:root{--bg:#f6f8fb;--card:#fff;--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--brand:#2563eb;--brand-d:#1d4ed8;--ok:#16a34a;--bad:#dc2626;--warn:#f59e0b;--radius:12px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.45}
a{color:var(--brand)}
img{max-width:100%;display:block}
/* test/live mode: html.live is set by the server (live Stripe mode) and by common.js from /api/config */
html.live .test-only{display:none!important}
html:not(.live) .live-only{display:none!important}
.test-banner{background:#fef3c7;color:#92400e;border-bottom:1px solid #fcd34d;text-align:center;padding:8px 12px;font-weight:600;font-size:14px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .inner{max-width:1100px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}
.brand img{width:30px;height:30px}
nav.main{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
nav.main a{text-decoration:none;color:var(--ink);padding:8px 12px;border-radius:8px;font-weight:500}
nav.main a:hover,nav.main a.active{background:#eff6ff;color:var(--brand)}
.badge{display:inline-block;min-width:20px;padding:0 6px;border-radius:999px;background:var(--brand);color:#fff;font-size:12px;text-align:center;line-height:20px;margin-left:4px}
main{max-width:1100px;margin:0 auto;padding:20px 16px 60px}
h1{font-size:28px;margin:8px 0 4px}h2{font-size:20px;margin:0 0 12px}
.sub{color:var(--muted);margin:0 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.card .body{padding:14px 16px 16px}
.product img{aspect-ratio:4/3;width:100%;object-fit:cover;background:#eef2f7}
.product h3{margin:0 0 4px;font-size:18px}
.product .desc{color:var(--muted);font-size:14px;margin:0 0 10px;min-height:40px}
.price{font-weight:700;font-size:18px}
.opts{display:grid;grid-template-columns:3fr 2fr;gap:8px 10px;margin:10px 0}
.opts .full{grid-column:1/-1}
label{display:block;font-size:13px;font-weight:600;color:#374151;margin-bottom:3px}
input,select,textarea{width:100%;font:inherit;font-size:16px;padding:9px 10px;border:1px solid #d1d5db;border-radius:8px;background:#fff;color:var(--ink)}
textarea{resize:vertical;min-height:60px}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--brand)}
.invalid input,.invalid select,.invalid textarea,input.invalid{border-color:var(--bad);background:#fef2f2}
.err{color:var(--bad);font-size:13px;min-height:0;margin-top:3px}
.hint{color:var(--muted);font-size:12px;margin-top:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-weight:600;border:1px solid transparent;border-radius:8px;padding:10px 16px;cursor:pointer;background:var(--brand);color:#fff;text-decoration:none;min-height:42px}
.btn:hover{background:var(--brand-d)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn.secondary{background:#fff;color:var(--ink);border-color:#d1d5db}.btn.secondary:hover{background:#f3f4f6}
.btn.danger{background:#fff;color:var(--bad);border-color:#fecaca}.btn.danger:hover{background:#fef2f2}
.btn.small{padding:6px 10px;min-height:34px;font-size:14px}
.btn.block{width:100%}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:20px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}
.summary .line{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14px}
.summary .line:last-child{border-bottom:0}
.summary .total{font-weight:800;font-size:18px}
.muted{color:var(--muted)}
.small{font-size:13px}
.alert{padding:12px 14px;border-radius:10px;margin:0 0 14px;font-size:14px}
.alert.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert.ok{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.alert.info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.hidden{display:none!important}
/* cart drawer */
.drawer-bg{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:40}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,100%);background:#fff;z-index:50;display:flex;flex-direction:column;box-shadow:-8px 0 30px rgba(0,0,0,.15)}
.drawer header{display:flex;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line)}
.drawer header h2{margin:0}
.drawer .items{flex:1;overflow:auto;padding:8px 16px}
.drawer footer{border-top:1px solid var(--line);padding:14px 16px}
.cart-item{display:grid;grid-template-columns:64px 1fr auto;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);align-items:start}
.cart-item img{width:64px;height:48px;object-fit:cover;border-radius:6px;background:#eef2f7}
.cart-item .meta{font-size:12px;color:var(--muted);word-break:break-word}
.qty{display:inline-flex;align-items:center;border:1px solid #d1d5db;border-radius:8px;overflow:hidden;margin-top:6px}
