/* ═══════════════════════════════════════════════════
   mobile.css — compareproteinprices.com  v3
   <link rel="stylesheet" href="mobile.css"> goes
   inside <head> after your existing styles.
═══════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════
   1. HAMBURGER BUTTON
   Shown on mobile, hidden on desktop via media query
═══════════════════════════════════════════════════ */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    /* z-index not needed — hamburger is in normal flow */
}
.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #e8eaf6;     /* explicit hex — never inherits transparency */
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════
   2. MOBILE DRAWER
   Must be a DIRECT CHILD of <body> in the HTML.
   This avoids iOS Safari stacking-context bugs where
   position:fixed inside a z-index parent goes
   transparent.
═══════════════════════════════════════════════════ */
.mobile-drawer {
    /* Slide off to the right when closed */
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    height: 100dvh;

    /* Solid, opaque background — explicit hex, NOT a CSS variable */
    background-color: #0d1128;

    border-left: 2px solid #00ff88;
    box-shadow: -8px 0 48px rgba(0, 0, 0, 0.95);

    /* Use transform to slide in/out — avoids overflow-x clipping on body */
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);

    z-index: 9999;          /* highest in document */
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    padding: 72px 0 32px;
}
.mobile-drawer.open {
    transform: translateX(0);
}

/* Drawer nav links */
.mobile-drawer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}
.mobile-drawer-links li {
    border-bottom: 1px solid rgba(40, 53, 147, 0.4);
}
.mobile-drawer-links a {
    display: flex;
    align-items: center;
    padding: 16px 28px;
    min-height: 54px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.97rem;
    font-weight: 600;
    color: #9fa8da;
    text-decoration: none;
    transition: color 0.2s, background 0.2s;
}
.mobile-drawer-links a:hover,
.mobile-drawer-links a.active {
    color: #00ff88;
    background: rgba(0, 255, 136, 0.05);
}

/* CTA button at bottom of drawer */
.mobile-drawer-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 24px 0;
    padding: 13px 20px;
    background: linear-gradient(135deg, #00ff88, #00ccff);
    color: #0a0e27 !important;
    -webkit-text-fill-color: #0a0e27 !important;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    text-align: center;
}

/* ═══════════════════════════════════════════════════
   3. OVERLAY (also direct child of <body>)
═══════════════════════════════════════════════════ */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.78);
    z-index: 9998;           /* just below drawer */
    cursor: pointer;
}
.nav-overlay.open { display: block; }


/* ═══════════════════════════════════════════════════
   MAIN MOBILE BREAKPOINT — 768px and below
═══════════════════════════════════════════════════ */
@media (max-width: 768px) {

    /* Show hamburger */
    .hamburger { display: flex; }

    /* Desktop nav-links: hide on mobile
       (the mobile-drawer replaces them) */
    .site-nav .nav-links { display: none; }

    /* Tighten nav bar */
    .site-nav {
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
        padding: 16px 0;
    }
    .nav-logo { font-size: 0.88rem; }

    /* ── HERO ── */
    .hero-section { padding: 40px 0 32px; }
    .hero-sub { font-size: 1rem; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; padding: 0 2px; }
    .hero-actions .btn { text-align: center; padding: 14px 20px; }

    /* ── CONTAINER ── */
    .container { padding: 0 16px; }

    /* ── TRUST BAR ── */
    .trust-bar { padding: 12px 16px; margin-bottom: 44px; }
    .trust-item { font-size: 0.74rem; padding: 3px 6px; }

    /* ── SECTION SPACING ── */
    .how-section, .picks-section, .blog-section, .faq-section { margin-bottom: 52px; }
    .compare-section { padding: 44px 0 0; }

    /* ── SUBSCRIBE BAR ── */
    .subscribe-bar { flex-direction: column; align-items: stretch; gap: 12px; padding: 16px; }
    .subscribe-bar-text strong { font-size: 0.88rem; }
    .subscribe-form { flex-direction: column; width: 100%; gap: 8px; }
    .subscribe-form input[type="email"] { width: 100%; }
    .subscribe-btn { width: 100%; padding: 12px 20px; font-size: 0.9rem; }

    /* ── FILTERS ── */
    .filters-section { padding: 16px; }
    .filters-grid { grid-template-columns: 1fr 1fr; gap: 12px; }

