/* Merksatz - Lektionen (Suche, Beispiele, Begriff) im neuen Look. Quelle: Entwurf 09/2026 */
.sec { padding-block: 40px 88px; }
[hidden] { display: none !important; }
.search { display: flex; gap: 10px; max-width: 620px; }
.search input { flex: 1; min-width: 0; padding: 13px 14px; border: 2px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink); font: 400 1rem/1.2 "Nunito Sans", sans-serif; }
.search input:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 30%, transparent); }
.count { margin-top: 16px; color: var(--ink-2); }
.grp { margin-top: 34px; }
.grp h3 { font-size: 1.4rem; padding-bottom: 10px; margin-bottom: 16px; border-bottom: 2px solid var(--line); }
.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.rc { display: block; border: 1px solid var(--line); border-radius: 12px; background: var(--card); text-decoration: none; overflow: hidden; height: 100%; }
.rc:hover { box-shadow: 0 12px 26px rgb(0 0 0 / .1); border-color: var(--ink); }
.rc .th svg { display: block; width: 100%; height: auto; }
.rc .th.vid { position: relative; aspect-ratio: 16 / 10; background: var(--chalk); display: grid; place-items: center; background-image: radial-gradient(70% 90% at 15% 10%, var(--chalk-2), transparent 70%); }
.rc .play { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--sun); color: var(--sun-ink); border: 0; cursor: pointer; }
.rc .play svg { width: 22px; height: 22px; margin-left: 3px; }
.rc a.t { text-decoration: none; color: inherit; }
.rc a.t:hover { text-decoration: underline; text-underline-offset: 3px; }
.rc .th img { display: block; width: 100%; height: auto; }
.rc .th:empty { display: none; }
.rc .t { display: block; padding: 12px 14px 14px; font: 700 1.05rem/1.25 "Josefin Sans", sans-serif; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips a { display: inline-block; padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); text-decoration: none; font-size: .95rem; font-weight: 600; }
.chips a:hover { border-color: var(--ink); }
.sub2 { margin-top: 44px; }
.sub2 h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 14px; }
.empty { margin-top: 28px; padding: 44px 24px; text-align: center; border: 1px dashed var(--line); border-radius: 14px; color: var(--ink-2); }
.empty h2 { color: var(--ink); font-size: 1.5rem; }
.empty p { margin-top: 8px; }
.empty .chips { justify-content: center; margin-top: 16px; }
@media (max-width: 960px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .cards { grid-template-columns: 1fr; } }