.screen{background:var(--paper);flex-direction:column;max-width:460px;min-height:100dvh;margin:0 auto;display:flex}.flex-1{flex:1}.px-20{padding-left:20px;padding-right:20px}.stack{flex-direction:column;display:flex}.gap-10{gap:10px}.gap-12{gap:12px}.text-center{text-align:center}.topbar{align-items:center;gap:10px;padding:14px 16px;display:flex}.topbar--between{justify-content:space-between}.topbar-left{align-items:center;gap:8px;display:flex}.topbar__title{font-family:var(--font-display);color:var(--ink);font-size:20px;font-weight:800}.btn{border-radius:var(--radius-pill);width:100%;font-size:16px;font-weight:800;font-family:var(--font-body);border:none;padding:15px 20px}.btn-primary{background:var(--brand);color:var(--brand-contrast)}.btn-primary:active{filter:brightness(.92)}.btn-ghost{color:var(--ink);border:2px solid var(--border-strong);background:0 0}.btn-white-on-blue{color:var(--blue-dark);background:#fff}.btn-ghost-on-blue{color:#fff;background:0 0;border:2px solid #fff9}.btn-icon{width:40px;height:40px;box-shadow:var(--shadow-card);color:var(--ink);background:#fff;border:none;border-radius:50%;place-items:center;font-size:22px;line-height:1;display:grid}.btn-text-link{color:var(--text-muted);background:0 0;border:none;padding:8px;font-weight:700;text-decoration:underline}.hero-band{background-position:50%;background-size:cover;height:150px;position:relative}.hero-lang{position:absolute;top:12px;right:12px}.identity-card{border-radius:var(--radius-md);box-shadow:var(--shadow-card);background:#fff;margin:-34px 20px 0;padding:16px;position:relative}.identity-card__row{align-items:center;gap:14px;display:flex}.identity-card__logo{background:var(--page-bg);border-radius:14px;flex-shrink:0;width:56px;height:56px;overflow:hidden}.identity-card__logo img{object-fit:cover;width:100%;height:100%}.identity-card__name{font-family:var(--font-display);color:var(--ink);font-size:20px;font-weight:800}.identity-card__tagline{color:var(--text-muted);font-size:13px;font-weight:700}.promo-card{background:var(--brand);color:var(--brand-contrast);border-radius:var(--radius-md);box-shadow:var(--shadow-card);margin:14px 20px 0;padding:16px 18px}.promo-card__title{font-family:var(--font-display);font-size:17px;font-weight:800;line-height:1.2}.promo-card__desc{opacity:.95;margin-top:6px;font-size:13px;font-weight:600;line-height:1.35}.promo-card__meta{letter-spacing:.02em;opacity:.8;margin-top:10px;font-size:11px;font-weight:700}.section-label{letter-spacing:.05em;text-transform:uppercase;color:var(--text-faint);margin-bottom:10px;font-size:12px;font-weight:800}.game-card{text-align:left;border:1px solid var(--border);border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-card);background:#fff;align-items:center;gap:12px;padding:14px;display:flex}.game-card:active{transform:scale(.99)}.game-card[disabled]{opacity:.55}.game-card__icon{border-radius:12px;flex-shrink:0;place-items:center;width:46px;height:46px;font-size:24px;display:grid}.game-card__name{color:var(--ink);font-size:15px;font-weight:800}.game-card__desc{color:var(--text-muted);margin:2px 0 8px;font-size:12px;font-weight:700}.pill{border-radius:var(--radius-pill);background:var(--page-bg);color:var(--text-muted);margin-right:6px;padding:4px 10px;font-size:11px;font-weight:800;display:inline-block}.lang-btn{border:1px solid var(--border);border-radius:var(--radius-pill);box-shadow:var(--shadow-card);background:#fff;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:800;display:inline-flex}.sheet-overlay{z-index:100;background:#0006;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{background:#fff;border-radius:20px 20px 0 0;width:100%;max-width:460px;margin:0 auto;padding:12px 16px 26px}.sheet__handle{background:var(--border-strong);border-radius:2px;width:40px;height:4px;margin:0 auto 12px}.sheet__title{font-family:var(--font-display);margin-bottom:10px;font-size:16px;font-weight:800}.lang-option{background:0 0;border:none;border-radius:12px;align-items:center;gap:12px;width:100%;padding:12px 8px;font-size:15px;font-weight:700;display:flex}.lang-option[aria-pressed=true]{background:var(--page-bg)}.lang-option__check{color:var(--green-text);margin-left:auto;font-weight:900}.start-screen{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:22px;padding:20px 24px;display:flex}.start-logo{object-fit:contain;width:84px;height:84px}.start-title{font-family:var(--font-display);color:var(--ink);font-size:26px;font-weight:800}.start-sub{color:var(--text-muted);margin-top:6px;font-weight:700}.level-btns{justify-content:center;gap:8px;display:flex}.btn-level{border:2px