur--uden3d .struktur__kort--3d { grid-template-columns: 1fr; }
.struktur__3d canvas { display: block; width: 100%; height: 100%; }
.mol3d__etiketter { position: absolute; inset: 0; pointer-events: none; }
.mol3d__etiket { position: absolute; left: 0; top: 0; padding: 5px 12px; border-radius: 999px; background: rgba(18, 196, 168, .92); color: #04202a; font: 850 .76rem/1.2 -apple-system, "Segoe UI", sans-serif; white-space: nowrap; box-shadow: 0 10px 24px -12px rgba(18, 196, 168, .9); will-change: transform; }
.mol3d__tip { position: absolute; left: 12px; right: 12px; bottom: 8px; margin: 0; text-align: center; font: 700 .66rem/1.3 -apple-system, "Segoe UI", sans-serif; color: #9fc0d8; pointer-events: none; }

.struktur__grupper, .struktur__modeltype { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; }
.struktur__grupper[hidden] { display: none; }
.struktur__grupper button, .struktur__modeltype button { min-height: 38px; padding: 0 13px; border-radius: 999px; border: 1.5px solid var(--line, #c9d8e6); background: #fff; color: var(--navy, #1f3864); font: 800 .76rem/1 -apple-system, "Segoe UI", sans-serif; cursor: pointer; }
.struktur__grupper button[aria-pressed="true"] { background: #12a08a; border-color: #12a08a; color: #fff; }
.struktur__modeltype button[aria-pressed="true"] { background: var(--navy, #1f3864); border-color: var(--navy, #1f3864); color: #fff; }
.struktur__gruppetekst { margin: 8px 0 0; font-size: .84rem; line-height: 1.5; color: #134e45; background: #eaf7f4; border-left: 3px solid #12a08a; border-radius: 0 10px 10px 0; padding: 8px 10px; }
.struktur__gruppetekst:empty { display: none; }
.struktur__legende { display: flex; flex-wrap: wrap; gap: 6px 12px; margin: 12px 0 0; font-size: .72rem; font-weight: 750; color: #5a6b82; }
.struktur__legende span::before { content: ""; display: inline-block; width: 11px; height: 11px; border-radius: 50%; background: var(--f); border: 1px solid rgba(0, 0, 0, .2); margin-right: 5px; vertical-align: -1px; }
.struktur__lille { margin: 14px 0 6px; font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 900; color: #5a6b82; }
.struktur__kort--3d .struktur__tegning { min-height: 170px; }

@media (max-width: 900px) {
  .struktur__kort--3d { grid-template-columns: 1fr; }
  .struktur__3d { height: 52vh; min-height: 320px; }
}
@media (prefers-color-scheme: dark) {
  .struktur__grupper button, .struktur__modeltype button { background: #16294a; border-color: #2a4468; color: #e8f0fa; }
  .struktur__gruppetekst { background: #10352f; color: #bff5ea; }
  .struktur__legende { color: #9db2cc; }
}