/* ── Mobile: small screens ── */
@media (max-width: 480px) {
  #f-clock { font-size: clamp(3.5rem, 18vw, 5rem); }

  #dash-content {
    padding: 4.5rem 0 2.5rem;
    gap: 1.25rem;
  }

  /* Stack settings tabs horizontally */
  #settings-tabs {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    overflow-x: auto;
    padding: 0;
    -webkit-overflow-scrolling: touch;
    flex-shrink: 0;
  }
  .tab-btn { white-space: nowrap; padding: 0.55rem 0.85rem; }
  .modal-body { flex-direction: column; }
  #settings-content { padding: 0.9rem 1rem; }

  .s-input-wide { min-width: 140px; }
  .s-row { flex-wrap: wrap; }
  .s-ctrl { flex-wrap: wrap; }

  /* Quick open full width on mobile */
  #quick-panel { width: 95%; }
  #quick-open { padding-top: 5vh; align-items: flex-start; }

  /* Widget tiles stack on mobile — override all size variants */
  .widget-tile,
  .widget-tile[data-size] { flex: 1 1 100%; }

  /* Onboarding */
  #onboarding-panel { max-height: 96vh; }
  .ob-style-grid { grid-template-columns: repeat(2, 1fr); }
  .ob-footer { flex-wrap: wrap; }

  /* Search bar adaptations */
  #search-modes { display: none; }
  #search-bar { padding: 0.4rem 0.55rem; }
}

/* ── Tablet: medium screens ── */
@media (min-width: 481px) and (max-width: 768px) {
  #dash-content { padding: 5rem 0 2.5rem; }

  .widget-tile[data-size="small"]  { flex: 0 0 160px; }
  .widget-tile[data-size="medium"] { flex: 1 1 200px; }

  #settings-tabs {
    width: 120px;
  }
}

/* ── Desktop: large screens ── */
@media (min-width: 769px) {
  #dash-content { padding: 5.5rem 0 4rem; }

  .widget-tile[data-size="small"]  { flex: 0 0 180px; }
  .widget-tile[data-size="medium"] { flex: 1 1 240px; }
  .widget-tile[data-size="large"]  { flex: 1 1 380px; }
  .widget-tile[data-size="tall"]   { flex: 1 1 380px; }
  .widget-tile[data-size="wide"]   { flex: 1 1 100%; }
}

/* ── Large desktop ── */
@media (min-width: 1200px) {
  #top-bar { top: 1.5rem; right: 1.5rem; }
}

/* ── Touch device adjustments ── */
@media (hover: none) and (pointer: coarse) {
  /* Ensure tap targets are large enough */
  .link-chip { min-height: 40px; padding: 0.5rem 0.9rem; }
  .icon-btn  { width: 42px; height: 42px; }
  .s-toggle  { width: 44px; height: 24px; }
  .s-track::after { width: 18px; height: 18px; }
  .s-toggle input:checked ~ .s-track::after { transform: translateX(20px); }

  /* Show open-all button on touch (no hover) */
  .folder-open-all { opacity: 0.6; }

  /* Context menu via long-press handled in JS */
  .link-chip { -webkit-tap-highlight-color: transparent; }

  /* Tile action buttons always visible on touch */
  .tile-action-btn { opacity: 0.7; }

  /* Quick open full height */
  #quick-open { padding-top: 0; align-items: flex-end; }
  #quick-panel {
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  #quick-results { max-height: 55vh; }
}