:root{
  --primary:#1f3a34; --accent:#c98a3a; --ink:#23201c; --paper:#faf7f1;
  --card:#fff; --line:#e7e0d4; --muted:#7a7468; --good:#2e6b5e; --bad:#a33; --shadow:0 6px 24px rgba(31,40,52,.08);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Helvetica Neue',Arial,system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.45}
h1,h2{margin:0}
button{font:inherit;cursor:pointer}
.hidden{display:none!important}
.muted{color:var(--muted)}
a{color:var(--good)}

/* top bar */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:var(--primary);color:#fff;position:sticky;top:0;z-index:30}
.brandmark{display:flex;align-items:center;gap:12px}
.logo-dot{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#e7b56a);display:inline-block;box-shadow:inset 0 0 0 3px rgba(255,255,255,.18)}
.portal-name{font-weight:700;font-size:17px;letter-spacing:.2px}
.built-by{font-size:11px;opacity:.7;letter-spacing:.4px}
.cart-btn{background:var(--accent);color:#23201c;border:0;border-radius:999px;padding:9px 16px;font-weight:700;display:flex;align-items:center;gap:8px}
.cart-count{background:#23201c;color:#fff;border-radius:999px;min-width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;padding:0 6px}

/* steps */
.steps{display:flex;gap:8px;justify-content:center;padding:14px;flex-wrap:wrap}
.step{font-size:13px;color:var(--muted);padding:6px 14px;border-radius:999px;background:#efe9dd;border:1px solid transparent}
.step.is-active{color:#fff;background:var(--primary);border-color:var(--primary)}
.step.is-done{color:var(--good);background:#e6f0eb}

main{max-width:1060px;margin:0 auto;padding:8px 22px 80px}
.view{animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.h1{font-size:26px;font-weight:800;letter-spacing:-.4px}
.h2{font-size:17px;margin:26px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.sub{color:var(--muted);margin:6px 0 22px}

/* brand grid */
.brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.brand-card{background:var(--card);border:2px solid var(--line);border-radius:var(--radius);padding:18px;cursor:pointer;transition:.15s;box-shadow:var(--shadow)}
.brand-card:hover{transform:translateY(-2px)}
.brand-card.is-active{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,138,58,.18)}
.brand-card img{width:100%;height:auto;border-radius:8px;display:block}
.brand-card .tag{font-size:13px;color:var(--muted);margin-top:12px}

/* build head + filters */
.build-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font-size:13px;color:var(--ink)}
.chip.is-active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* compat banner */
.compat-banner{background:#e6f0eb;border:1px solid #bcd9cf;border-radius:12px;padding:12px 16px;margin:10px 0 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.compat-banner b{color:var(--good)}
.compat-banner button{background:transparent;border:1px solid var(--good);color:var(--good);border-radius:999px;padding:4px 12px;font-size:12px}

/* catalog grid */
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.card.compat-hit{border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,138,58,.25)}
.thumb{aspect-ratio:1/1;background:#f2ede3;display:flex;align-items:center;justify-content:center;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.thumb .ph{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);font-size:12px;text-align:center;padding:10px}
.thumb .ph .ph-sku{font-weight:700;color:#a99}
.card-body{padding:12px 13px;display:flex;flex-direction:column;gap:7px;flex:1}
.card-name{font-weight:700;font-size:14px;line-height:1.3}
.card-meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.badge{font-size:11px;border-radius:6px;padding:2px 7px;background:#efe9dd;color:#6b5}
.badge.finish{background:#e7eef0;color:#356}
.badge.cat{background:#efe9dd;color:#876}
.badge.sku{background:#f3e8e8;color:#955;font-weight:700}
.price{font-weight:800;color:var(--primary)}
.card-actions{display:flex;gap:6px;margin-top:auto}
.add-btn{flex:1;background:var(--primary);color:#fff;border:0;border-radius:9px;padding:9px;font-weight:700;font-size:13px}
.add-btn:disabled{opacity:.5}
.match-btn{background:#fff;border:1px solid var(--accent);color:var(--accent);border-radius:9px;padding:9px 10px;font-weight:700;font-size:13px}
.in-cart-pill{font-size:12px;color:var(--good);font-weight:700;text-align:center;padding:4px}

