/* 商店頁面樣式：沿用 style.css 的色票與字體，只新增商店用元件 */
.env-bar{background:#8b2d2d;color:#fff;text-align:center;font-size:12px;letter-spacing:.08em;padding:6px 12px}
.page{padding:clamp(32px,5vw,64px) var(--pad) clamp(64px,8vw,110px);max-width:1280px;margin:0 auto;min-height:60vh}
.page-head{margin-bottom:32px}
.crumbs{font-size:12px;letter-spacing:.08em;color:var(--gray);margin-bottom:18px}.crumbs a{border-bottom:1px solid var(--line)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 按鈕 */
.btn-dark,.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 30px;font:inherit;font-size:13px;letter-spacing:.2em;cursor:pointer;border:1px solid var(--ink);transition:background .35s var(--ease),color .35s var(--ease),opacity .35s}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover:not(:disabled){background:var(--brown);border-color:var(--brown)}
.btn-line{background:transparent;color:var(--ink)}.btn-line:hover:not(:disabled){background:var(--ink);color:#fff}
.btn-dark:disabled,.btn-line:disabled{opacity:.4;cursor:not-allowed}
.btn-block{width:100%}

/* 狀態訊息 */
.state{padding:48px 0;text-align:center;color:var(--gray)}
.state h2{font-size:20px;letter-spacing:.04em;color:var(--ink);margin-bottom:8px}
.state .btn-dark,.state .btn-line{margin-top:20px}
.alert{padding:14px 16px;border:1px solid var(--line);background:#fff;font-size:14px;margin:0 0 20px}
.alert.warn{border-color:#d9b36a;background:#fbf5e6}.alert.err{border-color:#c98a8a;background:#fbeeee;color:#7a2222}.alert.ok{border-color:#9bb89b;background:#eef6ee;color:#274a27}
.skeleton{background:linear-gradient(90deg,#eee8dd,#f6f1e8,#eee8dd);background-size:200% 100%;animation:sk 1.4s infinite;aspect-ratio:4/5}
@keyframes sk{to{background-position:-200% 0}}

/* 商品列表 */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chip{min-height:40px;padding:0 18px;border:1px solid var(--line);background:#fff;font:inherit;font-size:13px;letter-spacing:.08em;cursor:pointer;transition:all .3s var(--ease)}
.chip:hover:not(:disabled){border-color:var(--ink)}
.chip[aria-pressed="true"],.chip.sel{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip:disabled{opacity:.35;cursor:not-allowed;text-decoration:line-through}
.pgrid{display:grid;gap:20px 14px;grid-template-columns:1fr 1fr}
.pcard{display:block}.pcard h3{font-size:14px;font-weight:500;margin-top:12px}
.pcard:hover .media svg,.pcard:hover .media img{transform:scale(1.05)}
.soldout{position:absolute;inset:auto 12px 12px auto;background:#fff;color:var(--ink);font-size:11px;letter-spacing:.14em;padding:4px 10px}

/* 商品詳情 */
.pd{display:grid;gap:32px}
.pd-info h1{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:.02em;line-height:1.2;margin-bottom:10px}
.pd-price{font-size:20px;margin-bottom:20px}
.pd-desc{color:#3b342d;margin-bottom:26px;white-space:pre-line}
.opt{margin-bottom:22px}.opt-label{font-size:12px;letter-spacing:.2em;color:var(--gray);margin-bottom:10px}
.opt-row{display:flex;flex-wrap:wrap;gap:8px}
.stock-msg{font-size:13px;color:var(--brown);min-height:22px;margin-bottom:12px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);background:#fff}
.qty button{width:40px;height:40px;border:0;background:none;font-size:18px;cursor:pointer}.qty button:disabled{opacity:.3;cursor:not-allowed}
.qty output{min-width:36px;text-align:center;font-size:14px}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* 購物車 */
.lines{border-top:1px solid var(--line)}
.line{display:grid;grid-template-columns:84px 1fr;gap:14px 16px;padding:20px 0;border-bottom:1px solid var(--line)}
.line .media{aspect-ratio:4/5}
.line h3{font-size:15px;font-weight:600}.line .meta{font-size:13px;color:var(--gray)}
.line-bot{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;margin-top:10px}
.link-btn{background:none;border:0;padding:6px 0;font:inherit;font-size:12px;letter-spacing:.14em;color:var(--gray);border-bottom:1px solid currentColor;cursor:pointer}
.line.bad{opacity:.85}.line .warn-text{font-size:13px;color:#a03030;margin-top:4px}
.summary{background:#fff;border:1px solid var(--line);padding:22px;margin-top:28px}
.summary dl{margin:0;display:grid;grid-template-columns:1fr auto;gap:10px 16px;font-size:14px}
.summary dt{color:var(--gray)}.summary dd{margin:0;text-align:right}
.summary .total{font-size:18px;font-weight:700;color:var(--ink);padding-top:12px;border-top:1px solid var(--line)}
.summary .total+dd{padding-top:12px;border-top:1px solid var(--line);font-size:18px;font-weight:700}
.two{display:grid;gap:32px}

/* 表單 */
.form fieldset{border:0;padding:0;margin:0 0 30px}.form legend{font-size:12px;letter-spacing:.24em;color:var(--brown);margin-bottom:14px;padding:0}
.field{margin-bottom:16px}.field label{display:block;font-size:13px;margin-bottom:6px}.field .req{color:#a03030}
.field input[type=text],.field input[type=tel],.field input[type=email],.field input[type=password],.field textarea,.field select{width:100%;min-height:46px;padding:10px 12px;border:1px solid #cfc8bb;background:#fff;font:inherit;font-size:15px;border-radius:0}
.field textarea{min-height:84px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--brown);outline-offset:1px}
.field.invalid input,.field.invalid textarea{border-color:#c05050}
.field-err{color:#a03030;font-size:12px;margin-top:4px;min-height:0}
.hint{font-size:12px;color:var(--gray);margin-top:4px}
.radio{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);background:#fff;margin-bottom:8px;cursor:pointer}
.radio input{margin-top:4px}.radio.off{opacity:.5;cursor:not-allowed;background:#f4f0e8}
.radio small{display:block;color:var(--gray);font-size:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* 訂單結果 */
.ok-title{font-size:clamp(26px,4vw,40px);font-weight:800;margin:6px 0 10px}
.orderno{display:inline-block;font:600 18px/1 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.06em;padding:10px 14px;background:#fff;border:1px dashed var(--brown);margin:6px 0 14px;user-select:all}
.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.table th{font-size:12px;letter-spacing:.12em;color:var(--gray)}
.scroll-x{overflow-x:auto}
.status{display:inline-block;padding:2px 10px;font-size:12px;border:1px solid var(--ink);letter-spacing:.08em}
.order-card{background:#fff;border:1px solid var(--line);padding:18px;margin-bottom:16px}
.order-card h3{font-size:15px;margin-bottom:6px}.order-card .row{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:13px;color:#3b342d}

@media (min-width:640px){.pgrid{grid-template-columns:repeat(3,1fr);gap:28px 18px}.line{grid-template-columns:110px 1fr}}
@media (min-width:1000px){.pgrid{grid-template-columns:repeat(4,1fr)}.pd{grid-template-columns:1.05fr 1fr;gap:64px;align-items:start}.pd-media{position:sticky;top:96px}.two{grid-template-columns:1.2fr 1fr;gap:56px;align-items:start}.two .summary{margin-top:0;position:sticky;top:96px}}
@media (max-width:860px){.page{padding-top:28px}}