/* ===========================================================
   Shared mobile responsive overrides for Classic, Blueprint,
   and Reading Room library variants.
   =========================================================== */

html, body { overflow-x: hidden; max-width: 100vw; width: 100%; }
img, video, canvas, svg { max-width: 100%; height: auto; }
*, *::before, *::after { min-width: 0; }
@media (max-width: 900px){
  html, body { -webkit-text-size-adjust: 100%; }
  /* Cap any wide max-widths that bust the viewport */
  .masthead-inner, .bar-inner, .hero-inner, .section, .results-head, .res-head,
  .results-summary, .summary, .results-layout, .res-layout, .detail, .auth, .acct,
  .confirm, .lib, .foot-inner, .acct-head, .lib-head, .kpis, .lib-grid {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box;
  }
}

/* ---------- Tablet (≤1100px) ---------- */
@media (max-width: 1100px){
  .masthead-inner, .bar-inner, .hero-inner, .section, .res-head, .summary, .results-head,
  .results-summary, .results-layout, .res-layout, .detail, .auth, .acct, .confirm, .lib,
  .foot-inner, .acct-head, .lib-head {
    max-width: 100% !important;
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
  .results-layout, .res-layout { grid-template-columns: 220px 1fr !important; gap: 28px !important; }
  .detail { grid-template-columns: 240px 1fr !important; gap: 32px !important; }
  .shelf { grid-template-columns: repeat(4, 1fr) !important; gap: 22px 16px !important; }
  .categories, .cat-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .kpis { grid-template-columns: repeat(2, 1fr) !important; }
  .lib-grid { grid-template-columns: 1fr !important; gap: 24px !important; }
  .foot-inner { grid-template-columns: repeat(2, 1fr) !important; gap: 28px !important; }
  .hero h1 { font-size: 52px !important; }
  .hero-stats { grid-template-columns: repeat(4, 1fr) !important; }
}

/* ---------- Mobile (≤900px — covers tablets in portrait & all phones) ---------- */
@media (max-width: 900px){
  body { font-size: 15px !important; }

  /* ----- Header / nav ----- */
  .nav, .bar .nav { display: none !important; }
  .masthead-inner, .bar-inner {
    flex-wrap: wrap !important;
    gap: 10px !important;
    padding: 12px 14px !important;
    align-items: center !important;
  }
  .crest, .brand {
    font-size: 16px !important; gap: 10px !important;
    min-width: 0 !important; max-width: calc(100% - 110px);
    overflow: hidden;
  }
  .crest > div, .brand .t { min-width: 0; overflow: hidden; }
  .crest .society-line, .brand .t span {
    font-size: 9px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: block;
  }
  .crest .name-line, .brand .t b { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
  .crest .monogram, .brand .seal { width: 34px !important; height: 34px !important; font-size: 13px !important; }
  .user, .signin-cta, .bar .user { padding: 7px 10px !important; font-size: 10px !important; letter-spacing: 0.12em !important; }
  .user span:not(.d) { font-size: 10px; }

  /* hamburger toggle (injected by mobile.js) */
  .mobi-toggle {
    display: inline-flex !important; align-items: center; justify-content: center;
    width: 38px; height: 38px; margin-left: auto;
    background: transparent; border: 1px solid currentColor; cursor: pointer;
    color: inherit; border-radius: 2px; padding: 0;
  }
  .mobi-toggle svg { width: 18px; height: 18px; }
  .mobi-drawer {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 80%; max-width: 320px; z-index: 200;
    background: #1f3a2b; color: #f5ecd3;
    transform: translateX(100%); transition: transform .25s ease;
    padding: 70px 28px 28px; display: flex; flex-direction: column; gap: 4px;
    box-shadow: -20px 0 40px rgba(0,0,0,0.4); overflow-y: auto;
    font-family: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  }
  .mobi-drawer.open { transform: translateX(0); }
  .mobi-drawer a {
    padding: 14px 4px; border-bottom: 1px solid rgba(255,255,255,0.12);
    font-size: 19px; cursor: pointer; text-decoration: none; color: inherit;
  }
  .mobi-drawer a.active { color: #b89149; }
  .mobi-close {
    position: absolute; top: 18px; right: 18px;
    width: 36px; height: 36px; background: transparent; border: 1px solid currentColor;
    color: inherit; cursor: pointer; border-radius: 2px; font-size: 22px; line-height: 1;
  }
  .mobi-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 199;
    opacity: 0; pointer-events: none; transition: opacity .2s;
  }
  .mobi-overlay.open { opacity: 1; pointer-events: auto; }

