:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #1c2330;
  --muted: #6b7482;
  --line: #e3e6eb;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --ok: #1f9d55;
  --ok-bg: #e5f6ec;
  --warn: #b7791f;
  --warn-bg: #fdf3e1;
  --bad: #d64545;
  --bad-bg: #fde8e8;
  --idle: #6b7482;
  --idle-bg: #eef0f3;
  --code-bg: #0f1520;
  --code-text: #d7dde8;
  --radius: 8px;
  font-family: 'Pretendard', -apple-system, 'Segoe UI', 'Malgun Gothic', sans-serif;
  font-size: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f131a;
    --panel: #171c25;
    --text: #e3e7ee;
    --muted: #8b94a3;
    --line: #262d3a;
    --accent: #5b8cff;
    --ok: #4cc27f;
    --ok-bg: #173424;
    --warn: #e0a84a;
    --warn-bg: #3a2c12;
    --bad: #f07070;
    --bad-bg: #3d1a1a;
    --idle: #8b94a3;
    --idle-bg: #232a36;
    --code-bg: #0a0d12;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }

header {
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px; height: 52px;
  background: var(--panel); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
header h1 { font-size: 16px; margin: 0; white-space: nowrap; }
header .host { color: var(--muted); font-size: 12px; }
nav { display: flex; gap: 2px; margin-left: 12px; overflow-x: auto; }
nav button {
  background: none; border: 0; padding: 8px 12px; border-radius: 6px; cursor: pointer; color: var(--muted); white-space: nowrap;
}
nav button.active { background: var(--idle-bg); color: var(--text); font-weight: 600; }
header .spacer { flex: 1; }
header .user { display: flex; gap: 8px; align-items: center; color: var(--muted); white-space: nowrap; }

main { padding: 20px; max-width: 1400px; margin: 0 auto; }
.toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar h2 { font-size: 18px; margin: 0 8px 0 0; }
.toolbar .spacer { flex: 1; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; font-size: 12.5px; }

.btn {
  border: 1px solid var(--line); background: var(--panel); padding: 5px 10px; border-radius: 6px; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { color: var(--bad); }
.btn.danger.solid { background: var(--bad); color: #fff; border-color: var(--bad); }
.btn.sm { padding: 2px 8px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: default; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; margin-bottom: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.card .label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.card .value { font-size: 22px; font-weight: 600; }
.card .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.bar { height: 6px; background: var(--idle-bg); border-radius: 3px; overflow: hidden; margin-top: 8px; }
.bar > div { height: 100%; background: var(--accent); }

.table-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 820px; }
nav { scrollbar-width: none; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 500; background: var(--panel); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td .actions { display: flex; gap: 4px; flex-wrap: wrap; }
tr.closed td { background: color-mix(in srgb, var(--idle-bg) 50%, transparent); }

.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 10px; font-size: 12px; white-space: nowrap;
  background: var(--idle-bg); color: var(--idle);
}
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; display: inline-block; }
.stack { display: flex; flex-direction: column; gap: 3px; }
.row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

dialog {
  border: 1px solid var(--line); border-radius: 10px; padding: 0; background: var(--panel); color: var(--text);
  width: min(720px, calc(100vw - 32px)); max-height: calc(100vh - 64px);
}
dialog.wide { width: min(1100px, calc(100vw - 32px)); }
dialog.term { width: min(1500px, calc(100vw - 32px)); max-height: calc(100vh - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
dialog .dh { display: flex; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
dialog .dh h3 { margin: 0; font-size: 16px; flex: 1; }
dialog .db { padding: 16px 18px; overflow: auto; max-height: calc(100vh - 200px); }
dialog .df { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line); }

.form { display: grid; gap: 12px; }
.form label.f { display: grid; gap: 4px; }
.form label.f > span { font-size: 12px; color: var(--muted); }
.form input[type=text], .form input[type=number], .form input[type=password], .form select, .form textarea {
  border: 1px solid var(--line); background: var(--bg); border-radius: 6px; padding: 7px 10px; width: 100%;
}
.form .check { display: flex; gap: 8px; align-items: flex-start; }
.form .check input { margin-top: 3px; }
.form fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; display: grid; gap: 10px; }
.form legend { font-size: 12px; color: var(--muted); padding: 0 4px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.seg label { padding: 6px 14px; cursor: pointer; }
.seg input { display: none; }
.seg label:has(input:checked) { background: var(--accent); color: var(--accent-text); }

pre.log {
  background: var(--code-bg); color: var(--code-text); padding: 12px; border-radius: 6px; margin: 0;
  white-space: pre-wrap; word-break: break-all; font-size: 12px; line-height: 1.5; max-height: 60vh; overflow: auto;
}
.alert { padding: 10px 12px; border-radius: 6px; background: var(--warn-bg); color: var(--warn); white-space: pre-wrap; }
.alert.bad { background: var(--bad-bg); color: var(--bad); }
.alert.ok { background: var(--ok-bg); color: var(--ok); }

#toast { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 50; }
#toast > div {
  background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  padding: 10px 14px; border-radius: 6px; box-shadow: 0 4px 16px rgba(0,0,0,.15); max-width: 420px; white-space: pre-wrap;
}
#toast > div.bad { border-left-color: var(--bad); }
#toast > div.ok { border-left-color: var(--ok); }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-box { width: min(360px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.login-box h1 { font-size: 18px; margin: 0 0 18px; }

.spin { display: inline-block; width: 12px; height: 12px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 720px) {
  header { flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 6px; }
  nav { margin-left: 0; order: 3; width: 100%; }
  main { padding: 12px; }
}