/* ================================================================
   Muli E-Commerce · Design System  (adapted from temple.html)
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@300;400;500;600;700&family=Noto+Sans+TC:wght@300;400;500;600;700&family=Caveat:wght@400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,400;1,500&display=swap');

:root {
  --ff-serif-zh: "Noto Serif TC", "Songti TC", "Cormorant Garamond", serif;
  --ff-sans-zh:  "Noto Sans TC", "PingFang TC", system-ui, sans-serif;
  --ff-hand:     "Caveat", "Noto Serif TC", cursive;
  --ff-serif-en: "Cormorant Garamond", "Noto Serif TC", serif;
  --ff-display:  var(--ff-serif-zh);
  --ff-body:     var(--ff-sans-zh);
  --ff-en:       var(--ff-serif-en);
  --ff-accent:   var(--ff-hand);

  /* palette — forest (default) */
  --bg:          #faf7f0;
  --paper:       #ffffff;
  --ink:         #1f2420;
  --ink-soft:    #5a5f58;
  --ink-faint:   #a8a89f;
  --line:        #1f2420;
  --line-soft:   #d7d2bf;
  --tint:        #eae4d2;
  --tint-deep:   #dbd2b8;
  --accent:      #4a5d3a;
  --accent-ink:  #ffffff;
  --warm:        #d4724a;
  --warm-soft:   #f3d7c5;

  --gutter: 56px;
  --r-sm: 2px;
  --r-md: 6px;
  --max-w: 1440px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ff-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
input, select, textarea { font: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }

/* ---- Layout ---- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }

/* ---- Typography atoms ---- */
.eyebrow {
  font-family: var(--ff-accent);
  font-size: 20px;
  color: var(--warm);
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content:""; width: 28px; height: 1px; background: var(--warm); }
.section-tag { font-size: 11px; letter-spacing: 4px; color: var(--ink-soft); text-transform: uppercase; font-family: var(--ff-body); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 30px;
  border: 1.5px solid var(--ink);
  font-size: 13px;
  letter-spacing: 4px;
  font-weight: 500;
  background: transparent;
  color: var(--ink);
  transition: background .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.btn.accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.accent:hover { background: var(--ink); border-color: var(--ink); }
.btn.sm { padding: 10px 18px; font-size: 11px; letter-spacing: 3px; }
.btn .arrow { font-family: var(--ff-accent); font-size: 20px; transition: transform .2s; }
.btn:hover .arrow { transform: translateX(4px); }

.linkish { font-size: 12px; letter-spacing: 3px; border-bottom: 1px solid currentColor; padding-bottom: 3px; color: var(--ink-soft); transition: color .2s; }
.linkish:hover { color: var(--ink); }

/* ---- Form elements ---- */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 11px; letter-spacing: 3px; color: var(--ink-soft); }
.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--line-soft);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  transition: border-color .2s;
}
.form-input:focus { outline: none; border-color: var(--ink); }
.form-input.error { border-color: var(--warm); }
.form-error { font-size: 12px; color: var(--warm); margin-top: 4px; }

/* ---- Placeholder image ---- */
.ph {
  background: var(--tint);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
}
.ph::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent 0 22px, rgba(0,0,0,.03) 22px 23px);
}
.ph::after { content: ""; position: absolute; inset: 12px; border: 1px dashed var(--line-soft); }
.ph .lbl {
  position: relative; z-index: 2;
  font-family: var(--ff-accent); font-size: 18px; color: var(--ink-soft);
  text-align: center; line-height: 1.5; padding: 12px 18px;
  background: var(--paper); border: 1px solid var(--line-soft);
}

/* ---- Strip ---- */
.strip { border-bottom: 1px solid var(--line-soft); font-size: 11px; letter-spacing: 3px; color: var(--ink-soft); }
.strip-inner { display: flex; justify-content: space-between; padding: 10px 0; align-items: center; }
.strip-inner .left, .strip-inner .right { display: flex; gap: 24px; }
.strip .marq { font-family: var(--ff-accent); font-size: 15px; letter-spacing: 1px; color: var(--warm); }

