:root {
  color-scheme: light;
  --bg: #f4f4f2;
  --surface-1: #fcfcfb;
  --surface-2: #efeeea;
  --border: #e0dfda;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #7a7973;
  --grid: #e6e5e0;
  --accent: #2a78d6;
  --kerja: #2a78d6;
  --nonkerja: #eb6834;
  --netral: #1baf7a;
  --seq-0: #eef4fc;
  --seq-1: #cde2fb;
  --seq-2: #9ec5f4;
  --seq-3: #5598e7;
  --seq-4: #256abf;
  --seq-5: #104281;
  --good: #1a7f37;
  --warn: #9a6700;
  --crit: #c62828;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121211;
    --surface-1: #1a1a19;
    --surface-2: #242422;
    --border: #33332f;
    --text-primary: #f0efec;
    --text-secondary: #c3c2b7;
    --text-muted: #8f8e86;
    --grid: #2c2c29;
    --accent: #3987e5;
    --kerja: #3987e5;
    --nonkerja: #d95926;
    --netral: #199e70;
    --seq-0: #1f2530;
    --seq-1: #184f95;
    --seq-2: #1c5cab;
    --seq-3: #2a78d6;
    --seq-4: #5598e7;
    --seq-5: #9ec5f4;
    --good: #4ac26b;
    --warn: #d4a72c;
    --crit: #f47067;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121211;
  --surface-1: #1a1a19;
  --surface-2: #242422;
  --border: #33332f;
  --text-primary: #f0efec;
  --text-secondary: #c3c2b7;
  --text-muted: #8f8e86;
  --grid: #2c2c29;
  --accent: #3987e5;
  --kerja: #3987e5;
  --nonkerja: #d95926;
  --netral: #199e70;
  --seq-0: #1f2530;
  --seq-1: #184f95;
  --seq-2: #1c5cab;
  --seq-3: #2a78d6;
  --seq-4: #5598e7;
  --seq-5: #9ec5f4;
  --good: #4ac26b;
  --warn: #d4a72c;
  --crit: #f47067;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--text-muted); }
.err { color: var(--crit); min-height: 1.2em; }
a { color: var(--accent); }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; }

.btn {
  font: inherit; border: 1px solid var(--border); background: var(--surface-1); color: var(--text-primary);
  border-radius: 8px; padding: 7px 12px; cursor: pointer;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:disabled { opacity: .6; cursor: progress; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.danger { color: var(--crit); }
input, select, textarea {
  font: inherit; color: var(--text-primary); background: var(--surface-1);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; max-width: 100%;
}
label { display: grid; gap: 4px; color: var(--text-secondary); font-size: 13px; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); display: grid; gap: 12px; }

/* layout */
.topbar {
  display: flex; align-items: center; gap: 16px; padding: 10px 16px;
  background: var(--surface-1); border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.brand { font-weight: 700; }
#tabs { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
#tabs a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--text-secondary); }
#tabs a.active { background: var(--surface-2); color: var(--text-primary); font-weight: 600; }
.top-right { display: flex; gap: 4px; }
.filters {
  display: flex; gap: 12px; align-items: end; flex-wrap: wrap; padding: 12px 16px 0;
  max-width: 1280px; margin: 0 auto;
}
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { font: inherit; border: 0; background: var(--surface-1); color: var(--text-secondary); padding: 7px 12px; cursor: pointer; }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--accent); color: #fff; }
.date-in { display: flex; align-items: center; gap: 6px; }
main { max-width: 1280px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 16px; min-width: 0; }
.grid2 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* KPI */
.kpis { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.kpi { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.kpi .k-label { color: var(--text-secondary); font-size: 13px; }
.kpi .k-val { font-size: 26px; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .k-sub { color: var(--text-muted); font-size: 12px; }

/* legend */
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.sw { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.sw.kerja { background: var(--kerja); } .sw.netral { background: var(--netral); } .sw.nonkerja { background: var(--nonkerja); }

/* charts */
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { fill: var(--text-muted); font-size: 11px; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .hit { fill: transparent; cursor: pointer; }
.chart .hit:hover + .hl, .chart .hl.on { opacity: 1; }
.chart .hl { fill: var(--text-primary); opacity: 0; pointer-events: none; }
.heat-wrap { overflow-x: auto; }
.heat rect.cell { stroke: var(--surface-1); stroke-width: 2; }
.heat rect.cell:hover { stroke: var(--text-primary); }
.tip {
  position: fixed; z-index: 50; pointer-events: none; opacity: 0; transition: opacity .08s;
  background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(0,0,0,.15); border-radius: 8px; padding: 8px 10px; font-size: 12px; min-width: 150px;
}
.tip.on { opacity: 1; }
.tip .t-head { font-weight: 600; margin-bottom: 4px; }
.tip .t-row { display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.tip .t-row b { font-variant-numeric: tabular-nums; }

/* tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
th { color: var(--text-secondary); font-weight: 600; font-size: 12px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--surface-2); }
.sub { color: var(--text-muted); font-size: 12px; }
.bar { display: flex; height: 10px; width: 160px; border-radius: 4px; overflow: hidden; background: var(--surface-2); gap: 2px; }
.bar i { display: block; height: 100%; }
.bar i.kerja { background: var(--kerja); } .bar i.netral { background: var(--netral); } .bar i.nonkerja { background: var(--nonkerja); }
.status { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; }
.status.good { color: var(--good); } .status.warn { color: var(--warn); } .status.crit { color: var(--crit); }
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-secondary); }
select.cat { padding: 4px 8px; }

/* AI report */
.report { line-height: 1.6; }
.report h1, .report h2, .report h3 { margin: 16px 0 6px; }
.report table { margin: 8px 0; }
.report td, .report th { white-space: normal; }
.report-item { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 12px; }
.empty { padding: 32px; text-align: center; color: var(--text-muted); }
code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
ol.steps li { margin-bottom: 6px; }
.days { display: flex; gap: 8px; flex-wrap: wrap; }
.days label { display: inline-flex; align-items: center; gap: 4px; color: var(--text-primary); }

@media (max-width: 640px) {
  .topbar { gap: 8px; }
  .kpi .k-val { font-size: 22px; }
  .bar { width: 100px; }
}