:root {
  --ink: #1a1a18;
  --paper: #faf8f3;
  --cream: #f2ede3;
  --gold: #9BA339;
  --gold-light: #d4dc8a;
  --rust: #c44b2a;
  --forest: #2d5a3d;
  --muted: #7a7468;
  --border: #ddd8cc;
  --white: #ffffff;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'DM Sans',sans-serif; background:var(--paper); color:var(--ink); font-size:15px; line-height:1.6; }

/* ── STORE NAVBAR ── */
.store-nav {
  background:var(--white);
  border-bottom:1px solid var(--border);
  position:sticky; top:0; z-index:100;
}
.store-nav-inner {
  max-width:1280px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 40px; height:68px; gap:20px;
}
.store-nav-burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--ink);
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.store-nav-burger:hover { background: var(--cream); }
.store-nav-burger i { font-size: 22px; line-height: 1; }
.store-logo {
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:6px;
  cursor:pointer;
  flex-shrink:0;
}
.brand-logo-img {
  display:block;
  width:auto;
  max-width:100%;
  height:auto;
}
.brand-logo-img--store { height:22px; }
.store-logo > span {
  width:auto;
  height:auto;
  background:none;
  border-radius:0;
  font-style:normal;
  line-height:1.2;
  text-align:left;
  font-size:10px;
  color:var(--muted);
  font-family:'DM Sans',sans-serif;
  font-weight:400;
}
.store-logo sub { font-size:11px; color:var(--muted); font-family:'DM Sans',sans-serif; font-weight:400; margin-left:4px; }
.store-search {
  flex:1; max-width:440px;
  display:flex; align-items:center; gap:0;
  background:var(--paper); border:1px solid var(--border);
  border-radius:24px; overflow:hidden;
  padding:0 16px;
}
.store-search input {
  flex:1; padding:10px 0; background:none;
  border:none; font-family:'DM Sans',sans-serif; font-size:14px;
  color:var(--ink); outline:none;
}
.store-search button {
  background:none; border:none; cursor:pointer;
  font-size:16px; color:var(--muted); padding:4px;
}
.store-nav-actions { display:flex; align-items:center; gap:8px; }
.nav-icon-btn {
  width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:none; border:1px solid var(--border);
  cursor:pointer; font-size:16px; position:relative;
  transition:background .15s;
}
.nav-icon-btn:hover { background:var(--cream); }
.cart-badge {
  position:absolute; top:-4px; right:-4px;
  width:18px; height:18px; background:var(--rust);
  color:#fff; border-radius:50%; font-size:10px;
  font-weight:700; display:flex; align-items:center; justify-content:center;
}
.btn-nav-primary {
  background:var(--ink); color:#fff; border:none;
  padding:9px 20px; border-radius:20px;
  font-family:'DM Sans',sans-serif; font-size:13px; font-weight:500;
  cursor:pointer; white-space:nowrap;
  transition:background .2s;
}
.btn-nav-primary:hover { background:var(--gold); }

/* ── STORE CATEGORIES BAR ── */
.cats-bar {
  background:var(--ink);
  overflow-x:auto; -webkit-overflow-scrolling:touch;
}
.cats-inner {
  max-width:1280px; margin:0 auto;
  display:flex; gap:0; padding:0 40px;
}
.cat-link {
  font-size:13px; color:rgba(255,255,255,.65);
  padding:12px 16px; white-space:nowrap; cursor:pointer;
  border-bottom:2px solid transparent;
  transition:color .15s;
}
.cat-link:hover { color:#fff; }
.cat-link.active { color:var(--gold-light); border-bottom-color:var(--gold); }

/* ── HERO BANNER ── */
.hero-banner {
  background:var(--ink);
  padding:60px 40px;
  display:grid; grid-template-columns:1fr 1fr; gap:60px;
  align-items:center; max-width:100%;
}
.hero-text { max-width:480px; }
.hero-text h1 {
  font-family:'Playfair Display',serif;
  font-size:clamp(32px,4vw,52px); color:#fff; line-height:1.15; margin-bottom:16px;
}
.hero-text h1 em { color:var(--gold); font-style:italic; }
.hero-text p { color:rgba(255,255,255,.6); font-size:16px; margin-bottom:28px; }
.hero-books {
  display:flex; gap:16px; align-items:flex-end; justify-content:center;
}
.hero-book {
  border-radius:4px 12px 12px 4px;
  display:flex; flex-direction:column; align-items:center;
  justify-content:center; padding:16px 12px; color:#fff; text-align:center;
  box-shadow:6px 8px 20px rgba(0,0,0,.4);
}
.hero-book h4 { font-family:'Playfair Display',serif; font-size:13px; line-height:1.3; margin-bottom:4px; }
.hero-book span { font-size:10px; color:rgba(255,255,255,.5); }