/* templates */
.label-toggle,.seg{display:inline-flex}
.label-toggle{gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:16px}
.seg{background:#fff;border:0;padding:9px 16px;font-weight:600;color:var(--muted)}
.seg.is-active{background:var(--primary);color:#fff}
.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.tmpl{border:2px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;cursor:pointer;text-align:left}
.tmpl.is-active{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,138,58,.18)}
.tmpl-preview{height:120px;display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;font-weight:700}
.tmpl-body{padding:10px 12px}
.tmpl-body .t{font-weight:700;font-size:14px}
.tmpl-body .d{font-size:12px;color:var(--muted);margin-top:4px}
.tmpl-body .s{font-size:11px;color:var(--good);margin-top:6px;font-weight:700}
.upload-box{border:2px dashed var(--line);border-radius:12px;padding:22px;background:#fff}
.hint{font-size:12px;color:var(--muted);margin:8px 0 0}
.file-name{font-weight:700;color:var(--good);margin-top:8px}

/* review cart + drawer items */
.review-cart,.drawer-items{display:flex;flex-direction:column;gap:10px}
.line{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.line .li-thumb{width:46px;height:46px;border-radius:8px;background:#f2ede3;flex:none;display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:10px;color:#a99;font-weight:700}
.line .li-thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.li-main{flex:1;min-width:0}
.li-name{font-weight:700;font-size:14px}
.li-sub{font-size:12px;color:var(--muted)}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:28px;height:28px;border-radius:7px;border:1px solid var(--line);background:#fff;font-weight:800}
.qty input{width:42px;text-align:center;border:1px solid var(--line);border-radius:7px;height:28px}
.li-total{font-weight:800;min-width:74px;text-align:right;color:var(--primary)}
.li-rm{background:none;border:0;color:var(--bad);font-size:18px;line-height:1}

/* issues */
.issues{background:#fbeaea;border:1px solid #e3b7b7;color:#7a2222;border-radius:12px;padding:12px 16px;font-size:14px}
.issues ul{margin:6px 0 0;padding-left:18px}

/* contact form */
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.contact-form label{display:flex;flex-direction:column;font-size:13px;font-weight:700;gap:6px;color:#5a5448}
.contact-form .full{grid-column:1/-1}
.contact-form input,.contact-form textarea{font:inherit;border:1px solid var(--line);border-radius:9px;padding:10px;background:var(--paper)}
.submit-btn{grid-column:1/-1;background:var(--accent);color:#23201c;border:0;border-radius:11px;padding:13px;font-weight:800;font-size:15px}
.submit-btn:disabled{opacity:.5}
.no-pay{grid-column:1/-1;font-size:12px;color:var(--muted);text-align:center;margin:2px 0 0}

/* drawer */
.drawer{position:fixed;top:0;right:0;width:min(420px,92vw);height:100vh;background:var(--paper);box-shadow:-8px 0 30px rgba(0,0,0,.18);z-index:50;display:flex;flex-direction:column;padding:18px}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.x{background:none;border:0;font-size:18px}
.drawer-items{flex:1;overflow:auto}
.drawer-foot{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:10px}
.drawer-foot .row{display:flex;justify-content:space-between;font-size:15px}
.scrim{position:fixed;inset:0;background:rgba(20,18,14,.4);z-index:40}
.empty{color:var(--muted);text-align:center;padding:40px 0}

/* confirmation */
.done-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow);max-width:620px;margin:20px auto}
.done-check{width:56px;height:56px;border-radius:50%;background:var(--good);color:#fff;font-size:30px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.done-summary{text-align:left;background:var(--paper);border-radius:12px;padding:14px 16px;margin:16px 0;font-size:14px}
.done-summary .r{display:flex;justify-content:space-between;padding:3px 0;border-bottom:1px dashed var(--line)}
.payload{text-align:left;margin-top:10px}
.payload pre{background:#23201c;color:#cfe8df;border-radius:10px;padding:14px;overflow:auto;font-size:12px;max-height:280px}
.ghost-btn{background:none;border:1px solid var(--primary);color:var(--primary);border-radius:10px;padding:10px 18px;font-weight:700;margin-top:14px}

.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;max-width:1060px;margin:0 auto;padding:18px 22px 40px;font-size:12px;color:var(--muted)}

@media(max-width:560px){
  .contact-form{grid-template-columns:1fr}
  .build-head{flex-direction:column;align-items:stretch}
}