:root {
  --bg: #0e1116;
  --surface: #161b22;
  --surface-2: #1c232c;
  --stroke: #2a323d;
  --text: #e6e9ee;
  --muted: #8a94a3;
  --accent: #4c8dff;
  --ok: #3fb96b;
  --warn: #d9a13c;
  --err: #e05d5d;
  font-size: 15px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}
main { max-width: 1080px; margin: 0 auto; padding: 24px 20px 64px; }
h1 { font-size: 22px; margin: 8px 0 4px; }
h2 { font-size: 15px; margin: 28px 0 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
a { color: var(--accent); text-decoration: none; }
code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; border-bottom: 1px solid var(--stroke); background: var(--surface);
}
.topbar nav { display: flex; align-items: center; gap: 14px; }
.topbar .user { color: var(--muted); font-size: 13px; }
.brand { font-weight: 700; font-size: 16px; color: var(--text); letter-spacing: 0.02em; }
.brand span { color: var(--accent); }
.brand.big { font-size: 26px; margin: 0; }
.inline { display: inline; margin: 0; }

button, .sso-btn {
  font: inherit; border-radius: 6px; padding: 7px 14px; cursor: pointer;
  border: 1px solid var(--stroke); background: var(--surface-2); color: var(--text);
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { background: var(--err); border-color: var(--err); color: #fff; }
button.ghost { background: transparent; }
button:disabled { opacity: 0.5; cursor: default; }

/* login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card {
  width: 360px; padding: 36px 32px; background: var(--surface);
  border: 1px solid var(--stroke); border-radius: 10px; text-align: center;
}
.login-form { display: flex; flex-direction: column; gap: 14px; margin-top: 22px; text-align: left; }
.login-form label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 5px; }
.login-form input {
  font: inherit; padding: 8px 10px; border-radius: 6px;
  border: 1px solid var(--stroke); background: var(--bg); color: var(--text);
}
.login-form input:focus { outline: none; border-color: var(--accent); }
.alert {
  margin-top: 16px; padding: 8px 12px; border-radius: 6px; font-size: 13px;
  background: rgba(224, 93, 93, 0.12); border: 1px solid var(--err); color: var(--err);
}
.divider { display: flex; align-items: center; gap: 10px; margin: 22px 0 14px; color: var(--muted); font-size: 12px; }
.divider::before, .divider::after { content: ""; flex: 1; border-top: 1px solid var(--stroke); }
.sso { display: flex; flex-direction: column; gap: 10px; }
.sso-btn { display: flex; align-items: center; justify-content: center; gap: 9px; color: var(--text); font-size: 14px; }
.sso-btn:hover { border-color: var(--accent); }

/* fleet cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; margin-top: 18px; }
.card {
  display: block; padding: 16px 18px; background: var(--surface);
  border: 1px solid var(--stroke); border-radius: 10px; color: var(--text);
}
.card:hover { border-color: var(--accent); }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.card .name { font-weight: 600; font-size: 16px; }
.badge { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.04em; }
.badge.ok { background: rgba(63, 185, 107, 0.15); color: var(--ok); }
.badge.warn { background: rgba(217, 161, 60, 0.15); color: var(--warn); }
.badge.err { background: rgba(224, 93, 93, 0.15); color: var(--err); }
dl { margin: 0; display: flex; flex-direction: column; gap: 3px; }
dl div, .kv div { display: flex; justify-content: space-between; gap: 12px; }
dt { color: var(--muted); font-size: 13px; }
dd { margin: 0; font-size: 13px; text-align: right; overflow-wrap: anywhere; }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px 28px;
      background: var(--surface); border: 1px solid var(--stroke); border-radius: 10px; padding: 14px 18px; }

/* strategy page */
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.crumb { font-size: 13px; color: var(--muted); }
.actions { display: flex; gap: 8px; }
.terminal {
  background: #0a0d12; border: 1px solid var(--stroke); border-radius: 8px;
  padding: 12px 14px; font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12.5px; white-space: pre-wrap; max-height: 320px; overflow: auto; margin-top: 16px;
}
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } }

table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--stroke); border-radius: 10px; overflow: hidden; font-size: 13px; }
th, td { padding: 7px 12px; text-align: left; border-bottom: 1px solid var(--stroke); }
th { color: var(--muted); font-weight: 500; font-size: 12px; background: var(--surface-2); }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.pos { color: var(--ok); }
td.neg { color: var(--err); }
td.wrap { overflow-wrap: anywhere; }

.empty {
  padding: 18px; background: var(--surface); border: 1px dashed var(--stroke);
  border-radius: 10px; color: var(--muted); font-size: 14px;
}