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auto;display:flex}.offline-confirm-question{color:var(--ink-muted);font-size:var(--fs-body);margin:0;font-weight:600}.offline-confirm-actions{align-items:center;gap:var(--s-5);display:flex}.offline-ja-btn{cursor:pointer;border-radius:var(--r-tile);background:0 0;border:none;padding:0;transition:transform .12s}@media (hover:hover){.offline-ja-btn:hover{transform:translateY(-3px)}}.offline-ja-btn:active{transform:scale(.95)}.offline-nein-btn{border-radius:var(--r-pill);background:var(--surface);min-width:64px;min-height:64px;box-shadow:var(--shadow-tile);color:var(--ink);cursor:pointer;border:none;font-size:28px;transition:transform .12s}@media (hover:hover){.offline-nein-btn:hover{transform:translateY(-2px)}}.offline-nein-btn:active{transform:translateY(3px)}@media (prefers-reduced-motion:reduce){.guest-btn,.login-screen .go-btn,.welcome-screen .cta,.offline-ja-btn,.offline-nein-btn{transition:none}}.exercise-stage{align-items:center;gap:var(--s-6);max-width:780px;padding:var(--s-7) clamp(var(--s-6), 6vw, 56px);background:var(--surface);border-radius:var(--r-card);box-shadow:var(--shadow-card);flex-direction:column;margin:0 auto;display:flex}.exercise-options-grid{gap:var(--s-5);justify-content:center;width:100%;display:grid}.exercise-options-grid[data-option-count="2"]{grid-template-columns:repeat(2,1fr)}.exercise-options-grid[data-option-count="3"]{grid-template-columns:repeat(3,1fr)}.exercise-options-grid[data-option-count="4"]{grid-template-columns:repeat(2,1fr)}.exercise-choice{min-width:64px;min-height:64px;padding:var(--s-4);background:var(--surface);border:3px solid var(--sand);border-radius:var(--r-tile);cursor:pointer;box-shadow:var(--shadow-tile);justify-content:center;align-items:center;transition:transform .18s,box-shadow .18s,opacity .5s,border-color .2s,background .2s;display:flex}@media (hover:hover){.exercise-choice:not(:disabled):hover{border-color:var(--leaf-border-soft);transform:translateY(-3px);box-shadow:0 8px 18px 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var(--sand-soft)}.intro-card-button{min-height:64px;margin-top:var(--s-2);border-radius:var(--r-pill);cursor:pointer;background:var(--leaf);color:var(--surface);padding:var(--s-4) var(--s-7);box-shadow:var(--shadow-press);border:none;font-size:20px;font-weight:600;transition:transform .12s,background .18s}@media (hover:hover){.intro-card-button:hover{background:var(--leaf-hover)}}.intro-card-button:active{box-shadow:0 3px 0 var(--leaf-deep);transform:translateY(3px)}@media 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#0000001f);font-size:var(--fs-body,17px);z-index:1000;align-items:center;gap:10px;padding:10px 16px;display:flex;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.update-notice-button{border-radius:var(--r-pill,999px);background:var(--leaf,#3f9d5a);color:#fff;font:inherit;cursor:pointer;border:none;padding:8px 14px}