:root {
  --bg: #f6f2ea; --surface: #fffdf9; --ink: #1c2420; --muted: #667069; --line: #e3ddd0;
  --accent: #0f5a43; --accent-ink: #fff; --accent-soft: #e3efe9;
  --sale: #c2402a; --sale-soft: #fbe9e4; --ok: #1f7a4d; --warn: #a56b00;
  --radius: 14px; --nav-w: 248px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font); }
a { color: var(--accent); text-underline-offset: 3px; }
h1 { font-size: clamp(1.7rem, 2.6vw, 2.3rem); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 .6rem; }
h2 { font-size: 1.3rem; letter-spacing: -0.01em; margin: 2rem 0 .8rem; }
h3 { font-size: 1.02rem; margin: 1.2rem 0 .4rem; }
p { margin: .4rem 0 .8rem; }
small { font-size: .82rem; }
.muted { color: var(--muted); } .block { display: block; } .lead { font-size: 1.05rem; color: var(--muted); max-width: 60ch; }
.sale { color: var(--sale); }
.loading { color: var(--muted); } .error { color: #9b1c1c; background: #fdecec; padding: .6rem .8rem; border-radius: 10px; }
.note { background: var(--accent-soft); padding: .6rem .8rem; border-radius: 10px; font-size: .9rem; }
.note.sale { background: var(--sale-soft); color: #7d2616; } .note.ok { color: var(--ok); }
:focus-visible { outline: 3px solid #f0b429; outline-offset: 2px; border-radius: 6px; }

/* shell */
.shell { display: grid; grid-template-columns: var(--nav-w) 1fr; min-height: 100vh; }
.navtoggle, .topbar { display: none; }
.sidenav { position: sticky; top: 0; height: 100vh; overflow-y: auto; background: #12392d; color: #dfeae4; padding: 1.1rem .8rem; display: flex; flex-direction: column; gap: 1.2rem; }
.sidenav a { color: inherit; text-decoration: none; }
.brand { display: flex; gap: .7rem; align-items: center; padding: .3rem .5rem 0; }
.brand .logo { width: 38px; height: 38px; border-radius: 11px; background: #f6f2ea; color: var(--accent); display: grid; place-items: center; }
.brand strong { display: block; font-size: 1.1rem; letter-spacing: -0.01em; color: #fff; } .brand small { color: #9db8ac; }
.navgroup { display: flex; flex-direction: column; gap: 2px; }
.navlabel { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: #8fb0a2; padding: .2rem .7rem; }
.navgroup a { display: flex; align-items: center; gap: .7rem; padding: .55rem .7rem; border-radius: 10px; transition: background .12s; }
.navgroup a:hover { background: rgba(255,255,255,.08); }
.navgroup a.active { background: #f6f2ea; color: var(--accent); font-weight: 600; }
.navfoot { margin-top: auto; display: flex; flex-direction: column; gap: .6rem; }
.cartlink { display: flex; align-items: center; gap: .6rem; padding: .6rem .7rem; border-radius: 10px; background: rgba(255,255,255,.08); }
.pill, .cart-mini b { background: var(--sale); color: #fff; border-radius: 999px; padding: 0 .5rem; font-size: .78rem; }
.who { display: flex; justify-content: space-between; align-items: center; font-size: .86rem; padding: 0 .4rem; gap: .5rem; }
.linkbtn { background: none; border: 0; color: inherit; cursor: pointer; display: inline-flex; gap: .3rem; align-items: center; font: inherit; padding: .2rem; }
.content { padding: 2rem clamp(1rem, 3vw, 2.8rem) 4rem; max-width: 1180px; width: 100%; }
.icon { flex: none; }

/* hero + tiles */
.hero { background: linear-gradient(135deg, #0f5a43, #1d7d5d); color: #fff; border-radius: 22px; padding: clamp(1.5rem, 4vw, 3rem); margin-bottom: 1.4rem; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -60px; bottom: -80px; width: 320px; height: 320px; border: 36px solid rgba(255,255,255,.07); border-radius: 50%; }
.hero h1 { max-width: 20ch; font-size: clamp(1.9rem, 3.6vw, 3rem); } .hero p { max-width: 54ch; color: #d6eadf; }
.hero .eyebrow { color: #a9d8c4; } .actions { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: 1rem; position: relative; z-index: 1; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .8rem; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; transition: transform .12s, border-color .12s; }
.tile:hover { transform: translateY(-2px); border-color: var(--accent); } .tile span { color: var(--muted); font-size: .86rem; }
.sechead { display: flex; justify-content: space-between; align-items: baseline; }
.eyebrow { text-transform: uppercase; letter-spacing: .09em; font-size: .72rem; color: var(--muted); font-weight: 600; }

