:root {
  --bg: #f4f5f8; --panel: #ffffff; --panel-2: #f8f9fb; --text: #111827; --muted: #6b7280; --border: #e5e7eb;
  --accent: #4f5ff0; --accent-soft: #eceefe; --ok: #16a34a; --ok-soft: #e7f6ec; --warn: #b45309; --warn-soft: #fdf3e2;
  --err: #dc2626; --err-soft: #fdecec; --info: #2563eb; --info-soft: #e8f0fe; --side: #0f1117; --side-text: #c9ccd6; --side-muted: #7c8191;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 6px 20px rgba(16, 24, 40, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0d12; --panel: #141821; --panel-2: #10131a; --text: #e8eaf0; --muted: #9399a8; --border: #252a36;
    --accent: #8b97ff; --accent-soft: #1f2442; --ok: #4ade80; --ok-soft: #12291c; --warn: #fbbf24; --warn-soft: #2e2410;
    --err: #f87171; --err-soft: #331618; --info: #60a5fa; --info-soft: #132238; --side: #07080c; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0d12; --panel: #141821; --panel-2: #10131a; --text: #e8eaf0; --muted: #9399a8; --border: #252a36;
  --accent: #8b97ff; --accent-soft: #1f2442; --ok: #4ade80; --ok-soft: #12291c; --warn: #fbbf24; --warn-soft: #2e2410;
  --err: #f87171; --err-soft: #331618; --info: #60a5fa; --info-soft: #132238; --side: #07080c; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  color-scheme: dark;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: 1.05rem; font-weight: 700; }
h3 { font-size: .95rem; font-weight: 700; }
.muted { color: var(--muted); }
.small { font-size: .8rem; }
.num { font-variant-numeric: tabular-nums; }
.pos { color: var(--ok); } .neg { color: var(--err); }
svg { display: block; }

/* ---------- layout ---------- */
.shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.side { background: var(--side); color: var(--side-text); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.side-brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 16px; color: #fff; }
.side-brand b { font-weight: 800; font-size: .95rem; line-height: 1.15; }
.side-brand span { display: block; font-size: .7rem; color: var(--side-muted); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.mark { width: 32px; height: 32px; border-radius: 9px; background: #1d2130; display: grid; place-items: center; color: #8b97ff; font-weight: 900; flex: none; }
.nav-group { font-size: .66rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--side-muted); padding: 12px 10px 4px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 8px; color: var(--side-text); text-decoration: none; font-weight: 500; font-size: .88rem; }
.nav a:hover { background: #161a24; color: #fff; }
.nav a.active { background: #1f2442; color: #fff; }
.nav a .badge-n { margin-left: auto; background: var(--err); color: #fff; font-size: .68rem; font-weight: 700; border-radius: 999px; padding: 0 7px; line-height: 1.6; }
.side-foot { margin-top: auto; padding: 14px 8px 0; border-top: 1px solid #1d2130; font-size: .8rem; color: var(--side-muted); display: flex; flex-direction: column; gap: 6px; }
.side-foot button { color: var(--side-text); text-align: left; font-size: .82rem; }
.side-foot button:hover { color: #fff; }
.main { padding: 22px 28px 60px; min-width: 0; }
.topbar { display: none; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head p { color: var(--muted); }
.tools-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- components ---------- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; box-shadow: var(--shadow); min-width: 0; }
.card + .card { margin-top: 14px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 12px; margin-bottom: 14px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow); }
.kpi span { display: block; font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.kpi b { display: block; font-size: 1.45rem; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi em { font-style: normal; font-size: .78rem; color: var(--muted); }
.kpi.na b { color: var(--muted); font-size: 1rem; font-weight: 600; padding-top: 6px; }
.trend { font-size: .75rem; font-weight: 700; padding: 1px 7px; border-radius: 999px; }
.trend.up { background: var(--ok-soft); color: var(--ok); } .trend.down { background: var(--err-soft); color: var(--err); } .trend.flat { background: var(--panel-2); color: var(--muted); }
.trend.bad.up { background: var(--err-soft); color: var(--err); } .trend.bad.down { background: var(--ok-soft); color: var(--ok); }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: .72rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; text-transform: capitalize; }
.pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.operational, .pill.ok, .pill.good, .pill.active, .pill.resolved, .pill.closed, .pill.live { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.pill.degraded, .pill.warning, .pill.warn, .pill.waiting, .pill.suspended, .pill.scheduled, .pill.high, .pill.medium { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.pill.offline, .pill.outage, .pill.critical, .pill.banned, .pill.urgent, .pill.new { background: var(--err-soft); color: var(--err); border-color: transparent; }
.pill.info, .pill.open, .pill.investigating, .pill.normal { background: var(--info-soft); color: var(--info); border-color: transparent; }
.pill.no-dot::before { display: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px; border-radius: 9px; font-weight: 600; font-size: .86rem; background: var(--panel); border: 1px solid var(--border); transition: border-color .15s, background .15s; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #fff; border-color: transparent; }
.btn.danger { background: var(--err); color: #fff; border-color: transparent; }
.btn.ghost-danger { color: var(--err); }
.btn.sm { padding: 5px 10px; font-size: .8rem; border-radius: 8px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.input, select.input, textarea.input { width: 100%; padding: 8px 11px; border-radius: 9px; border: 1px solid var(--border); background: var(--panel); outline: none; }
.input:focus { border-color: var(--accent); }
textarea.input { resize: vertical; min-height: 70px; line-height: 1.45; }
label.f { display: flex; flex-direction: column; gap: 4px; font-size: .78rem; font-weight: 600; color: var(--muted); }
label.f > .input, label.f > select, label.f > textarea { color: var(--text); font-weight: 400; font-size: .9rem; }
.form-row { display: flex; gap: 10px; flex-wrap: wrap; }
.form-row > * { flex: 1; min-width: 150px; }
.msg { font-size: .84rem; color: var(--err); min-height: 1.2em; }
.msg.ok { color: var(--ok); }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; background: var(--panel); }
.seg button { padding: 6px 12px; font-size: .8rem; font-weight: 600; color: var(--muted); }
.seg button.on { background: var(--accent); color: #fff; }

