html,
body {
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

/* =========================================================
   Contenimento e centratura dei container principali
   ========================================================= */
.app-shell,
#top,
.travel-page,
.travel-page-shell,
.travel-content,
.content-section,
.search-panel,
.topics-section,
.collections-panel,
.routes-panel,
.results-toolbar,
#mapPanel {
  max-width: 100%;
  box-sizing: border-box;
}

/* Pannelli centrati e a tutta larghezza, senza margini 4vw che tagliano */
@media (max-width: 900px) {
  .search-panel,
  .topics-section,
  .collections-panel,
  .routes-panel,
  .results-toolbar,
  #mapPanel,
  .content-section {
    width: min(100% - 20px, 1240px);
    margin-left: auto !important;
    margin-right: auto !important;
  }

  .content-section {
    padding-left: 0;
    padding-right: 0;
  }
}

/* =========================================================
   Chip di Collezioni/Temi: wrap centrati, niente scroll tagliato
   ========================================================= */
.chip-row {
  flex-wrap: wrap;
  overflow: visible;
  justify-content: center;
  gap: 8px;
}

.chip-row .chip {
  min-width: 0;
  flex: 0 1 auto;
}

/* =========================================================
   Griglia schede e itinerari: sempre a tutta larghezza
   ========================================================= */
.cards-grid,
.route-grid {
  width: 100%;
  box-sizing: border-box;
}

/* =========================================================
   Mobile & Hosted (telefono / tablet)
   ========================================================= */
@media (max-width: 768px) {
  .app-shell {
    width: 100%;
    padding: 0;
  }

  .travel-page-shell {
    width: min(100% - 16px, 1260px);
    margin-left: auto;
    margin-right: auto;
  }

  .travel-page-intro {
    margin: 0;
    padding: 24px 16px;
    border-radius: 0;
    text-align: center;
  }

  .travel-page-intro h1 {
    font-size: clamp(24px, 7vw, 42px);
  }

  .search-panel {
    margin: 16px auto;
    padding: 16px 12px;
    border-radius: 20px;
    width: min(100% - 16px, 1240px);
  }

  .search-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .filter-row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .browse-tools {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 12px;
  }

  .browse-tools > * {
    width: 100%;
    justify-content: center;
    min-width: 0;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 10px;
    width: 100%;
    box-sizing: border-box;
  }

  .card-image {
    height: 180px;
  }

  .topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 0 12px;
  }

  .route-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 0 12px;
  }

  .route-card {
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .browse-tools {
    grid-template-columns: 1fr;
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    padding: 0 8px;
  }

  .route-grid {
    padding: 0 8px;
  }
}