.secondary-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 8px 16px;
  border: 1px solid #aaa;
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: #444;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.secondary-button--full { width: 100%; min-height: 48px; }
.secondary-button:hover,
.secondary-button:focus-visible { border-color: var(--ink); background: var(--ink); color: var(--surface); }
.secondary-button:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.secondary-button:disabled { cursor: default; opacity: 1; }
.secondary-button:disabled:hover { border-color: #aaa; background: var(--surface); color: #444; }

.primary-button { width: 100%; min-height: 45px; padding: 10px 18px; border: 1px solid var(--ink); border-radius: var(--radius-pill); background: var(--ink); color: var(--surface); cursor: pointer; font: inherit; font-size: 14px; font-weight: 700; transition: background-color .18s ease, color .18s ease; }
.primary-button:hover { background: var(--surface); color: var(--ink); }
.primary-button:focus-visible { outline: 3px solid rgb(0 0 0 / 18%); outline-offset: 3px; }

.submission-status-picker { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 28px 0 var(--space-3); }
.submission-status-picker__option { min-height: 32px; padding: 6px 12px; border: 1px solid var(--line); border-radius: var(--radius-pill); background: var(--surface); color: #666; cursor: pointer; font: inherit; font-size: 12px; font-weight: 600; }
.submission-status-picker__option.is-active { border-color: var(--ink); color: var(--ink); }
.submission-status { padding: 18px 20px; border-radius: var(--radius-control); background: var(--canvas); }
.submission-status__meta { display: flex; align-items: center; gap: var(--space-2); color: var(--ink); font-size: 14px; font-weight: 700; }
.submission-status__dot { width: 9px; height: 9px; flex: 0 0 9px; border-radius: var(--radius-round); background: var(--status-submitted); }
.submission-status--in_review .submission-status__dot { background: var(--status-review); }
.submission-status--approved .submission-status__dot { background: var(--status-approved); }
.submission-status__description { margin: var(--space-2) 0 var(--space-4); color: #555; font-size: 14px; line-height: 1.3; }
.submission-status--in_review .submission-status__description, .submission-status--approved .submission-status__description { margin-bottom: 0; }
.submission-reviewer-comment { display: grid; grid-template-columns: 36px 1fr; gap: 9px; align-items: start; margin-top: 14px; }
.submission-reviewer-comment__avatar { display: grid; width: 36px; height: 36px; place-items: center; border-radius: var(--radius-round); background: #ddd; color: var(--ink); font-size: 12px; font-weight: 700; }
.submission-reviewer-comment p { margin: 0; color: var(--ink); font-size: 14px; line-height: 1.3; }
.submission-reviewer-comment small { display: block; margin-top: 5px; color: #888; font-size: 12px; }
.submission-status__action-row { margin-top: 16px; }
.lesson-answer-summary { padding: 23px 20px 24px; border-radius: var(--radius-card); background: var(--surface); }
.lesson-answer-summary--editing .lesson-assignment { margin-top: 22px; }
.lesson-answer-summary--editing .lesson-assignment__header h3 { font-size: 18px; }
.lesson-answer-summary__title { margin: 0 0 18px; font-size: 22px; line-height: 1.05; letter-spacing: -.035em; }
.lesson-answer-summary__list { display: grid; gap: 16px; margin-top: 20px; }
.lesson-answer { padding-top: 16px; border-top: 1px solid var(--line); }
.lesson-answer:first-child { padding-top: 0; border-top: 0; }
.lesson-answer h3 { margin: 0 0 7px; font-size: 15px; line-height: 1.2; letter-spacing: -.02em; }
.lesson-answer__text, .lesson-answer__scale, .lesson-answer__empty, .lesson-answer__choices { margin: 0; color: #4d4d4d; font-size: 14px; line-height: 1.35; }
.lesson-answer__scale { font-weight: 600; color: var(--ink); }
.lesson-answer__choices { padding-left: 19px; }
.lesson-answer__choices li + li { margin-top: 3px; }

@media (max-width: 767px) {
  .submission-status { padding: 17px 18px; }
  .lesson-answer-summary { padding: 20px 18px; }
}