:root {
  --bg: #f6f6f3; --surface: #ffffff; --surface2: #f0f0ec; --text: #1b1e22; --muted: #5d646d; --line: #dcdcd6; --grid: #e7e7e2;
  --accent: #1d4ed8; --accent-ink: #ffffff; --c0: #2563eb; --c1: #0f766e; --c2: #7c3aed; --c3: #b45309;
  --neg: #dc2626; --warn: #c2410c; --good: #15803d; --rec: rgba(110, 110, 120, 0.13); --shadow: 0 1px 2px rgba(0,0,0,.05), 0 2px 8px rgba(0,0,0,.04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1115; --surface: #161a20; --surface2: #1d222a; --text: #e6e8eb; --muted: #9ba3ad; --line: #2a3039; --grid: #242a32;
    --accent: #60a5fa; --accent-ink: #0b1220; --c0: #60a5fa; --c1: #2dd4bf; --c2: #c4b5fd; --c3: #fbbf24;
    --neg: #f87171; --warn: #fb923c; --good: #4ade80; --rec: rgba(160, 170, 185, 0.12); --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1115; --surface: #161a20; --surface2: #1d222a; --text: #e6e8eb; --muted: #9ba3ad; --line: #2a3039; --grid: #242a32;
  --accent: #60a5fa; --accent-ink: #0b1220; --c0: #60a5fa; --c1: #2dd4bf; --c2: #c4b5fd; --c3: #fbbf24;
  --neg: #f87171; --warn: #fb923c; --good: #4ade80; --rec: rgba(160, 170, 185, 0.12); --shadow: none;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.small { font-size: 0.875rem; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--surface); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); text-decoration: none; }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.back { font-size: 0.875rem; text-decoration: none; }
.acct { max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
main { max-width: 1120px; margin: 0 auto; padding: 0 16px 32px; }
.hero { padding: 28px 0 12px; }
.hero h1 { margin: 0 0 6px; font-size: clamp(1.6rem, 3.6vw, 2.3rem); line-height: 1.15; letter-spacing: -0.01em; }
.hero p { margin: 0 0 12px; max-width: 760px; color: var(--muted); }
.freshness { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 16px 0; box-shadow: var(--shadow); }
.card h2 { margin: 0 0 10px; font-size: 1.2rem; }
h3 { font-size: 1rem; margin: 14px 0 6px; }
.btn { font: inherit; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); border-radius: 8px; padding: 8px 14px; cursor: pointer; min-height: 40px; }
.btn.small { padding: 5px 11px; min-height: 34px; font-size: 0.875rem; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn.ghost:hover:not(:disabled) { background: var(--surface2); filter: none; }
.btn:disabled { opacity: 0.55; cursor: progress; }
.icon-btn { background: transparent; border: 1px solid var(--line); color: var(--text); border-radius: 8px; width: 36px; height: 36px; display: inline-grid; place-items: center; cursor: pointer; }
.linkish { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; text-decoration: underline; font: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.status { color: var(--muted); }
.status.err { color: var(--neg); }
.summary { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.summary li { display: grid; grid-template-columns: 12px 84px 1fr; gap: 8px; align-items: baseline; }
.summary .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); display: inline-block; }
.summary .tone-good .dot, .tone-good .dot { background: var(--good); }
.tone-warn .dot { background: var(--warn); }
.tone-bad .dot { background: var(--neg); }
@media (max-width: 560px) { .summary li { grid-template-columns: 12px 1fr; } .summary li > span:last-child { grid-column: 2; } }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.grid-h { grid-column: 1 / -1; margin: 10px 0 0; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.icard { text-align: left; font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; cursor: pointer; display: grid; grid-template-columns: 1fr auto; grid-template-areas: "n n" "v s" "p s" "d d"; gap: 0 8px; box-shadow: var(--shadow); }
.icard:hover { border-color: var(--accent); }
.icard.on { border-color: var(--accent); outline: 1px solid var(--accent); }
.iname { grid-area: n; font-size: 0.85rem; color: var(--muted); }
.ival { grid-area: v; font-size: 1.45rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.iper { grid-area: p; }
.idelta { grid-area: d; color: var(--muted); }
.spark { grid-area: s; width: 96px; height: 34px; align-self: center; }
.spark path { fill: none; stroke: var(--c0); stroke-width: 1.6; }
.spark circle { fill: var(--c0); }
.spark rect { fill: var(--c0); }
.spark rect.neg { fill: var(--neg); }
.spark .zero { stroke: var(--grid); }
.chart-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 10px; }
.chart-head h2 { margin: 0; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; }
.curve-controls { flex: 1 1 320px; justify-content: flex-end; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 3px; font-size: 0.8rem; color: var(--muted); }
.field.grow { flex: 1 1 200px; }
select, input[type="text"], input[type="month"], textarea { font: inherit; font-size: 0.95rem; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; min-height: 38px; max-width: 100%; }
select { min-width: 190px; }
textarea { width: 100%; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.85rem; }
