/* ============================================================
   eTech — Catalog, Product Detail, Cart, Auth, Account, Compare
   ============================================================ */

/* ---------- Breadcrumb ---------- */
.sf-crumb { display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--ink-400); padding: 14px 0; }
.sf-crumb a { color: var(--ink-500); }
.sf-crumb a:hover { color: var(--brand); }
.sf-crumb i { font-size: 9px; opacity: 0.7; }
.sf-crumb .here { color: var(--ink-800); font-weight: 500; }

/* ---------- Page title ---------- */
.sf-page-title { display: flex; justify-content: space-between; align-items: end; margin-bottom: 20px; }
.sf-page-title h1 { font-size: 28px; font-weight: 700; color: var(--ink-900);
  letter-spacing: -0.02em; margin: 0; }
.sf-page-title small { display: block; font-size: 13px; color: var(--ink-500); font-weight: 400; margin-top: 4px; }

/* ---------- Catalog layout ---------- */
.sf-cat-layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }

/* Filters card */
.sf-filters { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  position: sticky; top: 16px; }
.sf-filter-head { padding: 16px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; }
.sf-filter-head h3 { font-size: 14px; font-weight: 600; color: var(--ink-900); margin: 0; letter-spacing: -0.005em; }
.sf-filter-head button { background: transparent; border: 0; color: var(--brand);
  font-size: 12px; font-weight: 500; cursor: pointer; }
.sf-filter-section { padding: 16px 18px; border-bottom: 1px solid var(--border); }
.sf-filter-section:last-child { border-bottom: 0; }
.sf-filter-section h4 { font-size: 12px; font-weight: 600; color: var(--ink-900);
  margin: 0 0 12px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.sf-filter-section h4 i { font-size: 10px; color: var(--ink-400); }
.sf-filter-list { display: flex; flex-direction: column; gap: 8px; }
.sf-check { display: flex; align-items: center; gap: 10px; cursor: pointer;
  font-size: 12.5px; color: var(--ink-700); padding: 2px 0; }
.sf-check input { appearance: none; width: 16px; height: 16px; border: 1.5px solid var(--border-strong);
  border-radius: 4px; background: #fff; display: grid; place-content: center; cursor: pointer;
  transition: all var(--t); flex-shrink: 0; }
.sf-check input:checked { background: var(--brand); border-color: var(--brand); }
.sf-check input:checked::after { content: '\2713'; font-size: 11px; color: #fff; font-weight: 700; }
.sf-check .count { margin-left: auto; font-size: 11px; color: var(--ink-400); }
.sf-check:hover { color: var(--brand); }

/* price slider */
.sf-range { padding: 6px 0 0; }
.sf-range-track { height: 4px; background: var(--ink-200); border-radius: 2px; position: relative; margin: 14px 0; }
.sf-range-fill { position: absolute; top: 0; bottom: 0; background: var(--brand); border-radius: 2px; }
.sf-range-handle { position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid var(--brand);
  box-shadow: var(--shadow-xs); cursor: grab; }
.sf-range-inputs { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: center; }
.sf-range-inputs input { width: 100%; padding: 8px 10px; border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); font-size: 12px; outline: 0; font-family: inherit; }
.sf-range-inputs input:focus { border-color: var(--brand); }
.sf-range-inputs span { color: var(--ink-400); }

/* color swatches */
.sf-swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.sf-swatch { width: 26px; height: 26px; border-radius: 50%; cursor: pointer;
  border: 2px solid #fff; box-shadow: 0 0 0 1px var(--border-strong); transition: all var(--t); }
.sf-swatch.on { box-shadow: 0 0 0 2px var(--brand); }
.sf-swatch:hover { transform: scale(1.08); }

