:root {
  --bg: #101214; --panel: #17191c; --panel2: #1d2024; --border: #2a2e33;
  --text: #e8eaed; --muted: #9aa3ab; --accent: #3ecf8e; --accent-dim: #2a9d6c;
  --danger: #f26d6d; --warn: #e8b93e; --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; }
.mono { font-family: var(--mono); font-size: 12.5px; }

/* login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 28px; width: min(360px, 92vw); display: grid; gap: 12px; }
.login-card label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
.logo { font-weight: 700; font-size: 20px; letter-spacing: .2px; }
.logo span { color: var(--accent); margin-left: 6px; font-weight: 600; }

/* shell */
#app-view { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--border);
  padding: 16px 12px; display: flex; flex-direction: column; gap: 14px;
  position: sticky; top: 0; height: 100vh; }
.sidebar nav { display: grid; gap: 2px; }
.sidebar nav a { color: var(--text); padding: 7px 10px; border-radius: 6px; display: block; }
.sidebar nav a:hover { background: var(--panel2); text-decoration: none; }
.sidebar nav a.active { background: var(--panel2); border-left: 3px solid var(--accent); }
.nav-head { color: var(--muted); font-size: 11px; text-transform: uppercase;
  letter-spacing: .08em; margin: 12px 10px 4px; }
.proj-link { display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ok { background: var(--accent); } .dot.bad { background: var(--danger); }
.side-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  color: var(--muted); font-size: 13px; }
main { padding: 22px 26px 60px; max-width: 1180px; width: 100%; margin: 0 auto; }

/* components */
h1 { font-size: 22px; margin: 0 0 4px; } h2 { font-size: 16px; margin: 22px 0 10px; }
.btn { background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 14px; cursor: pointer; font: inherit; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent-dim); border-color: var(--accent-dim); color: #06130c; font-weight: 600; }
.btn.primary:hover { background: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.ghost { background: transparent; } .btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: wait; }
input, textarea, select { background: #0c0e10; color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px 10px; font: inherit; width: 100%; }
textarea.code { font-family: var(--mono); font-size: 12.5px; line-height: 1.55; min-height: 460px;
  white-space: pre; tab-size: 2; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 11.5px;
  border: 1px solid var(--border); color: var(--muted); }
.badge.sys { color: var(--warn); border-color: var(--warn); }
.badge.custom { color: var(--accent); border-color: var(--accent-dim); }
.badge.up { color: var(--accent); border-color: var(--accent-dim); }
.badge.down { color: var(--danger); border-color: var(--danger); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 14px 0 18px; flex-wrap: wrap; }
.tabs a { color: var(--muted); padding: 8px 14px; border-bottom: 2px solid transparent; }
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: var(--text); border-bottom-color: var(--accent); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.kv { display: grid; grid-template-columns: 170px 1fr auto; gap: 8px 12px; align-items: center; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-all; }
.fn-layout { display: grid; grid-template-columns: 250px 1fr; gap: 16px; align-items: start; }
.fn-list { display: grid; gap: 4px; }
.fn-list a { padding: 8px 10px; border-radius: 6px; color: var(--text); border: 1px solid transparent; }
.fn-list a:hover { background: var(--panel2); text-decoration: none; }
.fn-list a.active { background: var(--panel2); border-color: var(--border); }
#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: var(--panel2); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 16px; opacity: 0; pointer-events: none; transition: opacity .25s; max-width: 90vw; }
#toast.show { opacity: 1; }
pre.out { background: #0c0e10; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: 12px; }
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: grid; place-items: center; z-index: 5; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; width: min(480px, 92vw); display: grid; gap: 10px; }
@media (max-width: 800px) {
  #app-view { grid-template-columns: 1fr; } .sidebar { position: static; height: auto; }
  .fn-layout, .kv { grid-template-columns: 1fr; }
}