  /* ----- Hero ----- */
  .hero { padding: 36px 14px 40px !important; position: relative !important; }
  .hero::before, .hero::after { display: none !important; }
  .hero-inner { padding: 0 !important; max-width: 100% !important; border: none !important; }
  .hero h1 { font-size: 38px !important; line-height: 1.05 !important; max-width: 100% !important; }
  .hero-sub { font-size: 16px !important; max-width: 100% !important; margin-bottom: 22px !important; }
  .hero-kicker { font-size: 10px !important; }

  /* Search box: stack input above button on phones for both flex & grid layouts */
  .searchbox {
    display: flex !important;
    flex-direction: column !important;
    grid-template-columns: 1fr !important;
    padding: 12px !important;
    gap: 8px !important;
    align-items: stretch !important;
  }
  .searchbox .lbl, .searchbox .pre { display: none !important; }
  .searchbox input {
    width: 100% !important;
    padding: 12px 14px !important;
    font-size: 16px !important;
    border: 1px solid rgba(0,0,0,0.15) !important;
    background: rgba(255,255,255,0.6) !important;
    border-radius: 2px;
  }
  .searchbox button {
    width: 100% !important;
    padding: 12px !important;
    font-size: 11px !important;
    letter-spacing: 0.2em !important;
  }

  .hero-hints, .chips-row {
    margin-top: 14px !important;
    font-size: 10px !important;
    flex-wrap: wrap;
  }
  .hero-hints button, .chips-row button { font-size: 10px !important; padding: 5px 9px !important; }

  /* Hero stats — stack to 2x2 or list */
  .hero-stats {
    position: static !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 12px !important;
    margin-top: 24px !important;
    padding: 14px 14px 0 !important;
    border-top: 1px solid rgba(255,255,255,0.2) !important;
    width: auto !important;
  }
  .hero-stats div { padding: 6px 0 !important; font-size: 10px !important; }
  .hero-stats b { font-size: 22px !important; display: block; margin-bottom: 4px; }

  /* ----- Sections ----- */
  .section { padding: 36px 14px !important; }
  .sec-head h2, .sec-title h2 { font-size: 26px !important; }
  .sec-head .sub, .sec-sub { font-size: 15px !important; }

  /* ----- Categories: stack vertically (Classic .categories, Blueprint/RR .cat-grid, RR .cats) ----- */
  .categories, .cat-grid, .cats {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 0 !important;
    border-left: none !important;
  }
  .cat-tile, .cat {
    border-right: none !important;
    border-bottom: 1px solid rgba(0,0,0,0.15) !important;
    padding: 18px 16px !important;
    text-align: left !important;
  }
  .cat-tile:last-child, .cat:last-child { border-bottom: none !important; }
  .cat-tile .name { font-size: 22px !important; margin-bottom: 4px !important; }
  .cat-tile .num, .cat-tile .n { font-size: 10px !important; margin-bottom: 8px !important; }
  .cat-tile .count, .cat-tile .c { font-size: 11px !important; }

  /* ----- Shelves ----- */
  .shelf { grid-template-columns: repeat(2, 1fr) !important; gap: 16px 12px !important; }
  .bookplate, .plate { padding: 12px 10px !important; }
  .bp-title, .plate .t { font-size: 13px !important; -webkit-line-clamp: 3 !important; line-height: 1.2 !important; }
  .bp-author, .plate .a { font-size: 11px !important; }
  .bp-region, .bp-meta, .plate .r, .plate .num, .plate .f, .plate .foot { font-size: 8.5px !important; }

  /* ----- Search results ----- */
  .results-head, .res-head { padding: 16px 14px 0 !important; flex-wrap: wrap !important; }
  .results-summary, .summary {
    padding: 12px 14px 0 !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
  }
  .results-layout, .res-layout {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
    padding: 16px 14px 50px !important;
  }
  .facets {
    order: 2;
    background: rgba(0,0,0,0.04);
    padding: 14px;
    border-radius: 4px;
  }
  .facets .group, .facets .g { margin-bottom: 14px !important; }
  .facets h3 { padding-bottom: 4px !important; margin-bottom: 6px !important; }

  /* result rows */
  .results-list { gap: 12px !important; }
  .row, .card.result, .result-row, .results-list > * {
    grid-template-columns: 1fr !important;
    flex-direction: column !important;
    gap: 10px !important;
    padding: 14px !important;
  }
  .row .right, .card .right {
    border-left: 0 !important;
    padding-left: 0 !important;
    text-align: left !important;
    min-width: 0 !important;
    border-top: 1px solid rgba(0,0,0,0.1);
    padding-top: 10px !important;
  }
  .row h3, .result-row h3, .card h3 { font-size: 18px !important; }

  /* ----- Detail ----- */
  .detail {
    grid-template-columns: 1fr !important;
    gap: 22px !important;
    padding: 24px 14px 50px !important;
  }
  .detail .big, .bookplate.big {
    max-width: 220px !important;
    margin: 0 auto !important;
  }
  .detail h1 { font-size: 28px !important; }
  .detail .by { font-size: 16px !important; }
  .availcard, .avail {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    padding: 14px !important;
  }
  .btn-row { flex-wrap: wrap !important; }
  .btn-row .btn { flex: 1 1 140px; }
  .blurb::first-letter { font-size: 42px !important; }

  /* ----- Auth ----- */
  .auth {
    grid-template-columns: 1fr !important;
    gap: 22px !important;
    padding: 28px 14px 50px !important;
  }
  .auth h1 { font-size: 28px !important; }
  .auth .lede { font-size: 15px !important; }
  .auth-card { padding: 22px 18px !important; }

  /* ----- Account ----- */
  .acct { padding: 22px 14px 50px !important; }
  .acct-head {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 6px !important;
    padding-bottom: 10px !important;
  }
  .acct-head h1 { font-size: 26px !important; }
  .tabs {
    gap: 12px !important;
    overflow-x: auto !important;
    flex-wrap: nowrap !important;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }
  .tabs button { white-space: nowrap !important; font-size: 13px !important; padding: 8px 4px !important; }

  /* Ledger tables → cards */
  .ledger thead { display: none !important; }
  .ledger, .ledger tbody, .ledger tr, .ledger td { display: block !important; width: 100% !important; }
  .ledger tr {
    border: 1px solid rgba(0,0,0,0.12) !important;
    border-radius: 4px;
    margin-bottom: 12px;
    padding: 12px 14px;
    background: rgba(255,255,255,0.4);
  }
  .ledger td { padding: 4px 0 !important; border: none !important; }
  .ledger td.actions { text-align: left !important; padding-top: 8px !important; }
  .ledger td.actions .btn { margin: 0 6px 4px 0 !important; padding: 6px 10px !important; font-size: 10px !important; }

  /* ----- Confirm ----- */
  .confirm { padding: 32px 14px 50px !important; }
  .confirm h1 { font-size: 26px !important; }
  .confirm .lede, .confirm p { font-size: 15px !important; }
  .confirm .stamp { width: 140px !important; height: 140px !important; font-size: 18px !important; }
  .confirm .ticket, .confirm .slip {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
    padding: 16px !important;
  }

  /* ----- Librarian ----- */
  .lib { padding: 18px 14px 50px !important; }
  .lib-head { flex-direction: column !important; align-items: flex-start !important; gap: 6px !important; }
  .lib-head h1 { font-size: 24px !important; }
  .kpis { grid-template-columns: 1fr 1fr !important; gap: 10px !important; }
  .kpi { padding: 12px 14px !important; }
  .kpi .n { font-size: 28px !important; }
  .scan { flex-wrap: wrap !important; gap: 8px !important; padding: 12px !important; }
  .scan input { width: 100% !important; flex: 1 1 100% !important; }
  .lt thead { display: none !important; }
  .lt, .lt tbody, .lt tr, .lt td { display: block !important; width: 100% !important; }
  .lt tr { border-bottom: 1px solid rgba(0,0,0,0.12) !important; padding: 10px 14px !important; }
  .lt td { padding: 3px 0 !important; border: none !important; }

  /* ----- Footer ----- */
  .foot { padding: 28px 14px !important; }
  .foot-inner { grid-template-columns: 1fr 1fr !important; gap: 22px !important; font-size: 11px !important; }

  /* ----- Tweaks panel ----- */
  .tweaks {
    right: 10px !important; left: 10px !important; bottom: 10px !important;
    min-width: 0 !important; padding: 10px 12px !important;
  }
  .tweaks h4 { font-size: 9px !important; margin-bottom: 8px !important; }
  .tweaks .swatches { flex-wrap: wrap !important; gap: 6px !important; }
  .tweaks .sw { padding: 6px 8px !important; font-size: 9px !important; }
}

/* ---------- Phones ≤480px ---------- */
@media (max-width: 480px){
  .crest, .brand { max-width: calc(100% - 100px); }
  .hero h1 { font-size: 30px !important; }
  .hero-stats { grid-template-columns: 1fr 1fr !important; }
  .foot-inner { grid-template-columns: 1fr !important; }
  .kpis { grid-template-columns: 1fr 1fr !important; }
  .shelf { grid-template-columns: 1fr 1fr !important; gap: 12px 10px !important; }
}

/* ---------- Tiny phones ≤360px ---------- */
@media (max-width: 360px){
  .shelf { grid-template-columns: 1fr !important; gap: 14px !important; }
  .hero h1 { font-size: 26px !important; }
  .crest .society-line, .brand .t span { display: none !important; }
}