/* Catalog toolbar */
.sf-cat-toolbar { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 12px 16px; display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; }
.sf-active-filters { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.sf-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px;
  background: var(--brand-50); color: var(--brand); border-radius: var(--r-pill);
  font-size: 11.5px; font-weight: 500; }
.sf-chip i { font-size: 9px; cursor: pointer; opacity: 0.7; }
.sf-chip i:hover { opacity: 1; }
.sf-toolbar-right { display: flex; gap: 12px; align-items: center; }
.sf-sort { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-500); }
.sf-sort select { padding: 6px 28px 6px 10px; border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); font-size: 12.5px; font-family: inherit; color: var(--ink-800);
  background: #fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'><path d='M2 4l3 3 3-3' stroke='%235C6473' stroke-width='1.5' fill='none' stroke-linecap='round'/></svg>") no-repeat right 8px center;
  appearance: none; cursor: pointer; outline: 0; }
.sf-view-toggle { display: flex; gap: 0; padding: 2px; background: var(--ink-100); border-radius: var(--r-sm); }
.sf-view-toggle button { background: transparent; border: 0; padding: 6px 10px;
  border-radius: var(--r-xs); color: var(--ink-500); transition: all var(--t); font-size: 12px; }
.sf-view-toggle button.on { background: #fff; color: var(--ink-900); box-shadow: var(--shadow-xs); }

/* List view */
.sf-prod-list-row { display: grid; grid-template-columns: 160px 1fr auto; gap: 18px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 16px; transition: all var(--t); }
.sf-prod-list-row + .sf-prod-list-row { margin-top: 10px; }
.sf-prod-list-row:hover { border-color: var(--brand-200); box-shadow: var(--shadow-sm); }
.sf-prod-list-img { aspect-ratio: 1; background: var(--ink-50); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center; font-size: 56px; color: #C8D1DF; }
.sf-prod-list-info { display: flex; flex-direction: column; gap: 6px; }
.sf-prod-list-info h4 { font-size: 14.5px; font-weight: 600; color: var(--ink-900); margin: 0; letter-spacing: -0.005em; }
.sf-prod-list-specs { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 12px; color: var(--ink-500); margin-top: 4px; }
.sf-prod-list-specs span { display: flex; align-items: center; gap: 4px; }
.sf-prod-list-specs b { color: var(--ink-800); font-weight: 600; }
.sf-prod-list-actions { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; justify-content: space-between; }
.sf-prod-list-price { display: flex; flex-direction: column; align-items: flex-end; }
.sf-prod-list-price .now { font-size: 22px; font-weight: 700; color: var(--ink-900); letter-spacing: -0.015em;
  font-feature-settings: 'tnum'; }
.sf-prod-list-price .old { font-size: 12px; color: var(--ink-400); text-decoration: line-through; }

/* Pagination */
.sf-pager { display: flex; gap: 4px; justify-content: center; margin-top: 32px; align-items: center; }
.sf-pager button {
  width: 36px; height: 36px; background: #fff; border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); font-size: 13px; font-weight: 500; color: var(--ink-700);
  transition: all var(--t);
}
.sf-pager button:hover { border-color: var(--brand); color: var(--brand); }
.sf-pager button.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.sf-pager button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============================================================
   PRODUCT DETAIL
   ============================================================ */
.sf-pdp { display: grid; grid-template-columns: 1.25fr 1.1fr 280px; gap: 28px; align-items: start; }

.sf-pdp-gallery { position: sticky; top: 16px; }
.sf-pdp-main-img {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; margin-bottom: 12px;
}
.sf-pdp-main-img i { font-size: 180px; color: #C8D1DF; }
.sf-pdp-main-img .zoom { position: absolute; bottom: 12px; right: 12px;
  background: rgba(255,255,255,0.92); width: 36px; height: 36px;
  border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); color: var(--ink-700); }
.sf-pdp-main-img .badge {
  position: absolute; top: 14px; left: 14px;
  background: var(--orange); color: #fff; font-size: 11px; font-weight: 700;
  padding: 6px 10px; border-radius: var(--r-sm); letter-spacing: 0.04em;
}
.sf-pdp-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.sf-pdp-thumb {
  background: #fff; border: 1.5px solid var(--border); border-radius: var(--r-sm);
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  font-size: 32px; color: #C8D1DF; cursor: pointer; transition: all var(--t);
}
.sf-pdp-thumb.on { border-color: var(--brand); }
.sf-pdp-thumb:hover { border-color: var(--brand-200); }

/* PDP info column */
.sf-pdp-info h1 { font-size: 26px; font-weight: 700; color: var(--ink-900);
  letter-spacing: -0.02em; line-height: 1.18; margin: 6px 0 10px; }
.sf-pdp-meta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
  font-size: 12px; color: var(--ink-500); margin-bottom: 18px; }
.sf-pdp-meta .stars { color: #F2A516; }
.sf-pdp-meta .sep { width: 1px; height: 12px; background: var(--border-strong); }
.sf-pdp-meta .stock { color: var(--success); font-weight: 600; display: flex; align-items: center; gap: 5px; }
.sf-pdp-meta .stock .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.sf-pdp-price-card {
  background: var(--brand-50); border: 1px solid var(--brand-100);
  border-radius: var(--r-md); padding: 20px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.sf-pdp-price-now { font-size: 36px; font-weight: 700; color: var(--ink-900);
  letter-spacing: -0.025em; line-height: 1; font-feature-settings: 'tnum'; }
.sf-pdp-price-now small { font-size: 18px; font-weight: 600; }
.sf-pdp-price-old { display: block; font-size: 14px; color: var(--ink-400);
  text-decoration: line-through; margin-top: 6px; }
.sf-pdp-discount { background: var(--orange); color: #fff;
  padding: 8px 14px; border-radius: var(--r-sm); font-size: 13px; font-weight: 700;
  display: flex; flex-direction: column; align-items: center; gap: 2px; }
.sf-pdp-discount small { font-size: 10px; font-weight: 500; opacity: 0.9; }

.sf-pdp-options { display: flex; flex-direction: column; gap: 16px; margin-bottom: 22px; }
.sf-pdp-opt h5 { font-size: 12px; font-weight: 600; color: var(--ink-700);
  margin: 0 0 8px; display: flex; justify-content: space-between; }
.sf-pdp-opt h5 small { color: var(--ink-400); font-weight: 500; }
.sf-pdp-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.sf-pdp-pill { padding: 8px 14px; border: 1.5px solid var(--border-strong);
  background: #fff; border-radius: var(--r-sm); font-size: 12.5px; font-weight: 500;
  color: var(--ink-700); transition: all var(--t); }
.sf-pdp-pill.on { border-color: var(--brand); color: var(--brand); background: var(--brand-50); font-weight: 600; }
.sf-pdp-pill:hover { border-color: var(--brand-200); }
.sf-pdp-pill:disabled { color: var(--ink-300); text-decoration: line-through; cursor: not-allowed; background: var(--ink-50); }

.sf-pdp-features { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; margin-bottom: 20px; }
.sf-pdp-features li { list-style: none; font-size: 12.5px; color: var(--ink-700);
  display: flex; align-items: center; gap: 8px; }
.sf-pdp-features li i { color: var(--success); font-size: 11px; }

.sf-pdp-cta { display: flex; gap: 10px; align-items: stretch; margin-bottom: 18px; }
.sf-qty { display: flex; align-items: center; gap: 0; border: 1.5px solid var(--border-strong); border-radius: var(--r-sm); }
.sf-qty button { width: 40px; height: 48px; background: transparent; border: 0;
  color: var(--ink-700); font-size: 16px; }
.sf-qty button:hover { color: var(--brand); }
.sf-qty input { width: 50px; height: 48px; text-align: center; border: 0; outline: 0;
  font-size: 14px; font-weight: 600; font-family: inherit; color: var(--ink-900); }
.sf-pdp-add { flex: 1; height: 48px; padding: 0 24px;
  background: var(--brand); color: #fff; border: 0; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600; display: flex; align-items: center;
  justify-content: center; gap: 10px; transition: all var(--t); }
.sf-pdp-add:hover { background: var(--brand-hover); }
.sf-pdp-icon-btn { width: 48px; height: 48px; background: #fff;
  border: 1.5px solid var(--border-strong); border-radius: var(--r-sm);
  color: var(--ink-700); display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: all var(--t); }
.sf-pdp-icon-btn:hover { border-color: var(--brand); color: var(--brand); }

/* PDP side card */
.sf-pdp-side { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 16px; }
.sf-pdp-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); padding: 16px; }
.sf-pdp-card h5 { font-size: 11.5px; font-weight: 700; color: var(--ink-900);
  text-transform: uppercase; letter-spacing: 0.07em; margin: 0 0 10px; }
.sf-pdp-card .row { display: flex; gap: 10px; padding: 7px 0; align-items: center; }
.sf-pdp-card .row + .row { border-top: 1px solid var(--border); }
.sf-pdp-card .row i { width: 28px; height: 28px; border-radius: var(--r-sm);
  background: var(--brand-50); color: var(--brand);
  display: flex; align-items: center; justify-content: center; font-size: 12px; flex-shrink: 0; }
.sf-pdp-card .row .text { flex: 1; min-width: 0; }
.sf-pdp-card .row b { font-size: 12px; font-weight: 600; color: var(--ink-900); display: block; margin-bottom: 2px; }
.sf-pdp-card .row p { font-size: 11px; color: var(--ink-500); margin: 0; line-height: 1.4; }

/* PDP tabs */
.sf-pdp-section { margin-top: 40px; }
.sf-pdp-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.sf-pdp-tabs button { background: transparent; border: 0; padding: 12px 20px;
  font-size: 13px; font-weight: 500; color: var(--ink-500);
  position: relative; transition: color var(--t); }
.sf-pdp-tabs button.on { color: var(--ink-900); font-weight: 600; }
.sf-pdp-tabs button.on::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--brand); }
.sf-specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; max-width: 920px; }
.sf-specs-grid .row { display: grid; grid-template-columns: 180px 1fr; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.sf-specs-grid .row .k { color: var(--ink-500); }
.sf-specs-grid .row .v { color: var(--ink-900); font-weight: 500; }

/* ============================================================
   CART / CHECKOUT
   ============================================================ */
.sf-cart-grid { display: grid; grid-template-columns: 1fr 380px; gap: 24px; align-items: start; }
.sf-cart-list { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); }
.sf-cart-row { display: grid; grid-template-columns: 80px 1fr auto auto auto; gap: 18px;
  padding: 16px 18px; align-items: center; border-bottom: 1px solid var(--border); }
.sf-cart-row:last-child { border-bottom: 0; }
.sf-cart-img { aspect-ratio: 1; background: var(--ink-50); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center; font-size: 36px; color: #C8D1DF; }
.sf-cart-info h4 { font-size: 14px; font-weight: 600; color: var(--ink-900); margin: 0 0 4px; letter-spacing: -0.005em; }
.sf-cart-info p { font-size: 12px; color: var(--ink-500); margin: 0; }
.sf-cart-info .stock { display: inline-flex; align-items: center; gap: 4px; font-size: 11px;
  color: var(--success); font-weight: 500; margin-top: 6px; }
.sf-cart-qty { display: flex; align-items: center; border: 1px solid var(--border-strong); border-radius: var(--r-sm); }
.sf-cart-qty button { width: 30px; height: 32px; background: transparent; border: 0; color: var(--ink-700); }
.sf-cart-qty input { width: 36px; height: 32px; border: 0; text-align: center; font-size: 13px;
  font-weight: 600; outline: 0; font-family: inherit; }
.sf-cart-price { font-size: 16px; font-weight: 700; color: var(--ink-900);
  text-align: right; min-width: 90px; font-feature-settings: 'tnum'; }
.sf-cart-remove { width: 32px; height: 32px; background: transparent; border: 0;
  color: var(--ink-400); border-radius: var(--r-sm); transition: all var(--t); }
.sf-cart-remove:hover { background: var(--danger-soft); color: var(--danger); }

.sf-cart-foot { padding: 16px 18px; background: var(--ink-50); display: flex; gap: 12px;
  align-items: center; border-radius: 0 0 var(--r-md) var(--r-md); }
.sf-promo-input { flex: 1; display: flex; gap: 8px; }
.sf-promo-input input { flex: 1; height: 40px; padding: 0 14px;
  background: #fff; border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); font-size: 13px; outline: 0; font-family: inherit; }

/* Summary */
.sf-summary { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 20px; position: sticky; top: 16px; }
.sf-summary h3 { font-size: 16px; font-weight: 700; color: var(--ink-900); margin: 0 0 16px; letter-spacing: -0.01em; }
.sf-summary .row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 13px; color: var(--ink-700); }
.sf-summary .row b { color: var(--ink-900); font-feature-settings: 'tnum'; }
.sf-summary .row.disc b { color: var(--orange); }
.sf-summary .total { display: flex; justify-content: space-between; align-items: baseline;
  padding: 16px 0 0; margin-top: 8px; border-top: 1px solid var(--border); font-size: 14px; font-weight: 600; }
.sf-summary .total b { font-size: 24px; font-weight: 700; color: var(--ink-900);
  letter-spacing: -0.015em; font-feature-settings: 'tnum'; }
.sf-summary .checkout-btn {
  width: 100%; height: 48px; background: var(--brand); color: #fff; border: 0;
  border-radius: var(--r-sm); font-size: 14px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-top: 16px; transition: all var(--t);
}
.sf-summary .checkout-btn:hover { background: var(--brand-hover); }
.sf-summary .pay-icons { display: flex; gap: 6px; justify-content: center; margin-top: 12px;
  font-size: 11px; color: var(--ink-400); align-items: center; }

