@media (max-width: 560px) {
  .mobile-header {
    min-height: 60px;
    padding-inline: 12px;
  }
  .mobile-header .brand { gap: 8px; }
  .mobile-header .brand-mark { width: 32px; height: 32px; }
  .mobile-header .brand strong {
    font-size: clamp(9px, 2.5vw, 10px);
    letter-spacing: .11em;
  }
  .language-switcher-mobile .language-trigger {
    min-height: 40px;
    padding: 7px 10px;
  }
  .language-switcher-mobile .language-trigger strong { font-size: 11px; }

  .mobile-header nav {
    min-height: 72px;
    padding-top: 6px;
  }
  .mobile-header nav a {
    min-height: 58px;
    gap: 5px;
    font-size: clamp(9px, 2.5vw, 10px);
  }
  .mobile-header nav img { width: 24px; height: 24px; }

  .content { padding: 24px 14px calc(102px + env(safe-area-inset-bottom)); }
  .page-head { display: block; margin-bottom: 24px; padding-bottom: 18px; }
  h1 {
    font-size: clamp(30px, 8.6vw, 38px);
    line-height: 1.04;
  }
  .eyebrow { font-size: 10px; }
  .page-head .page-subtitle { display: none; }

  .collection-header-actions { width: 100%; gap: 8px; margin-top: 17px; }
  .collection-import-open { flex: 1 1 0; }
  .collection-import-open, .collection-reset {
    min-height: 44px;
    font-size: 13px;
  }
  .collection-summary { grid-template-columns: 1fr; }
  .collection-main-metric {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    min-height: 112px;
    padding: 18px 20px;
  }
  .collection-metric-value strong { font-size: clamp(29px, 8vw, 34px); }
  .collection-metric-value span { font-size: 13px; }
  .collection-main-metric small { font-size: 11px; }
  .collection-main-metric em { font-size: 10px; }
  .collection-rarity-summary {
    border-top: 0;
  }
  .collection-rarity-metric {
    min-height: 110px;
    grid-template-rows: 30px 13px 18px;
    gap: 5px;
    padding: 13px 4px;
  }
  .collection-rarity-metric .rarity-icon { width: 26px; height: 26px; }
  .collection-rarity-metric strong { font-size: 14px; }
  .collection-rarity-metric p span { font-size: 10.5px; }
  .collection-rarity-label {
    font-size: clamp(7.5px, 2vw, 8.5px);
    letter-spacing: .035em;
  }

  .filters,
  .filters.champion-filters,
  .filters.skinline-filters,
  .chinese-chroma-toolbar {
    display: none;
  }

  .skin-grid, .chinese-chroma-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px 8px;
  }
  .champion-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px 8px;
  }
  .card-body, .champion-card-body { padding: 42px 10px 10px; }
  .card-body h2, .champion-card h2 {
    margin-bottom: 6px;
    font-size: clamp(13px, 3.8vw, 16px);
    line-height: 1.2;
  }
  .card-meta, .rarity-tag, .champion-roles, .champion-skin-count {
    font-size: clamp(10px, 2.8vw, 11px);
  }
  .card-meta { gap: 6px 8px; }
  .rarity-tag { gap: 5px; }
  .rarity-tag .rarity-icon { width: 20px; height: 20px; }
  .chinese-chroma-body {
    min-height: 104px;
    padding: 13px 9px 15px;
  }
  .chinese-chroma-body h2 {
    margin-bottom: 6px;
    font-size: clamp(14px, 3.4vw, 16px);
    line-height: 1.35;
  }
  .chinese-chroma-body p { font-size: 13px; }

  .line-card-count { top: 12px; left: 12px; padding: 6px 10px; font-size: 12px; }
  .line-card-content { padding: 22px 18px 24px; }
  .line-card h2 {
    margin-bottom: 12px;
    font-size: clamp(28px, 7.8vw, 34px);
    line-height: 1.04;
  }
  .line-card-description { font-size: 14px; line-height: 1.6; }
  .line-card-facts { margin-top: 20px; }
  .line-card-fact dt { font-size: 10px; }
  .line-card-fact dd { font-size: 13px; }

  .setting-row { align-items: flex-start; gap: 16px; padding-block: 20px; }
  .settings-section + .settings-section { margin-top: 48px; }
  .settings-section-heading { display: block; }
  .settings-section-heading p { margin-top: 6px; }
  .settings-section-title { font-size: 25px; }
  .setting-row h2 { font-size: 16px; line-height: 1.35; }
  .setting-row p { font-size: 14px; line-height: 1.55; }
  .data-source-row { display: block; min-height: 0; padding: 18px 4px; }
  .data-source-text strong { font-size: 16px; line-height: 1.35; }
  .data-source-text small { font-size: 14px; line-height: 1.5; }
  .data-source-action {
    min-height: 42px;
    margin-top: 13px;
    padding: 9px 11px;
    font-size: 13px;
  }

  .detail-panel { padding: 24px 18px; }
  .detail-panel-header { margin-bottom: 19px; }
  .detail-panel h1 {
    font-size: clamp(30px, 8vw, 35px);
    line-height: 1.06;
  }
  .detail-panel-sections { grid-template-columns: 1fr; }
  .detail-panel-label { font-size: 10px; }
  .detail-panel-value { font-size: 14.5px; }
  .detail-panel-description { grid-column: auto; }
  .skin-detail-description { font-size: 14.5px; line-height: 1.65; }
  .champion-detail-panel { padding: 26px 20px; }
  .champion-detail-title { font-size: 20px; }
  .detail-facts { font-size: 14px; line-height: 1.5; }

  .chroma-layout.chroma-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }
  .chroma-info { padding: 21px 17px; }
  .chroma-info h3 { font-size: 24px; }
  .chroma-description {
    overflow: visible;
    text-overflow: clip;
    font-size: 14.5px;
    line-height: 1.65;
    white-space: normal;
  }
  .generated-chroma-card { gap: 7px; padding: 7px; }
  .generated-chroma-card-meta strong { font-size: 12px; }
  .generated-chroma-swatch { width: 18px; height: 18px; flex-basis: 18px; }

  .champion-chroma-selector-slot { min-height: min(460px, 62vh); }
  .champion-chroma-selector > h2 { padding: 18px 17px 3px; font-size: 22px; }
  .champion-chroma-count { padding: 0 17px 15px; font-size: 13px; }
  .champion-chroma-option strong { font-size: 13.5px; }
  .champion-chroma-option small { font-size: 12px; }
}

@media (max-width: 350px) {
  .mobile-header { padding-inline: 10px; }
  .mobile-header .brand { gap: 6px; }
  .mobile-header .brand-mark { width: 30px; height: 30px; }
  .mobile-header .brand strong {
    display: block;
    font-size: 9px;
    letter-spacing: .08em;
  }
  .language-switcher-mobile .language-trigger { padding-inline: 8px; }
  .mobile-header nav { padding-inline: 2px; }
  .mobile-header nav a {
    padding-inline: 0;
    font-size: 9px;
  }
  .mobile-header nav img { width: 22px; height: 22px; }
  .content { padding-inline: 10px; }
}