/* grid + cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; }
.grid.wide { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); } .grid.stores { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; text-decoration: none; color: var(--ink); transition: box-shadow .15s, transform .15s; }
a.card:hover { box-shadow: 0 10px 28px -14px rgba(18,57,45,.45); transform: translateY(-2px); }
.card .body { padding: .9rem 1rem 1rem; display: flex; flex-direction: column; gap: .3rem; flex: 1; } .card h3 { margin: 0; font-size: 1rem; line-height: 1.3; }
.card .spec { margin: 0; }
.art { aspect-ratio: 16 / 10; display: grid; place-items: center; color: rgba(255,255,255,.92); position: relative; text-decoration: none; background: #3c6e5c; }
.art.bike { background: linear-gradient(135deg, #2f6f58, #4f917a); } .art.ebike { background: linear-gradient(135deg, #1e5a76, #3b83a5); }
.art.part { background: linear-gradient(135deg, #6a5d4a, #92846d); } .art.accessory { background: linear-gradient(135deg, #8a4a3a, #b4705c); }
.art.big { aspect-ratio: 4 / 3; border-radius: 22px; } .art .corner { position: absolute; top: .6rem; left: .6rem; }
.badge { display: inline-block; font-size: .74rem; font-weight: 700; padding: .1rem .5rem; border-radius: 999px; }
.badge.sale { background: var(--sale); color: #fff; } .cond-badge { background: rgba(255,255,255,.92); color: var(--ink); text-transform: capitalize; }
.price { display: flex; flex-wrap: wrap; align-items: baseline; gap: .1rem .5rem; margin: .2rem 0; }
.price .now { font-size: 1.25rem; font-weight: 700; letter-spacing: -.01em; } .price.onsale .now { color: var(--sale); }
.price s { color: var(--muted); } .price small { flex-basis: 100%; color: var(--muted); }
.stock { font-size: .84rem; display: inline-flex; gap: .3rem; align-items: center; } .stock.ok { color: var(--ok); } .stock.none { color: var(--muted); }
.card .btn { margin-top: .5rem; }

/* buttons + forms */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .6rem 1.1rem; border-radius: 11px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; transition: background .12s, border-color .12s; }
.btn:hover { border-color: var(--accent); } .btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); } .btn.primary:hover { background: #0b4936; }
.hero .btn { border-color: rgba(255,255,255,.4); background: transparent; color: #fff; } .hero .btn.primary { background: #f6f2ea; color: var(--accent); }
.btn[disabled] { opacity: .5; cursor: not-allowed; } .btn.wide { width: 100%; margin-top: .6rem; }
.filters { display: flex; flex-wrap: wrap; gap: .8rem 1rem; align-items: end; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; margin: .8rem 0 1rem; }
.field { display: flex; flex-direction: column; gap: .25rem; font-size: .84rem; color: var(--muted); font-weight: 600; margin-bottom: .6rem; }
.filters .field { margin: 0; } .field.narrow { max-width: 180px; } .field.search { flex: 1 1 200px; }
.field-row { display: flex; gap: .8rem; flex-wrap: wrap; } .field-row .field { flex: 1 1 150px; }
input, select { font: inherit; color: var(--ink); background: #fff; border: 1px solid #cfc8b8; border-radius: 10px; padding: .55rem .7rem; min-height: 42px; width: 100%; }
input[type=checkbox], input[type=radio] { width: auto; min-height: 0; accent-color: var(--accent); }
.check { display: inline-flex; gap: .45rem; align-items: center; font-size: .9rem; min-height: 42px; }
.validation-message { color: #9b1c1c; font-size: .82rem; font-weight: 400; }
.buy { display: flex; gap: .8rem; align-items: end; margin: 1rem 0; } .buy .field { margin: 0; }
.units { list-style: none; padding: 0; margin: .6rem 0 1rem; display: grid; gap: .5rem; }
.units li { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); } .units li.sel { border-color: var(--accent); background: var(--accent-soft); }
.units label { display: flex; align-items: center; gap: .7rem; padding: .65rem .8rem; cursor: pointer; flex-wrap: wrap; } .units small { color: var(--muted); margin-left: auto; }
.cond { font-style: normal; font-size: .75rem; text-transform: capitalize; background: #ece6d8; border-radius: 999px; padding: .05rem .5rem; margin-left: .3rem; }