/* Checkout steps */
.sf-steps { display: flex; gap: 0; margin-bottom: 28px; }
.sf-steps .step { flex: 1; display: flex; align-items: center; gap: 10px; padding: 16px 0;
  border-bottom: 2px solid var(--border); position: relative; font-size: 13px; }
.sf-steps .step.active { border-bottom-color: var(--brand); color: var(--ink-900); }
.sf-steps .step.done { border-bottom-color: var(--success); color: var(--success); }
.sf-steps .step .num { width: 26px; height: 26px; border-radius: 50%; background: var(--ink-100);
  color: var(--ink-500); display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; flex-shrink: 0; }
.sf-steps .step.active .num { background: var(--brand); color: #fff; }
.sf-steps .step.done .num { background: var(--success); color: #fff; }
.sf-steps .step b { font-weight: 600; }
.sf-steps .step small { display: block; color: var(--ink-400); font-size: 11px; }

/* Form */
.sf-form { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); padding: 24px; }
.sf-form h3 { font-size: 16px; font-weight: 700; color: var(--ink-900); margin: 0 0 18px; letter-spacing: -0.005em; }
.sf-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.sf-field { display: flex; flex-direction: column; gap: 6px; }
.sf-field.full { grid-column: 1 / -1; }
.sf-field label { font-size: 12px; font-weight: 500; color: var(--ink-700); }
.sf-field label .req { color: var(--danger); }
.sf-input { height: 42px; padding: 0 14px; background: #fff;
  border: 1.5px solid var(--border-strong); border-radius: var(--r-sm);
  font-size: 13.5px; font-family: inherit; color: var(--ink-900); outline: 0;
  transition: all var(--t); }
.sf-input:focus { border-color: var(--brand); box-shadow: var(--focus-ring); }
.sf-input::placeholder { color: var(--ink-400); }
textarea.sf-input { height: auto; padding: 12px 14px; resize: vertical; min-height: 90px; }
.sf-field .hint { font-size: 11px; color: var(--ink-400); }

/* Radio cards (delivery / payment) */
.sf-radios { display: flex; flex-direction: column; gap: 10px; }
.sf-radio-card { display: flex; gap: 14px; padding: 14px 16px; align-items: center;
  background: #fff; border: 1.5px solid var(--border-strong); border-radius: var(--r-md);
  cursor: pointer; transition: all var(--t); }
.sf-radio-card.on { border-color: var(--brand); background: var(--brand-50); }
.sf-radio-card .dot { width: 18px; height: 18px; border: 2px solid var(--border-strong);
  border-radius: 50%; display: grid; place-content: center; flex-shrink: 0; }
.sf-radio-card.on .dot { border-color: var(--brand); }
.sf-radio-card.on .dot::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--brand); }
.sf-radio-card .icon { width: 36px; height: 36px; border-radius: var(--r-sm);
  background: var(--ink-100); color: var(--ink-700);
  display: flex; align-items: center; justify-content: center; font-size: 15px; }
.sf-radio-card.on .icon { background: var(--brand-100); color: var(--brand); }
.sf-radio-card .info { flex: 1; }
.sf-radio-card .info b { font-size: 13.5px; font-weight: 600; color: var(--ink-900); display: block; }
.sf-radio-card .info p { font-size: 12px; color: var(--ink-500); margin: 2px 0 0; }
.sf-radio-card .price { font-size: 13px; font-weight: 700; color: var(--ink-900); font-feature-settings: 'tnum'; }
.sf-radio-card .price.free { color: var(--success); }