/* ── LAYOUT ── */
.store-layout { max-width:1280px; margin:0 auto; padding:0 40px; }
.section-header {
  display:flex; justify-content:space-between; align-items:center;
  margin:40px 0 20px;
}
.section-header h2 { font-family:'Playfair Display',serif; font-size:26px; }
.section-header a { font-size:13px; color:var(--gold); text-decoration:none; cursor:pointer; }
.section-label-sm { font-size:11px; text-transform:uppercase; letter-spacing:.09em; color:var(--gold); font-weight:500; margin-bottom:6px; }

/* ── BOOK CARDS ── */
.books-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:20px; }
.book-card {
  background:var(--white); border:1px solid var(--border);
  border-radius:12px; overflow:hidden; cursor:pointer;
  transition:box-shadow .2s, transform .2s;
}
.book-card:hover { box-shadow:0 8px 24px rgba(0,0,0,.1); transform:translateY(-2px); }
.book-cover {
  height:200px; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  padding:20px 16px; position:relative; overflow:hidden;
}
.book-cover::after {
  content:''; position:absolute; left:0; top:0; bottom:0;
  width:6px; background:rgba(0,0,0,.3);
}
.book-cover h4 { font-family:'Playfair Display',serif; font-size:16px; color:#fff; text-align:center; line-height:1.3; margin-bottom:6px; z-index:1; }
.book-cover span { font-size:11px; color:rgba(255,255,255,.55); z-index:1; }
.bc-badge {
  position:absolute; top:10px; right:10px; z-index:2;
  background:var(--gold); color:#fff; font-size:9px;
  font-weight:700; padding:3px 8px; border-radius:20px;
}
.book-info { padding:14px 16px; }
.book-title { font-family:'Playfair Display',serif; font-size:15px; margin-bottom:2px; }
.book-author { font-size:12px; color:var(--muted); margin-bottom:8px; }
.book-formats { display:flex; gap:4px; margin-bottom:10px; }
.fmt-tag { font-size:10px; color:var(--muted); background:var(--cream); padding:2px 8px; border-radius:20px; border:1px solid var(--border); }
.book-footer { display:flex; align-items:center; justify-content:space-between; }
.book-price { font-family:'Playfair Display',serif; font-size:19px; color:var(--gold); font-weight:700; }
.btn-add {
  background:var(--ink); color:#fff; border:none;
  padding:7px 14px; border-radius:20px;
  font-family:'DM Sans',sans-serif; font-size:12px; cursor:pointer;
  transition:background .2s;
}
.btn-add:hover { background:var(--gold); }
.rating { font-size:11px; color:var(--muted); display:flex; align-items:center; gap:4px; }
.stars-small { color:var(--gold); font-size:12px; }

/* ── FILTERS SIDEBAR ── */
.store-with-filters { display:grid; grid-template-columns:220px 1fr; gap:32px; margin:32px 0; }
.filters-panel { position:sticky; top:120px; height:fit-content; }
.filter-section { margin-bottom:24px; }
.filter-title { font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:.07em; color:var(--muted); margin-bottom:10px; }
.filter-option { display:flex; align-items:center; gap:8px; font-size:13px; margin-bottom:6px; cursor:pointer; }
.filter-option input { accent-color:var(--gold); }
.price-range { display:flex; gap:8px; }
.price-range input { width:80px; padding:6px 10px; border:1px solid var(--border); border-radius:6px; font-size:12px; }
.active-filters { display:flex; gap:6px; flex-wrap:wrap; margin-bottom:16px; }
.active-tag { background:var(--ink); color:#fff; font-size:11px; padding:4px 10px; border-radius:20px; display:flex; align-items:center; gap:4px; }
.active-tag button { background:none; border:none; color:#fff; cursor:pointer; font-size:13px; line-height:1; }

/* ── SORT BAR ── */
.sort-bar { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; flex-wrap:wrap; gap:10px; }
.sort-bar span { font-size:13px; color:var(--muted); }
.sort-bar select { padding:7px 12px; border:1px solid var(--border); border-radius:6px; font-family:'DM Sans',sans-serif; font-size:13px; }

