:root {
  color-scheme: light;
  --page: #f6f6f3;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6f6e69;
  --grid: #e1e0d9;
  --line: #d6d5ce;
  --axis: #c3c2b7;
  --accent: #1c5cab;
  --accent-ink: #ffffff;
  --accent-soft: #e3eefc;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948;
  --seq-lo: #f3f8fe; --seq-hi: #0d366b;
  --div-neg: #2a78d6; --div-mid: #f0efec; --div-pos: #e34948;
  --good: #006300; --warn-bg: #fff4d6; --warn-ink: #7a5300; --bad: #b42f2f; --bad-bg: #fde8e8;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 2px 8px rgba(0,0,0,.04);
  --font: "Inter", 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; --ink: #f0efec; --ink-2: #c3c2b7; --muted: #9a9890;
    --grid: #2c2c2a; --line: #383835; --axis: #4a4a46; --accent: #5598e7; --accent-ink: #0b0b0b; --accent-soft: #1b2a3d;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --seq-lo: #1f2630; --seq-hi: #9ec5f4; --div-neg: #3987e5; --div-mid: #383835; --div-pos: #e66767;
    --good: #0ca30c; --warn-bg: #3a2e0f; --warn-ink: #f5c95c; --bad: #ff8a8a; --bad-bg: #3a1c1c;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321; --ink: #f0efec; --ink-2: #c3c2b7; --muted: #9a9890;
  --grid: #2c2c2a; --line: #383835; --axis: #4a4a46; --accent: #5598e7; --accent-ink: #0b0b0b; --accent-soft: #1b2a3d;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --seq-lo: #1f2630; --seq-hi: #9ec5f4; --div-neg: #3987e5; --div-mid: #383835; --div-pos: #e66767;
  --good: #0ca30c; --warn-bg: #3a2e0f; --warn-ink: #f5c95c; --bad: #ff8a8a; --bad-bg: #3a1c1c;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.35rem; } h2 { font-size: 1.05rem; } h3 { font-size: .95rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.num { font-variant-numeric: tabular-nums; }

/* Header */
.top { position: sticky; top: 0; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
.top-in { max-width: 1440px; margin: 0 auto; padding: .6rem 1rem; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.brand { display: flex; gap: .6rem; align-items: center; }
.brand b { display: block; font-size: 1rem; }
.brand small { display: block; color: var(--muted); font-size: .78rem; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, var(--s1), var(--s3)); display: inline-block; }
.tabs { display: flex; gap: .25rem; flex-wrap: wrap; }
.tab { border: 0; background: none; color: var(--ink-2); padding: .5rem .8rem; border-radius: 8px; font: inherit; font-weight: 550; cursor: pointer; }
.tab:hover { background: var(--surface-2); }
.tab[aria-selected="true"] { background: var(--accent-soft); color: var(--accent); }
.top-right { margin-left: auto; display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.badge { font-size: .75rem; padding: .1rem .5rem; border-radius: 99px; background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line); }

/* Layout */
main.app { max-width: 1440px; margin: 0 auto; padding: 1rem; }
.split { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 1rem; align-items: start; }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; } }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; }
.panel + .panel { margin-top: 1rem; }
.side { position: sticky; top: 4.2rem; max-height: calc(100vh - 5rem); overflow: auto; }
@media (max-width: 960px) { .side { position: static; max-height: none; } }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
@media (max-width: 1200px) { .grid2 { grid-template-columns: 1fr; } }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* Forms */
fieldset { border: 0; padding: 0; margin: 0 0 1rem; }
legend { font-weight: 650; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: .4rem; padding: 0; }
label { display: block; font-size: .85rem; color: var(--ink-2); margin-bottom: .55rem; }
label.inline { display: flex; align-items: center; gap: .4rem; }
input[type=number], input[type=text], input[type=password], input[type=date], select {
  display: block; width: 100%; margin-top: .2rem; padding: .42rem .55rem; border: 1px solid var(--line); border-radius: 7px;
  background: var(--surface); color: var(--ink); font: inherit; font-variant-numeric: tabular-nums;
}
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 .6rem; }
.f3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 .5rem; }
.hint { font-size: .78rem; color: var(--muted); margin: -.3rem 0 .6rem; }
.src { font-size: .75rem; color: var(--muted); }
.ph { background: var(--warn-bg) !important; }
.tag-ph { display: inline-block; font-size: .7rem; padding: 0 .35rem; border-radius: 4px; background: var(--warn-bg); color: var(--warn-ink); font-weight: 600; }
.tag-src { display: inline-block; font-size: .7rem; padding: 0 .35rem; border-radius: 4px; background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.mtable { width: 100%; border-collapse: collapse; font-size: .8rem; }
.mtable td { padding: 1px 2px; } .mtable input { padding: .2rem .3rem; margin: 0; font-size: .8rem; }
.mtable td:first-child { width: 2.6rem; color: var(--muted); }

