/* ============================================================
 * Knoaia Storefront — 购物车 / 结算 / 订单确认 样式
 * 独立文件，不改动主样式表，避免影响既有版面
 * v1.0 · 2026-09-02
 * ============================================================ */

/* ---------- 导航购物车入口 ---------- */
.cart-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;margin-left:6px;
  border:1px solid rgba(35,72,58,.28);border-radius:999px;
  background:transparent;color:var(--evergreen,#23483A);
  font-size:14px;font-weight:600;text-decoration:none;line-height:1;
  transition:background .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.cart-link:hover{background:rgba(35,72,58,.07);border-color:var(--evergreen,#23483A);}
.cart-link svg{width:17px;height:17px;flex:none;}
.cart-count{
  display:none;min-width:19px;height:19px;padding:0 5px;
  background:var(--red,#B6403A);color:#fff;border-radius:999px;
  font-size:11px;font-weight:700;line-height:19px;text-align:center;
}
.cart-count[data-has-items="true"]{display:inline-block;}

/* ---------- 加购按钮 ---------- */
.btn-cart{display:inline-flex;align-items:center;justify-content:center;gap:8px;}
.btn-cart::before{content:"🛒";font-size:15px;line-height:1;}
.btn-cart.is-added{background:var(--evergreen-deep,#1A3729);}

/* ---------- 轻提示 toast ---------- */
.cart-toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,16px);
  background:var(--evergreen-deep,#1A3729);color:#fff;
  padding:12px 22px;border-radius:999px;font-size:14px;font-weight:600;
  box-shadow:0 8px 26px rgba(0,0,0,.24);
  opacity:0;visibility:hidden;z-index:9999;
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
}
.cart-toast.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ---------- 通用页面骨架 ---------- */
.page-head{
  background:var(--evergreen-deep,#1A3729);color:#fff;padding:44px 0 40px;text-align:center;
}
.page-head h1{
  font-family:var(--serif,Georgia,serif);font-weight:400;
  font-size:clamp(26px,3.4vw,40px);margin:0 0 8px;
}
.page-head p{margin:0;color:#C9D8CE;font-size:15px;}

/* ---------- 购物车页 ---------- */
.cart-wrap{display:grid;grid-template-columns:1.62fr 1fr;gap:34px;align-items:start;padding:46px 0 72px;}
@media (max-width:900px){.cart-wrap{grid-template-columns:1fr;gap:26px;}}

.cart-lines{background:#fff;border:1px solid var(--line,#E3DCCB);border-radius:12px;overflow:hidden;}
.cart-line{
  display:grid;grid-template-columns:88px 1fr auto;gap:16px;
  padding:16px 18px;border-bottom:1px solid var(--line,#E3DCCB);align-items:center;
}
.cart-line:last-child{border-bottom:none;}
@media (max-width:560px){.cart-line{grid-template-columns:70px 1fr;}.cart-line .cl-sub{grid-column:1/-1;}}
.cart-line img{width:88px;height:88px;object-fit:contain;background:var(--ivory,#F7F3EA);border-radius:8px;}
.cl-title{font-size:15px;font-weight:600;color:var(--evergreen,#23483A);text-decoration:none;display:block;margin-bottom:3px;}
.cl-title:hover{text-decoration:underline;}
.cl-sku{font-size:12px;color:#8A9590;letter-spacing:.04em;}
.cl-price{font-size:14px;color:#5A6A60;margin-top:4px;}
.cl-sub{display:flex;flex-direction:column;align-items:flex-end;gap:9px;}

.qty-ctl{display:inline-flex;align-items:center;border:1px solid var(--line,#E3DCCB);border-radius:8px;overflow:hidden;}
.qty-ctl button{
  width:30px;height:30px;border:none;background:#fff;color:var(--evergreen,#23483A);
  font-size:16px;font-weight:700;cursor:pointer;line-height:1;
}
.qty-ctl button:hover{background:var(--ivory,#F7F3EA);}
.qty-ctl input{
  width:44px;height:30px;border:none;border-left:1px solid var(--line,#E3DCCB);
  border-right:1px solid var(--line,#E3DCCB);text-align:center;
  font-size:14px;font-weight:600;color:var(--evergreen,#23483A);
}
.qty-ctl input::-webkit-outer-spin-button,.qty-ctl input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}
.qty-ctl input[type=number]{-moz-appearance:textfield;}
.cl-remove{
  background:none;border:none;color:#8A9590;font-size:12.5px;cursor:pointer;
  text-decoration:underline;padding:0;
}
.cl-remove:hover{color:var(--red,#B6403A);}
.cl-total{font-size:16px;font-weight:700;color:var(--evergreen,#23483A);min-width:74px;text-align:right;}

