.reading-check { margin: 24px 0; padding: 24px; border: 1px solid var(--line, #dce1eb); border-radius: 14px; background: var(--panel, #fff); color: var(--ink, #172033); }
.reading-check [hidden] { display: none !important; }
.reading-check__header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.reading-check__eyebrow { margin: 0 0 6px; color: var(--accent-dark, #3730a3); font-size: 12px; font-weight: 650; }
.reading-check h2 { margin: 0; font-size: 20px; line-height: 1.5; }
.reading-check__intro { margin: 8px 0 0; color: var(--muted, #5f687a); font-size: 13px; line-height: 1.75; }
.reading-check__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.reading-check__button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 15px; border: 1px solid var(--line, #dce1eb); border-radius: 8px; background: var(--panel, #fff); color: var(--ink, #172033); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
.reading-check__button--primary { border-color: var(--accent, #4f46e5); background: var(--accent, #4f46e5); color: #fff; }
.reading-check__button:hover { filter: brightness(.96); }
.reading-check :is(button, a, summary, input):focus-visible { outline: 3px solid var(--accent, #4f46e5); outline-offset: 4px; }
.reading-check__reference { margin-top: 18px; border-top: 1px solid var(--line, #dce1eb); }
.reading-check__reference details { border-bottom: 1px solid var(--line, #dce1eb); }
.reading-check__reference summary { padding: 14px 4px; font-size: 13px; line-height: 1.7; font-weight: 600; cursor: pointer; }
.reading-check__explanation { padding: 0 4px 16px; font-size: 13px; line-height: 1.8; }
.reading-check__explanation p { margin: 0 0 10px; }
.reading-check a { color: var(--accent-dark, #3730a3); text-underline-offset: 3px; }
.reading-check__progress { display: block; width: 100%; height: 7px; margin-top: 20px; border: 0; border-radius: 8px; overflow: hidden; accent-color: var(--accent, #4f46e5); background: var(--subtle, #f3f4f8); }
.reading-check__progress::-webkit-progress-bar { background: var(--subtle, #f3f4f8); }
.reading-check__progress::-webkit-progress-value { background: var(--accent, #4f46e5); }
.reading-check__progress::-moz-progress-bar { background: var(--accent, #4f46e5); }
.reading-check__status { margin: 10px 0; color: var(--muted, #5f687a); font-size: 12px; line-height: 1.6; }
.reading-check__status:empty { display: none; }
.reading-check__stage { margin-top: 16px; max-width: 820px; }
.reading-check__question { margin: 0 0 16px; font-size: 17px; line-height: 1.75; }
.reading-check__choices { display: grid; gap: 8px; min-width: 0; margin: 0 0 14px; padding: 0; border: 0; }
.reading-check__legend { margin-bottom: 8px; padding: 0; font-size: 12px; color: var(--muted, #5f687a); }
.reading-check__choice { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 12px 14px; border: 1px solid var(--line, #dce1eb); border-radius: 8px; font-size: 13px; line-height: 1.7; cursor: pointer; }
.reading-check__choice:has(input:checked) { border-color: var(--accent, #4f46e5); background: var(--accent-soft, #eef2ff); }
.reading-check__choice input { flex: 0 0 auto; width: 18px; height: 18px; margin: 0; accent-color: var(--accent, #4f46e5); }
.reading-check__choices:disabled .reading-check__choice { cursor: default; }
.reading-check__feedback { margin: 14px 0; padding: 16px; border-left: 3px solid var(--accent, #4f46e5); border-radius: 0 8px 8px 0; background: var(--accent-soft, #eef2ff); font-size: 13px; line-height: 1.8; }
.reading-check__feedback p { margin: 8px 0; }
.reading-check__result { font-size: 13px; color: var(--muted, #5f687a); }
.reading-check__takeaways { margin: 14px 0; padding-left: 20px; font-size: 14px; line-height: 2; }
.reading-check__next { display: flex; gap: 8px 20px; flex-wrap: wrap; margin-top: 18px; }
.reading-check__next a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 13px; font-weight: 600; }
@media (max-width: 600px) {
  .reading-check { padding: 18px; }
  .reading-check h2 { font-size: 19px; }
  .reading-check__question { font-size: 16px; }
  .reading-check__actions { width: 100%; }
  .reading-check__choice { padding: 11px; }
}