/* ── PRODUCT DETAIL VIEW ── */
.product-detail { display:grid; grid-template-columns:1fr 1fr; gap:60px; padding:48px 0; }
.product-cover-big {
  height:420px; border-radius:6px 16px 16px 6px;
  display:flex; align-items:center; justify-content:center;
  position:relative; box-shadow:12px 16px 40px rgba(0,0,0,.2);
}
.product-cover-big h2 { font-family:'Playfair Display',serif; font-size:28px; color:#fff; text-align:center; padding:24px; line-height:1.2; }
.product-right h1 { font-family:'Playfair Display',serif; font-size:32px; margin-bottom:6px; }
.product-right .author { font-size:15px; color:var(--muted); margin-bottom:12px; }
.product-right .rating { margin-bottom:16px; font-size:13px; }
.product-desc { font-size:14px; color:var(--muted); line-height:1.8; margin-bottom:24px; }
.format-selector { margin-bottom:20px; }
.format-selector h4 { font-size:13px; font-weight:500; margin-bottom:10px; }
.format-options { display:flex; gap:8px; flex-wrap:wrap; }
.fmt-option {
  padding:10px 18px; border:1.5px solid var(--border);
  border-radius:8px; cursor:pointer; transition:all .15s;
  text-align:center; min-width:100px;
}
.fmt-option:hover, .fmt-option.selected { border-color:var(--gold); background:#fffbf0; }
.fmt-option h5 { font-size:13px; font-weight:500; margin-bottom:2px; }
.fmt-option span { font-size:12px; color:var(--muted); }
.product-price-row { display:flex; align-items:center; gap:16px; margin-bottom:20px; }
.big-price { font-family:'Playfair Display',serif; font-size:36px; color:var(--gold); }
.btn-buy-big {
  width:100%; background:var(--ink); color:#fff; border:none;
  padding:16px; border-radius:10px; font-family:'DM Sans',sans-serif;
  font-size:16px; font-weight:500; cursor:pointer; transition:background .2s;
  margin-bottom:10px;
}
.btn-buy-big:hover { background:var(--gold); }
.btn-wishlist {
  width:100%; background:transparent; color:var(--ink); border:1.5px solid var(--border);
  padding:13px; border-radius:10px; font-family:'DM Sans',sans-serif;
  font-size:14px; cursor:pointer; transition:all .2s;
}
.btn-wishlist:hover { border-color:var(--ink); }
.product-meta-list { margin-top:20px; border-top:1px solid var(--border); padding-top:16px; }
.meta-item { display:flex; justify-content:space-between; font-size:13px; padding:6px 0; border-bottom:1px solid var(--border); }
.meta-item:last-child { border-bottom:none; }
.meta-item span:first-child { color:var(--muted); }

/* ── CART DRAWER ── */
.cart-drawer {
  position:fixed; top:0; right:-420px; bottom:0;
  width:420px; background:var(--white); z-index:500;
  box-shadow:-4px 0 24px rgba(0,0,0,.12);
  transition:right .3s ease; display:flex; flex-direction:column;
}
.cart-drawer.open { right:0; }
.cart-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.4);
  z-index:499; display:none;
}
.cart-overlay.open { display:block; }
.cart-header { padding:20px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; }
.cart-header h3 { font-family:'Playfair Display',serif; font-size:20px; }
.cart-close { background:none; border:none; font-size:22px; cursor:pointer; color:var(--muted); }
.cart-items { flex:1; overflow-y:auto; padding:16px 24px; }
.cart-item { display:flex; gap:14px; padding:14px 0; border-bottom:1px solid var(--border); }
.cart-item-cover { width:52px; height:70px; border-radius:3px 8px 8px 3px; flex-shrink:0; display:flex; align-items:center; justify-content:center; font-size:10px; color:#fff; text-align:center; padding:4px; writing-mode:vertical-rl; text-orientation:mixed; font-family:'Playfair Display',serif; }
.cart-item-info { flex:1; }
.cart-item-info h4 { font-size:14px; font-weight:500; margin-bottom:2px; }
.cart-item-info p { font-size:12px; color:var(--muted); }
.cart-item-price { font-family:'Playfair Display',serif; font-size:16px; color:var(--gold); margin-top:4px; }
.cart-qty { display:flex; align-items:center; gap:8px; margin-top:8px; }
.qty-btn { width:24px; height:24px; border-radius:50%; border:1px solid var(--border); background:none; cursor:pointer; font-size:14px; display:flex; align-items:center; justify-content:center; }
.qty-num { font-size:13px; font-weight:500; min-width:16px; text-align:center; }
.cart-remove { font-size:12px; color:var(--muted); cursor:pointer; text-decoration:underline; }
.cart-footer { padding:16px 24px; border-top:1px solid var(--border); }
.cart-subtotal { display:flex; justify-content:space-between; font-size:14px; margin-bottom:6px; }
.cart-total { display:flex; justify-content:space-between; font-size:18px; font-weight:600; margin-bottom:16px; }
.cart-total span:last-child { font-family:'Playfair Display',serif; color:var(--gold); }
.btn-checkout { width:100%; background:var(--ink); color:#fff; border:none; padding:15px; border-radius:10px; font-family:'DM Sans',sans-serif; font-size:15px; font-weight:500; cursor:pointer; }
.btn-checkout:hover { background:var(--gold); }
.empty-cart { text-align:center; padding:48px 20px; }
.empty-cart-icon { font-size:48px; margin-bottom:12px; opacity:.3; }

