:root{
  --ink:#2f3943;
  --muted:#68727c;
  --line:#dfd8cd;
  --paper:#fffdf8;
  --bg:#f4f1ea;
  --soft:#ebe6dc;
  --accent:#4f7f59;
  --accent-2:#355d41;
  --danger:#b4533c;
  --shadow:0 12px 30px rgba(47,57,67,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-size:14px;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans TC","Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fbfaf6 0,#f1eee7 100%)}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0}
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 18px;background:rgba(251,250,246,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;gap:14px;align-items:center;min-width:0}.brand img{width:210px;max-width:32vw;height:auto}.brand h1{margin:0;font-size:22px;letter-spacing:.02em}.brand p{margin:3px 0 0;color:var(--muted);font-size:12px}.top-actions{display:flex;gap:8px;white-space:nowrap}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:18px;padding:18px;max-width:1500px;margin:0 auto 80px}.catalog,.cart-panel{background:rgba(255,253,248,.86);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.catalog{padding:16px}.cart-panel{position:sticky;top:88px;align-self:start;max-height:calc(100vh - 110px);display:flex;flex-direction:column;overflow:hidden}
.toolbar{display:grid;grid-template-columns:1fr 190px;gap:12px;margin-bottom:14px}.searchbox,.datebox,.field{display:flex;flex-direction:column;gap:6px}.searchbox span,.datebox span,.field span{font-size:11px;font-weight:600;color:var(--muted)}input,textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 13px;outline:none}input:focus,textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(47,57,67,.08)}
.tabs{display:flex;gap:8px;overflow:auto;padding-bottom:10px;margin-bottom:10px}.tabs button{flex:0 0 auto;padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:400}.tabs button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.bean-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.bean-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:14px;display:flex;flex-direction:column;gap:10px;min-height:220px}.bean-card h3{margin:0;font-size:16px;line-height:1.2}.en{font-size:11px;color:var(--muted);margin-top:2px}.meta{font-size:11px;color:var(--muted);line-height:1.45}.flavor{font-size:12px;line-height:1.45;min-height:38px}.badge-row{display:flex;gap:6px;flex-wrap:wrap}.badge{font-size:10.5px;font-weight:500;border-radius:999px;background:var(--soft);padding:4px 8px}.buy-buttons{margin-top:auto;display:grid;grid-template-columns:1fr 1fr;gap:7px}.buy-buttons button{border-radius:12px;background:var(--accent);color:#fff;padding:9px 8px;font-weight:400;line-height:1.2}.buy-buttons button.secondary{background:var(--ink)}.buy-buttons button.special{grid-column:span 2;background:var(--accent-2)}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--line)}.cart-head h2{margin:0;font-size:20px}.cart-head p{margin:2px 0 0;color:var(--muted);font-size:12px}.cart-items{padding:12px 16px;overflow:auto;flex:1}.cart-items.empty{color:var(--muted);display:flex;align-items:center;justify-content:center;min-height:120px}.cart-row{display:grid;grid-template-columns:1fr auto;gap:10px;border-bottom:1px dashed var(--line);padding:12px 0}.cart-row:last-child{border-bottom:0}.cart-title{font-weight:600}.cart-sub{font-size:11px;color:var(--muted);margin-top:3px}.qty{display:flex;align-items:center;gap:6px;justify-content:flex-end}.qty button,.ghost{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;font-weight:400}.qty button{width:34px;height:34px;padding:0}.price{text-align:right;font-weight:600;margin-top:6px}.remove{color:var(--danger);font-size:11px;background:transparent;padding:4px 0}.checkout{border-top:1px solid var(--line);padding:13px 15px;display:flex;flex-direction:column;gap:12px}.segmented{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.segmented button{border-radius:11px;border:1px solid var(--line);background:#fff;padding:9px 4px;font-weight:400}.segmented button.active{background:var(--ink);border-color:var(--ink);color:#fff}.totals{border-top:1px solid var(--line);padding-top:10px}.totals div{display:flex;justify-content:space-between;margin:5px 0}.totals .grand{font-size:20px}.primary{background:var(--ink);color:#fff;border-radius:14px;padding:13px 15px;font-weight:500;font-size:15px}.hint{font-size:11px;color:var(--muted);line-height:1.5;margin:0}.compact{padding:7px 9px}.mobile-cart{display:none;position:fixed;left:14px;right:14px;bottom:14px;z-index:40;background:var(--ink);color:#fff;border-radius:999px;padding:14px 17px;font-weight:500;box-shadow:var(--shadow)}

