:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #5d6673;
  --border: #dfe3e8;
  --accent: #2563eb;
  --accent-2: #0d9488;
  --row-alt: #f9fafb;
  --s1: #2a78d6;
  --s2: #eb6834;
  --s3: #1baf7a;
  --s4: #eda100;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111418;
    --surface: #1a1f25;
    --text: #e6e9ed;
    --muted: #9aa4b0;
    --border: #2c333c;
    --accent: #6b9bff;
    --accent-2: #2dd4bf;
    --row-alt: #1f252c;
    --s1: #3987e5;
    --s2: #d95926;
    --s3: #199e70;
    --s4: #c98500;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111418;
  --surface: #1a1f25;
  --text: #e6e9ed;
  --muted: #9aa4b0;
  --border: #2c333c;
  --accent: #6b9bff;
  --accent-2: #2dd4bf;
  --row-alt: #1f252c;
  --s1: #3987e5;
  --s2: #d95926;
  --s3: #199e70;
  --s4: #c98500;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header, main, footer, .tabs { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 28px; padding-bottom: 8px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px 16px; }
.theme { flex: none; }
h1 { margin: 0; font-size: 1.6rem; }
h2 { margin: 0; font-size: 1.05rem; }
main {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding-top: 16px;
  padding-bottom: 16px;
}
@media (max-width: 860px) { main { grid-template-columns: minmax(0, 1fr); } }
form, .panel, .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}
form { padding: 4px 16px 12px; position: sticky; top: 16px; }
@media (max-width: 860px) { form { position: static; } }
fieldset { border: 0; padding: 0; margin: 12px 0; min-width: 0; }
legend, summary { font-weight: 600; padding: 0; margin-bottom: 8px; }
summary { cursor: pointer; margin: 12px 0 0; }
details fieldset { margin-top: 10px; }
label { display: block; margin-bottom: 10px; color: var(--muted); font-size: 0.88rem; }
.unit { font-size: 0.8rem; }
input, select {
  display: block;
  width: 100%;
  margin-top: 3px;
  padding: 7px 9px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.gap { margin-top: 14px; }
.name-row { display: flex; gap: 8px; align-items: end; margin-top: 12px; }
.name-row label { flex: 1; margin-bottom: 0; }
.hint { font-size: 0.8rem; color: var(--muted); margin: 4px 0 0; }
button {
  font: inherit;
  font-size: 0.88rem;
  padding: 6px 12px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
.lump { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) auto; gap: 0 8px; align-items: end; }
.lump .countWrap { grid-column: 1 / 3; grid-row: 2; }
.lump .countWrap input { max-width: 7em; }
.lump.no-count .countWrap { display: none; }
.sub-legend { font-weight: 600; font-size: 0.9rem; margin: 14px 0 6px; }
.sub-legend.group { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 16px; }
.lump label { margin-bottom: 8px; }
.lump input { padding-left: 7px; padding-right: 4px; }
.lumpNote { grid-column: 1 / -1; margin: -4px 0 8px; font-size: 0.8rem; color: var(--accent-2); }
.lumpNote.bad { color: var(--text); border-left: 3px solid var(--s2); padding-left: 7px; }
.lump .remove { margin-bottom: 8px; padding: 6px 10px; }
#results { display: grid; gap: 20px; min-width: 0; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 1050px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.card { padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.card .k { color: var(--muted); font-size: 0.82rem; }
.card .v { font-size: 1.45rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.card .d { color: var(--muted); font-size: 0.8rem; }
.card.primary .v { color: var(--accent); }
.save { color: var(--accent-2); font-weight: 600; }
.panel { padding: 14px 16px; min-width: 0; }
.panel-head { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; }
.seg { display: inline-flex; }
.seg button { border-radius: 0; }
.seg button:first-child { border-radius: 6px 0 0 6px; }
.seg button:last-child { border-radius: 0 6px 6px 0; border-left: 0; }
.seg button.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.legend { display: flex; gap: 14px; font-size: 0.82rem; color: var(--muted); flex-wrap: wrap; }
.legend i { display: inline-block; width: 14px; height: 3px; vertical-align: middle; margin-right: 5px; border-radius: 2px; }
.legend i.dash { height: 0; border-top: 2px dashed var(--muted); border-radius: 0; }
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; }
.chart text { fill: var(--muted); font-size: 11px; }
.chart .grid { stroke: var(--border); }
.chart .tip {
  position: absolute; pointer-events: none;
  background: var(--surface); border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 8px; font-size: 0.8rem; white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.table-wrap { overflow: auto; max-height: 520px; border: 1px solid var(--border); border-radius: 6px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 0.86rem; }
th, td { padding: 6px 10px; text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th { position: sticky; top: 0; background: var(--surface); border-bottom: 1px solid var(--border); font-weight: 600; }
tbody tr:nth-child(even) { background: var(--row-alt); }
td.lumpmark { color: var(--accent-2); font-weight: 600; }
footer { color: var(--muted); font-size: 0.8rem; padding-bottom: 28px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 10px; }
.tab { display: inline-flex; align-items: center; gap: 7px; background: var(--surface); }
.tab i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.tab.on { border-color: var(--text); font-weight: 600; }
.tab.add { color: var(--accent); border-style: dashed; }
.chart .dl { fill: var(--text); font-size: 12px; font-weight: 600; }
.sw { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.dim { color: var(--muted); }
.compare-wrap { max-height: none; }
table.compare th, table.compare td { padding: 7px 12px; }
table.compare tbody th { text-align: left; font-weight: 500; color: var(--muted); }
table.compare thead th { white-space: nowrap; }
table.compare td.best { color: var(--accent-2); font-weight: 650; }
table.compare tr.sep td { padding: 0; height: 6px; background: var(--surface); border-bottom: 1px solid var(--border); }
table.compare tbody tr:nth-child(even) { background: none; }
tr.recast td { box-shadow: inset 0 -2px 0 var(--accent-2); }
.error { margin: 0; padding: 12px 14px; border: 1px solid var(--s2); border-radius: 10px; background: var(--surface); }
[hidden] { display: none !important; }
input.computed { background: transparent; border-style: dashed; color: var(--text); font-weight: 600; cursor: default; }
input.computed:focus { outline: none; }
input.bad { border-color: var(--s2); box-shadow: 0 0 0 1px var(--s2); }
.picker { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding: 10px 16px; }
.series-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; }
.series-filter label { display: inline-flex; align-items: center; gap: 6px; margin: 0; color: var(--text); font-size: 0.86rem; cursor: pointer; }
.series-filter input { width: auto; margin: 0; padding: 0; accent-color: var(--accent); }
.series-filter .sw { margin-right: 0; }
.chart .empty { margin: 40px 0; text-align: center; color: var(--muted); }
.prompt { margin: 0; padding: 14px 16px; border: 1px dashed var(--border); border-radius: 10px; background: var(--surface); color: var(--muted); }
.card .v { overflow-wrap: anywhere; }
.series-filter #toggleAll { font-size: 0.86rem; }
#compareEmpty { margin: 18px 0; }
.prepaid { margin: -2px 0 10px; font-size: 0.86rem; }
.prepaid-head { color: var(--muted); margin-bottom: 4px; }
.prepaid label { display: flex; align-items: center; gap: 8px; margin: 0 0 4px; color: var(--text); font-size: 0.86rem; cursor: pointer; }
.prepaid input { width: auto; margin: 0; padding: 0; accent-color: var(--accent); }
.prepaid strong { font-variant-numeric: tabular-nums; min-width: 6.5em; }