/* ── CHECKOUT ── */
.checkout-layout { display:grid; grid-template-columns:1fr 380px; gap:40px; padding:40px 0; }
.checkout-steps { display:flex; gap:0; margin-bottom:32px; }
.checkout-step { flex:1; text-align:center; padding:12px; border-bottom:2px solid var(--border); font-size:13px; color:var(--muted); }
.checkout-step.active { border-bottom-color:var(--gold); color:var(--gold); font-weight:500; }
.checkout-step.done { border-bottom-color:var(--forest); color:var(--forest); }
.checkout-section { background:var(--white); border:1px solid var(--border); border-radius:12px; padding:24px; margin-bottom:16px; }
.checkout-section h3 { font-family:'Playfair Display',serif; font-size:18px; margin-bottom:16px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-group { margin-bottom:14px; }
.form-group label { display:block; font-size:12px; font-weight:500; margin-bottom:5px; }
.form-group input, .form-group select { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:6px; font-family:'DM Sans',sans-serif; font-size:14px; outline:none; background:var(--paper); }
.form-group input:focus, .form-group select:focus { border-color:var(--gold); }
.payment-methods { display:flex; flex-direction:column; gap:10px; margin-bottom:16px; }
.pm-option { display:flex; align-items:center; gap:12px; padding:14px 16px; border:1.5px solid var(--border); border-radius:8px; cursor:pointer; }
.pm-option.selected { border-color:var(--gold); background:#fffbf0; }
.pm-option input { accent-color:var(--gold); }
.pm-option span { font-size:13px; }
.order-summary-box { background:var(--white); border:1px solid var(--border); border-radius:12px; padding:24px; position:sticky; top:120px; }
.order-summary-box h3 { font-family:'Playfair Display',serif; font-size:18px; margin-bottom:16px; }
.summary-item { display:flex; justify-content:space-between; font-size:13px; padding:8px 0; border-bottom:1px solid var(--border); }
.summary-item:last-child { border-bottom:none; }
.summary-label { color:var(--muted); }
.summary-total { display:flex; justify-content:space-between; font-size:17px; font-weight:600; padding-top:12px; margin-top:4px; border-top:1.5px solid var(--ink); }
.summary-total span:last-child { font-family:'Playfair Display',serif; color:var(--gold); }
.security-note { font-size:11px; color:var(--muted); text-align:center; margin-top:14px; line-height:1.6; }
.coupon-row { display:flex; gap:8px; margin-bottom:14px; }
.coupon-row input { flex:1; padding:9px 12px; border:1px solid var(--border); border-radius:6px; font-size:13px; }
.coupon-row button { padding:9px 16px; border:1px solid var(--border); border-radius:6px; font-size:13px; cursor:pointer; background:var(--paper); white-space:nowrap; }

/* ── ORDER CONFIRM ── */
.confirm-screen { text-align:center; padding:60px 40px; }
.confirm-icon { width:80px; height:80px; border-radius:50%; background:#e8f5e9; border:3px solid var(--forest); display:flex; align-items:center; justify-content:center; font-size:36px; margin:0 auto 24px; }
.confirm-screen h2 { font-family:'Playfair Display',serif; font-size:30px; margin-bottom:8px; }
.confirm-screen p { color:var(--muted); font-size:15px; margin-bottom:28px; max-width:480px; margin-left:auto; margin-right:auto; }

