/* ============================================================
   shop.css — Coffee bean shop page
   Builds on top of style.css (CSS variables already loaded)
   ============================================================ */

/* ── Nav ── */
.shop-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-dark);
  border-bottom: 2px solid var(--color-wood);
}
.shop-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.shop-nav__logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
}
.shop-nav__logo-zh { font-size: .85rem; color: var(--color-wood); font-family: var(--font-primary); font-weight: 500; }
.shop-nav__logo-en { font-size: .7rem;  color: var(--color-gray-lighter); font-family: var(--font-english); letter-spacing: .04em; }
.shop-nav__links {
  margin-left: auto;
}
.shop-nav__links a {
  color: var(--color-gray-lighter);
  text-decoration: none;
  font-size: .85rem;
  transition: color var(--transition-fast);
}
.shop-nav__links a:hover { color: var(--color-wood); }

/* Language switcher */
.shop-lang {
  display: flex;
  gap: .3rem;
  margin-left: auto;
}
.shop-lang .lang-btn {
  background: transparent;
  border: 1px solid rgba(196,165,116,.35);
  color: var(--color-gray-lighter);
  padding: .25rem .6rem;
  border-radius: 4px;
  font-size: .72rem;
  font-family: var(--font-english);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.shop-lang .lang-btn:hover,
.shop-lang .lang-btn.active {
  background: var(--color-wood);
  border-color: var(--color-wood);
  color: white;
}

/* Cart toggle button */
.cart-toggle {
  position: relative;
  background: var(--color-wood);
  border: none;
  color: white;
  width: 42px; height: 42px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}
.cart-toggle:hover { background: var(--color-wood-dark); }
.cart-toggle--flash { animation: cartFlash .6s ease; }
@keyframes cartFlash {
  0%,100% { transform: scale(1); }
  30%      { transform: scale(1.3); background: var(--color-accent-gold); }
}
.cart-count {
  position: absolute;
  top: -5px; right: -5px;
  background: var(--color-accent-red);
  color: white;
  font-size: .65rem; font-weight: 700;
  min-width: 18px; height: 18px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
}

/* ── Shop hero ── */
.shop-hero {
  background: var(--color-dark);
  padding: 3.5rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid rgba(196,165,116,.2);
}
.shop-hero__inner { max-width: 600px; margin: 0 auto; }
.shop-hero__label {
  font-family: var(--font-english);
  font-size: .75rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-wood);
  margin-bottom: .5rem;
}
.shop-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: white;
  margin: 0 0 .75rem;
}
.shop-hero__sub {
  color: var(--color-gray-lighter);
  font-size: .9rem;
}

/* ── Main / grid ── */
.shop-main { padding: 3rem 0 5rem; background: var(--color-cream); }
.container  { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

/* ── Product card ── */
.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Image area */
.product-card__image-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-cream-dark);
}
.product-card__image {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card__image { transform: scale(1.05); }

/* Placeholder when image missing */
.product-card__image-wrap--placeholder::after {
  content: '\f0f4';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  color: var(--color-wood);
  opacity: .35;
}
.product-card__image-wrap--placeholder .product-card__image { display: none; }

/* Roast badge */
.product-card__badge {
  position: absolute;
  top: .75rem; left: .75rem;
  padding: .25rem .65rem;
  border-radius: 20px;
  font-size: .7rem; font-weight: 600;
  letter-spacing: .04em;
  color: white;
}
.badge--light        { background: var(--color-primary); }
.badge--light-medium { background: var(--card-warm-amber); }
.badge--medium       { background: var(--card-burnt-orange); }
.badge--dark         { background: var(--color-dark); }

/* Weight badge */
.product-card__weight {
  position: absolute;
  top: .75rem; right: .75rem;
  background: rgba(0,0,0,.55);
  color: white;
  font-size: .7rem; font-weight: 500;
  padding: .2rem .55rem;
  border-radius: 20px;
  font-family: var(--font-english);
  letter-spacing: .04em;
}

/* Card body */
.product-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: .35rem;
}
.product-card__name-zh {
  font-size: 1rem; font-weight: 700;
  color: var(--color-dark);
  margin: 0;
  font-family: var(--font-primary);
  line-height: 1.4;
}
.product-card__name-en {
  font-size: .72rem;
  color: var(--color-gray-lighter);
  font-family: var(--font-english);
  margin: 0;
  letter-spacing: .02em;
}
.product-card__origin {
  font-size: .78rem;
  color: var(--color-primary);
  font-weight: 500;
  margin: .15rem 0 0;
}
.product-card__flavor {
  font-size: .78rem;
  color: var(--color-gray-light);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Grind selector */
.product-card__grind {
  margin-top: .5rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.product-card__grind-label {
  font-size: .72rem;
  color: var(--color-gray-lighter);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.grind-options {
  display: flex; flex-wrap: wrap; gap: .4rem;
}
.grind-label {
  cursor: pointer;
}
.grind-label input { display: none; }
.grind-label span {
  display: block;
  padding: .25rem .6rem;
  border: 1px solid var(--color-cream-dark);
  border-radius: 20px;
  font-size: .72rem;
  color: var(--color-gray);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.grind-label input:checked + span {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: white;
}
.grind-label:hover span {
  border-color: var(--color-wood);
  color: var(--color-wood-dark);
}

/* Card footer */
.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: .75rem;
  border-top: 1px solid var(--color-cream-dark);
}
.product-card__price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  font-family: var(--font-english);
}
.add-to-cart {
  background: var(--color-dark);
  color: white;
  border: none;
  padding: .5rem 1rem;
  border-radius: 20px;
  font-size: .8rem;
  cursor: pointer;
  display: flex; align-items: center; gap: .4rem;
  transition: background var(--transition-fast);
}
.add-to-cart:hover    { background: var(--color-wood-dark); }
.add-to-cart:disabled { background: var(--color-gray-lighter); cursor: not-allowed; }

