:root {
  color-scheme: light;
  --page: #f6f6f3; --surface: #fcfcfb; --surface-2: #f0efec; --sidebar: #15171a; --sidebar-ink: #c9cbd0; --sidebar-muted: #7d828c; --sidebar-active: #252930;
  --ink: #0b0b0b; --ink-2: #52514e; --muted: #898781; --grid: #e7e6e0; --axis: #c3c2b7; --border: rgba(11,11,11,0.10); --border-strong: rgba(11,11,11,0.18);
  --accent: #2a78d6; --accent-ink: #fff; --accent-soft: #e6f0fc;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --good: #0ca30c; --good-ink: #006300; --warning: #fab219; --serious: #ec835a; --critical: #d03b3b; --bad-ink: #b42828;
  --seq-0: #f0efec; --seq-1: #cde2fb; --seq-2: #9ec5f4; --seq-3: #6da7ec; --seq-4: #3987e5; --seq-5: #256abf; --seq-6: #184f95;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321; --sidebar: #111214; --sidebar-active: #202329;
    --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781; --grid: #2c2c2a; --axis: #383835; --border: rgba(255,255,255,0.10); --border-strong: rgba(255,255,255,0.18);
    --accent: #3987e5; --accent-soft: #1c2a3d;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --good-ink: #0ca30c; --bad-ink: #e66767;
    --seq-0: #232321; --seq-1: #104281; --seq-2: #184f95; --seq-3: #1c5cab; --seq-4: #2a78d6; --seq-5: #5598e7; --seq-6: #9ec5f4;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321; --sidebar: #111214; --sidebar-active: #202329;
  --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781; --grid: #2c2c2a; --axis: #383835; --border: rgba(255,255,255,0.10); --border-strong: rgba(255,255,255,0.18);
  --accent: #3987e5; --accent-soft: #1c2a3d;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --good-ink: #0ca30c; --bad-ink: #e66767;
  --seq-0: #232321; --seq-1: #104281; --seq-2: #184f95; --seq-3: #1c5cab; --seq-4: #2a78d6; --seq-5: #5598e7; --seq-6: #9ec5f4;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
#root { min-height: 100vh; }
body { background: var(--page); color: var(--ink); font: 14px/1.45 var(--font); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.ink2 { color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; }

/* ---------- buttons & inputs ---------- */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border-strong); background: var(--surface); padding: 7px 12px; border-radius: 8px; cursor: pointer; font-weight: 500; white-space: nowrap; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--bad-ink); }
.btn.sm { padding: 4px 9px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: default; }
.input, select.input { border: 1px solid var(--border-strong); background: var(--surface); padding: 7px 10px; border-radius: 8px; min-width: 0; }
.input:focus, .btn:focus-visible, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
label.field { display: grid; gap: 4px; font-size: 12.5px; color: var(--ink-2); font-weight: 500; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.login-brand { background: var(--sidebar); color: #e8e9ec; padding: 56px 56px 40px; display: flex; flex-direction: column; justify-content: space-between; }
.login-brand h1 { font-size: 34px; line-height: 1.15; margin: 18px 0 14px; letter-spacing: -0.01em; max-width: 520px; }
.login-brand p { color: #a8acb5; max-width: 520px; }
.login-brand ul { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; color: #c9cbd0; }
.login-brand li::before { content: "✓"; color: #1baf7a; margin-right: 10px; font-weight: 700; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: .01em; }
.logo-mark { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, #2a78d6, #1baf7a); display: grid; place-items: center; color: #fff; font-size: 16px; }
.login-panel { display: grid; place-items: center; padding: 40px 24px; }
.login-card { width: 100%; max-width: 420px; }
.login-card h2 { margin: 0 0 4px; font-size: 22px; }
.login-card form { display: grid; gap: 14px; margin-top: 22px; }
.err { color: var(--bad-ink); font-size: 13px; min-height: 18px; }
.demo-box { margin-top: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 14px; }
.demo-box h4 { margin: 0 0 6px; font-size: 13px; }
.demo-accounts { display: grid; gap: 6px; margin-top: 10px; max-height: 300px; overflow: auto; }
.demo-acct { display: flex; justify-content: space-between; gap: 10px; text-align: left; width: 100%; border: 1px solid var(--border); background: var(--page); border-radius: 8px; padding: 7px 10px; cursor: pointer; }
.demo-acct:hover { border-color: var(--accent); }
.demo-acct b { font-weight: 600; font-size: 13px; display: block; }
.demo-acct small { color: var(--muted); }
.tag { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 7px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.tag.blue { background: var(--accent-soft); color: var(--accent); }
.tag.good { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good-ink); }
.tag.warn { background: color-mix(in srgb, var(--warning) 22%, transparent); color: var(--ink); }
.tag.bad { background: color-mix(in srgb, var(--critical) 15%, transparent); color: var(--bad-ink); }

