.btn{font-family:var(--font-body);cursor:pointer;border-radius:var(--r-pill);transition:transform .15s var(--ease), background .15s, box-shadow .15s, border-color .15s, opacity .15s;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:13px 24px;font-size:15px;font-weight:700;display:inline-flex}.btn:active{transform:translateY(1px)scale(.99)}.btn:disabled{opacity:.6;cursor:default;transform:none}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px #5a4ff352}.btn-primary:hover:not(:disabled){background:var(--accent-press)}.btn-secondary{background:var(--surface);color:var(--ink);border:1.5px solid var(--line)}.btn-secondary:hover:not(:disabled){border-color:var(--ink)}.btn-ghost{color:var(--accent);box-shadow:none;background:0 0;padding:13px 16px}.btn-ghost:hover:not(:disabled){background:var(--accent-soft)}.btn-onink{background:var(--accent-soft);color:var(--accent);box-shadow:none}.btn-onink:hover:not(:disabled){background:#dedcfc}.btn-sm{min-height:38px;padding:9px 16px;font-size:13.5px}.btn-block{width:100%}.game-page{flex-direction:column;gap:24px;width:100%;max-width:880px;margin:0 auto;padding:24px 24px 48px;display:flex}.game-page-subtitle{color:var(--muted);margin-top:4px;font-size:14.5px}.theme-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.theme-card{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);cursor:pointer;width:100%;transition:transform .18s var(--ease), box-shadow .18s;flex-direction:column;gap:6px;padding:20px;display:flex}.theme-card:hover{box-shadow:var(--shadow-sm);transform:translateY(-3px)}.theme-card-name{color:var(--ink);font-size:16px;font-weight:700}.theme-card-meta{color:var(--muted);font-size:12.5px}.activity-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.activity-card{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);cursor:pointer;width:100%;min-height:44px;transition:transform .18s var(--ease), box-shadow .18s;flex-direction:column;gap:8px;padding:20px;display:flex}.activity-card:hover:not(:disabled){box-shadow:var(--shadow-sm);transform:translateY(-3px)}.activity-card:disabled{opacity:.5;cursor:not-allowed}.activity-card-icon{border-radius:var(--r-sm);background:var(--accent-soft);width:38px;height:38px;color:var(--accent);justify-content:center;align-items:center;display:flex}.activity-card-title{color:var(--ink);font-size:15.5px;font-weight:700}.activity-card-desc{color:var(--muted);font-size:13px;line-height:1.4}@media (width<=720px){.game-page{padding:18px 16px 40px}}