/* The simple home (gallery.html under TWH_SIMPLE_HOME, simplehome.py): one big sample button, four tiles, the challenge, a collapsed A-Z list. */
.simple-hero { padding: 24px 0 12px; }
.simple-hero h1 { max-width: 20ch; }
.simple-sample { flex-direction: column; align-items: stretch; gap: 8px; margin: 20px 0 8px; max-width: 26rem; }
.simple-sample .sample-btn { min-height: 64px; font-size: 1.25rem; padding: 16px 28px; width: 100%; }
.simple-sample .sample-note { text-align: center; }
.simple-offer { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; margin: 16px 0 0; max-width: 26rem; }
.simple-offer .btn { width: 100%; min-height: 52px; font-size: 1.05rem; }
.simple-hero .fv-after { max-width: 26rem; }
.simple-pick { margin: 28px 0 8px; }
.tiles { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (min-width: 900px) { .tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; } }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.tile-link { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.tile-link:hover .tile-name { color: var(--accent-ink); }
.tile-art img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.tile-name { font-size: 1.3rem; font-weight: 700; padding: 12px 14px 2px; }
.tile-line { color: var(--muted); font-size: 1rem; line-height: 1.35; padding: 0 14px 14px; }
.simple-challenge { margin-top: 28px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .simple-challenge { grid-template-columns: minmax(0, 560px); } }
.simple-own { margin-bottom: 8px; }
.az-list { margin: 28px 0 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.az-list > summary { cursor: pointer; padding: 14px 16px; min-height: 48px; display: flex; align-items: center; font-weight: 700; font-size: 1.1rem; }
.az-list[open] > summary { border-bottom: 1px solid var(--line); }
.az-list ul { list-style: none; margin: 0; padding: 4px 8px 8px; display: grid; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 700px) { .az-list ul { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .az-list ul { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.az-list a { display: flex; align-items: center; min-height: 48px; padding: 6px 8px; color: inherit; text-decoration: none; border-radius: 8px; }
.az-list a:hover { background: var(--line); color: var(--accent-ink); }

/* The challenge panel on top (gallery.html, simplehome.hero): the sample button sits directly under it, the page heading after */
.simple-ch { margin: 8px 0 0; }
.ch-hero.simple-ch { margin-bottom: 0; }
.simple-ch .sch-title { margin: 0 0 4px; color: #f4f1ea; font-size: clamp(1.5rem, 1.1rem + 2vw, 2.2rem); line-height: 1.15; }
.simple-ch .sch-line { margin: 4px 0 0; font-size: 1.05rem; }
.simple-ch .ch-cta { margin: 12px 0 4px; }
.simple-ch .ch-btn { min-height: 52px; }
.simple-ch .sch-form { margin: 0; }
.simple-ch .sch-next { margin: 6px 0 0; }
.simple-hero.has-ch { display: flex; flex-direction: column; padding-top: 8px; }
.simple-hero.has-ch .simple-sample, .simple-hero.has-ch .fv-after { order: -1; }
.simple-hero.has-ch .simple-sample { margin: 12px 0 4px; }
.simple-hero.has-ch h1 { font-size: 1.5rem; max-width: none; margin-top: 20px; }
.simple-result { margin: 16px 0; text-align: center; }
.simple-note { margin: 16px 0 0; }