/* ---------- app shell ---------- */
.app { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; background: linear-gradient(to right, var(--sidebar) 248px, transparent 248px); }
.sidebar { background: var(--sidebar); color: var(--sidebar-ink); position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 16px 10px 24px; display: flex; flex-direction: column; gap: 4px; }
.sidebar .logo { color: #fff; padding: 4px 10px 14px; }
.org-chip { margin: 0 6px 10px; padding: 10px; border-radius: 9px; background: var(--sidebar-active); font-size: 12.5px; }
.org-chip b { color: #fff; display: block; font-size: 13.5px; }
.nav-group { font-size: 10.5px; text-transform: uppercase; letter-spacing: .09em; color: var(--sidebar-muted); padding: 14px 12px 4px; font-weight: 600; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 7px 12px; border-radius: 7px; color: var(--sidebar-ink); text-decoration: none; cursor: pointer; font-size: 13.5px; border: 0; background: none; width: 100%; text-align: left; }
.nav-item:hover { background: var(--sidebar-active); color: #fff; }
.nav-item.active { background: var(--sidebar-active); color: #fff; box-shadow: inset 3px 0 0 var(--accent); }
.nav-item .ic { width: 18px; text-align: center; opacity: .85; font-size: 14px; }
.nav-item .lock { margin-left: auto; font-size: 11px; opacity: .6; }
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--page) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); padding: 10px 24px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; flex: 1; }
.filters .input { padding: 6px 8px; font-size: 13px; max-width: 210px; }
.seg { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: none; padding: 6px 10px; font-size: 12.5px; cursor: pointer; border-right: 1px solid var(--border); }
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--accent); color: #fff; }
.userbox { display: flex; align-items: center; gap: 10px; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: 12px; }
.banner { padding: 8px 24px; font-size: 13px; display: flex; gap: 10px; align-items: center; }
.banner.warn { background: color-mix(in srgb, var(--warning) 20%, var(--page)); }
.banner.info { background: var(--accent-soft); }
.banner.bad { background: color-mix(in srgb, var(--critical) 14%, var(--page)); }
.content { padding: 22px 24px 60px; max-width: 1640px; width: 100%; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 24px; letter-spacing: -0.01em; }
.page-head p { margin: 4px 0 0; color: var(--ink-2); max-width: 820px; }
.period-label { font-size: 12.5px; color: var(--muted); text-align: right; }

/* ---------- grid & cards ---------- */
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 14px; }
.span-12 { grid-column: span 12; } .span-8 { grid-column: span 8; } .span-7 { grid-column: span 7; } .span-6 { grid-column: span 6; } .span-5 { grid-column: span 5; } .span-4 { grid-column: span 4; } .span-3 { grid-column: span 3; }
@media (max-width: 1200px) { .span-8, .span-7, .span-6, .span-5, .span-4 { grid-column: span 12; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; min-width: 0; position: relative; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }
.card-head h3 { margin: 0; font-size: 14px; font-weight: 600; }
.card-note { font-size: 12px; color: var(--muted); margin-top: 8px; }
.card-tools { display: flex; gap: 6px; }
.icon-btn { border: 1px solid var(--border); background: var(--surface); border-radius: 6px; padding: 3px 7px; font-size: 12px; cursor: pointer; color: var(--ink-2); }
.icon-btn:hover { background: var(--surface-2); }

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0; padding: 0; overflow: hidden; }
.kpi { padding: 14px 16px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); margin: 0 -1px -1px 0; min-width: 0; }
.kpi .label { font-size: 12.5px; color: var(--ink-2); display: flex; gap: 4px; align-items: center; }
.kpi .value { font-size: 24px; font-weight: 650; letter-spacing: -0.01em; margin: 3px 0 2px; white-space: nowrap; }
.kpi .delta { font-size: 12px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.delta .up-good, .delta .down-good { color: var(--good-ink); font-weight: 600; }
.delta .up-bad, .delta .down-bad { color: var(--bad-ink); font-weight: 600; }
.delta .flat { color: var(--muted); }
.kpi .goalbar { height: 4px; border-radius: 4px; background: var(--surface-2); margin-top: 8px; overflow: hidden; }
.kpi .goalbar i { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.kpi .hint { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.info-dot { display: inline-grid; place-items: center; width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--axis); font-size: 9px; color: var(--muted); cursor: help; }
.spark { margin-top: 6px; display: block; }