    /* Multiselect panels: fixed so they never clip off screen */
    #brand-ms-panel,
    .multiselect-panel {
        position: fixed;
        left: 16px; right: 16px;
        top: auto;
        min-width: unset;
        width: auto;
        max-height: 50dvh;
        z-index: 1000;
        border-radius: 12px;
    }

    /* ── SEARCH + BUTTON ROW ── */
    .search-sort-row { grid-template-columns: 1fr; gap: 10px; }
    .price-drop-filter-btn,
    button.reset-btn { flex: 1; justify-content: center; min-height: 44px; }

    /* ── TABLE ── */
    .table-container { border-radius: 8px; overflow-x: auto; -webkit-overflow-scrolling: touch; }

    /*
      VISIBLE COLUMNS on mobile (6 of 11):
        1 Price/g   2 Price   3 Net Weight   5 Product Name   10 Certified   11 Buy
      HIDDEN:
        4 Brand   6 Flavor   7 Servings   8 Protein/Serve   9 Protein%
      (Brand and Flavor are now in the filter panel above)
    */
    #products-table th:nth-child(4),
    #products-table td:nth-child(4),
    #products-table th:nth-child(6),
    #products-table td:nth-child(6),
    #products-table th:nth-child(7),
    #products-table td:nth-child(7),
    #products-table th:nth-child(8),
    #products-table td:nth-child(8),
    #products-table th:nth-child(9),
    #products-table td:nth-child(9) { display: none; }

    th, td { padding: 9px 7px; }
    table { font-size: 0.8rem; }
    .price-cell { font-size: 0.85rem; }
    .price-badge { font-size: 0.58rem; padding: 2px 4px; }

    /* Certified col — icon-only using font-size trick */
    #products-table th:nth-child(10) {
        font-size: 0.6rem;
        letter-spacing: 0;
        padding: 9px 5px;
        min-width: 34px;
    }
    #products-table td:nth-child(10) .trustified {
        font-size: 0;
        padding: 4px 6px;
        min-width: 28px;
        justify-content: center;
        gap: 0;
    }
    #products-table td:nth-child(10) .trustified.verified::after {
        content: '✓';
        font-size: 0.82rem;
        color: #00ff88;
    }
    #products-table td:nth-child(10) .trustified.unverified::after {
        content: '—';
        font-size: 0.82rem;
        color: #5c6bc0;
    }

    .buy-button { display: inline-flex; align-items: center; min-height: 40px; padding: 0 10px; font-size: 0.76rem; }

    /* ── PICK CARDS ── */
    .pick-card { padding: 20px; }
    .pick-price { font-size: 1.35rem; }

    /* ── FAQ ── */
    .faq-q { padding: 15px 18px; font-size: 0.9rem; }
    .faq-a { padding: 0 18px; }
    .faq-item.open .faq-a { padding: 0 18px 14px; }

    /* ── STATS BAR ── */
    .stats-bar { font-size: 0.82rem; }

    /* ── FOOTER ── */
    .site-footer { padding: 24px 0; }
    .footer-links { gap: 14px; }
    .footer-links a { font-size: 0.8rem; }

    /* ════ OVERPAYING CALCULATOR PAGE ════ */
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .savings-banner { flex-direction: column; gap: 12px; }
    .savings-stats { gap: 14px; }
    .best-vfm { flex-direction: column; text-align: center; }

    /* ════ BLOG PAGE ════ */
    .newsletter { padding: 28px 18px !important; }
    .newsletter-form { flex-direction: column; align-items: stretch; }
    .newsletter-form input { width: 100% !important; }
    .newsletter-form .btn { width: 100%; text-align: center; }
    .article-featured { grid-template-columns: 1fr !important; }
    .article-featured .feat-body { padding: 24px; }
    .article-featured .feat-hero { min-height: 140px !important; }
    .filter-btn { padding: 9px 16px; min-height: 40px; }

    /* ════ ARTICLE PAGE ════ */
    .article-nav { grid-template-columns: 1fr; gap: 10px; }
    .article-nav .next { text-align: left; }
    .author-block { flex-direction: column; align-items: flex-start; gap: 12px; }
    .article-share { flex-wrap: wrap; gap: 8px; }
}

/* ═══════════════════════════════════════════════════
   SMALL MOBILE — 420px and below
═══════════════════════════════════════════════════ */
@media (max-width: 420px) {
    .filters-grid { grid-template-columns: 1fr; }
    .nav-logo { font-size: 0.8rem; }

