:root {
  --bg: #f4f6fa;
  --panel: #ffffff;
  --line: #e4e8ef;
  --text: #1c2536;
  --muted: #6b7788;
  --accent: #2563eb;
  --accent-soft: #eff4ff;
  --ok: #047857;
  --ok-soft: #ecfdf5;
  --warn: #b45309;
  --warn-soft: #fffbeb;
  --err: #b91c1c;
  --err-soft: #fef2f2;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 13px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  display: flex;
}
code, .mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 12px; }

/* ---- sidebar ---- */
.side {
  width: 232px; flex: 0 0 232px; background: #0f172a; color: #cbd5e1;
  display: flex; flex-direction: column; padding: 18px 14px; gap: 18px;
}
.brand { display: flex; gap: 10px; align-items: center; padding: 2px 6px 6px; }
.logo {
  width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg,#3b82f6,#6366f1);
  display: grid; place-items: center; font-weight: 700; color: #fff; font-size: 12px; letter-spacing: .5px;
}
.brand-name { color: #f8fafc; font-weight: 600; font-size: 14px; }
.brand-sub { color: #7f8ea3; font-size: 11px; }
#nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
#nav button {
  text-align: left; background: transparent; border: 0; color: #a9b6c8;
  padding: 9px 12px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
#nav button:hover { background: #1a2436; color: #e2e8f0; }
#nav button.active { background: #1e293b; color: #fff; box-shadow: inset 3px 0 0 #3b82f6; }
.side-foot { border-top: 1px solid #1e293b; padding-top: 12px; font-size: 11px; color: #64748b; }
.health { margin-bottom: 6px; color: #94a3b8; }
.health b { color: #4ade80; }
.health.bad b { color: #f87171; }

/* ---- main ---- */
main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  padding: 18px 26px; background: var(--panel); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.topbar h1 { margin: 0; font-size: 17px; font-weight: 600; }
.subtitle { color: var(--muted); font-size: 12px; margin-top: 2px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.view { padding: 22px 26px 40px; overflow: auto; }

/* ---- cards ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.card .k { color: var(--muted); font-size: 12px; }
.card .v { font-size: 26px; font-weight: 650; margin-top: 4px; letter-spacing: -.5px; }
.card .v.ok { color: var(--ok); }
.card .v.warn { color: var(--warn); }
.card .v.err { color: var(--err); }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  margin-top: 18px; overflow: hidden;
}
.panel-head {
  padding: 12px 16px; border-bottom: 1px solid var(--line); display: flex;
  align-items: center; justify-content: space-between; gap: 12px;
}
.panel-head h2 { margin: 0; font-size: 14px; font-weight: 600; }
.panel-body { padding: 14px 16px; }

/* ---- table ---- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; background: #fafbfd; position: sticky; top: 0; }
tbody tr:hover { background: #fafbff; }
tbody tr:last-child td { border-bottom: 0; }
.table-wrap { overflow: auto; max-height: 62vh; }

.badge {
  display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px;
  border: 1px solid transparent; white-space: nowrap;
}
.badge.gray { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }
.badge.blue { background: var(--accent-soft); color: #1d4ed8; border-color: #c7dbff; }
.badge.green { background: var(--ok-soft); color: var(--ok); border-color: #a7f3d0; }
.badge.amber { background: var(--warn-soft); color: var(--warn); border-color: #fde68a; }
.badge.red { background: var(--err-soft); color: var(--err); border-color: #fecaca; }

/* ---- forms ---- */
.btn {
  border: 1px solid var(--line); background: #fff; color: var(--text); border-radius: 8px;
  padding: 6px 12px; cursor: pointer; font-size: 12.5px;
}
.btn:hover { border-color: #c9d3e3; background: #f8fafc; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #1d4ed8; }
.btn.small { padding: 3px 9px; font-size: 12px; }
.btn.danger { color: var(--err); border-color: #fecaca; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 12px; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
input, select, textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font: inherit;
  color: var(--text); background: #fff; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #dbe6ff; border-color: #93b4f8; }
textarea { min-height: 74px; resize: vertical; }

/* ---- misc ---- */
.empty { padding: 34px; text-align: center; color: var(--muted); }
.muted { color: var(--muted); }
.mono-block {
  background: #0f172a; color: #cbd5e1; border-radius: 8px; padding: 10px 12px;
  white-space: pre-wrap; word-break: break-all; max-height: 260px; overflow: auto; font-size: 11.5px;
}
details summary { cursor: pointer; color: var(--accent); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

.modal { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: grid; place-items: center; z-index: 50; padding: 20px; }
.modal.hidden, .toast.hidden { display: none; }
.modal-box {
  background: #fff; border-radius: 12px; width: min(760px, 96vw); max-height: 88vh; overflow: auto;
  padding: 20px 22px; box-shadow: 0 20px 50px rgba(15,23,42,.28);
}
.modal-box h3 { margin: 0 0 14px; font-size: 15px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

.toast {
  position: fixed; right: 22px; bottom: 22px; background: #0f172a; color: #fff;
  padding: 10px 16px; border-radius: 9px; font-size: 12.5px; z-index: 60; max-width: 420px;
}
.toast.err { background: #b91c1c; }

.flow { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.flow .step {
  flex: 1 1 150px; border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; background: #fbfcfe;
}
.flow .step .n { font-size: 11px; color: var(--muted); }
.flow .step .t { font-weight: 600; margin-top: 2px; }
.flow .step .d { font-size: 11.5px; color: var(--muted); margin-top: 2px; }