/* ============================================================
   Allbirds Clone — main.css  v1.0.0
   设计 token 采自源站计算样式：
   bg #ECE9E2 / ink #000 / Geograph + Self Modern / Akkurat Mono
   ============================================================ */

@font-face { font-family: 'Geograph'; src: url('../fonts/geograph-light.woff2') format('woff2'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Geograph'; src: url('../fonts/geograph-regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Geograph'; src: url('../fonts/geograph-medium.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Geograph'; src: url('../fonts/geograph-bold.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Self Modern'; src: url('../fonts/self-modern_regular_web.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Akkurat Mono'; src: url('../fonts/akkurat-mono.woff2') format('woff2'); font-weight: 400; font-display: swap; }

:root {
  --bg: #ECE9E2;
  --bg-soft: #E3E0D7;
  --ink: #000;
  --ink-soft: #4a4a45;
  --line: rgba(0, 0, 0, .14);
  --white: #fff;
  --footer: #191919;
  --sans: 'Geograph', system-ui, sans-serif;
  --serif: 'Self Modern', ui-serif, serif;
  --mono: 'Akkurat Mono', ui-monospace, monospace;
  --pad: 40px;
  --max: 1440px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* Woo 品牌色压制成黑 */
:root, .woocommerce, .woocommerce-page {
  --wc-primary: #000;
  --wc-primary-text: #ECE9E2;
  --wc-secondary: #E3E0D7;
  --wc-secondary-text: #000;
  --wc-highlight: #3d3d3d;
  --wc-highligh-text: #fff;
  --wc-content-bg: #ECE9E2;
  --wc-subtext: #4a4a45;
}
.woocommerce .ab-pdp__form button.single_add_to_cart_button,
.woocommerce button.single_add_to_cart_button,
.ab-pdp__form button.single_add_to_cart_button {
  background: var(--ink) !important;
  color: var(--bg) !important;
  border-color: var(--ink) !important;
  border-radius: 999px !important;
  width: 100%;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  padding: 15px 20px;
  text-shadow: none;
}
.woocommerce button.single_add_to_cart_button:hover { background: #2c2c2c !important; }
.woocommerce button.single_add_to_cart_button.disabled { opacity: .55; }

.ab-main { min-height: 60vh; }

/* ---------- 通用 ---------- */
.ab-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  font-weight: 400;
}
.ab-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  transition: background .15s, color .15s;
}
.ab-pill:hover { background: transparent; color: var(--ink); }
.ab-pill--tile { background: var(--bg); color: var(--ink); border-color: transparent; }

/* ---------- 公告条 ---------- */
.ab-announce {
  background: #212121;
  color: #ECE9E2;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-align: center;
  padding: 9px 12px;
}

/* ---------- Header ---------- */
.ab-header { background: var(--bg); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.ab-header__in {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 58px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}
.ab-header__nav { display: flex; gap: 26px; }
.ab-header__nav a { font-size: 14px; padding: 6px 0; }
.ab-header__nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.ab-header__logo {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  text-align: center;
}
.ab-header__icons { display: flex; gap: 18px; justify-content: flex-end; align-items: center; }
.ab-header__icon { position: relative; display: inline-flex; }
.ab-header__cartn {
  position: absolute; top: -7px; right: -10px;
  font-family: var(--mono); font-size: 10px;
  min-width: 15px; height: 15px; line-height: 15px;
  background: var(--ink); color: var(--bg);
  border-radius: 999px; text-align: center; padding: 0 3px;
}
.ab-header__burger { display: none; }
.ab-header__mobile { display: none; }

/* ---------- Hero ---------- */
.ab-hero { position: relative; height: 784px; overflow: hidden; }
.ab-hero img { width: 100%; height: 100%; object-fit: cover; }
.ab-hero__copy {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-end;
  padding: 0 var(--pad) 72px;
  color: var(--white);
  text-align: right;
}
.ab-hero__kicker { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; opacity: .9; margin-bottom: 14px; }
.ab-hero__title { font-family: var(--serif); font-weight: 400; font-size: 42px; line-height: 1.15; max-width: 560px; margin-bottom: 26px; }
.ab-hero__btns { display: flex; gap: 12px; }
.ab-hero__btns .ab-pill { background: var(--bg); color: var(--ink); }
.ab-hero__btns .ab-pill:hover { background: transparent; color: var(--white); border-color: var(--white); }

