.lesson-progress-open { margin-left: 8px; }
.lesson-progress-dialog { width: min(1040px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 0; border: 0; border-radius: 28px; color: #34363d; background: #fff; box-shadow: 0 28px 80px rgba(47, 35, 38, .24); }
.lesson-progress-dialog::backdrop { background: rgba(37, 31, 34, .58); backdrop-filter: blur(4px); }
.lesson-progress-shell { padding: 30px; overflow: auto; max-height: calc(100vh - 32px); }
.lesson-progress-head { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; padding-bottom: 22px; border-bottom: 1px solid #e8e8eb; }
.lesson-progress-head h2 { margin: 4px 0 6px; font-size: clamp(28px, 3vw, 40px); line-height: 1.05; letter-spacing: -.035em; }
.lesson-progress-head p:last-child { margin: 0; color: #737781; }
.lesson-progress-close { width: 48px; height: 48px; flex: 0 0 48px; border: 0; border-radius: 15px; background: #f1f2f4; color: #34363d; font-size: 32px; line-height: 1; cursor: pointer; }
.lesson-progress-summary { margin: 22px 0; }
.lesson-progress-meter { display: grid; grid-template-columns: 150px minmax(0, 1fr); align-items: center; gap: 20px; padding: 18px 20px; border-radius: 18px; background: #fff7e0; border: 1px solid #f6d776; }
.lesson-progress-meter strong { display: block; font-size: 30px; line-height: 1; }
.lesson-progress-meter span { display: block; margin-top: 4px; color: #7a6840; font-size: 13px; }
.lesson-progress-track { height: 12px; overflow: hidden; border-radius: 999px; background: rgba(105, 82, 22, .14); }
.lesson-progress-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #ffbf16, #eb1d3b); }
.lesson-progress-notice { min-height: 22px; margin: -8px 0 16px; color: #278145; font-weight: 650; }
.lesson-progress-notice.is-error { color: #c41834; }
.lesson-progress-content { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .8fr); gap: 24px; align-items: start; }
.lesson-progress-content h3 { margin: 0 0 14px; font-size: 22px; }
.lesson-progress-chapter { margin-bottom: 14px; padding: 16px; border: 1px solid #e8e8eb; border-radius: 18px; background: #fff; }
.lesson-progress-chapter h4 { margin: 0 0 10px; font-size: 16px; }
.lesson-progress-row { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid #eeeef1; }
.lesson-progress-number { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: #f4f4f6; color: #70737c; font-size: 12px; font-weight: 750; }
.lesson-progress-row-copy strong { display: block; font-size: 15px; line-height: 1.35; }
.lesson-progress-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.lesson-progress-tags span { padding: 4px 8px; border-radius: 999px; background: #f2f3f5; color: #6e727c; font-size: 11px; font-weight: 700; }
.lesson-progress-tags .is-complete { background: #e6f7eb; color: #278145; }
.lesson-progress-tags .is-scorm { background: #fff3cf; color: #7f6200; }
.lesson-progress-action { min-height: 44px; white-space: nowrap; }
.sp-button--danger-soft { background: #fff0f2; color: #c41834; border-color: #f5c6ce; }
.lesson-progress-history { position: sticky; top: 0; max-height: 580px; overflow: auto; padding: 18px; border-radius: 18px; background: #f5f5f7; }
.lesson-progress-history-row { padding: 13px 0; border-top: 1px solid #dedfe3; }
.lesson-progress-history-row:first-child { padding-top: 0; border-top: 0; }
.lesson-progress-history-row > div { display: flex; justify-content: space-between; gap: 12px; }
.lesson-progress-history-row strong { font-size: 14px; }
.lesson-progress-history-row time, .lesson-progress-history-row small { color: #7a7d86; font-size: 11px; }
.lesson-progress-history-row p { margin: 7px 0; font-size: 12px; line-height: 1.45; }
.lesson-progress-history-reason { color: #545760; }
.lesson-progress-empty { margin: 0; padding: 18px; border-radius: 14px; background: #f5f5f7; color: #747780; }
.lesson-progress-confirm { margin-top: 24px; padding: 22px; border-radius: 20px; border: 2px solid #f1bd29; background: #fff9e8; }
.lesson-progress-confirm h3 { margin: 4px 0 8px; font-size: 22px; }
.lesson-progress-confirm > div > p:not(.eyebrow) { margin: 0; color: #666874; }
.lesson-progress-confirm label { display: block; margin-top: 18px; }
.lesson-progress-confirm label span { display: block; margin-bottom: 7px; font-weight: 750; }
.lesson-progress-confirm label i { color: #e81d3d; }
.lesson-progress-confirm textarea { width: 100%; min-height: 96px; box-sizing: border-box; padding: 13px 14px; resize: vertical; border: 1px solid #cfd1d7; border-radius: 14px; font: inherit; background: #fff; }
.lesson-progress-confirm label small { display: block; margin-top: 6px; color: #767983; }
.lesson-progress-scorm { margin-top: 14px !important; padding: 12px 14px; border-radius: 12px; background: #fff0f2; color: #a91831 !important; font-weight: 650; }
.lesson-progress-confirm-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
@media (max-width: 760px) {
  .lesson-progress-dialog { width: 100vw; max-height: 100dvh; border-radius: 0; }
  .lesson-progress-shell { padding: 20px 16px 28px; max-height: 100dvh; }
  .lesson-progress-content { grid-template-columns: 1fr; }
  .lesson-progress-history { position: static; max-height: none; }
  .lesson-progress-meter { grid-template-columns: 1fr; gap: 12px; }
  .lesson-progress-row { grid-template-columns: 40px minmax(0, 1fr); }
  .lesson-progress-action { grid-column: 1 / -1; width: 100%; }
  .lesson-progress-confirm-actions { flex-direction: column-reverse; }
  .lesson-progress-confirm-actions .sp-button { width: 100%; min-height: 48px; }
  .lesson-progress-open { margin: 8px 0 0; width: 100%; }
}