@media (max-width: 900px) {
  .inspector {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .session-item.guide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  body {
    background:
      radial-gradient(circle at 10% 0%, rgba(180, 69, 47, 0.1), transparent 18rem),
      linear-gradient(var(--page), #f7efe4);
  }

  .shell {
    width: 100%;
    padding: 0 8px calc(86px + env(safe-area-inset-bottom));
  }

  .masthead {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    align-items: stretch;
    padding: 10px 2px 8px;
  }

  h1 {
    font-size: 25px;
    letter-spacing: -0.04em;
  }

  .eyebrow,
  #subtitle {
    display: none;
  }

  .hero-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 5px;
  }

  .metric-card {
    border-radius: 13px;
    padding: 6px 6px 7px;
    text-align: center;
  }

  .metric-card span {
    font-size: 9px;
  }

  .metric-card strong {
    margin-top: 2px;
    font-size: 15px;
  }

  .studio {
    gap: 8px;
  }

  .section-copy {
    display: none;
  }

  .mode-grid {
    display: flex;
    gap: 8px;
    margin: 0 -8px;
    padding: 4px 8px 0;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .mode-grid::-webkit-scrollbar,
  .chip-group::-webkit-scrollbar,
  .control-strip::-webkit-scrollbar {
    display: none;
  }

  .mode-card {
    min-width: 102px;
    min-height: 42px;
    border-radius: 999px;
    padding: 9px 12px;
    scroll-snap-align: start;
  }

  .mode-name {
    font-size: 15px;
  }

  .mode-stats,
  .mode-note {
    display: none;
  }

  .control-strip {
    top: 0;
    flex-direction: row;
    align-items: center;
    border-radius: 16px;
    margin: 0;
    padding: 6px;
    overflow-x: auto;
  }

  .chip-group {
    flex-wrap: nowrap;
    flex: 0 0 auto;
    gap: 6px;
  }

  .chip {
    min-height: 40px;
    padding: 8px 11px;
    font-size: 13px;
  }

  .chip,
  .star,
  .actions button {
    white-space: nowrap;
  }

  .inspector {
    display: none;
  }

  .workbench {
    max-width: none;
    margin-top: 0;
  }

  .quiz-card {
    min-height: calc(100svh - 158px);
    border-radius: 20px;
    padding: 13px 12px 92px;
  }

  .card-head,
  .question-meta {
    align-items: flex-start;
  }

  .route span:not(.pill) {
    display: none;
  }

  .star {
    min-height: 36px;
    padding: 7px 11px;
    font-size: 13px;
  }

  .progress-track {
    height: 5px;
    margin: 11px 0 10px;
  }

  .question-meta {
    gap: 8px;
    padding-bottom: 10px;
    font-size: 12px;
  }

  .question {
    margin-top: 16px;
    font-size: clamp(22px, 6.4vw, 28px);
    line-height: 1.55;
  }

  .choice-hint {
    margin-top: 12px;
    font-size: 13px;
  }

  .options {
    gap: 10px;
    margin-top: 16px;
  }

  .option {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    border-radius: 17px;
    min-height: 58px;
    padding: 14px 13px;
    font-size: 16px;
    line-height: 1.58;
  }

  .badge {
    width: 31px;
    height: 31px;
    border-radius: 10px;
  }

  .actions {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 8;
    justify-content: stretch;
    margin: 0;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(251, 247, 239, 0.92);
    border-top: 1px solid var(--line);
    box-shadow: 0 -12px 36px rgba(33, 28, 20, 0.13);
    backdrop-filter: blur(14px);
  }

  .actions button {
    flex: 1;
    min-height: 48px;
    min-width: 0;
  }

  .result {
    margin-top: 18px;
    padding: 14px;
  }
}