/* Shared mobile-friendly overrides for FSFN Inventory.
   Loaded after each page's inline <style> so these rules win equal-specificity ties.
   !important is used liberally because page-specific styles often duplicate selectors;
   keeping these rules scoped to @media (max-width: 720px) confines the side effects. */

/* Always-on tweaks */
body {
  padding-top:    env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  overflow-x: hidden;            /* never allow the page to scroll horizontally */
}
html { overflow-x: hidden; }
@media (hover: none) {
  /* Don't keep hover styles "stuck" on touch devices after tap */
  a:hover, button:hover { background: transparent !important; }
}

/* ---- Phone (≤ 720px) ---- */
@media (max-width: 720px) {
  header {
    padding: 0 12px !important;
    height: auto !important;
    min-height: 48px !important;
    gap: 8px !important;
    overflow: hidden !important;        /* prevent kids from pushing viewport wider */
    flex-wrap: nowrap !important;
    align-items: center !important;
  }
  header h1 {
    font-size: 13px !important;
    flex: 0 0 auto !important;          /* h1 keeps its natural width */
    white-space: nowrap;
  }

  /* The dashboard wraps <nav> + #last-updated in a plain <div>.
     Make that wrapper shrinkable too. */
  header > div {
    min-width: 0 !important;
    flex: 1 1 auto !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
  }
  /* Drop the "Updated …" timestamp on phones to free up nav space */
  #last-updated { display: none !important; }

  header nav {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    min-width: 0 !important;            /* THIS is what lets a flex child actually shrink */
    flex: 1 1 auto !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-left: 0 !important;
    padding: 4px 0 !important;
    justify-content: flex-start;        /* scrolls from the left, more natural */
  }
  header nav::-webkit-scrollbar { display: none; }
  header nav a {
    font-size: 12px !important;
    white-space: nowrap;
    margin-left: 0 !important;
    padding: 4px 0;
    text-decoration: none;
    flex: 0 0 auto;
  }
  /* "Sign out" button compact */
  header nav form { flex: 0 0 auto; }
  header nav form button { font-size: 11px !important; padding: 4px 8px !important; white-space: nowrap; }

  main { padding: 12px !important; max-width: 100% !important; }
  h2 { font-size: 16px !important; }

  /* Cards trim padding to give content room */
  .card,
  .chart-card,
  .feed-card,
  .site-card,
  .inv-card,
  .stat,
  details.feed-card {
    border-radius: 10px !important;
  }
  .card, .chart-card { padding: 12px !important; }
  /* Allow horizontal-scroll for wide tables sitting inside cards */
  .card, .chart-card { overflow-x: auto; }

  /* Inputs: 16px so iOS Safari doesn't auto-zoom on focus */
  input:not([type="checkbox"]):not([type="radio"]),
  textarea, select {
    font-size: 16px !important;
  }
  /* But toggle buttons stay tight */
  .toggle-btn, button.toggle-btn {
    font-size: 11px !important;
    padding: 5px 10px !important;
  }
  /* And view tabs / form buttons keep their look */
  .view-tab { font-size: 13px !important; padding: 8px 14px !important; }

  /* Stat row 2-up on phone */
  .stat-row { grid-template-columns: repeat(2, 1fr) !important; gap: 8px !important; }
  .stat { padding: 10px 12px !important; }
  .stat-value { font-size: 18px !important; }

  /* Section headers stack so controls don't squish */
  .section-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
  }
  .controls { flex-wrap: wrap !important; gap: 6px !important; }

  /* Chart heights — give phones a bit less to scroll past */
  .chart-wrap { height: 240px !important; }

  /* Admin add-rows: stack form fields */
  .add-row, .add-row.sites { grid-template-columns: 1fr !important; }

  /* Tables get smaller text, more padding-efficient cells */
  table { font-size: 12px; }
  th, td { padding: 7px 8px !important; }

  /* Two-col layouts collapse */
  .two-col { grid-template-columns: 1fr !important; }

  /* Inventory grid: a bit narrower minimum */
  .inv-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)) !important; gap: 8px !important; }

  /* Reconcile site cards: 2 per row */
  .site-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* Login card centered */
  .card[style*="max-width: 360px"] { padding: 1.25rem !important; }

  /* Toast positioned bottom-center, not bottom-right (easier to see) */
  .toast {
    left: 50% !important; right: auto !important;
    transform: translateX(-50%);
    bottom: calc(20px + env(safe-area-inset-bottom)) !important;
    border-radius: 999px !important;
  }

  /* Buttons in dense forms easier to tap */
  button { min-height: 32px; }
  .send-row button { min-height: 44px; }
}

/* Phones in landscape / tablets in portrait */
@media (max-width: 480px) {
  header nav a:not(.current) {
    /* Trim long nav on the tiniest screens — current page stays visible */
  }
  .stat-value { font-size: 16px !important; }
  .inv-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .site-grid { grid-template-columns: 1fr !important; }
  .chart-wrap { height: 220px !important; }
}