/* ---------- Category tiles ---------- */
.ab-tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 10px var(--pad); }
.ab-tile { position: relative; aspect-ratio: 2 / 3; overflow: hidden; border-radius: 6px; }
.ab-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.ab-tile:hover img { transform: scale(1.03); }
.ab-tile .ab-pill { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); white-space: nowrap; }

/* ---------- Best sellers / 轮播 ---------- */
.ab-best { padding: 64px var(--pad) 40px; }
.ab-best__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.ab-best__arrows { display: flex; gap: 10px; }
.ab-best__arrows button {
  width: 36px; height: 36px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; font-size: 15px;
}
.ab-best__arrows button:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.ab-best__row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc(25% - 30px);
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 6px;
}
.ab-best__row::-webkit-scrollbar { display: none; }
.ab-best__row > * { scroll-snap-align: start; }

/* ---------- 商品卡 ---------- */
.ab-card { display: block; }
.ab-card__imgwrap {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--bg-soft);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 12px;
}
.ab-card__imgwrap img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; }
.ab-card__badge {
  position: absolute; top: 10px; left: 10px;
  font-family: var(--mono); font-size: 9px; letter-spacing: .1em;
  background: var(--bg); border-radius: 999px; padding: 4px 9px;
}
.ab-card__line1 { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.ab-card__title { font-size: 12px; letter-spacing: .06em; font-weight: 500; }
.ab-card__price { font-family: var(--mono); font-size: 12px; white-space: nowrap; }
.ab-card__price del { opacity: .45; }
.ab-card__price ins { text-decoration: none; }
.ab-card__colors { font-size: 11px; color: var(--ink-soft); display: block; margin-top: 3px; }

/* ---------- 三联图 ---------- */
.ab-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 10px var(--pad); }
.ab-grid3__item { position: relative; aspect-ratio: 3 / 4; overflow: hidden; border-radius: 6px; }
.ab-grid3__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.ab-grid3__item:hover img { transform: scale(1.02); }
.ab-grid3__text {
  position: absolute; left: 20px; right: 20px; top: 44%;
  transform: translateY(-50%);
  color: var(--white);
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.2;
  text-align: center;
}
.ab-grid3__item .ab-pill { position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%); }

/* ---------- USP ---------- */
.ab-usp { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding: 56px var(--pad) 72px; }
.ab-usp__head { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; margin-bottom: 12px; }
.ab-usp__body { font-size: 13px; color: var(--ink-soft); line-height: 1.65; }

/* ---------- Collection ---------- */
.ab-collection { max-width: var(--max); margin: 0 auto; padding: 34px var(--pad) 60px; }
.ab-collection__title { font-family: var(--serif); font-weight: 400; font-size: 38px; margin-bottom: 18px; }
.ab-collection__bar {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 13px 2px; margin-bottom: 26px;
}
.ab-collection__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px 20px; }
.ab-collection__empty { grid-column: 1/-1; padding: 40px 0; color: var(--ink-soft); }
.ab-collection__pagenav { margin-top: 44px; }
.ab-collection__pagenav .woocommerce-pagination ul { display: flex; gap: 8px; list-style: none; justify-content: center; }
.ab-collection__pagenav .woocommerce-pagination a, .ab-collection__pagenav .woocommerce-pagination span {
  display: inline-block; min-width: 34px; height: 34px; line-height: 34px;
  text-align: center; border: 1px solid var(--line); border-radius: 999px;
  font-family: var(--mono); font-size: 12px; padding: 0 6px;
}
.ab-collection__pagenav .woocommerce-pagination .current { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ---------- PDP ---------- */
.ab-pdp__top {
  max-width: var(--max);
  margin: 0 auto;
  padding: 26px var(--pad);
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 48px;
  align-items: start;
}
.ab-pdp__mainimg {
  background: var(--bg-soft);
  border-radius: 6px;
  overflow: hidden;
}
.ab-pdp__mainimg img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.ab-pdp__thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.ab-pdp__thumb {
  width: 72px; height: 72px; padding: 0;
  border: 1px solid transparent; border-radius: 6px; overflow: hidden;
  background: var(--bg-soft);
}
.ab-pdp__thumb img { width: 100%; height: 100%; object-fit: cover; }
.ab-pdp__thumb.is-active { border-color: var(--ink); }

