:root {
  color-scheme: light;
  --page: #f6f7f5;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #1c5cab;
  --accent-soft: #cde2fb;
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --critical: #d03b3b;
  --critical-text: #b42a2a;
  --efficient: rgba(12, 163, 12, 0.16);
  --efficient-line: #0ca30c;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --bor-line: #2a78d6;
  --bto-line: #eb6834;
  --input-bg: #ffffff;
  --row-alt: #f7f7f4;
  --weekend: #fff6e5;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #262624;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #5598e7;
    --accent-soft: #184f95;
    --good-text: #0ca30c;
    --critical-text: #e66767;
    --efficient: rgba(12, 163, 12, 0.22);
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --bor-line: #3987e5;
    --bto-line: #d95926;
    --input-bg: #121211;
    --row-alt: #20201f;
    --weekend: #2a2418;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #262624;
  --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781; --grid: #2c2c2a; --axis: #383835;
  --border: rgba(255, 255, 255, 0.10); --accent: #5598e7; --accent-soft: #184f95;
  --good-text: #0ca30c; --critical-text: #e66767; --efficient: rgba(12, 163, 12, 0.22);
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --bor-line: #3987e5; --bto-line: #d95926;
  --input-bg: #121211; --row-alt: #20201f; --weekend: #2a2418;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; }
.mt { margin-top: 20px; }
.small { font-size: 12.5px; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 10px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 36px; height: 36px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--accent); color: #fff;
}
.app-title { font-weight: 700; font-size: 15px; }
.app-sub { color: var(--muted); font-size: 12px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tabs button {
  border: 0; background: transparent; color: var(--ink-2);
  padding: 8px 12px; border-radius: 6px; cursor: pointer; font: inherit;
}
.tabs button:hover { background: var(--surface-2); }
.tabs button.active { background: var(--accent-soft); color: var(--ink); font-weight: 600; }

main { padding: 20px 24px 48px; max-width: 1400px; margin: 0 auto; }
.page { display: none; }
.page.active { display: block; }
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 16px;
}
.filters { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.filters.inline { margin-bottom: 12px; }
.filters label, form label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; color: var(--ink-2);
}
form label { margin-bottom: 12px; }
input, select {
  font: inherit; color: var(--ink);
  background: var(--input-bg);
  border: 1px solid var(--axis);
  border-radius: 6px; padding: 6px 8px;
  min-height: 34px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.row { display: flex; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }

.btn {
  font: inherit; cursor: pointer;
  padding: 6px 14px; min-height: 34px;
  border-radius: 6px; border: 1px solid var(--axis);
  background: var(--surface); color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--critical-text); border-color: var(--critical); }
.btn.sm { padding: 2px 8px; min-height: 26px; font-size: 12px; }
.file-btn input { display: none; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
  min-width: 0;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid2 > .card { margin-bottom: 0; }
.grid2 { margin-bottom: 16px; }
.ruang-grid { grid-template-columns: minmax(260px, 360px) 1fr; }

.note {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 10px 14px; margin-bottom: 12px;
  font-size: 13px; color: var(--ink-2);
}
.empty {
  background: var(--surface); border: 1px dashed var(--axis);
  border-radius: 10px; padding: 24px; text-align: center; margin-bottom: 16px;
}

/* Tiles */
.tiles {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.tile {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 16px;
}
.tile .lbl { font-size: 12px; color: var(--ink-2); }
.tile .val { font-size: 26px; font-weight: 650; margin: 2px 0; }
.tile .val small { font-size: 14px; font-weight: 500; color: var(--ink-2); }
.tile .sub { font-size: 12px; color: var(--muted); }

/* Status badges: icon + label, never color alone */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11.5px; font-weight: 600; white-space: nowrap;
}
.badge::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: currentColor;
}
.badge.ok { color: var(--good-text); }
.badge.ok::before { background: var(--good); }
.badge.low, .badge.high { color: var(--critical-text); }
.badge.low::before, .badge.high::before { background: var(--critical); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td {
  padding: 6px 8px; border-bottom: 1px solid var(--grid);
  text-align: left; vertical-align: middle;
}
.tbl th {
  background: var(--surface-2); color: var(--ink-2);
  font-weight: 600; font-size: 12px; line-height: 1.25;
  position: sticky; top: 0;
}
.tbl thead tr:nth-child(2) th { top: 31px; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl th.num { text-align: right; }
.tbl tbody tr:nth-child(even) td { background: var(--row-alt); }
.tbl tfoot td { font-weight: 700; background: var(--surface-2); border-top: 2px solid var(--axis); }
.tbl td.calc { font-weight: 600; }
.tbl td.neg { color: var(--critical-text); }
.tbl td.neg::after { content: " !"; }

.sensus th { text-align: center; }
.sensus td { padding: 2px 4px; }
.sensus td.date { white-space: nowrap; padding: 2px 8px; }
.sensus tr.weekend td.date { background: var(--weekend); }
.sensus input {
  width: 64px; min-height: 28px; padding: 2px 6px;
  text-align: right; font-variant-numeric: tabular-nums;
}
.sensus input.tt { width: 54px; }
.sensus input:disabled {
  background: transparent; border-color: transparent; color: var(--ink);
  font-weight: 600;
}
.sensus tr.filled td.date { font-weight: 600; }
.sensus tr.future { opacity: .55; }

.rumus { font-size: 13px; }
.rumus dt { font-weight: 700; margin-top: 8px; }
.rumus dd { margin: 2px 0 0; color: var(--ink-2); font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }

/* Charts */
.chart svg { display: block; width: 100%; height: auto; }
.chart text { fill: var(--muted); font-size: 11px; font-family: system-ui, "Segoe UI", sans-serif; }
.chart .grid line { stroke: var(--grid); }
.chart .axis line, .chart .axis path { stroke: var(--axis); }
.chart .lbl-ink { fill: var(--ink-2); }
.chart .val-ink { fill: var(--ink); font-weight: 600; }
.chart .hit { fill: transparent; cursor: default; }

.bj-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr); gap: 16px; margin-bottom: 16px; }
.bj-layout > .card { margin-bottom: 0; }
.bj-chart-card { max-width: 820px; width: 100%; }
#bjChart svg { display: block; width: 100%; height: auto; }
#bjChart text { font-family: system-ui, "Segoe UI", sans-serif; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 10px; font-size: 12.5px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.legend i.line { width: 18px; height: 2px; border-radius: 1px; }
.legend i.area { width: 14px; height: 10px; border-radius: 2px; background: var(--efficient); border: 1px solid var(--efficient-line); }
.interp-item { border-bottom: 1px solid var(--grid); padding: 8px 0; font-size: 13px; }
.interp-item:last-child { border-bottom: 0; }
.interp-item b { display: inline-flex; align-items: center; gap: 6px; }

.tooltip {
  position: fixed; z-index: 100; pointer-events: none;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,.15);
  padding: 8px 10px; font-size: 12.5px; max-width: 260px;
}
.tooltip .t-title { font-weight: 700; margin-bottom: 4px; }
.tooltip .t-row { display: flex; justify-content: space-between; gap: 16px; }
.tooltip .t-row span:last-child { font-variant-numeric: tabular-nums; font-weight: 600; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--page);
  padding: 10px 16px; border-radius: 8px; z-index: 200; font-size: 13px;
}

.print-only { display: none; }

/* Kalkulator GBJ */
.kalk-input input { width: 100%; min-width: 80px; text-align: right; font-variant-numeric: tabular-nums; }
.kalk-input input.lbl { text-align: left; min-width: 140px; }
.kalk-input th .muted { font-weight: 400; font-size: 11px; }
.kalk-pilih { margin-bottom: 12px; }
.kalk-pilih label { flex-direction: row; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); display: flex; }
.kalk-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 16px; align-items: start; }
.interp-tbl td { vertical-align: top; }
.interp-tbl .ket { font-size: 12.5px; color: var(--ink-2); }
.kesimpulan { margin-top: 12px; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); font-size: 13px; }
.kesimpulan b { color: var(--ink); }
@media (max-width: 900px) { .kalk-layout { grid-template-columns: 1fr; } }
@media print { .kalk-layout { grid-template-columns: 1fr; } }
.langkah .step { padding: 8px 0; border-bottom: 1px solid var(--grid); }
.langkah .step:last-child { border-bottom: 0; }
.langkah .step b { display: block; }
.langkah .calc { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; color: var(--ink-2); line-height: 1.7; }
.langkah .calc .res { color: var(--ink); font-weight: 700; }
.langkah h3 { font-size: 14px; margin: 16px 0 4px; }

@media (max-width: 900px) {
  .grid2, .ruang-grid, .bj-layout { grid-template-columns: 1fr; }
  main { padding: 16px; }
  .topbar { padding: 10px 16px; gap: 10px; }
}

@media print {
  :root { color-scheme: light; }
  body { background: #fff; color: #000; font-size: 11px; }
  .topbar, .filters, .note, .btn, .tabs, .empty { display: none !important; }
  .print-only { display: block; }
  .print-head { text-align: center; margin-bottom: 10px; }
  .print-head h2 { margin: 0; font-size: 14px; }
  main { padding: 0; max-width: none; }
  .card { border: 0; padding: 0; }
  .table-wrap { overflow: visible; border: 0; }
  .tbl th, .tbl td { border: 1px solid #999; padding: 2px 4px; }
  .tbl th { position: static; }
  .sensus input { border: 0; width: auto; background: transparent; }
  .bj-layout { grid-template-columns: 1fr; }
}

/* Login & pengguna */
body.locked .topbar, body.locked main { display: none; }
body:not(.locked) .login-screen { display: none; }
body:not(.is-admin) .admin-only { display: none !important; }
.login-screen {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 28px; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.login-brand .logo { width: 44px; height: 44px; border-radius: 10px; }
.login-brand .app-title { font-size: 17px; }
.login-card input { width: 100%; }
.btn.block { width: 100%; margin-top: 4px; }
.login-error { color: var(--critical-text); font-size: 13px; margin: 0 0 12px; }
.login-hint { margin: 14px 0 0; text-align: center; }
.pw-wrap { position: relative; display: block; }
.pw-wrap input { padding-right: 56px; }
.pw-toggle {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  border: 0; background: transparent; color: var(--accent); cursor: pointer; font: inherit; font-size: 12px; padding: 4px 8px;
}
.user-menu { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.user-info { text-align: right; line-height: 1.25; margin-right: 4px; }
.user-name { font-weight: 600; font-size: 13px; }
.user-role { color: var(--muted); font-size: 11.5px; }
.dlg {
  border: 1px solid var(--border); border-radius: 12px; padding: 24px;
  background: var(--surface); color: var(--ink); width: min(380px, 92vw);
}
.dlg::backdrop { background: rgba(0, 0, 0, 0.4); }
.dlg input { width: 100%; }
.note-warn { background: var(--weekend); border-left: 4px solid var(--warning); padding: 8px 10px; border-radius: 6px; }
.users-grid { grid-template-columns: minmax(260px, 360px) 1fr; }
.users-grid .tbl select { min-height: 28px; padding: 2px 6px; }
@media (max-width: 800px) { .users-grid { grid-template-columns: 1fr; } }
@media print { .user-menu, .login-screen, .dlg { display: none !important; } }