.reading-levels, .volume-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; }.reading-levels label, .volume-grid label, .time-options label { cursor: pointer; }.reading-levels input, .volume-grid input, .time-options input { position: absolute; opacity: 0; }.reading-levels span, .volume-grid span { min-height: 110px; display: flex; flex-direction: column; justify-content: center; padding: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 13px; }.reading-levels strong, .volume-grid strong { font-size: 16px; }.reading-levels small, .volume-grid small { margin-top: 7px; color: var(--muted); font-size: 11px; }.reading-levels input:checked + span, .volume-grid input:checked + span, .time-options input:checked + span { color: #8b6100; background: #fff4d6; border-color: #d9a52c; box-shadow: inset 0 0 0 1px #d9a52c; }.custom-reading-count { display: flex; align-items: center; gap: 10px; margin-top: 14px; color: var(--muted); font-size: 13px; }.custom-reading-count input { width: 70px; padding: 8px; border: 1px solid var(--line); border-radius: 9px; font: inherit; }.volume-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; }.time-options { display: flex; flex-wrap: wrap; gap: 9px; }.time-options span { display: block; padding: 10px 13px; border: 1px solid var(--line); border-radius: 9px; font-size: 13px; }
@media (max-width: 650px) { .reading-levels, .volume-grid { grid-template-columns: repeat(2, 1fr); }.reading-levels span, .volume-grid span { min-height: 94px; }.custom-reading-count { align-items: flex-start; flex-direction: column; gap: 6px; } }