/* ---- Nav ---- */
.nav { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 50; backdrop-filter: blur(8px); }
.nav-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 22px 0; }
.nav .logo { font-family: var(--ff-display); font-size: 26px; font-weight: 500; letter-spacing: 8px; }
.nav .logo-en { font-family: var(--ff-en); font-size: 13px; letter-spacing: 6px; color: var(--ink-soft); display: block; text-align: center; margin-top: 2px; font-style: italic; }
.nav-links { list-style: none; display: flex; gap: 36px; }
.nav-links li { font-size: 13px; letter-spacing: 4px; position: relative; cursor: pointer; padding: 6px 0; }
.nav-links li a { text-decoration: none; color: inherit; }
.nav-links li::after { content:""; position: absolute; left: 50%; bottom: 0; width: 0; height: 1px; background: var(--ink); transition: width .25s, left .25s; }
.nav-links li:hover::after { left: 0; width: 100%; }
.nav-links li.active::after { left: 0; width: 100%; }
.nav-actions { display: flex; justify-content: flex-end; gap: 20px; align-items: center; font-size: 12px; letter-spacing: 3px; color: var(--ink-soft); }
.nav-actions .cart { border: 1px solid var(--line); padding: 8px 16px; color: var(--ink); font-weight: 500; cursor: pointer; transition: background .2s, color .2s; }
.nav-actions .cart:hover { background: var(--ink); color: var(--paper); }
.nav-actions .user-link { cursor: pointer; transition: color .2s; }
.nav-actions .user-link:hover { color: var(--ink); }
.nav-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line); align-items: center; justify-content: center; flex-direction: column; gap: 4px; cursor: pointer; background: transparent; }
.nav-toggle span { display: block; width: 16px; height: 1.5px; background: var(--ink); transition: transform .25s, opacity .25s; }

/* ---- Mobile menu ---- */
.mobile-menu {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg); z-index: 48;
  padding: 100px 32px 40px;
  display: flex; flex-direction: column; gap: 28px;
  transform: translateY(-100%);
  transition: transform .35s cubic-bezier(.6,.05,.2,1);
  overflow-y: auto;
}
body.nav-open .mobile-menu { transform: translateY(0); }
.mobile-menu a { font-family: var(--ff-display); font-size: 32px; letter-spacing: 3px; border-bottom: 1px solid var(--line-soft); padding-bottom: 16px; }
.mobile-menu .mm-sub { margin-top: 40px; display: flex; flex-direction: column; gap: 14px; font-size: 13px; letter-spacing: 3px; color: var(--ink-soft); }
.mobile-menu .mm-sub a { font-family: var(--ff-body); font-size: 13px; border: none; padding: 0; letter-spacing: 3px; }
.mobile-menu .mm-foot { margin-top: auto; padding-top: 32px; display: flex; justify-content: space-between; font-family: var(--ff-accent); font-size: 16px; color: var(--ink-soft); }

/* ---- Footer ---- */
footer { padding: 100px 0 40px; background: var(--bg); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 60px; padding-bottom: 60px; border-bottom: 1px solid var(--line-soft); }
.foot-brand .logo { font-family: var(--ff-display); font-size: 32px; letter-spacing: 6px; font-weight: 500; margin-bottom: 8px; }
.foot-brand .logo-en { font-family: var(--ff-en); font-style: italic; font-size: 15px; letter-spacing: 4px; color: var(--ink-soft); }
.foot-brand p { margin-top: 28px; font-size: 13px; line-height: 1.9; color: var(--ink-soft); max-width: 340px; }
.foot-col h5 { font-size: 11px; letter-spacing: 4px; color: var(--ink); margin-bottom: 22px; font-weight: 600; }
.foot-col ul { list-style: none; }
.foot-col li { font-size: 13px; color: var(--ink-soft); margin-bottom: 12px; cursor: pointer; transition: color .2s; }
.foot-col li:hover { color: var(--ink); }
.foot-col li a { color: inherit; }
.foot-bottom { display: flex; justify-content: space-between; padding-top: 28px; font-size: 11px; letter-spacing: 3px; color: var(--ink-soft); }