table.t { width: 100%; border-collapse: collapse; font-size: .84rem; }
.t th { text-align: left; font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 700; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.t td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.t tr.click { cursor: pointer; }
.t tr.click:hover td { background: var(--panel-2); }
.t td.r, .t th.r { text-align: right; }
.scroll-x { overflow-x: auto; margin: 0 -18px; padding: 0 18px; }
.empty { padding: 28px; text-align: center; color: var(--muted); border: 1.5px dashed var(--border); border-radius: 12px; }

.insights { display: flex; flex-direction: column; gap: 8px; }
.ins { display: grid; grid-template-columns: 8px 1fr; gap: 12px; padding: 12px 14px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--border); }
.ins i { border-radius: 4px; background: var(--info); }
.ins.critical i { background: var(--err); } .ins.warning i { background: var(--warn); } .ins.good i { background: var(--ok); }
.ins b { display: block; }
.ins p { color: var(--muted); font-size: .85rem; }
.ins .act { color: var(--text); font-size: .82rem; margin-top: 3px; }
.ins .act::before { content: '→ '; color: var(--accent); font-weight: 700; }

.chart { width: 100%; height: 190px; }
.chart text { fill: var(--muted); font-size: 10px; font-family: inherit; }
.chart .grid-l { stroke: var(--border); stroke-width: 1; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .76rem; color: var(--muted); margin-top: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.hbars { display: flex; flex-direction: column; gap: 7px; }
.hbar { display: grid; grid-template-columns: minmax(80px, 38%) 1fr auto; gap: 10px; align-items: center; font-size: .82rem; }
.hbar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar div { height: 8px; background: var(--panel-2); border-radius: 99px; overflow: hidden; }
.hbar div i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.funnel .hbar { grid-template-columns: minmax(120px, 40%) 1fr 90px; }

.status-list { display: flex; flex-direction: column; }
.st-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.st-row:last-child { border-bottom: 0; }
.st-row .muted { grid-column: 1 / -1; font-size: .8rem; }

