.hidden-page{max-width:900px;padding-top:24px}
.hidden-page .page-heading{text-align:center;margin-bottom:16px}
.hidden-page h1{font-size:clamp(28px,4vw,42px);margin-bottom:12px}
.hidden-page .lead{max-width:720px;margin:0 auto;font-size:var(--reading);line-height:1.6}
.hidden-counter{text-align:center;color:#61706b;margin:22px 0;font-weight:700}
.hidden-card{padding:24px;background:#fffdf7;border:2px solid #d7d9cd;border-radius:25px;box-shadow:0 5px 0 #dce5d7;text-align:center}
.hidden-card h2{font-size:22px;line-height:1.5}
.hidden-source{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin:24px auto;max-width:700px}
.hidden-letter{display:grid;place-items:center;min-width:54px;min-height:64px;padding:8px 10px;border:2px solid #bac9be;border-radius:10px;background:#fffefb;color:#29464c;font-size:calc(var(--reading) + 14px);font-weight:700;line-height:1.2}
.hidden-letter[aria-pressed=true]{border-color:#7961a1;background:#ede6f6;color:#513d72}
.hidden-letter:disabled{opacity:1;cursor:default}
.hidden-answer{display:flex;justify-content:center;flex-wrap:wrap;gap:5px;margin:20px 0}
.hidden-answer span{display:grid;place-items:center;width:40px;height:47px;border:1px dashed #99b3a5;border-radius:7px;background:#edf4e8;color:#276b56;font-size:var(--reading);font-weight:700}
.hidden-answer[aria-invalid=true]{outline:2px dashed #b97453;outline-offset:5px;border-radius:9px}
.hidden-found{font-size:var(--reading);line-height:1.5;margin:18px 0;color:#276b56;overflow-wrap:anywhere}
.hidden-pictures{margin-top:26px;padding-top:18px;border-top:1px solid #dae1d5}
.hidden-picture-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:620px;margin:16px auto 0}
.hidden-picture-grid button{display:grid;position:relative;place-items:center;aspect-ratio:1;min-width:0;min-height:80px;border:2px solid #c8d5c6;border-radius:20px;background:#fffefb;padding:12px}
.hidden-picture-grid button[aria-invalid=true]{border-color:#ba7957;border-style:dashed}
.hidden-picture-grid button[aria-pressed=true]{border-color:#418464;background:#e6f2df}
.hidden-picture-grid button:disabled{opacity:.55;cursor:default}
.hidden-picture-grid button[aria-pressed=true]:disabled{opacity:1}
.hidden-picture-grid img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:12px;pointer-events:none;user-select:none}
.hidden-check{position:absolute;right:5px;top:0;color:#276b56;font-size:22px;font-weight:700}
.hidden-feedback{text-align:center;min-height:60px;margin:24px auto 14px;font-size:var(--reading);line-height:1.5;max-width:720px;color:#41655d}
@media(max-width:560px){.hidden-page{padding:18px 14px 28px}.hidden-card{padding:18px 12px;border-radius:20px}.hidden-card h2{font-size:20px}.hidden-picture-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:310px;gap:10px}.hidden-letter{min-width:48px;min-height:60px;padding:8px}.hidden-source{gap:5px}.hidden-card .button-row{gap:10px}.hidden-card .primary,.hidden-card .secondary{padding:12px 16px}}