:root{--navy:#0b1f3a;--navy-2:#13294b;--emerald:#00b67a;--emerald-d:#009966;--gold:#f5b400;--red:#dc2626;--amber:#d97706;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f6f8fb;--card:#fff;--radius:12px}
*{box-sizing:border-box}
body{margin:0;font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:#0a66c2;text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:26px;margin:0 0 6px}h2{font-size:19px;margin:0 0 12px}h3{font-size:16px;margin:0 0 8px}
.muted{color:var(--muted)}.small{font-size:13px}
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.topbar .in{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:16px;padding:10px 16px}
.topbar img{height:40px;display:block}.topbar .grow{flex:1}
.topbar form{display:inline}
.wrap{max-width:1200px;margin:0 auto;padding:24px 16px}
.narrow{max-width:460px;margin:40px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.stat b{display:block;font-size:26px}.stat span{color:var(--muted);font-size:13px}
.btn{display:inline-block;border:1px solid transparent;border-radius:999px;padding:9px 18px;font-weight:600;font-size:14px;cursor:pointer;background:var(--navy);color:#fff;text-decoration:none!important;line-height:1.2}
.btn:hover{filter:brightness(1.1)}.btn.green{background:var(--emerald)}.btn.gold{background:var(--gold);color:var(--navy)}
.btn.ghost{background:#fff;color:var(--navy);border-color:var(--line)}.btn.red{background:var(--red)}.btn.sm{padding:5px 12px;font-size:13px}
.btn.link{background:none;color:#0a66c2;padding:0;border:0;font-weight:500}
label{display:block;font-weight:600;font-size:13px;margin:12px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;background:#fff}
textarea{min-height:96px}input:focus,select:focus,textarea:focus{outline:2px solid var(--emerald);border-color:transparent}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:400;font-size:14px}.check input{margin-top:4px}
.flash{padding:12px 16px;border-radius:10px;margin-bottom:12px;border:1px solid}
.flash.success{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}.flash.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.flash.warning{background:#fffbeb;border-color:#fde68a;color:#92400e}.flash.message,.flash.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;font-size:14px}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f8fafc}
.tablewrap{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;background:#e2e8f0;color:#334155;white-space:nowrap}
.pill.green{background:#d1fae5;color:#065f46}.pill.red{background:#fee2e2;color:#991b1b}.pill.amber{background:#fef3c7;color:#92400e}.pill.navy{background:var(--navy);color:#fff}
.layout{display:grid;grid-template-columns:230px 1fr;gap:24px;max-width:1200px;margin:0 auto;padding:24px 16px}
.side{position:sticky;top:76px;align-self:start}
.side a{display:flex;justify-content:space-between;padding:9px 12px;border-radius:8px;color:var(--ink);font-weight:500}
.side a:hover{background:#eef2f7;text-decoration:none}.side a.on{background:var(--navy);color:#fff}
.side .who{padding:10px 12px 14px;border-bottom:1px solid var(--line);margin-bottom:8px}
.stars{color:var(--gold);letter-spacing:1px}
.msg{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px;background:#fff}
.msg.MERCHANT{background:#ecfdf5;border-color:#a7f3d0}.msg.BOB_MEDIATOR{background:#eff6ff;border-color:#bfdbfe}.msg.BUYER{background:#fff}
.msg .h{font-size:12px;color:var(--muted);margin-bottom:4px}
.plan{border:2px solid var(--line);border-radius:16px;padding:22px;background:#fff;display:flex;flex-direction:column}
.plan.best{border-color:var(--emerald);box-shadow:0 8px 30px rgba(0,182,122,.15)}
.plan .price{font-size:34px;font-weight:800}.plan ul{padding-left:18px;flex:1}
code,pre{font-family:ui-monospace,Menlo,monospace;font-size:13px}pre{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:10px;overflow-x:auto;white-space:pre-wrap;word-break:break-all}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.right{margin-left:auto}
.inline{display:inline}
details summary{cursor:pointer;font-weight:600}
@media(max-width:820px){.layout{grid-template-columns:1fr}.side{position:static}.topbar img{height:32px}}