/* ── REVIEWS ── */
.reviews-section { margin:40px 0; }
.review-card { background:var(--white); border:1px solid var(--border); border-radius:10px; padding:20px; margin-bottom:12px; }
.reviewer-row { display:flex; align-items:center; gap:12px; margin-bottom:10px; }
.reviewer-avatar { width:36px; height:36px; border-radius:50%; background:var(--gold); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:13px; }
.reviewer-name { font-size:14px; font-weight:500; }
.reviewer-date { font-size:11px; color:var(--muted); }
.stars { color:var(--gold); font-size:14px; }
.review-text { font-size:13px; color:var(--muted); line-height:1.7; }

/* ── AUTHOR BIO ── */
.author-section { background:var(--cream); border-radius:12px; padding:28px; display:flex; gap:20px; align-items:flex-start; margin:32px 0; }
.author-avatar { width:64px; height:64px; border-radius:50%; background:var(--gold); color:#fff; display:flex; align-items:center; justify-content:center; font-family:'Playfair Display',serif; font-size:24px; flex-shrink:0; }

/* ── MOBILE NAV STORE ── */
.store-mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  z-index: 200;
  min-height: 56px;
  padding-bottom: env(safe-area-inset-bottom);
}
.smn-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 10px;
  color: var(--muted);
  cursor: pointer;
  padding: 6px 0;
}
.smn-item.active { color: var(--gold); }
.smn-icon { font-size: 20px; }

/* ── Cajón menú tienda (hamburguesa) ── */
.store-nav-drawer-wrap {
  position: fixed;
  inset: 0;
  z-index: 10040;
  pointer-events: none;
  visibility: hidden;
}
.store-nav-drawer-wrap.is-open {
  pointer-events: auto;
  visibility: visible;
}
.store-nav-drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.store-nav-drawer-wrap.is-open .store-nav-drawer-overlay { opacity: 1; }
.store-nav-drawer-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(100%, 320px);
  max-width: 92vw;
  background: var(--white);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  transform: translateX(-100%);
  transition: transform 0.28s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.store-nav-drawer-wrap.is-open .store-nav-drawer-panel { transform: translateX(0); }
.store-nav-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 14px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.store-nav-drawer-title {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 600;
}
.store-nav-drawer-close {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--cream);
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.store-nav-drawer-body {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 10px 12px calc(16px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.store-nav-drawer-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.15s;
  width: 100%;
  border: none;
  background: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  text-align: left;
}
.store-nav-drawer-link i { font-size: 18px; color: var(--muted); }
.store-nav-drawer-link:hover { background: var(--cream); }
.store-nav-drawer-link--a { color: var(--muted); font-size: 13px; }
body.store-nav-drawer-open { overflow: hidden; }

/* ── TOAST ── */
.toast { position:fixed; bottom:80px; right:24px; background:var(--ink); color:#fff; padding:12px 20px; border-radius:8px; font-size:13px; z-index:600; opacity:0; transform:translateY(10px); transition:all .3s; pointer-events:none; }
.toast.show { opacity:1; transform:translateY(0); }

/* ── MOBILE ── */

/* ── CATEGORY PILLS ── */
.cat-pill {
  padding: 8px 16px;
  border: none;
  background: none;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
  margin-bottom: -1px;
}
.cat-pill:hover { color: var(--ink); }
.cat-pill.active { color: var(--gold); border-bottom-color: var(--gold); font-weight: 600; }

@media(max-width:768px) {
  /* Top nav — keep minimal on mobile */
  .store-nav-inner { padding:0 16px; gap:8px; }
  .store-nav-burger { display: inline-flex; }
  .store-search { display:none; }
  .store-nav-links { display:none; }
  .store-logo > span { display:none; }
  #nav-auth-btn { display:none !important; }
  #nav-profile-btn { display:none !important; }
  /* Hide category bar on mobile — bottom nav handles navigation */
  .store-cat-bar { display:none !important; }

  /* Hero */
  .hero-banner { grid-template-columns:1fr; padding:32px 20px; gap:24px; }
  .hero-books { justify-content:flex-start; flex-wrap:wrap; }
  .hero-book { width:90px !important; }
  .hero-text h1 { font-size:28px; }
  .hero-text p { font-size:14px; }

  /* Layout */
  .store-layout { padding:0 16px; }
  .store-layout[style], div[style*="padding:32px 40px"] { padding:20px 16px !important; }

  /* Books grid */
  .books-grid { grid-template-columns:repeat(2,1fr); gap:12px; }
  .book-cover { height:150px; }
  .book-cover h4 { font-size:13px; }
  .book-info { padding:10px 12px; }
  .book-price { font-size:16px; }

