.esg-playlist { width: 100%; aspect-ratio: 16 / 9; border: 0; display: block; margin: 24px 0; background: var(--surface); }
.esg-lessons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 32px; }
.esg-lesson { min-width: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.esg-lesson-media { aspect-ratio: 16 / 9; background: var(--surface); position: relative; }
.esg-lesson-media iframe, .esg-lesson-media img { width: 100%; height: 100%; display: block; border: 0; object-fit: cover; }
.esg-lesson-media button { border: 0; padding: 0; width: 100%; height: 100%; cursor: pointer; background: transparent; }
.esg-lesson-media button span { position: absolute; bottom: 16px; left: 16px; padding: 8px 14px; background: var(--paper); color: var(--ink); border-radius: 4px; font-weight: 600; }
.esg-lesson-copy { padding: 20px; }
.esg-lesson-copy h3 { font-size: 20px; margin: 8px 0 16px; }
.esg-lesson-copy .button-row { gap: 16px; }
.esg-practice-layout { display: grid; grid-template-columns: minmax(220px, 280px) minmax(0, 1fr); gap: 48px; align-items: start; }
.esg-quiz-settings { display: grid; gap: 12px; }
.esg-quiz-settings fieldset, #question-form fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.esg-quiz-settings legend { font-weight: 600; margin-bottom: 12px; }
.esg-mode-switch { display: flex; flex-wrap: wrap; gap: 12px; }
.esg-mode-switch label { display: flex; align-items: center; gap: 6px; }
.esg-practice-layout input { accent-color: var(--green); }
.esg-practice-layout select { width: 100%; min-height: 44px; font: inherit; padding: 10px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--paper); color: var(--ink); }
.esg-practice-layout button { white-space: normal; }
.esg-practice-layout button:disabled { opacity: .55; cursor: default; }
.esg-quiz-settings #quiz-start { margin-top: 10px; }
.esg-quiz-workspace { min-width: 0; }
#quiz-session { scroll-margin-top: 100px; }
.esg-quiz-progress { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.esg-quiz-progress p { font-size: 14px; margin: 0 0 8px; }
#quiz-progress { width: 100%; height: 8px; accent-color: var(--green); display: block; margin-bottom: 24px; }
.esg-question-jump { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.esg-question-jump select { width: auto; max-width: 60%; }
#question-stem { width: 100%; font-size: 22px; font-weight: 600; line-height: 1.45; margin-bottom: 12px; scroll-margin-top: 100px; }
.esg-choice { display: flex; align-items: flex-start; gap: 12px; padding: 16px; border: 1px solid var(--line); border-radius: 6px; margin-bottom: 12px; cursor: pointer; }
.esg-choice:has(input:checked) { border-color: var(--green); background: var(--surface-strong); }
.esg-choice input { flex-shrink: 0; margin-top: 6px; }
.esg-choice span { min-width: 0; overflow-wrap: anywhere; }
.esg-choice b { margin-right: 8px; }
.esg-choice.is-correct { border-color: var(--green); }
.esg-choice.is-incorrect { border-color: var(--coral); }
#check-answer { margin-top: 12px; }
.esg-feedback { padding: 24px 0; border-top: 1px solid var(--line); }
.esg-feedback h2 { font-size: 22px; }
.esg-feedback p { white-space: pre-line; }
.esg-quiz-nav { display: flex; justify-content: space-between; gap: 16px; padding-top: 24px; border-top: 1px solid var(--line); }
.esg-independence { margin-top: 48px; }
[hidden] { display: none !important; }
@media (max-width: 760px) {
  .esg-lessons, .esg-practice-layout { grid-template-columns: minmax(0, 1fr); }
  .esg-practice-layout { gap: 32px; }
  .esg-quiz-settings { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
  #question-stem { font-size: 20px; }
}