.qty button{border:0;background:#f3f4f6;width:32px;height:30px;font-size:16px;cursor:pointer}
.qty span{min-width:32px;text-align:center;font-size:14px}
.linkbtn{background:none;border:0;color:var(--bad);cursor:pointer;font-size:13px;padding:4px 0}
.toast{position:fixed;left:50%;top:16px;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 16px;border-radius:10px;z-index:60;font-size:14px;box-shadow:0 8px 20px rgba(0,0,0,.2);max-width:calc(100% - 32px)}
/* timeline */
.timeline{display:flex;justify-content:space-between;position:relative;margin:24px 0 10px;padding:0}
.timeline::before{content:"";position:absolute;top:15px;left:12%;right:12%;height:4px;background:var(--line)}
.timeline .bar{position:absolute;top:15px;left:12%;height:4px;background:var(--ok);transition:width .3s}
.step{flex:1;text-align:center;position:relative;z-index:1;list-style:none}
.step .dot{width:34px;height:34px;border-radius:50%;margin:0 auto 6px;background:#fff;border:4px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--muted);font-size:14px}
.step.done .dot{background:var(--ok);border-color:var(--ok);color:#fff}
.step.current .dot{box-shadow:0 0 0 5px #bbf7d0}
.step .lbl{font-weight:600;font-size:14px}.step .when{font-size:12px;color:var(--muted)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}
.tracking-box{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;padding:10px 14px;margin:10px 0;font-weight:600}
.big-id{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:26px;font-weight:800;letter-spacing:1px;background:#eff6ff;border:1px dashed #93c5fd;border-radius:10px;padding:10px 16px;display:inline-block;margin:6px 0 12px;word-break:break-all}
/* admin */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs button{background:none;border:0;padding:10px 14px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent}
.tabs button.active{color:var(--brand);border-bottom-color:var(--brand)}
table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f9fafb;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700}
.pill.Received{background:#e0e7ff;color:#3730a3}.pill.Printing{background:#fef3c7;color:#92400e}.pill.Shipped{background:#dbeafe;color:#1e40af}.pill.Delivered{background:#dcfce7;color:#166534}
.order-detail{background:#f9fafb}
.order-detail .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.order-detail ul{margin:4px 0;padding-left:18px}
.email-list{display:grid;grid-template-columns:300px 1fr;gap:16px}
.email-list .list button{display:block;width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin-bottom:6px;cursor:pointer;font-size:13px;word-break:break-all}
.email-list .list button.active{border-color:var(--brand);background:#eff6ff}
pre.eml{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:10px;overflow:auto;white-space:pre-wrap;word-break:break-word;font-size:13px;max-height:70vh;margin:0}
.login{max-width:380px;margin:40px auto}
footer.site{text-align:center;color:var(--muted);font-size:13px;padding:20px}
@media (max-width:860px){.layout{grid-template-columns:1fr}.email-list{grid-template-columns:1fr}}
@media (max-width:560px){
  h1{font-size:23px}.grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}
  header.site .inner{gap:6px;padding:8px 12px}nav.main{margin-left:0;width:100%;justify-content:space-between}nav.main a{padding:6px 8px;font-size:15px}
  .step .lbl{font-size:12px}.step .when{font-size:10px}.big-id{font-size:20px}
  .admin-table thead{display:none}.admin-table tr.order-row{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
  .admin-table tr.order-row td{border:0;padding:6px 10px}.admin-table td[data-l]::before{content:attr(data-l);display:block;font-size:11px;color:var(--muted);text-transform:uppercase}
  .admin-table tr.order-detail td{display:block}
}
.mt14{margin-top:14px}.mt18{margin-top:18px}.mt20{margin-top:20px}.mb12{margin-bottom:12px}.center{text-align:center}.pad20{padding:20px}.strong{font-weight:600}
.narrow{max-width:720px;margin:0 auto}.narrow-main{max-width:820px}.w340{max-width:340px}.w180{max-width:180px}
label.mt14{margin-top:14px}
footer.site .foot-links{display:flex;justify-content:center;gap:16px;margin-top:8px;flex-wrap:wrap}
footer.site .foot-links a{color:var(--muted);font-weight:600;text-decoration:none}footer.site .foot-links a:hover{color:var(--brand);text-decoration:underline}
/* 5-item main nav (Shop · Custom part · Track order · Learn · Cart) stays on one line on phones */
@media (max-width:440px){nav.main{gap:2px}nav.main a{padding:6px 5px;font-size:14px;white-space:nowrap}}
@media (max-width:340px){nav.main a{padding:5px 3px;font-size:13px}}