/* detail, tables, panels */
.detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 2rem; align-items: start; } .crumbs { color: var(--muted); font-size: .86rem; margin-bottom: .6rem; }
.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { padding: .7rem .9rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; } .table tr:last-child td { border-bottom: 0; }
.table th { font-size: .76rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); background: #faf7f0; } .table .num, th.num { text-align: right; white-space: nowrap; } .table.compact td, .table.compact th { padding: .5rem .8rem; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; margin: 0 0 1rem; } .panel legend { font-weight: 700; padding: 0 .4rem; } .stack { display: flex; flex-direction: column; }
.cartwrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 1.4rem; align-items: start; } .cols { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 1.4rem; align-items: start; }
.summary { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; position: sticky; top: 1rem; } .summary h3 { margin-top: 0; }
dl { display: grid; grid-template-columns: 1fr auto; gap: .3rem .8rem; margin: .6rem 0; } dt { color: var(--muted); } dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; } dt.total, dd.total { font-weight: 800; font-size: 1.1rem; color: var(--ink); border-top: 1px solid var(--line); padding-top: .4rem; }
.totals { max-width: 340px; margin-left: auto; margin-top: 1rem; }
.mini { list-style: none; padding: 0; margin: 0 0 .6rem; font-size: .88rem; } .mini li { display: flex; justify-content: space-between; gap: .6rem; padding: .25rem 0; }
.qty { display: inline-flex; align-items: center; gap: .5rem; } .qty button { width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--line); background: #fff; cursor: pointer; font: inherit; }
.choice { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .7rem; margin-bottom: 1rem; } .choice.small { grid-template-columns: repeat(3, 1fr); }
.choice label { display: flex; gap: .7rem; align-items: center; border: 1px solid var(--line); border-radius: 12px; padding: .8rem; cursor: pointer; } .choice label.sel { border-color: var(--accent); background: var(--accent-soft); } .choice small { display: block; color: var(--muted); }
.avail { list-style: none; padding: 0; margin: .4rem 0; font-size: .88rem; } .avail .ok { color: var(--ok); } .avail .none { color: #9b1c1c; }
.status { font-size: .76rem; font-weight: 700; text-transform: capitalize; padding: .1rem .55rem; border-radius: 999px; background: #ece6d8; vertical-align: middle; }
.status.paid, .status.delivered, .status.captured, .status.active, .status.readyforpickup { background: #dcefe4; color: #14633d; } .status.cancelled, .status.failed, .status.refunded, .status.expired { background: #fbe1dc; color: #8c2a19; } .status.shipped, .status.issued, .status.authorized { background: #e0eaf6; color: #1e4a7a; }
.banner { display: flex; gap: .8rem; align-items: center; padding: .9rem 1.1rem; border-radius: 12px; margin-bottom: 1rem; } .banner.ok { background: #dcefe4; color: #14633d; }
.empty { text-align: center; padding: 3rem 1rem; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: .6rem; }
.authcard { max-width: 460px; margin: 1rem auto; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 1.6rem; }
.code { font: 700 1.35rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; text-align: center; padding: 1rem; background: var(--accent-soft); border: 2px dashed var(--accent); border-radius: 12px; margin: 1rem 0; user-select: all; }

/* mobile */
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .topbar { display: flex; align-items: center; justify-content: space-between; padding: .6rem 1rem; background: #12392d; color: #fff; position: sticky; top: 0; z-index: 20; }
  .topbar a { color: #fff; text-decoration: none; display: flex; gap: .4rem; align-items: center; font-weight: 700; }
  .burger { display: grid; gap: 4px; cursor: pointer; padding: .4rem; } .burger span { width: 22px; height: 2px; background: #fff; display: block; }
  .sidenav { position: fixed; z-index: 30; inset: 0 auto 0 0; width: min(82vw, 300px); transform: translateX(-102%); transition: transform .2s; height: 100vh; }
  .navtoggle:checked ~ .sidenav { transform: none; box-shadow: 0 0 0 100vmax rgba(0,0,0,.4); }
  .detail, .cartwrap, .cols { grid-template-columns: 1fr; } .summary { position: static; } .choice.small { grid-template-columns: 1fr; }
  .table { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }