:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --border: #e3e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --faint: #94a3b8;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --ok: #16a34a;
  --ok-soft: #dcfce7;
  --warn: #d97706;
  --warn-soft: #fef3c7;
  --bad: #dc2626;
  --bad-soft: #fee2e2;
  --run: #2563eb;
  --none: #e2e8f0;
  --side: #0b1222;
  --side-text: #cbd5e1;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 4px 16px rgba(15, 23, 42, .04);
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0f1c; --panel: #111827; --panel-2: #0f172a; --border: #1f2a3d; --text: #e5e9f2;
    --muted: #94a3b8; --faint: #64748b; --accent: #60a5fa; --accent-soft: #172554;
    --ok: #22c55e; --ok-soft: #052e16; --warn: #f59e0b; --warn-soft: #3b2304; --bad: #f87171; --bad-soft: #3f0d0d;
    --run: #60a5fa; --none: #1e293b; --side: #060a14; --shadow: 0 1px 2px rgba(0,0,0,.4); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0a0f1c; --panel: #111827; --panel-2: #0f172a; --border: #1f2a3d; --text: #e5e9f2;
  --muted: #94a3b8; --faint: #64748b; --accent: #60a5fa; --accent-soft: #172554;
  --ok: #22c55e; --ok-soft: #052e16; --warn: #f59e0b; --warn-soft: #3b2304; --bad: #f87171; --bad-soft: #3f0d0d;
  --run: #60a5fa; --none: #1e293b; --side: #060a14; --shadow: 0 1px 2px rgba(0,0,0,.4); color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.5 Inter, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.hidden { display: none !important; }

/* layout */
.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--side); color: var(--side-text); padding: 20px 14px;
  position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 4px;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 20px; color: #fff; font-weight: 700; }
.brand svg { flex: none; }
.brand small { display: block; font-weight: 500; color: #7c8aa5; font-size: 11px; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 9px;
  color: var(--side-text); font-weight: 500; text-decoration: none;
}
.nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav a.active { background: rgba(96,165,250,.16); color: #fff; }
.nav a .badge { margin-left: auto; }
.nav svg { width: 18px; height: 18px; opacity: .85; }
.sidebar .spacer { flex: 1; }
.sidebar .foot { display: flex; gap: 6px; padding: 8px; font-size: 12px; color: #7c8aa5; align-items: center; }
.sidebar .foot button { background: none; border: 0; color: #7c8aa5; cursor: pointer; padding: 4px; border-radius: 6px; }
.sidebar .foot button:hover { color: #fff; background: rgba(255,255,255,.06); }
main { padding: 28px 32px 48px; min-width: 0; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); margin-top: 4px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* cards */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card.pad { padding: 18px 20px; }
.card-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border); gap: 12px; }
.card-head h2 { margin: 0; }
.grid { display: grid; gap: 16px; }
.grid.kpis { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-bottom: 18px; }
.grid.two { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); align-items: start; }
.grid.half { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); align-items: start; }
.kpi { padding: 16px 18px; position: relative; overflow: hidden; }
.kpi .label { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.kpi .value { font-size: 30px; font-weight: 700; margin-top: 4px; letter-spacing: -.02em; }
.kpi .hint { color: var(--faint); font-size: 12px; }
.kpi::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--kpi, transparent); }
.kpi.ok { --kpi: var(--ok); } .kpi.warn { --kpi: var(--warn); } .kpi.bad { --kpi: var(--bad); } .kpi.info { --kpi: var(--accent); }
.kpi.bad .value { color: var(--bad); } .kpi.warn .value { color: var(--warn); }

/* hero status */
.hero { display: flex; align-items: center; gap: 16px; padding: 18px 20px; margin-bottom: 18px; }
.hero .icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; flex: none; }
.hero.ok .icon { background: var(--ok-soft); color: var(--ok); }
.hero.warn .icon { background: var(--warn-soft); color: var(--warn); }
.hero.bad .icon { background: var(--bad-soft); color: var(--bad); }
.hero .title { font-size: 17px; font-weight: 700; }

/* status */
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.success, .pill.online { color: var(--ok); background: var(--ok-soft); }
.pill.warning, .pill.cancelled { color: var(--warn); background: var(--warn-soft); }
.pill.failed, .pill.offline, .pill.critical { color: var(--bad); background: var(--bad-soft); }
.pill.running { color: var(--run); background: var(--accent-soft); }
.pill.unknown, .pill.muted-pill { color: var(--muted); background: var(--panel-2); border: 1px solid var(--border); }
.pill.running::before { animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.badge { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 999px; font-size: 11px; font-weight: 700; text-align: center; line-height: 18px; background: var(--bad); color: #fff; }
.badge.warn { background: var(--warn); }

.cells { display: inline-flex; gap: 3px; vertical-align: middle; }
.cell { width: 13px; height: 13px; border-radius: 3px; background: var(--none); position: relative; }
.cell.success { background: var(--ok); } .cell.warning, .cell.cancelled { background: var(--warn); }
.cell.failed { background: var(--bad); } .cell.running { background: var(--run); }
.cells.big .cell { width: 16px; height: 16px; border-radius: 4px; }
.cell[data-tip]:hover::after {
  content: attr(data-tip); position: absolute; bottom: 130%; left: 50%; transform: translateX(-50%);
  background: #0f172a; color: #fff; font-size: 11px; padding: 4px 8px; border-radius: 6px; white-space: pre; z-index: 10; pointer-events: none;
}