.cart-empty{text-align:center;padding:64px 22px;}
.cart-empty .ce-icon{font-size:46px;margin-bottom:12px;}
.cart-empty h3{margin:0 0 8px;font-family:var(--serif,Georgia,serif);font-weight:400;font-size:22px;color:var(--evergreen,#23483A);}
.cart-empty p{color:#6B7A70;margin:0 0 22px;}

/* ---------- 汇总卡 ---------- */
.cart-summary{
  background:#fff;border:1px solid var(--line,#E3DCCB);border-radius:12px;
  padding:22px 24px;position:sticky;top:22px;
}
.cart-summary h3{
  margin:0 0 16px;font-size:15px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--evergreen,#23483A);
}
.sum-row{display:flex;justify-content:space-between;font-size:14.5px;padding:7px 0;color:#4A5A50;}
.sum-row.sum-total{
  border-top:1px solid var(--line,#E3DCCB);margin-top:10px;padding-top:14px;
  font-size:19px;font-weight:700;color:var(--evergreen,#23483A);
}
.sum-note{
  font-size:12.5px;color:#6B7A70;background:var(--ivory,#F7F3EA);
  border-radius:8px;padding:9px 12px;margin:14px 0 4px;line-height:1.55;
}
.sum-note.is-free{background:#EAF3EC;color:var(--evergreen,#23483A);}
.btn-checkout{width:100%;margin-top:16px;justify-content:center;}
.sum-back{display:block;text-align:center;margin-top:13px;font-size:13.5px;color:#6B7A70;text-decoration:none;}
.sum-back:hover{text-decoration:underline;}

/* ---------- 结算页 ---------- */
.checkout-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:34px;align-items:start;padding:46px 0 72px;}
@media (max-width:900px){.checkout-wrap{grid-template-columns:1fr;gap:26px;}}
.co-panel{background:#fff;border:1px solid var(--line,#E3DCCB);border-radius:12px;padding:26px 28px;margin-bottom:22px;}
.co-panel h3{
  margin:0 0 18px;font-size:15px;font-weight:700;letter-spacing:.05em;
  text-transform:uppercase;color:var(--evergreen,#23483A);
}
.co-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:560px){.co-grid{grid-template-columns:1fr;}}
.co-field{display:flex;flex-direction:column;gap:6px;}
.co-field.is-full{grid-column:1/-1;}
.co-field label{font-size:13px;font-weight:600;color:var(--evergreen,#23483A);}
.co-field input,.co-field select,.co-field textarea{
  padding:11px 13px;border:1px solid var(--line,#E3DCCB);border-radius:8px;
  font-size:14.5px;font-family:inherit;color:#2C3A32;background:#fff;
  transition:border-color .16s ease;
}
.co-field input:focus,.co-field select:focus,.co-field textarea:focus{
  outline:none;border-color:var(--evergreen,#23483A);
}
.co-demo-note{
  background:#FBF6EA;border:1px solid #E8D4A8;border-left:3px solid var(--gold,#C89A52);
  border-radius:8px;padding:13px 16px;font-size:13px;color:#6B5730;line-height:1.6;margin-bottom:20px;
}
.co-demo-note strong{color:#8A6524;}

/* ---------- 订单确认页 ---------- */
.confirm-wrap{max-width:720px;margin:0 auto;padding:56px 20px 80px;text-align:center;}
.confirm-icon{
  width:74px;height:74px;margin:0 auto 20px;border-radius:50%;
  background:#EAF3EC;display:flex;align-items:center;justify-content:center;font-size:36px;
}
.confirm-wrap h1{
  font-family:var(--serif,Georgia,serif);font-weight:400;font-size:clamp(24px,3vw,34px);
  color:var(--evergreen,#23483A);margin:0 0 10px;
}
.confirm-wrap .conf-sub{color:#6B7A70;margin:0 0 26px;font-size:15px;}
.confirm-box{
  background:#fff;border:1px solid var(--line,#E3DCCB);border-radius:12px;
  padding:24px 26px;text-align:left;margin-bottom:24px;
}
.confirm-row{display:flex;justify-content:space-between;padding:9px 0;font-size:14.5px;border-bottom:1px dashed var(--line,#E3DCCB);}
.confirm-row:last-child{border-bottom:none;}
.confirm-row .cr-k{color:#6B7A70;}
.confirm-row .cr-v{font-weight:700;color:var(--evergreen,#23483A);}
.confirm-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ---------- 评分位（预留，暂不渲染） ---------- */
.rating-slot{display:none;}

/* ---------- 价格区 ---------- */
.pd-price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;}
.price-compare{
  font-size:17px;color:#8A9590;text-decoration:line-through;
}
.price-compare:empty{display:none;}
.price-save-badge{
  display:none;background:var(--red,#B6403A);color:#fff;font-size:12px;font-weight:700;
  padding:3px 9px;border-radius:5px;letter-spacing:.03em;
}
.price-save-badge:empty{display:none;}