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#e4e7eb;border-radius:18px;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.image-frame img{object-fit:cover;width:100%;height:100%}.image-status{color:#7b8794;font-size:.95rem}.image-credit{color:#7b8794;font-size:.85rem}button{color:#1f2933;cursor:pointer;background-color:#fff;border:1px solid #cbd2d9;border-radius:12px;padding:10px 16px;font-family:inherit;font-size:1rem;font-weight:600;transition:transform .15s,box-shadow .15s,border-color .15s}button:hover:not(:disabled){border-color:#9aa5b1;transform:translateY(-1px);box-shadow:0 8px 16px #1f293314}button:disabled{opacity:.6;cursor:not-allowed}button.primary{color:#fff;background:#1f2933;border-color:#0000}button.primary:hover:not(:disabled){border-color:#0000;box-shadow:0 10px 18px #1f29332e}.error{color:#b42318;background:#fdecec;border-radius:12px;padding:12px 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input:focus{border-color:#0000;outline:2px solid #9aa5b1}@media (max-width:720px){.app-card{padding:28px}.app-header{flex-direction:column;align-items:flex-start}.activity-header{flex-direction:row;align-items:center;gap:12px}.back-button{width:auto}.controls,.composer{flex-direction:column}button,.composer input{width:100%}}.correction-stack{z-index:10;flex-direction:column;gap:12px;width:min(320px,90vw);display:flex;position:fixed;bottom:24px;right:24px}.vocab-stack{z-index:10;flex-direction:column;gap:12px;width:min(320px,90vw);display:flex;position:fixed;bottom:24px;left:24px}.vocab-card header .needs-work{color:#92400e;background:#fef3c7}.correction-card{background:#fff;border:1px solid #e4e7eb;border-radius:16px;gap:8px;padding:14px 16px 16px;animation:.25s correction-slide,.4s 9.4s forwards correction-fade;display:grid;box-shadow:0 14px 30px #1f29331f}.correction-card 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