  /* Store with filters - hide sidebar */
  .store-with-filters { grid-template-columns:1fr; gap:16px; }
  .filters-panel { display:none; }

  /* Sort bar */
  .sort-bar { flex-direction:column; align-items:flex-start; gap:8px; }

  /* Product detail */
  .product-detail { grid-template-columns:1fr; gap:20px; }
  .product-cover-big { height:220px; border-radius:8px; }
  .product-right h1 { font-size:24px; }
  .format-options { flex-direction:column; }

  /* Cart drawer */
  .cart-drawer { width:100%; right:-100%; }

  /* Checkout */
  .checkout-layout { grid-template-columns:1fr; }
  .order-summary-box { position:static; }
  .form-row { grid-template-columns:1fr; gap:0; }
  .checkout-steps { overflow-x:auto; }
  .checkout-step { font-size:11px; padding:10px 8px; white-space:nowrap; }

  /* Perfil */
  [style*="grid-template-columns:240px 1fr"] { display:block !important; }
  [style*="grid-template-columns: 240px 1fr"] { display:block !important; }
  .perfil-layout { grid-template-columns:1fr !important; }
  /* Orden detalle */
  [style*="grid-template-columns:1fr 320px"] { display:block !important; }
  [style*="grid-template-columns: 1fr 320px"] { display:block !important; }

  /* Scanner */
  .scanner-hero { padding:32px 20px; }
  .scanner-hero h2 { font-size:22px; }
  .scan-input-row { flex-direction:column; }

  /* Confirm screen */
  .confirm-screen { padding:32px 16px; }
  .confirm-screen h2 { font-size:24px; }

  /* Wishlist empty */
  .empty-cart { padding:32px 16px; }

  /* Author section */
  .author-section { flex-direction:column; }

  /* Reviews */
  .reviewer-row { flex-wrap:wrap; }

  /* Mobile nav */
  .store-mobile-nav { display:grid; }
  .store-layout { padding-bottom:80px; }

  /* Banner promo */
  [style*="padding:32px 40px;margin:40px 0"] { padding:20px !important; flex-direction:column !important; }
}

  /* ─── PERFIL ─── */
  
  .action-btn { font-size:12px; padding:5px 12px; border-radius:4px; cursor:pointer; border:1px solid var(--border); background:transparent; font-family:'DM Sans',sans-serif; transition:all .2s; }
  .action-btn:hover { background:var(--ink); color:#fff; border-color:var(--ink); }
  .form-group { margin-bottom:14px; }
  .form-group label { display:block; font-size:12px; font-weight:500; margin-bottom:5px; }
  .form-group input, .form-group select { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:6px; font-family:'DM Sans',sans-serif; font-size:14px; outline:none; background:var(--paper); }
  .form-group input:focus { border-color:var(--gold); }

/* ── Store footer (responsive) ── */
.store-footer {
  padding: 52px 0 28px;
  box-sizing: border-box;
}
.store-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  box-sizing: border-box;
}
.store-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.store-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.store-footer__copyright {
  font-size: 12px;
  line-height: 1.55;
  flex: 1 1 240px;
  min-width: 0;
  overflow-wrap: anywhere;
  word-wrap: break-word;
}
.store-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  align-items: center;
}

@media (max-width: 1024px) {
  .store-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .store-footer {
    padding: 40px 0 24px;
  }
  .store-footer__inner {
    padding: 0 20px;
  }
  .store-footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 28px;
  }
  .store-footer__bottom {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  .store-footer__copyright {
    font-size: 11px;
  }
  .store-footer__legal {
    justify-content: flex-start;
  }
}

/* ── Navegación inferior sitio público (móvil, misma barra que index) ── */
.pub-mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--white);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.06);
}
.pub-mobile-nav__primary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
  gap: 0;
  padding: 6px 4px calc(8px + env(safe-area-inset-bottom, 0px));
}
.pub-mobile-nav__item {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  padding: 6px 4px;
  font-size: 9px;
  line-height: 1.15;
  letter-spacing: 0.01em;
  text-align: center;
  text-decoration: none;
  color: var(--muted);
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.pub-mobile-nav__item.active {
  color: var(--gold);
  background: var(--cream);
  font-weight: 600;
}
.pub-mobile-nav__icon {
  font-size: 20px;
  line-height: 1;
}
.pub-mobile-nav__item.active .pub-mobile-nav__icon {
  color: var(--gold);
}
.pub-mobile-nav__label {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .pub-mobile-nav { display: block; }
  body.has-pub-mobile-nav {
    padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px));
  }
}