.ab-pdp__sticky { position: sticky; top: 80px; }
.ab-pdp__crumb { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: var(--ink-soft); margin-bottom: 10px; }
.ab-pdp__title { font-family: var(--serif); font-weight: 400; font-size: 30px; line-height: 1.2; margin-bottom: 12px; }
.ab-pdp__price { font-family: var(--mono); font-size: 15px; margin-bottom: 6px; }
.ab-pdp__price del { opacity: .45; }
.ab-pdp__price ins { text-decoration: none; }
.ab-pdp__colorname { font-size: 13px; color: var(--ink-soft); margin-bottom: 22px; }

/* Woo 变体表单 → Allbirds 风格 */
.ab-pdp__form form.variations_form { margin-top: 8px; }
.ab-pdp__form table.variations { border: 0; margin-bottom: 16px; width: 100%; }
.ab-pdp__form table.variations th, .ab-pdp__form table.variations td { border: 0; padding: 0 0 10px; background: none; }
.ab-pdp__form table.variations label { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; }
.ab-pdp__form td.value select {
  width: 100%; max-width: 260px;
  appearance: none; -webkit-appearance: none;
  background: transparent url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13px;
  padding: 10px 36px 10px 16px;
}
.ab-pdp__form .single_variation_wrap { border: 0; margin-top: 6px; }
.ab-pdp__form .woocommerce-variation-price { font-family: var(--mono); font-size: 14px; margin-bottom: 12px; }
.ab-pdp__form .woocommerce-variation-description { font-size: 13px; color: var(--ink-soft); margin-bottom: 12px; }
.ab-pdp__form .stock { margin: 8px 0; font-size: 12px; color: #43a047; }
.ab-pdp__form button.single_add_to_cart_button {
  width: 100%;
  background: var(--ink); color: var(--bg);
  font-family: var(--mono); font-size: 12px; letter-spacing: .14em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 15px 20px;
  transition: background .15s, color .15s;
}
.ab-pdp__form button.single_add_to_cart_button:hover { background: transparent; color: var(--ink); }
.ab-pdp__form button.single_add_to_cart_button.disabled { opacity: .5; cursor: not-allowed; }
.ab-pdp__form .quantity { display: none; }
.ab-pdp__form .woocommerce-variation-availability { display: none; }

.ab-pdp__notes { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 18px; }
.ab-pdp__notes p { font-size: 12.5px; color: var(--ink-soft); padding: 4px 0; }

/* PDP 内容区 */
.ab-pdp__content { border-top: 1px solid var(--line); margin-top: 48px; padding: 60px var(--pad); }
.ab-pdp__contentgrid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.ab-pdp__body { font-size: 14px; line-height: 1.7; color: var(--ink-soft); margin-top: 18px; }
.ab-pdp__body ul { margin: 10px 0 0 18px; }
.ab-pdp__body li { padding: 3px 0; }
.ab-pdp__body p { padding: 6px 0; }
.ab-pdp__circlewrap { display: flex; justify-content: center; }
.ab-pdp__circle { width: 340px; height: 340px; border-radius: 50%; overflow: hidden; background: var(--bg-soft); }
.ab-pdp__circle img { width: 100%; height: 100%; object-fit: cover; }
.ab-pdp__related { border-top: 1px solid var(--line); margin-top: 0; padding-top: 48px; }

/* ---------- Cart / Checkout 基础融合 ---------- */
.woocommerce-notices-wrapper .woocommerce-message,
.woocommerce-info, .woocommerce-error {
  background: var(--bg-soft); border-top: 2px solid var(--ink);
  padding: 12px 16px; font-size: 13px; list-style: none;
}
.woocommerce-message::before { content: none; }

