:root {
  --bg: #0e1116;
  --surface: #161a22;
  --surface-2: #1d222c;
  --border: #2a313d;
  --text: #e6e9ef;
  --muted: #8a93a3;
  --accent: #4f9cff;
  --accent-strong: #1f6dff;
  --success: #34c38a;
  --danger: #e35b5b;
  --warn: #f1b04c;
  --radius: 10px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--font); }
a { color: var(--accent); }
.muted { color: var(--muted); }
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-inner { max-width: 880px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; gap: 12px; }
.brand { font-weight: 700; letter-spacing: 0.5px; }
.env-pill { margin-left: auto; background: var(--warn); color: #1c1300; font-size: 12px; padding: 4px 10px; border-radius: 999px; font-weight: 600; }
.layout { max-width: 880px; margin: 0 auto; padding: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; }
.card h1 { margin-top: 0; }
.card h2 { margin-top: 0; font-size: 18px; }
.button { background: var(--accent); color: white; border: 0; padding: 10px 16px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; }
.button:hover { background: var(--accent-strong); }
.button[disabled] { background: var(--surface-2); color: var(--muted); cursor: not-allowed; }
.button.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.input, .select { width: 100%; background: var(--surface-2); border: 1px solid var(--border); color: var(--text); padding: 10px 12px; border-radius: 8px; font-size: 14px; }
.row { display: flex; gap: 12px; }
.row > * { flex: 1; }
.banner { border-radius: 8px; padding: 10px 14px; font-size: 14px; margin-bottom: 12px; }
.banner.warn { background: rgba(241,176,76,0.10); border: 1px solid rgba(241,176,76,0.4); color: #f1b04c; }
.banner.danger { background: rgba(227,91,91,0.10); border: 1px solid rgba(227,91,91,0.4); color: var(--danger); }
.banner.ok { background: rgba(52,195,138,0.10); border: 1px solid rgba(52,195,138,0.4); color: var(--success); }
.kv { display: grid; grid-template-columns: 180px 1fr; row-gap: 6px; column-gap: 12px; font-size: 14px; }
.kv .k { color: var(--muted); }
.kv .v { font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Menlo, monospace; word-break: break-all; }
.spinner { width: 16px; height: 16px; border: 2px solid var(--muted); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; display: inline-block; vertical-align: middle; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
.footer { max-width: 880px; margin: 24px auto; padding: 16px 24px 32px; text-align: center; }
.list-reset { list-style: none; padding: 0; margin: 0; }
.tag { display: inline-block; background: var(--surface-2); border: 1px solid var(--border); padding: 2px 8px; border-radius: 999px; font-size: 12px; color: var(--muted); }