:root {
  --bg: #0B0D0C;
  --card: #161A18;
  --line: #262B28;
  --text: #F2F2F2;
  --muted: #8A928D;
  --accent: #C6FF00;
  --bad: #FF5C5C;
  --warn: #FFB300;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
header { display: flex; align-items: center; gap: 16px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
header .logo { color: var(--accent); font-weight: 800; letter-spacing: .02em; text-decoration: none; }
header .spacer { flex: 1; }
header form { margin: 0; }
main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 28px 0 8px; }
.muted { color: var(--muted); font-size: 14px; }
.num { font-variant-numeric: tabular-nums; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; margin-top: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.stat { font-size: 28px; font-weight: 700; color: var(--accent); }
.bad { color: var(--bad); }
.warn { color: var(--warn); }
.ok { color: var(--accent); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.btn, button { display: inline-block; background: var(--accent); color: #0B0D0C; border: 0; border-radius: 10px;
  padding: 10px 16px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn.ghost, button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
input, select { background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 10px; font: inherit; max-width: 100%; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }
.messages { list-style: none; padding: 0; margin: 0 0 16px; }
.messages li { padding: 10px 14px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); }
.messages .error { border-color: var(--bad); }
.mapping { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px 16px; }
.mapping label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
.login { max-width: 360px; margin: 10vh auto; }
.login p { display: flex; flex-direction: column; gap: 4px; }