:root {
  --bg: #1a1b1d;
  --panel: #222427;
  --panel-high: #2a2d31;
  --overlay: rgba(224, 226, 242, 0.06);
  --overlay-2: rgba(224, 226, 242, 0.12);
  --line: rgba(224, 226, 242, 0.1);
  --line-2: rgba(224, 226, 242, 0.16);
  --text: #d1d3db;
  --muted: #a3a7b3;
  --accent: #32f08c;
  --accent-border: color-mix(in srgb, #32f08c 62%, transparent);
  --accent-popup: rgba(50, 240, 140, 0.12);
  --accent-hi: #e5fff2;
  --danger: #f65a5a;
  --ok: #33c192;
  --warn: #d27e24;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
}

code { background: var(--overlay); padding: 1px 5px; border-radius: 4px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.brand { font-weight: 600; letter-spacing: .4px; }
.who { color: var(--muted); font-size: 13px; }
.top-actions { display: flex; align-items: center; gap: 12px; }

main { padding: 24px; max-width: 1280px; margin: 0 auto; }

.login {
  max-width: 360px;
  margin: 60px auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px;
}

.login h2 { margin: 0 0 4px; font-size: 18px; }
.hint { color: var(--muted); font-size: 12px; margin: 0 0 18px; }

form label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 13px; }
form label input { display: block; width: 100%; margin-top: 4px; }

input, select, textarea, button {
  font: inherit;
  color: var(--text);
  background: var(--panel-high);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 10px;
  outline: none;
}

input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { width: 100%; font-family: Consolas, monospace; font-size: 13px; resize: vertical; }

button { cursor: pointer; background: var(--overlay); }
button:hover { border-color: var(--accent); }
button.primary, form > button {
  background: var(--accent-popup);
  border-color: var(--accent-border);
  color: var(--accent);
}
button.primary:hover, form > button:hover {
  border-color: var(--accent);
  color: var(--accent-hi);
}
button.primary:active, form > button:active {
  background: var(--accent-popup);
  filter: brightness(.92);
}
button.ghost { background: var(--overlay); border-color: var(--line); }
button.ghost:hover { background: var(--overlay-2); border-color: var(--line-2); }
button.danger { color: var(--danger); border-color: rgba(246, 90, 90, 0.35); }
button.danger:hover { border-color: var(--danger); }
button.mini { padding: 3px 8px; font-size: 12px; }

.tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.tabs button { padding: 8px 16px; }
.tabs button.active { background: var(--panel); border-color: var(--accent); }
.tabs #logout { margin-left: auto; }

button.link { background: none; border: none; color: var(--accent); padding: 6px 0; text-align: left; }
button.link:hover { border-color: transparent; text-decoration: underline; }

.chart-box {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-high);
  padding: 14px;
  margin-bottom: 14px;
  overflow: auto;
}
.chart-box svg { display: block; width: 100%; height: auto; }
.chart-legend { display: flex; gap: 16px; color: var(--muted); font-size: 12px; margin-top: 8px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat { background: var(--panel-high); border: 1px solid var(--line); border-radius: 6px; padding: 12px; }
.stat b { display: block; font-size: 20px; margin-top: 4px; }
.stat span { color: var(--muted); font-size: 12px; }

.bar-row { display: grid; grid-template-columns: 120px 1fr 80px; gap: 10px; align-items: center; margin: 8px 0; color: var(--muted); font-size: 12px; }
.bar { height: 10px; background: var(--overlay); border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, rgba(50, 240, 140, 0.4), var(--accent)); }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 18px; }

.row { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.row input[type="number"] { width: 96px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

h3 { margin: 0 0 12px; font-size: 15px; }
h4 { margin: 18px 0 10px; font-size: 14px; color: var(--muted); font-weight: 500; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 6px; }
.table-wrap.small { max-height: 320px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; background: var(--panel); position: sticky; top: 0; }
tr:last-child td { border-bottom: none; }
td.wrap { white-space: normal; }
.mono { font-family: Consolas, monospace; font-size: 12px; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.badge.ok { color: var(--ok); border-color: rgba(51, 193, 146, 0.3); }
.badge.warn { color: var(--warn); border-color: rgba(210, 126, 36, 0.3); }
.badge.bad { color: var(--danger); border-color: rgba(246, 90, 90, 0.3); }

.error { color: var(--danger); font-size: 12px; margin-top: 8px; min-height: 16px; }
.callout { background: var(--panel-high); border: 1px dashed var(--line); border-radius: 6px; padding: 10px 12px; margin-bottom: 14px; font-family: Consolas, monospace; font-size: 12px; white-space: pre-wrap; }
.subpanel { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
.stack { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.stack input, .stack select { width: 100%; }
.inline { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.muted { color: var(--muted); }