:root {
  --bg: #0e1116; --panel: #161b22; --line: #272e37; --text: #e6edf3;
  --muted: #8b949e; --ok: #3fb950; --bad: #f85149; --accent: #58a6ff;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.55 -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 14px 22px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.topbar nav a { margin-left: 16px; text-decoration: none; font-size: 13px; }
.wrap { max-width: 1000px; margin: 0 auto; padding: 26px 20px 90px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 0 0 14px; }
p.sub, .muted { color: var(--muted); }
.mono, code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; }
.url { background: #0b0f14; border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; word-break: break-all; }
input, select, textarea { background: #0b0f14; color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font: inherit; }
button { background: var(--accent); color: #04121f; border: none; border-radius: 6px; padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; }
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
button:disabled { opacity: .5; cursor: not-allowed; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.chk { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.catalog { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.item { border: 1px solid var(--line); border-radius: 8px; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.item .price { color: var(--muted); }
.line { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--line); }
.total { display: flex; justify-content: space-between; padding-top: 12px; font-weight: 700; }
.status { margin-top: 14px; font-size: 13px; color: var(--muted); min-height: 20px; }
.status.err { color: var(--bad); }
.status.ok { color: var(--ok); }
.log { background: #0b0f14; border: 1px solid var(--line); border-radius: 8px; padding: 12px; max-height: 320px; overflow: auto; white-space: pre-wrap; margin: 0; }
.tag { font-size: 11px; padding: 2px 7px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }
.tag.ok { color: var(--ok); border-color: #1c3d24; }
.tag.bad { color: var(--bad); border-color: #4a1f1d; }
.evt { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; overflow: hidden; }
.evt summary { cursor: pointer; padding: 10px 12px; display: flex; gap: 10px; align-items: center; }
.evt pre { margin: 0; padding: 12px; background: #0b0f14; overflow: auto; max-height: 420px; }
.empty { color: var(--muted); padding: 8px 0; }
#checkout { --sb-field-border: 1px solid var(--line); --sb-field-radius: 8px; --sb-field-bg: #0b0f14; }