solid var(--border-strong);color:var(--ink);border-radius:var(--radius-pill);background:#fff;padding:10px 18px;font-weight:800}.btn-level.active{background:var(--brand);color:var(--brand-contrast);border-color:var(--brand)}.level-hint{color:var(--text-muted);min-height:18px;margin-top:10px;font-size:13px;font-weight:700}.game-head{align-items:center;gap:10px;padding:0;display:flex}.progress{background:var(--border);border-radius:0;flex:1;height:7px;overflow:hidden}.progress__fill{background:var(--blue);height:100%;transition:width .25s}.badge-points{color:var(--blue-dark);font-size:14px;font-weight:800}.q-count{color:var(--text-faint);text-transform:uppercase;letter-spacing:.04em;padding:0 16px;font-size:12px;font-weight:800}.q-text{font-family:var(--font-display);color:var(--ink);padding:12px 16px 14px;font-size:22px;font-weight:700}.options{flex-direction:column;gap:10px;padding:0 16px;display:flex}.option{text-align:left;border:2px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--ink);background:#fff;align-items:center;gap:10px;padding:15px 16px;font-size:15px;font-weight:700;display:flex}.option__letter{background:var(--page-bg);border-radius:8px;place-items:center;width:26px;height:26px;font-size:13px;font-weight:800;display:grid}.option.correct{border-color:var(--green-text);background:var(--green-bg)}.option.wrong{border-color:var(--red);background:var(--red-bg)}.option[disabled]{opacity:1}.tf-buttons{gap:12px;padding:0 16px;display:flex}.tf-btn{border:2px solid var(--border);border-radius:var(--radius-md);font-family:var(--font-display);background:#fff;flex:1;padding:22px 10px;font-size:18px;font-weight:800}.tf-btn.correct{border-color:var(--green-text);background:var(--green-bg)}.tf-btn.wrong{border-color:var(--red);background:var(--red-bg)}.explain{border-radius:var(--radius-md);background:var(--amber-bg);color:var(--amber-text);margin:16px;padding:14px;font-size:14px;font-weight:700}.feedback-bar{background:var(--paper);padding:14px 16px;padding-bottom:max(env(safe-area-inset-bottom), 16px);margin-top:auto;position:sticky;bottom:0;box-shadow:0 -6px 16px #0000000f}.results-screen{background:linear-gradient(160deg, var(--blue), var(--blue-dark));color:#fff;text-align:center;align-items:center;min-height:100dvh;padding:28px 20px}.results-heading{font-family:var(--font-display);margin-top:10px;font-size:26px;font-weight:800}.results-circle{border:8px solid #ffffff59;border-radius:50%;place-items:center;width:168px;height:168px;margin:24px 0;display:grid}.results-circle__pct{font-family:var(--font-display);font-size:46px;font-weight:800}.results-circle__sub{opacity:.9;font-size:13px;font-weight:700}.results-stats{gap:10px;width:100%;max-width:360px;margin-bottom:20px;display:flex}.results-stats>div{border-radius:var(--radius-md);background:#ffffff26;flex:1;padding:14px 8px}.results-stat__value{font-family:var(--font-display);font-size:20px;font-weight:800}.results-stat__label{opacity:.9;text-transform:uppercase;font-size:11px;font-weight:700}.results-actions{flex-direction:column;gap:10px;width:100%;max-width:360px;margin-top:auto;display:flex}.memory-grid{gap:10px;padding:16px;display:grid}.mcard{aspect-ratio:3/4;background:var(--blue);cursor:pointer;border:none;border-radius:12px;position:relative;overflow:hidden}.mcard img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.mcard__back{background:linear-gradient(160deg, var(--blue), var(--blue-dark));color:#fff;place-items:center;font-size:22px;font-weight:900;display:grid;position:absolute;inset:0}.q-image{object-fit:contain;border-radius:var(--radius-md);width:auto;max-width:calc(100% - 40px);max-height:38vh;box-shadow:var(--shadow-card);margin:10px auto 4px;display:block}.screen-brand-logo{object-fit:contain;opacity:.9;width:auto;max-width:60%;height:38px;margin:4px auto 14px;display:block}.mcard__back--brand{background:var(--brand);color:var(--brand-contrast)}.mcard__back-logo{object-fit:contain;width:76%;height:auto;max-height:76%;position:static;inset:auto}.mcard.flipped .mcard__back{display:none}.mcard.matched{opacity:.55}.memory-stats{color:var(--text-muted);justify-content:center;gap:18px;padding:6px 16px;font-weight:800;display:flex}.empty-state{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;padding:40px 24px;display:flex}.empty-state__icon{font-size:44px}.empty-state__title{font-family:var(--font-display);font-size:20px;font-weight:800}.empty-state__desc{color:var(--text-muted);font-weight:700}