/* ── Cart overlay ── */
.cart-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
}
.cart-overlay--visible { display: block; }

/* ── Cart sidebar ── */
.cart-sidebar {
  position: fixed;
  top: 0; right: 0;
  width: min(420px, 100vw);
  height: 100dvh;
  background: white;
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow: -4px 0 24px rgba(0,0,0,.15);
}
.cart-sidebar--open { transform: translateX(0); }

.cart-sidebar__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--color-cream-dark);
  flex-shrink: 0;
}
.cart-sidebar__header h2 {
  font-size: 1.05rem; font-weight: 700; margin: 0;
  display: flex; align-items: center; gap: .5rem;
  color: var(--color-dark);
}
.cart-sidebar__header .cart-count {
  position: static;
  background: var(--color-wood);
}
.cart-close {
  background: none; border: none;
  font-size: 1.1rem; cursor: pointer;
  color: var(--color-gray-lighter);
  transition: color var(--transition-fast);
  padding: .25rem;
}
.cart-close:hover { color: var(--color-dark); }

.cart-sidebar__body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Empty state */
.cart-empty {
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--color-gray-lighter);
  font-size: .95rem;
  padding: 3rem 0;
}
.cart-empty i { font-size: 2.5rem; opacity: .4; }

/* Cart items */
.cart-items { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .75rem; }
.cart-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem;
  border: 1px solid var(--color-cream-dark);
  border-radius: var(--radius-md);
  background: var(--color-cream);
}
.cart-item__info { flex: 1; min-width: 0; }
.cart-item__name {
  font-size: .85rem; font-weight: 600; color: var(--color-dark);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block;
}
.cart-item__meta { font-size: .72rem; color: var(--color-gray-lighter); }
.cart-item__controls {
  display: flex; align-items: center; gap: .35rem;
}
.qty-btn {
  width: 24px; height: 24px;
  border: 1px solid var(--color-cream-dark);
  border-radius: 4px; background: white;
  cursor: pointer; font-size: .85rem; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-dark);
  transition: background var(--transition-fast);
}
.qty-btn:hover { background: var(--color-dark); color: white; }
.qty-val { font-size: .85rem; font-weight: 700; min-width: 20px; text-align: center; }
.cart-item__price {
  font-size: .85rem; font-weight: 700; color: var(--color-dark);
  display: flex; flex-direction: column; align-items: flex-end; gap: .25rem;
  font-family: var(--font-english);
}
.remove-btn {
  background: none; border: none; cursor: pointer;
  color: var(--color-gray-lighter); font-size: .7rem;
  transition: color var(--transition-fast);
}
.remove-btn:hover { color: var(--color-accent-red); }

/* Cart summary */
.cart-summary {
  border-top: 1px solid var(--color-cream-dark);
  padding-top: .75rem;
  display: flex; flex-direction: column; gap: .4rem;
}
.cart-summary__row {
  display: flex; justify-content: space-between;
  font-size: .875rem; color: var(--color-gray);
}
.cart-summary__row--total {
  font-size: 1rem; color: var(--color-dark);
  padding-top: .4rem;
  border-top: 1px solid var(--color-cream-dark);
}
.cart-summary__free {
  font-size: .75rem; color: var(--color-gray-lighter);
  text-align: center;
}
.cart-summary__free--ok { color: var(--color-primary); font-weight: 600; }

/* ── Checkout form ── */
.checkout-form { display: flex; flex-direction: column; gap: .85rem; }
.checkout-form__title {
  font-size: .95rem; font-weight: 700; color: var(--color-dark);
  margin: 0 0 .25rem;
  padding-top: .5rem;
  border-top: 2px solid var(--color-cream-dark);
}
.form-group { display: flex; flex-direction: column; gap: .3rem; }
.form-group label { font-size: .78rem; font-weight: 600; color: var(--color-gray); }
.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid var(--color-cream-dark);
  border-radius: var(--radius-sm);
  padding: .55rem .75rem;
  font-size: .85rem;
  font-family: var(--font-primary);
  color: var(--color-dark);
  transition: border-color var(--transition-fast);
  width: 100%;
  box-sizing: border-box;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-wood);
}
.form-group textarea { resize: vertical; }

/* Shipping options */
.shipping-options { display: flex; flex-direction: column; gap: .4rem; }
.shipping-option {
  display: flex; align-items: center; gap: .5rem;
  cursor: pointer; font-size: .85rem; color: var(--color-gray);
  padding: .5rem .75rem;
  border: 1px solid var(--color-cream-dark);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.shipping-option:has(input:checked) {
  border-color: var(--color-wood);
  background: #fdf8f0;
}
.shipping-option input { accent-color: var(--color-wood); }
.shipping-option i { color: var(--color-wood); width: 14px; text-align: center; }

/* Form error */
.form-error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: var(--radius-sm);
  padding: .6rem .85rem;
  font-size: .82rem;
  color: #dc2626;
}

/* Checkout button */
.btn-checkout {
  width: 100%;
  padding: .85rem;
  background: var(--color-dark);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: .95rem; font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  transition: background var(--transition-fast);
}
.btn-checkout:hover    { background: var(--color-wood-dark); }
.btn-checkout:disabled { background: var(--color-gray-lighter); cursor: not-allowed; }

.checkout-form__ecpay {
  font-size: .72rem;
  color: var(--color-gray-lighter);
  text-align: center;
  margin: 0;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .product-grid { grid-template-columns: 1fr; }
  .shop-hero    { padding: 2.5rem 1rem; }
}