/* ---- Marquee ---- */
.marquee-track { display: flex; gap: 70px; white-space: nowrap; animation: marq 28s linear infinite; font-family: var(--ff-display); font-size: 34px; letter-spacing: 4px; }
.marquee-track span { display: inline-flex; align-items: center; gap: 70px; }
.marquee-track .dot { color: var(--warm); }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---- Filter chips ---- */
.filter-row { display: flex; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-chip { font-family: var(--ff-body); font-size: 12px; letter-spacing: 2px; padding: 9px 18px; border: 1px solid var(--line-soft); border-radius: 999px; color: var(--ink-soft); transition: all .2s; cursor: pointer; }
.filter-chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filter-chip:hover:not(.active) { border-color: var(--ink); color: var(--ink); }

/* ---- Product card ---- */
.product-card { position: relative; display: flex; flex-direction: column; }
.product-card .card-img { aspect-ratio: 4/5; position: relative; overflow: hidden; margin-bottom: 22px; }
a.card-img-link { display: block; text-decoration: none; color: inherit; cursor: pointer; }
.product-card .card-img .ph { width: 100%; height: 100%; }
.product-card .badge { position: absolute; top: 14px; left: 14px; font-family: var(--ff-accent); font-size: 14px; color: var(--warm); background: var(--paper); padding: 4px 10px; border: 1px solid var(--line-soft); border-radius: 999px; z-index: 2; }
.product-card .card-no { position: absolute; top: 14px; right: 14px; font-family: var(--ff-en); font-style: italic; font-size: 14px; color: var(--ink-soft); background: var(--paper); padding: 4px 10px; border-radius: 999px; z-index: 2; }
.product-card .quick { position: absolute; left: 14px; right: 14px; bottom: 14px; background: var(--ink); color: var(--paper); padding: 12px 16px; font-size: 12px; letter-spacing: 3px; text-align: center; opacity: 0; transform: translateY(8px); transition: all .25s; z-index: 2; cursor: pointer; }
.product-card:hover .quick { opacity: 1; transform: translateY(0); }
.product-card .name-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.product-card h3 { font-family: var(--ff-display); font-size: 22px; font-weight: 500; letter-spacing: 1px; line-height: 1.3; }
.product-card .sub-en { font-family: var(--ff-en); font-style: italic; font-size: 14px; color: var(--ink-soft); margin-top: 4px; }
.product-card .price { font-family: var(--ff-en); font-style: italic; font-size: 22px; white-space: nowrap; }
.product-card .blurb { margin-top: 14px; font-size: 13px; line-height: 1.8; color: var(--ink-soft); }
.product-card .notes { margin-top: 16px; display: flex; gap: 14px; font-family: var(--ff-accent); font-size: 14px; color: var(--ink-soft); }
.product-card .notes span::before { content: "·  "; color: var(--warm); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 32px; }

/* ---- Page sections ---- */
.page-header { padding: 80px 0 60px; border-bottom: 1px solid var(--line); }
.page-header h1 { font-family: var(--ff-display); font-size: clamp(40px,4vw,64px); font-weight: 500; line-height: 1.1; letter-spacing: 1px; }
.page-header p { font-size: 14px; color: var(--ink-soft); margin-top: 16px; max-width: 560px; line-height: 1.9; }

/* ---- Toast notification ---- */
.toast-container { position: fixed; bottom: 28px; right: 28px; z-index: 300; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast { background: var(--ink); color: var(--paper); padding: 14px 20px; font-size: 13px; letter-spacing: 2px; border-radius: 2px; animation: toast-in .3s ease forwards; pointer-events: all; }
.toast.removing { animation: toast-out .3s ease forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(12px); } }

/* ---- Breadcrumb ---- */
.breadcrumb { display: flex; gap: 8px; font-size: 11px; letter-spacing: 2px; color: var(--ink-soft); padding: 16px 0; }
.breadcrumb a { color: inherit; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--ink-faint); }

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 1100px) {
  :root { --gutter: 32px; }
  .nav-links { display: none; }
  .nav-inner { grid-template-columns: auto 1fr auto; }
  .nav-toggle { display: inline-flex; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 720px) {
  :root { --gutter: 20px; }
  html, body { font-size: 14px; }
  .strip-inner .right { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .foot-bottom { flex-direction: column; gap: 10px; }
  .product-card .quick { opacity: 1; transform: none; }
  footer { padding: 60px 0 40px; }
}