/* ============================================================
   AUTH (login + register)
   ============================================================ */
.sf-auth-grid { display: grid; grid-template-columns: 1fr 1fr; min-height: 720px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-md); }
.sf-auth-art { position: relative; background:
  radial-gradient(at 30% 20%, rgba(255,255,255,0.18), transparent 60%),
  linear-gradient(160deg, var(--brand) 0%, var(--brand-700) 100%);
  padding: 48px; color: #fff; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.sf-auth-art h2 { font-size: 32px; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em;
  margin: 0 0 12px; max-width: 360px; }
.sf-auth-art p { font-size: 14px; opacity: 0.92; max-width: 360px; line-height: 1.55; }
.sf-auth-art .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  position: relative; z-index: 2; }
.sf-auth-art .stat b { font-size: 28px; font-weight: 700; display: block; letter-spacing: -0.02em; font-feature-settings: 'tnum'; }
.sf-auth-art .stat span { font-size: 12px; opacity: 0.85; }
.sf-auth-art .ring { position: absolute; border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%; right: -120px; top: -120px; width: 360px; height: 360px; pointer-events: none; }
.sf-auth-art .ring.r2 { right: -60px; top: 60px; width: 220px; height: 220px; opacity: 0.5; }
.sf-auth-art .printer { position: absolute; right: -10px; bottom: 60px; font-size: 200px; opacity: 0.1; }

.sf-auth-form { padding: 60px 56px; display: flex; flex-direction: column; }
.sf-auth-form .brand { display: flex; align-items: center; gap: 10px; margin-bottom: 36px; }
.sf-auth-form .brand img { height: 32px; }
.sf-auth-form h1 { font-size: 28px; font-weight: 700; color: var(--ink-900);
  letter-spacing: -0.02em; margin: 0 0 8px; }
.sf-auth-form .sub { font-size: 13.5px; color: var(--ink-500); margin: 0 0 32px; }
.sf-auth-form .switcher { display: flex; gap: 4px; padding: 4px; background: var(--ink-100);
  border-radius: var(--r-sm); margin-bottom: 28px; }
.sf-auth-form .switcher button { flex: 1; background: transparent; border: 0; padding: 9px 0;
  font-size: 13px; font-weight: 500; color: var(--ink-500);
  border-radius: var(--r-xs); transition: all var(--t); }
.sf-auth-form .switcher button.on { background: #fff; color: var(--ink-900); font-weight: 600;
  box-shadow: var(--shadow-xs); }
.sf-auth-form .row-flex { display: flex; justify-content: space-between; align-items: center; margin: -4px 0 18px; }
.sf-auth-form .forgot { color: var(--brand); font-size: 12.5px; font-weight: 500; }
.sf-auth-form .forgot:hover { text-decoration: underline; }
.sf-auth-form .submit { width: 100%; height: 46px; margin-top: 8px;
  background: var(--brand); color: #fff; border: 0; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600; transition: all var(--t); }
.sf-auth-form .submit:hover { background: var(--brand-hover); }
.sf-auth-form .divider { display: flex; align-items: center; gap: 12px;
  font-size: 11px; color: var(--ink-400); text-transform: uppercase;
  letter-spacing: 0.08em; margin: 22px 0; }
.sf-auth-form .divider::before, .sf-auth-form .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.sf-auth-form .social { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sf-auth-form .social button { height: 42px; background: #fff;
  border: 1.5px solid var(--border-strong); border-radius: var(--r-sm);
  font-size: 13px; font-weight: 500; color: var(--ink-700);
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: all var(--t); }
.sf-auth-form .social button:hover { border-color: var(--brand); color: var(--brand); }
.sf-auth-form .footer-note { font-size: 12.5px; color: var(--ink-500); text-align: center; margin-top: 24px; }
.sf-auth-form .footer-note a { color: var(--brand); font-weight: 500; }