/* ---------- Footer ---------- */
.ab-footer { background: var(--footer); color: #ECE9E2; padding: 64px var(--pad) 28px; }
.ab-footer__top {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px;
  padding-bottom: 46px; border-bottom: 1px solid rgba(255,255,255,.14);
}
.ab-footer__newstitle { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; margin-bottom: 16px; }
.ab-footer__form { display: flex; max-width: 380px; border-bottom: 1px solid rgba(255,255,255,.4); }
.ab-footer__form input {
  flex: 1; background: transparent; border: 0; color: #ECE9E2;
  font-family: var(--sans); font-size: 13px; padding: 10px 2px; outline: none;
}
.ab-footer__form input::placeholder { color: rgba(236,233,226,.55); }
.ab-footer__form button {
  background: transparent; border: 1px solid #ECE9E2; color: #ECE9E2;
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em;
  border-radius: 999px; padding: 8px 18px; margin-bottom: 6px;
}
.ab-footer__form button:hover { background: #ECE9E2; color: #191919; }
.ab-footer__cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.ab-footer__head { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; margin-bottom: 14px; }
.ab-footer__col a { display: block; font-size: 12.5px; color: rgba(236,233,226,.72); padding: 4px 0; }
.ab-footer__col a:hover { color: #fff; }
.ab-footer__mid { max-width: var(--max); margin: 0 auto; padding: 34px 0 8px; }
.ab-footer__follow { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; margin-bottom: 14px; }
.ab-footer__social { display: flex; gap: 16px; }
.ab-footer__social a { color: rgba(236,233,226,.85); }
.ab-footer__social a:hover { color: #fff; }
.ab-footer__country {
  max-width: var(--max); margin: 26px auto 0;
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  display: inline-flex; align-items: center; gap: 6px;
}
.ab-footer__legal {
  max-width: var(--max); margin: 22px auto 0;
  display: flex; gap: 26px; flex-wrap: wrap;
  font-size: 11px; color: rgba(236,233,226,.55);
  border-top: 1px solid rgba(255,255,255,.14); padding-top: 20px;
}
.ab-footer__legal a { color: inherit; }
.ab-footer__legal a:hover { color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .ab-pdp__top { grid-template-columns: 1fr 400px; gap: 32px; }
  .ab-collection__grid { grid-template-columns: repeat(3, 1fr); }
  .ab-best__row { grid-auto-columns: calc(33.33% - 14px); }
}
@media (max-width: 860px) {
  :root { --pad: 18px; }
  html, body { overflow-x: clip; }
  .ab-card__line1 { flex-direction: column; align-items: flex-start; gap: 2px; }
  .ab-card__title { word-break: break-word; }
  .ab-collection__bar { flex-wrap: wrap; gap: 6px; }
  .ab-header__nav--left { display: none; }
  .ab-header__in { grid-template-columns: auto 1fr auto; }
  .ab-header__burger {
    display: inline-flex; flex-direction: column; gap: 4px;
    background: none; border: 0; padding: 6px;
  }
  .ab-header__burger span { width: 20px; height: 1.6px; background: var(--ink); }
  .ab-header__mobile { display: none; flex-direction: column; border-top: 1px solid var(--line); padding: 10px var(--pad) 16px; }
  .ab-header__mobile.is-open { display: flex; }
  .ab-header__mobile a { padding: 9px 0; font-size: 15px; }
  .ab-hero { height: 64vh; }
  .ab-hero__title { font-size: 30px; }
  .ab-tiles { grid-template-columns: repeat(2, 1fr); }
  .ab-best__row { grid-auto-columns: calc(50% - 8px); gap: 12px; }
  .ab-grid3 { grid-template-columns: 1fr; }
  .ab-usp { grid-template-columns: 1fr; gap: 28px; padding-bottom: 46px; }
  .ab-collection__grid { grid-template-columns: repeat(2, 1fr); gap: 18px 12px; }
  .ab-pdp__top { grid-template-columns: 1fr; }
  .ab-pdp__sticky { position: static; }
  .ab-pdp__contentgrid { grid-template-columns: 1fr; gap: 30px; }
  .ab-footer__top { grid-template-columns: 1fr; gap: 34px; }
  .ab-footer__cols { grid-template-columns: repeat(2, 1fr); }
}