/* device cards on dashboard */
.devices { display: grid; gap: 14px; }
.device-card .card-head { padding: 12px 16px; }
.device-card .name { font-weight: 700; font-size: 15px; }
.device-card .meta { color: var(--muted); font-size: 12px; }
.task-row { display: grid; grid-template-columns: minmax(140px, 1.4fr) 140px minmax(130px, 1fr) auto; gap: 12px; align-items: center; padding: 10px 16px; border-top: 1px solid var(--border); }
.task-row:first-of-type { border-top: 0; }
.task-row .tname { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task-row .tsub { color: var(--faint); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty { padding: 26px; text-align: center; color: var(--muted); }
.empty svg { display: block; margin: 0 auto 8px; color: var(--faint); }

/* tables */
.table-wrap { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; }
table.t th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--panel-2); white-space: nowrap; }
table.t td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.t tr:last-child td { border-bottom: 0; }
table.t tr.nob td { border-bottom: 0; padding-bottom: 6px; }
table.t tr.click { cursor: pointer; }
table.t tr.click:hover td { background: var(--panel-2); }
table.t td.msg { max-width: 640px; word-break: break-word; }

/* alerts list */
.alert-item { display: flex; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--border); align-items: flex-start; }
.alert-item:first-child { border-top: 0; }
.alert-item .sev { width: 8px; align-self: stretch; border-radius: 4px; flex: none; background: var(--warn); }
.alert-item.critical .sev { background: var(--bad); }
.alert-item.resolved .sev { background: var(--ok); }
.alert-item .body { flex: 1; min-width: 0; }
.alert-item .title { font-weight: 600; }
.alert-item .msg { color: var(--muted); font-size: 13px; white-space: pre-line; }

/* volumes */
.bar { height: 8px; background: var(--none); border-radius: 999px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.bar.warn > span { background: var(--warn); } .bar.bad > span { background: var(--bad); }
.vol { display: grid; grid-template-columns: 120px 1fr 150px; gap: 12px; align-items: center; padding: 6px 0; font-size: 13px; }

/* forms */
.form { display: grid; gap: 14px; }
.form .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
label.f { display: grid; gap: 6px; font-size: 13px; font-weight: 600; }
label.f .help { font-weight: 400; color: var(--muted); font-size: 12px; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border);
  border-radius: 9px; padding: 8px 11px; width: 100%; outline: none; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { min-height: 80px; resize: vertical; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; cursor: pointer; }
.check input { width: auto; margin-top: 3px; }
.btn {
  font: inherit; font-weight: 600; font-size: 13px; display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 9px; border: 1px solid var(--border); background: var(--panel); color: var(--text); cursor: pointer;
}
.btn:hover { background: var(--panel-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .6; cursor: default; }
.seg { display: inline-flex; background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.seg button { font: inherit; font-size: 13px; font-weight: 600; border: 0; background: none; padding: 5px 12px; border-radius: 7px; color: var(--muted); cursor: pointer; }
.seg button.on { background: var(--panel); color: var(--text); box-shadow: var(--shadow); }
.tokenbox { display: flex; gap: 8px; }
.tokenbox input { font-family: ui-monospace, Menlo, Consolas, monospace; }
pre.raw { background: var(--panel-2); border: 1px solid var(--border); padding: 12px; border-radius: 10px; overflow: auto; max-height: 340px; font-size: 12px; margin: 6px 0 0; white-space: pre-wrap; word-break: break-all; }
details.raw summary { cursor: pointer; font-weight: 600; padding: 6px 0; }
.steps { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.diag { font-size: 12.5px; font-family: ui-monospace, Menlo, Consolas, monospace; display: grid; gap: 2px; }
.diag .ERROR { color: var(--bad); } .diag .WARN { color: var(--warn); }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(37,99,235,.25), transparent), radial-gradient(900px 500px at 110% 110%, rgba(22,163,74,.18), transparent), var(--side); }
.login .card { width: 100%; max-width: 380px; padding: 30px; }
.login .brand { color: var(--text); padding: 0 0 18px; }
.login .brand small { color: var(--muted); }
.error-msg { color: var(--bad); font-size: 13px; min-height: 18px; }

/* toast */
#toasts { position: fixed; right: 20px; bottom: 20px; display: grid; gap: 8px; z-index: 100; }
.toast { background: #0f172a; color: #fff; padding: 10px 14px; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.25); font-size: 13px; max-width: 380px; animation: slide .2s ease-out; }
.toast.err { background: #991b1b; }
@keyframes slide { from { transform: translateY(8px); opacity: 0; } }

.skeleton { height: 120px; border-radius: var(--radius); background: linear-gradient(90deg, var(--panel) 0%, var(--panel-2) 50%, var(--panel) 100%); background-size: 200% 100%; animation: shimmer 1.2s infinite; border: 1px solid var(--border); }
@keyframes shimmer { to { background-position: -200% 0; } }

@media (max-width: 1100px) { .grid.two { grid-template-columns: 1fr; } }
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; padding: 10px; align-items: center; }
  .brand { padding: 4px 8px; }
  .nav { display: flex; flex-wrap: wrap; gap: 2px; }
  .nav a span.lbl { display: none; }
  .sidebar .spacer { display: none; }
  main { padding: 18px 16px 40px; }
  .task-row { grid-template-columns: 1fr auto; }
  .task-row .hist, .task-row .last { display: none; }
  .vol { grid-template-columns: 90px 1fr; } .vol .muted { grid-column: 1 / -1; }
  .grid.half { grid-template-columns: 1fr; }
}