/* ============================================================
   ACCOUNT
   ============================================================ */
.sf-acc-grid { display: grid; grid-template-columns: 240px 1fr; gap: 24px; align-items: start; }
.sf-acc-side { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; }
.sf-acc-user { padding: 20px; display: flex; gap: 12px; align-items: center; border-bottom: 1px solid var(--border); }
.sf-acc-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--brand);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; }
.sf-acc-user b { font-size: 13.5px; font-weight: 600; color: var(--ink-900); display: block; }
.sf-acc-user p { font-size: 11.5px; color: var(--ink-500); margin: 2px 0 0; }
.sf-acc-nav { padding: 8px 0; display: flex; flex-direction: column; }
.sf-acc-nav a { display: flex; align-items: center; gap: 12px; padding: 10px 18px;
  font-size: 13px; color: var(--ink-700); transition: all var(--t);
  border-left: 3px solid transparent; }
.sf-acc-nav a:hover { background: var(--ink-50); }
.sf-acc-nav a.on { background: var(--brand-50); color: var(--brand);
  border-left-color: var(--brand); font-weight: 600; }
.sf-acc-nav a i { width: 16px; font-size: 12px; }
.sf-acc-nav a .badge { margin-left: auto; background: var(--orange); color: #fff;
  font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: var(--r-pill); }

.sf-acc-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); }
.sf-acc-card-head { padding: 18px 20px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; }
.sf-acc-card-head h2 { font-size: 16px; font-weight: 700; color: var(--ink-900); margin: 0; letter-spacing: -0.005em; }
.sf-acc-card-body { padding: 20px; }

/* Order list (account) */
.sf-orders { display: flex; flex-direction: column; gap: 14px; }
.sf-order-row { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 18px 20px; transition: border-color var(--t); }
.sf-order-row:hover { border-color: var(--brand-200); }
.sf-order-head { display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 14px; border-bottom: 1px dashed var(--border); margin-bottom: 14px; }
.sf-order-head .id { font-size: 14px; font-weight: 700; color: var(--ink-900); font-feature-settings: 'tnum'; }
.sf-order-head .date { font-size: 12px; color: var(--ink-500); margin-top: 2px; }
.sf-status-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border-radius: var(--r-pill); font-size: 11.5px; font-weight: 600; }
.sf-status-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.sf-status-badge.pending  { background: var(--warning-soft); color: var(--warning); }
.sf-status-badge.confirmed { background: var(--brand-50); color: var(--brand); }
.sf-status-badge.shipped  { background: var(--info-soft); color: var(--info); }
.sf-status-badge.delivered { background: var(--success-soft); color: var(--success); }
.sf-status-badge.cancelled { background: var(--danger-soft); color: var(--danger); }

.sf-order-body { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; }
.sf-order-items { display: flex; gap: 10px; align-items: center; }
.sf-order-thumb { width: 50px; height: 50px; background: var(--ink-50); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center; font-size: 24px; color: #C8D1DF; }
.sf-order-more { font-size: 12px; color: var(--ink-500); }
.sf-order-total b { font-size: 18px; font-weight: 700; color: var(--ink-900);
  display: block; text-align: right; font-feature-settings: 'tnum'; letter-spacing: -0.01em; }
.sf-order-total small { font-size: 11px; color: var(--ink-500); }

/* ============================================================
   COMPARE
   ============================================================ */
.sf-compare-table {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  overflow: hidden; display: grid; grid-template-columns: 200px repeat(3, 1fr);
}
.sf-compare-table > div { padding: 14px 16px; border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border); font-size: 12.5px; }
.sf-compare-table > div:nth-child(4n) { border-right: 0; }
.sf-compare-table .label { color: var(--ink-500); background: var(--ink-50); font-weight: 500; }
.sf-compare-table .head-cell { padding: 18px; }
.sf-compare-table .head-cell .img { aspect-ratio: 1; max-width: 120px;
  background: var(--ink-50); border-radius: var(--r-sm); display: flex;
  align-items: center; justify-content: center; font-size: 50px; color: #C8D1DF; margin: 0 auto 12px; }
.sf-compare-table .head-cell h4 { font-size: 13.5px; font-weight: 600;
  color: var(--ink-900); margin: 0 0 6px; text-align: center; line-height: 1.3; letter-spacing: -0.005em; }
.sf-compare-table .head-cell .price { font-size: 18px; font-weight: 700;
  color: var(--ink-900); text-align: center; font-feature-settings: 'tnum'; }
.sf-compare-table .head-cell button { width: 100%; margin-top: 10px; }
.sf-compare-table .v.win { color: var(--success); font-weight: 600; }
.sf-compare-table .v i { margin-right: 4px; }
.sf-compare-table .v i.fa-check { color: var(--success); }
.sf-compare-table .v i.fa-xmark { color: var(--danger); }