:root {
  --bg: #f4f6f1; --panel: #ffffff; --ink: #1f2a1f; --muted: #5d6b5c; --line: #dde3d8;
  --brand: #2f6b3a; --brand-2: #4c8b4f; --accent: #b8860b;
  --ok: #2e7d32; --info: #1565c0; --warn: #b26a00; --crit: #c62828;
  --sim: #6a4fb3; --dev: #00796b; --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--ink); line-height: 1.55;
  font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  font-size: 15px;
}
header.top {
  background: var(--brand); color: #fff; padding: 10px 20px; display: flex; flex-wrap: wrap;
  align-items: center; gap: 8px 24px;
}
header.top .brand { font-weight: 700; font-size: 17px; letter-spacing: -0.2px; }
header.top .brand small { font-weight: 400; opacity: 0.85; margin-left: 8px; font-size: 12px; }
header.top nav { display: flex; gap: 4px; flex-wrap: wrap; }
header.top nav a {
  color: #e8f3e8; text-decoration: none; padding: 6px 12px; border-radius: 6px; font-size: 14px;
}
header.top nav a:hover { background: rgba(255,255,255,0.12); }
header.top nav a.active { background: #fff; color: var(--brand); font-weight: 600; }
main { max-width: 1280px; margin: 0 auto; padding: 16px; }
.banner {
  border-radius: var(--radius); padding: 10px 14px; margin-bottom: 14px; font-size: 14px;
  background: #efe9fb; border: 1px solid #d6cbf1; color: #3c2a78;
}
.banner.warn { background: #fff4e0; border-color: #f0d19a; color: #6b4300; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: 330px 1fr; }
.grid.half { grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .grid.two, .grid.half { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 16px; }
.grid > .panel, .grid > section > .panel:last-child { margin-bottom: 0; }
.grid { margin-bottom: 16px; }
.panel input, .panel select { width: 100%; }
.toolbar h2 { margin: 0 8px 0 0; }
.panel h2 { font-size: 16px; margin: 0 0 10px; }
.panel h3 { font-size: 14px; margin: 14px 0 8px; color: var(--muted); }
.muted { color: var(--muted); font-size: 13px; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.tree-card {
  display: block; width: 100%; text-align: left; border: 1px solid var(--line); background: #fbfcfa;
  border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; cursor: pointer; font: inherit; color: inherit;
}
.tree-card:hover { border-color: var(--brand-2); }
.tree-card.selected { border-color: var(--brand); box-shadow: 0 0 0 2px rgba(47,107,58,0.15); background: #fff; }
.tree-card .row { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.tree-card .id { font-weight: 700; font-family: var(--mono); }
.badge {
  display: inline-block; border-radius: 999px; padding: 1px 9px; font-size: 12px; font-weight: 600;
  border: 1px solid transparent; white-space: nowrap;
}
.badge.ok { background: #e6f4e7; color: var(--ok); border-color: #bfe0c1; }
.badge.info { background: #e5eefb; color: var(--info); border-color: #bcd2f2; }
.badge.warn { background: #fff1db; color: var(--warn); border-color: #f1cf96; }
.badge.crit { background: #fde7e7; color: var(--crit); border-color: #f2b9b9; }
.badge.sim { background: #efe9fb; color: var(--sim); border-color: #d6cbf1; }
.badge.dev { background: #e0f2f0; color: var(--dev); border-color: #b2dfd9; }
.badge.demo { background: #f3f0e3; color: #7a5c00; border-color: #e6dcb0; }
.alerts { list-style: none; padding: 0; margin: 0; }
.alerts li { padding: 7px 10px; border-radius: 6px; margin-bottom: 6px; font-size: 14px; border-left: 4px solid; }
.alerts li.crit { background: #fdf0f0; border-color: var(--crit); }
.alerts li.warn { background: #fff8eb; border-color: var(--warn); }
.alerts li.info { background: #eef4fc; border-color: var(--info); }
.alerts li.ok { background: #eef7ee; border-color: var(--ok); }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
th { background: #f6f8f4; font-weight: 600; color: var(--muted); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
.kv .item { background: #f8faf6; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.kv .item .k { font-size: 12px; color: var(--muted); }
.kv .item .v { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.chart-wrap { position: relative; width: 100%; height: 190px; margin-bottom: 6px; }
.chart-wrap canvas { width: 100%; height: 100%; display: block; }
.chart-title { font-size: 13px; font-weight: 600; margin: 10px 0 2px; }
.toolbar { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }
button, .btn {
  font: inherit; font-size: 14px; border-radius: 7px; border: 1px solid var(--brand); background: var(--brand);
  color: #fff; padding: 6px 14px; cursor: pointer;
}
button.secondary { background: #fff; color: var(--brand); }
button:disabled { opacity: 0.55; cursor: progress; }
button.tab { background: #fff; color: var(--brand); padding: 4px 10px; font-size: 13px; }
button.tab.active { background: var(--brand); color: #fff; }
input, select, textarea {
  font: inherit; font-size: 14px; border: 1px solid #c9d2c4; border-radius: 6px; padding: 6px 8px; background: #fff;
  color: var(--ink); max-width: 100%;
}
textarea { width: 100%; min-height: 64px; resize: vertical; }
label { font-size: 13px; color: var(--muted); display: block; margin: 8px 0 3px; }
.form-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
.form-row > div { flex: 1 1 140px; }
.advice-box {
  white-space: pre-wrap; background: #f7fbf6; border: 1px solid #cfe3cd; border-radius: 8px; padding: 12px;
  font-size: 14.5px; margin-top: 8px;
}
.error-box { background: #fdf0f0; border: 1px solid #f2b9b9; color: #8a1c1c; border-radius: 8px; padding: 10px; margin-top: 8px; }
.notice-box { background: #eef4fc; border: 1px solid #bcd2f2; color: #0d3c78; border-radius: 8px; padding: 10px; margin-top: 8px; }
.secret { font-family: var(--mono); background: #222; color: #9fe39f; padding: 6px 8px; border-radius: 6px; word-break: break-all; }
.twin-stage { position: relative; width: 100%; aspect-ratio: 4 / 3; max-height: 620px; }
.twin-stage canvas { width: 100%; height: 100%; display: block; border-radius: var(--radius); }
.legend { font-size: 13px; color: var(--muted); }
.legend li { margin-bottom: 3px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
.progress { height: 8px; background: #e7ece3; border-radius: 999px; overflow: hidden; margin: 8px 0; }
.progress > div { height: 100%; width: 0; background: var(--brand-2); transition: width 0.2s; }
details summary { cursor: pointer; font-weight: 600; font-size: 14px; }
footer { text-align: center; color: var(--muted); font-size: 12px; padding: 20px 10px 30px; }
.hidden { display: none !important; }
.scroll-x { overflow-x: auto; }
.big-number { font-size: 32px; font-weight: 800; color: var(--brand); font-variant-numeric: tabular-nums; }