.primary:disabled{opacity:.45;cursor:not-allowed}
.primary.outline{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.saved-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);padding-top:4px}
.saved-head strong{font-weight:500;color:var(--ink)}
.saved-orders{border:1px solid var(--line);background:#fff;border-radius:12px;max-height:150px;overflow:auto}
.empty-saved{padding:12px;color:var(--muted);font-size:12px;text-align:center}
.saved-row{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;padding:9px 10px;border-bottom:1px dashed var(--line);font-size:12px}
.saved-row:last-child{border-bottom:0}
.saved-row strong{display:block;font-weight:500}
.saved-row span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.saved-row button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:6px 8px;color:var(--danger);font-weight:400}
.export-actions{display:grid;grid-template-columns:1fr auto;gap:8px}
@media (max-width:1180px){.bean-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.layout{grid-template-columns:minmax(0,1fr) 360px}}
@media (max-width:860px){.topbar{align-items:flex-start}.brand img{width:150px;max-width:42vw}.brand h1{font-size:18px}.brand p{display:none}.top-actions{flex-direction:column}.layout{display:block;padding:10px;margin-bottom:86px}.catalog{padding:12px}.toolbar{grid-template-columns:1fr}.bean-grid{grid-template-columns:1fr}.cart-panel{position:fixed;left:0;right:0;bottom:0;top:auto;z-index:35;max-height:82vh;border-radius:22px 22px 0 0;transform:translateY(calc(100% - 0px));transition:.22s ease}.cart-panel.open{transform:translateY(0)}.mobile-cart{display:block}.checkout{padding-bottom:calc(14px + env(safe-area-inset-bottom))}}
@media print{.topbar,.toolbar,.tabs,.cart-panel,.mobile-cart{display:none}.layout{display:block}.catalog{box-shadow:none;border:0}.bean-grid{grid-template-columns:repeat(3,1fr)}}

/* v2.4: 購物車固定呈現約 3 支商品，超過以捲動查看 */
.cart-items:not(.empty){
  flex:0 0 auto;
  min-height:246px;
  max-height:246px;
  overflow-y:auto;
}
.cart-row{min-height:82px}
@media (max-width:860px){
  .cart-items:not(.empty){min-height:238px;max-height:238px}
  .cart-row{min-height:79px}
}


/* v2.5: 手機/窄版購物車高度修正，確保儲存與匯出按鈕看得到 */
.cart-items:not(.empty){
  min-height:210px;
  max-height:210px;
}
.cart-row{min-height:70px;padding:9px 0}
.cart-title{font-size:13px}
.cart-sub,.remove{font-size:10.5px}
.qty button{width:30px;height:30px}
.checkout{gap:9px;padding:10px 14px}
.checkout .field{gap:4px}
.checkout input,.checkout textarea{padding:9px 11px}
.checkout textarea{min-height:54px}
.totals div{margin:3px 0}.totals .grand{font-size:18px}.primary{padding:11px 13px;font-size:14px}
.saved-orders{max-height:116px}
@media (max-width:860px){
  .cart-panel{max-height:calc(100dvh - 10px);overflow-y:auto;overscroll-behavior:contain}
  .cart-panel.open{transform:translateY(0)}
  .cart-items:not(.empty){min-height:205px;max-height:205px}
  .cart-row{min-height:68px;padding:8px 0}
  .checkout{padding-bottom:calc(10px + env(safe-area-inset-bottom))}
}
@media (max-height:720px){
  .cart-items:not(.empty){min-height:178px;max-height:178px}
  .cart-row{min-height:58px;padding:6px 0}
  .checkout{gap:7px}
  .saved-orders{max-height:82px}
}


/* v2.6: 購物車區整體縮小 90%，並增加折扣快速計算按鈕 */
.cart-panel{font-size:12.6px}
.cart-head{padding:13px 14px}
.cart-head h2{font-size:18px}
.cart-head p{font-size:10.8px}
.cart-items{padding:10px 14px}
.cart-title{font-size:12.2px;font-weight:500}
.cart-sub,.remove{font-size:9.8px}
.qty{gap:5px}
.qty button{width:27px;height:27px;border-radius:9px}
.price{font-size:12.4px;font-weight:500}
.checkout{padding:9px 13px;gap:8px}
.checkout .field span{font-size:9.9px}
.checkout input,.checkout textarea{font-size:12.6px;padding:8px 10px;border-radius:11px}
.checkout textarea{min-height:50px}
.segmented{gap:5px}
.segmented button{font-size:12.2px;padding:8px 3px;border-radius:10px}
.discount-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:6px;align-items:center}
.quick-discount{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 9px;font-size:11.4px;font-weight:400;white-space:nowrap}
.quick-discount:active{background:var(--soft)}
.totals{padding-top:8px}
.totals div{margin:2px 0;font-size:12.4px}
.totals .grand{font-size:16.2px}
.primary{font-size:12.6px;padding:10px 12px;border-radius:13px;font-weight:500}
.saved-head{font-size:10.8px}
.saved-orders{max-height:104px}
.saved-row{font-size:10.8px;padding:8px 9px}
.saved-row span{font-size:9.9px}
.saved-row button{font-size:10.8px;padding:5px 7px}
.export-actions{gap:7px}
.hint{font-size:9.9px}
.ghost.compact{font-size:11.4px;padding:6px 8px}
@media (max-height:720px){
  .cart-panel{font-size:12px}
  .cart-items:not(.empty){min-height:160px;max-height:160px}
  .checkout{gap:6px}
  .checkout textarea{min-height:44px}
  .saved-orders{max-height:72px}
}