/* charts */
.chart { width: 100%; position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { fill: var(--muted); font-size: 11px; font-family: var(--font); }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart .goal-line { stroke: var(--ink-2); stroke-width: 1.5; stroke-dasharray: 5 4; }
.chart .goal-label { fill: var(--ink-2); font-size: 10.5px; font-weight: 600; }
.chart .crosshair { stroke: var(--axis); stroke-width: 1; }
.chart .hit { fill: transparent; cursor: crosshair; }
.chart .bar:hover, .chart .slice:hover, .chart .cell:hover { opacity: .82; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--ink-2); margin-bottom: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.legend i.line { height: 3px; border-radius: 2px; width: 14px; }
.tooltip { position: fixed; z-index: 100; pointer-events: none; background: var(--surface); border: 1px solid var(--border-strong); box-shadow: 0 6px 24px rgba(0,0,0,.14); border-radius: 8px; padding: 8px 10px; font-size: 12px; min-width: 130px; }
.tooltip .t { font-weight: 600; margin-bottom: 4px; color: var(--ink); }
.tooltip .r { display: flex; justify-content: space-between; gap: 14px; color: var(--ink-2); }
.tooltip .r i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; margin-right: 6px; }
.donut-wrap { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 14px; align-items: center; }
.donut-legend { display: grid; gap: 5px; font-size: 12.5px; }
.donut-legend div { display: grid; grid-template-columns: 10px minmax(0, 1fr) auto; gap: 2px 8px; align-items: center; }
.donut-legend em { grid-column: 2 / 4; font-style: normal; color: var(--muted); font-size: 11px; margin-top: -3px; }
.donut-legend i { width: 10px; height: 10px; border-radius: 3px; }
.donut-legend span { color: var(--ink-2); line-height: 1.25; }
.span-4 .donut-wrap, .span-6 .donut-wrap { grid-template-columns: 130px minmax(0, 1fr); }

/* tables */
.tbl-wrap { overflow-x: auto; margin: 0 -16px; padding: 0 16px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; font-weight: 600; color: var(--ink-2); font-size: 12px; padding: 7px 10px; border-bottom: 1px solid var(--border-strong); white-space: nowrap; cursor: pointer; user-select: none; position: sticky; top: 0; background: var(--surface); }
.tbl th.r, .tbl td.r { text-align: right; }
.tbl td { padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: top; font-variant-numeric: tabular-nums; }
.tbl tr:hover td { background: color-mix(in srgb, var(--surface-2) 60%, transparent); }
.tbl th .sort { opacity: .5; font-size: 10px; }
.tbl-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: 12px; color: var(--muted); }
.masked { color: var(--muted); font-style: italic; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 0; }

/* alerts / progress */
.alerts { display: grid; gap: 8px; }
.alerts.wide { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.alert { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; cursor: pointer; background: var(--surface); text-align: left; width: 100%; }
.alert:hover { border-color: var(--accent); }
.alert .sev { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; font-size: 13px; font-weight: 700; color: #fff; }
.sev.critical { background: var(--critical); } .sev.serious { background: var(--serious); } .sev.warning { background: var(--warning); color: #111; } .sev.good { background: var(--good); }
.alert b { display: block; font-size: 13px; font-weight: 600; }
.alert small { color: var(--muted); font-size: 12px; }
.alert .v { font-weight: 650; font-size: 15px; white-space: nowrap; }
.prog { display: grid; gap: 14px; }
.prog-item .top { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; }
.prog-item .bar { height: 8px; background: var(--surface-2); border-radius: 6px; margin-top: 6px; position: relative; overflow: hidden; }
.prog-item .bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 6px; }
.prog-item .sub { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.st-good { background: var(--good); } .st-warning { background: var(--warning); } .st-critical { background: var(--critical); } .st-none { background: var(--axis); }
.status-pill { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; }

/* heatmap */
.heat { display: grid; gap: 3px; font-size: 11px; }
.heat .cell { border-radius: 4px; height: 30px; display: grid; place-items: center; font-weight: 600; font-size: 11px; cursor: default; }
.heat .lab { color: var(--muted); display: grid; place-items: center; }

/* admin / forms */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px 16px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.kv { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 6px 16px; font-size: 13px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }
.check { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); align-items: start; }
.check:last-child { border-bottom: 0; }
.check .ok { color: var(--good-ink); font-weight: 700; } .check .todo { color: var(--serious); font-weight: 700; }
.check b { font-weight: 600; }
.check small { color: var(--ink-2); display: block; margin-top: 2px; }
.pre { background: var(--surface-2); border-radius: 8px; padding: 12px; overflow: auto; max-height: 420px; font-family: ui-monospace, Consolas, monospace; font-size: 12px; white-space: pre; }
.arch { width: 100%; }
.arch text { font-family: var(--font); }
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 200; display: grid; place-items: center; padding: 20px; }
.modal { background: var(--surface); border-radius: 12px; max-width: 640px; width: 100%; padding: 20px; max-height: 90vh; overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal h3 { margin-top: 0; }
.toast { position: fixed; bottom: 20px; right: 20px; z-index: 300; background: var(--ink); color: var(--page); padding: 10px 14px; border-radius: 8px; font-size: 13px; box-shadow: 0 8px 30px rgba(0,0,0,.25); }
.empty { padding: 40px; text-align: center; color: var(--muted); }
.loading { padding: 60px; text-align: center; color: var(--muted); }
.skeleton { background: linear-gradient(90deg, var(--surface-2), var(--surface), var(--surface-2)); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: 8px; height: 120px; }
@keyframes sk { to { background-position: -200% 0; } }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; }
  .nav-group { display: none; }
  .login-wrap { grid-template-columns: 1fr; }
  .login-brand { padding: 32px 24px; }
  .content, .topbar { padding-left: 16px; padding-right: 16px; }
  .donut-wrap { grid-template-columns: 1fr; }
}
@media print { .sidebar, .topbar, .card-tools { display: none !important; } .app { display: block; } .card { break-inside: avoid; } }