    /* Also hide Net Weight on very small screens to keep table readable */
    #products-table th:nth-child(3),
    #products-table td:nth-child(3) { display: none; }

    /* Product name — wrap so it doesn't overflow */
    #products-table td:nth-child(5) {
        max-width: 130px;
        white-space: normal;
        line-height: 1.3;
        font-size: 0.76rem;
    }
}


/* ═══════════════════════════════════════════════════
   PROTEIN INDEX PAGE — mobile overrides
   Supplements the inline responsive CSS already in
   protein-index.html (700px + 480px breakpoints).
   Targets elements not covered by those rules.
═══════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* ── Page header ─────────────────────────────── */
  .page-header { padding: 28px 0 24px; }
  .label-chip  { font-size: 0.65rem; padding: 4px 12px; }

  /* ── Controls bar range buttons: full-width row ─ */
  .ctrl-group { width: 100%; }
  .range-btns { width: 100%; }
  .range-btn  { flex: 1; text-align: center; }
  select.ctrl-select { width: 100%; min-width: 0 !important; }

  /* ── Product search ──────────────────────────── */
  .product-select-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .product-select-bar .ctrl-label { padding-top: 0 !important; }
  .prod-search-wrap { max-width: 100%; width: 100%; }

  /* Results dropdown: fixed so it never clips off-screen */
  .prod-results-list {
    position: fixed !important;
    left: 16px !important;
    right: 16px !important;
    top: auto !important;
    width: auto !important;
    max-height: 45dvh;
    z-index: 500;
  }

  /* ── Product chart card header: stack title + Amazon btn ── */
  .chart-card-hdr { flex-direction: column; align-items: flex-start; gap: 12px; }
  #prod-aff-btn-wrap { width: 100%; }
  #prod-aff-btn { width: 100%; justify-content: center; box-sizing: border-box; }

  /* ── Gainers / Losers mover rows ─────────────── */
  .mover-name   { white-space: normal; overflow: visible; font-size: 0.78rem; line-height: 1.35; }
  .mover-row    { align-items: flex-start; }
  .mover-change { font-size: 0.82rem; }
  .mover-px     { font-size: 0.65rem; }

  /* ── Section headings ────────────────────────── */
  .section-head    { flex-direction: column; gap: 4px; }
  .section-head h2 { font-size: 0.95rem; }

  /* ── Constituents table ──────────────────────── */
  .table-scroll         { -webkit-overflow-scrolling: touch; }
  .idx-table            { font-size: 0.76rem; }
  .idx-table th,
  .idx-table td         { padding: 10px; }

  /* ── Brand toggle row: range buttons always first ── */
  #brand-range-btns     { order: -1; margin-left: 0; flex-shrink: 0; }
  #brand-all-btn        { order: 0; }
  #brand-none-btn       { order: 1; }
  .brand-pill           { font-size: 0.68rem; padding: 4px 10px; }
  .brand-ctrl-btn       { font-size: 0.68rem; padding: 4px 10px; }
  #brand-chart-wrap     { height: 280px !important; }
  /* Brand legend: hide live values (too cramped), keep dots + names */
  .brand-legend         { gap: 8px 14px; font-size: 0.68rem; }
  .brand-legend-val     { display: none; }

  /* ── KPI cards ───────────────────────────────── */
  #kpi-hilow > div { flex-wrap: wrap; gap: 4px; }
  .kpi-sub         { font-size: 0.65rem; }
  .ad-row          { gap: 6px; }
  .ad-pill         { font-size: 0.75rem; padding: 3px 8px; }

  /* ── Methodology box ─────────────────────────── */
  .meth-box      { padding: 18px 16px; }
  .meth-box p    { font-size: 0.78rem; }
  .meth-box code { font-size: 0.72rem; }
}

@media (max-width: 420px) {
  /* Further reduce brand pills on very small screens */
  .brand-pill, .brand-ctrl-btn { font-size: 0.6rem; padding: 4px 8px; }
  /* Tighter table */
  .idx-table th, .idx-table td { padding: 8px; }
  /* Period trio rows */
  .trio-row { font-size: 0.75rem; }
  /* Footer: stack on tiny screens */
  .site-footer { flex-direction: column; text-align: center; gap: 8px; }
}


/* NOTE: constituent table mobile rules are inside protein-index.html <style>
   block to guarantee cascade order (they must come after .idx-table { min-width:720px }).
   mobile.css loads before the inline <style>, so any table rules here are overridden. */