.drawer-bg { position: fixed; inset: 0; background: rgba(5, 8, 15, .45); z-index: 40; display: flex; justify-content: flex-end; }
.drawer { width: min(760px, 100%); height: 100%; background: var(--bg); overflow-y: auto; padding: 20px 22px 60px; box-shadow: -10px 0 40px rgba(0, 0, 0, .25); animation: slide .2s ease; }
@keyframes slide { from { transform: translateX(30px); opacity: 0; } }
.drawer-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 14px; }
.x { font-size: 1.6rem; line-height: 1; color: var(--muted); padding: 0 6px; }

.msgs { display: flex; flex-direction: column; gap: 8px; margin: 10px 0; }
.m { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--panel); }
.m.staff { background: var(--accent-soft); border-color: transparent; }
.m.note { background: var(--warn-soft); border-color: transparent; }
.m p { white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 3px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: .84rem; }
.kv dt { color: var(--muted); }
.danger-zone { border: 1.5px solid color-mix(in srgb, var(--err) 45%, transparent); }
.danger-zone .card-head h2 { color: var(--err); }
.em-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.em { display: flex; flex-direction: column; gap: 6px; padding: 12px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--border); }
.em b { font-size: .9rem; }
.em p { font-size: .78rem; color: var(--muted); flex: 1; }
.flag-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.flag-row:last-child { border-bottom: 0; }
.score { display: inline-block; min-width: 36px; text-align: center; font-weight: 800; border-radius: 8px; padding: 2px 6px; font-size: .8rem; }
.score.hi { background: var(--err-soft); color: var(--err); } .score.mid { background: var(--warn-soft); color: var(--warn); } .score.lo { background: var(--panel-2); color: var(--muted); }
pre.code { white-space: pre-wrap; overflow-wrap: anywhere; font-size: .74rem; background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; max-height: 220px; overflow-y: auto; margin-top: 6px; }
details summary { cursor: pointer; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(1200px 600px at 50% -10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent), var(--bg); }
.login-card { width: min(400px, 100%); background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 12px; }
.login-card .mark { width: 44px; height: 44px; border-radius: 12px; background: #111827; font-size: 1.1rem; }
.qr { align-self: center; padding: 10px; background: #fff; border-radius: 10px; }
.secret { font-family: ui-monospace, monospace; font-size: .85rem; letter-spacing: .08em; background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; word-break: break-all; text-align: center; }

dialog { margin: auto; border: 0; border-radius: 16px; padding: 22px; background: var(--panel); color: var(--text); width: min(480px, calc(100vw - 24px)); box-shadow: 0 30px 80px rgba(0, 0, 0, .35); }
dialog::backdrop { background: rgba(5, 8, 15, .55); }
dialog h3 { font-size: 1.1rem; margin-bottom: 6px; }
.dlg-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.toast { position: fixed; left: 50%; bottom: 22px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-weight: 500; transition: .25s; z-index: 60; max-width: calc(100vw - 24px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.loading { display: grid; place-items: center; padding: 50px; }
.spin { width: 28px; height: 28px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: sp .8s linear infinite; }
@keyframes sp { to { transform: rotate(360deg); } }
.banner { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; font-size: .86rem; font-weight: 500; }
.banner.warn { background: var(--warn-soft); color: var(--warn); }
.banner.err { background: var(--err-soft); color: var(--err); }
.banner.info { background: var(--info-soft); color: var(--info); }
.steps { margin: 6px 0 0 18px; display: flex; flex-direction: column; gap: 6px; }

@media (max-width: 1100px) { .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: 0 auto 0 0; width: 260px; z-index: 50; transform: translateX(-100%); transition: transform .2s; }
  .shell.nav-open .side { transform: none; box-shadow: 0 0 0 100vmax rgba(5, 8, 15, .5); }
  .topbar { display: flex; align-items: center; gap: 10px; position: sticky; top: 0; z-index: 30; background: var(--side); color: #fff; padding: 10px 14px; }
  .topbar b { flex: 1; }
  .topbar button { color: #fff; font-size: 1.3rem; line-height: 1; }
  .main { padding: 16px 14px 60px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .drawer { padding: 16px 14px 60px; }
}