:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #1d2330;
  --muted: #6b7385;
  --border: #e1e4ea;
  --primary: #2459d6;
  --primary-weak: #e8eefc;
  --danger: #c62f2f;
  --danger-weak: #fdeceb;
  --warn: #b26a00;
  --warn-weak: #fff4e0;
  --ok: #1d7a46;
  --ok-weak: #e5f5ec;
  --side: #1b2233;
  --side-text: #c9cfdc;
  --radius: 8px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c;
    --panel: #1a1e27;
    --text: #e3e6ee;
    --muted: #9099ad;
    --border: #2b3140;
    --primary: #6d95f5;
    --primary-weak: #1f2a45;
    --danger: #ef6b6b;
    --danger-weak: #3a1f22;
    --warn: #f0a83a;
    --warn-weak: #3a2d17;
    --ok: #4cc283;
    --ok-weak: #173226;
    --side: #0d1017;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
pre { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 10px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }

.layout { display: flex; min-height: 100vh; }
.side { width: 220px; background: var(--side); color: var(--side-text); flex-shrink: 0; padding: 16px 0; }
.side .brand { color: #fff; font-weight: 700; padding: 0 20px 4px; font-size: 15px; }
.side .host { padding: 0 20px 16px; font-size: 11.5px; color: #8790a5; word-break: break-all; }
.side nav a { display: flex; justify-content: space-between; align-items: center; color: var(--side-text); padding: 8px 20px; }
.side nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.side nav a.active { background: rgba(255,255,255,.1); color: #fff; border-left: 3px solid var(--primary); padding-left: 17px; }
.side .section { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #6c7488; padding: 14px 20px 4px; }
.side .badge { background: var(--danger); color: #fff; }
.main { flex: 1; min-width: 0; }
.topbar { display: flex; justify-content: flex-end; align-items: center; gap: 12px; padding: 10px 24px; border-bottom: 1px solid var(--border); background: var(--panel); font-size: 13px; }
.content { padding: 20px 24px 60px; max-width: 1280px; }
h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 16px 0 8px; }
.crumb { color: var(--muted); font-size: 12.5px; margin-bottom: 4px; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 16px; }
.card.danger { border-color: var(--danger); }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-size: 22px; font-weight: 700; }
.stat.alert .value { color: var(--danger); }
.stat .value.small { font-size: 15px; font-weight: 600; line-height: 1.4; padding-top: 6px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; }
td.num, th.num { text-align: right; white-space: nowrap; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 11.5px; font-weight: 600; background: var(--primary-weak); color: var(--primary); white-space: nowrap; }
.badge.ok { background: var(--ok-weak); color: var(--ok); }
.badge.warn, .badge.warning { background: var(--warn-weak); color: var(--warn); }
.badge.danger, .badge.critical { background: var(--danger-weak); color: var(--danger); }
.badge.muted, .badge.info { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.bar { height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; min-width: 80px; border: 1px solid var(--border); }
.bar > span { display: block; height: 100%; background: var(--primary); }
.bar.high > span { background: var(--warn); }
.bar.full > span { background: var(--danger); }

form.inline { display: inline; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px 16px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12.5px; font-weight: 600; }
.field .help { font-size: 11.5px; color: var(--muted); }
.check { display: flex; gap: 6px; align-items: center; font-size: 13.5px; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 18px; }
input[type=text], input[type=password], input[type=number], input[type=email], select, textarea {
  width: 100%; padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--panel); color: var(--text); font: inherit;
}
textarea { min-height: 80px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-weak); border-color: var(--primary); }
.actions { display: flex; gap: 8px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
button, .btn {
  display: inline-flex; align-items: center; gap: 4px; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--primary);
  background: var(--primary); color: #fff; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap;
}
button:hover, .btn:hover { filter: brightness(1.08); text-decoration: none; }
button.secondary, .btn.secondary { background: var(--panel); color: var(--text); border-color: var(--border); }
button.danger, .btn.danger { background: var(--danger); border-color: var(--danger); }
button.small, .btn.small { padding: 3px 10px; font-size: 12px; }
button.link { background: none; border: none; color: var(--primary); padding: 0; font-weight: normal; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; border: 1px solid; }
.flash.success { background: var(--ok-weak); color: var(--ok); border-color: transparent; }
.flash.error { background: var(--danger-weak); color: var(--danger); border-color: transparent; }
.flash.warn { background: var(--warn-weak); color: var(--warn); border-color: transparent; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { padding: 8px 14px; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.active, .tabs a:hover { color: var(--text); border-color: var(--primary); text-decoration: none; }
.toolbar { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar form { display: flex; gap: 6px; }
.toolbar input[type=text] { width: 260px; }
.keybox { background: var(--warn-weak); border: 1px solid var(--warn); border-radius: 6px; padding: 12px; }
.keybox code { font-size: 14px; user-select: all; word-break: break-all; }
details summary { cursor: pointer; color: var(--primary); }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login { width: 100%; max-width: 380px; }

@media (max-width: 800px) {
  .layout { flex-direction: column; }
  .side { width: 100%; padding: 8px 0; }
  .side nav { display: flex; flex-wrap: wrap; }
  .side nav a { padding: 6px 12px; }
  .side .section, .side .host { display: none; }
  .content { padding: 16px; }
  .grid.cols-2 { grid-template-columns: 1fr; }
  .toolbar input[type=text] { width: 100%; }
}