/* Buttons */
.btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: .45rem .85rem; border-radius: 8px; font: inherit; font-weight: 550; cursor: pointer; text-decoration: none; display: inline-flex; gap: .35rem; align-items: center; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { padding: .2rem .55rem; font-size: .8rem; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .6rem; margin-bottom: 1rem; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .7rem .85rem; }
.kpi span { display: block; font-size: .75rem; color: var(--muted); }
.kpi b { display: block; font-size: 1.3rem; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: .1rem; }
.kpi small { color: var(--ink-2); font-size: .75rem; }

/* Charts */
.chart-h { display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; margin-bottom: .2rem; }
.chart-h p { margin: 0; }
.chart { width: 100%; height: 340px; }
.chart.tall { height: 520px; }

/* Tables */
.tbl-wrap { overflow: auto; }
table.data { border-collapse: collapse; width: 100%; font-size: .82rem; font-variant-numeric: tabular-nums; }
table.data th, table.data td { padding: .38rem .55rem; border-bottom: 1px solid var(--grid); text-align: right; white-space: nowrap; }
table.data th { color: var(--muted); font-weight: 600; font-size: .75rem; text-transform: uppercase; letter-spacing: .03em; position: sticky; top: 0; background: var(--surface); }
table.data td:first-child, table.data th:first-child, table.data .l { text-align: left; }
table.data tr:hover td { background: var(--surface-2); }
table.data td.wrap { white-space: normal; text-align: left; min-width: 16rem; }

/* Month-hour mask grid */
.mask { border-collapse: collapse; font-size: .68rem; user-select: none; }
.mask th { color: var(--muted); font-weight: 500; padding: 0 1px; }
.mask td { width: 11px; height: 15px; padding: 0; border: 1px solid var(--surface); background: var(--surface-2); cursor: pointer; }
.mask td.on { background: var(--s1); }
.mask.dis td.on { background: var(--s2); }
.mask-wrap { overflow-x: auto; margin-bottom: .4rem; }

/* Misc */
.alert { background: var(--bad-bg); color: var(--bad); padding: .5rem .7rem; border-radius: 8px; }
.note { background: var(--warn-bg); color: var(--warn-ink); padding: .5rem .7rem; border-radius: 8px; font-size: .85rem; }
.ok { color: var(--good); }
.progress { height: 6px; border-radius: 99px; background: var(--surface-2); overflow: hidden; margin: .5rem 0; }
.progress > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.empty { padding: 2rem; text-align: center; color: var(--muted); }
[hidden] { display: none !important; }
.toast { position: fixed; bottom: 1rem; right: 1rem; background: var(--ink); color: var(--surface); padding: .6rem .9rem; border-radius: 8px; box-shadow: var(--shadow); z-index: 50; max-width: 26rem; }
details summary { cursor: pointer; color: var(--ink-2); font-weight: 600; margin: .3rem 0; }

/* Login */
body.login { display: grid; place-items: center; min-height: 100vh; padding: 1rem; }
.login-card { width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 1.6rem; box-shadow: var(--shadow); }
.login-card h1 { margin: 1.2rem 0 .8rem; }
.login-card .btn { width: 100%; justify-content: center; margin-top: .3rem; }

/* Let grid children shrink so wide content scrolls inside its own box on small screens. */
.split > *, .grid2 > *, .kpis > * { min-width: 0; }
@media (max-width: 600px) {
  main.app { padding: .75rem 16px; }
  .top-in { padding: .5rem 16px; }
  .chart.tall { height: 460px; }
}