input[type="range"] { width: 100%; accent-color: var(--accent); min-height: 30px; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin: 12px 0 6px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { font: inherit; font-size: 0.85rem; background: var(--surface); color: var(--text); border: 0; border-right: 1px solid var(--line); padding: 6px 12px; cursor: pointer; min-height: 34px; }
.seg button:last-child { border-right: 0; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; cursor: pointer; }
.check input { width: 17px; height: 17px; accent-color: var(--accent); }
.what { margin: 4px 0 8px; }
.chart-box { position: relative; width: 100%; min-height: 200px; }
.chart { display: block; width: 100%; height: auto; font: 11px system-ui, sans-serif; touch-action: pan-y; }
.chart .tick { fill: var(--muted); }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .grid.zero { stroke: var(--muted); }
.chart .xt { stroke: var(--muted); }
.chart .rec { fill: var(--rec); }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .line.s0 { stroke: var(--c0); }
.chart .line.s1 { stroke: var(--c1); }
.chart .line.s2 { stroke: var(--c2); stroke-dasharray: 6 3; }
.chart .bar.s0 { fill: var(--c0); }
.chart .bar.neg { fill: var(--neg); }
.chart .dot.s0 { fill: var(--c0); } .chart .dot.s1 { fill: var(--c1); } .chart .dot.s2 { fill: var(--c2); }
.chart .target { stroke: var(--warn); stroke-dasharray: 5 4; stroke-width: 1.4; }
.chart .tlabel { fill: var(--warn); font-size: 10px; }
.chart .ev line { stroke: var(--muted); stroke-dasharray: 2 3; opacity: 0.7; }
.chart .ev circle { fill: var(--surface); stroke: var(--muted); }
.chart .ev.user circle { stroke: var(--c3); fill: var(--c3); }
.chart .ev.user text { fill: var(--surface); }
.chart .ev text { fill: var(--text); font-size: 9.5px; font-weight: 600; }
.chart .cross { stroke: var(--muted); stroke-width: 1; }
.tip { position: absolute; top: 8px; pointer-events: none; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 6px 9px; font-size: 0.8rem; box-shadow: 0 4px 14px rgba(0,0,0,.14); max-width: 260px; z-index: 2; }
.tip .tk { font-weight: 700; margin-bottom: 2px; }
.tip .tev { margin-top: 4px; color: var(--muted); }
.rtag { font-weight: 400; font-size: 0.72rem; background: var(--rec); border-radius: 4px; padding: 0 4px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 6px 0 0; color: var(--muted); }
.sw { display: inline-block; width: 14px; height: 4px; border-radius: 2px; margin-right: 6px; vertical-align: middle; background: var(--muted); }
.sw.s0 { background: var(--c0); } .sw.s1 { background: var(--c1); } .sw.s2 { background: var(--c2); }
.sw.rec { background: var(--rec); height: 12px; border: 1px solid var(--line); }
.sw.tgt { background: var(--warn); }
.split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 8px 28px; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }
.notes { margin: 0; padding-left: 18px; }
.notes li { margin: 4px 0; }
.evlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.evlist li { display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; }
.evn { display: inline-grid; place-items: center; min-width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--muted); font-size: 0.72rem; font-weight: 700; }
.evn.user { background: var(--c3); border-color: var(--c3); color: var(--surface); }
.evk { font-weight: 600; white-space: nowrap; }
.note-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 8px; margin-top: 12px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; }
.table-wrap { margin-top: 12px; }
.table-wrap summary, .paste summary { cursor: pointer; color: var(--accent); font-size: 0.9rem; }
.table-wrap table { border-collapse: collapse; width: 100%; max-width: 560px; margin-top: 8px; font-size: 0.875rem; font-variant-numeric: tabular-nums; }
.table-wrap th, .table-wrap td { text-align: right; padding: 4px 8px; border-bottom: 1px solid var(--grid); }
.table-wrap th:first-child, .table-wrap td:first-child { text-align: left; }
#table { max-height: 360px; overflow: auto; }
.curve-note { margin: 10px 0 0; }
.drop { border: 2px dashed var(--line); border-radius: 10px; padding: 22px; text-align: center; cursor: pointer; margin: 8px 0; }
.drop.over, .drop:hover { border-color: var(--accent); background: var(--surface2); }
.paste { margin: 8px 0; }
.paste textarea { margin: 8px 0; }
.mine { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.sources { padding-left: 18px; }
.sources li { margin: 4px 0; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; }
.foot { max-width: 1120px; margin: 0 auto; padding: 8px 16px 32px; }
@media (max-width: 560px) {
  .card { padding: 12px; border-radius: 10px; }
  select { min-width: 0; width: 100%; }
  .controls { width: 100%; }
  .controls .field { flex: 1 1 140px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .icard { grid-template-areas: "n n" "v v" "p p" "s s" "d d"; }
  .spark { width: 100%; }
  .ival { font-size: 1.25rem; }
  .back { display: none; }
}
.seg button[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); }
pre { background: var(--surface2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; font-size: 0.82rem; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.88em; }
.doc table { border-collapse: collapse; } .doc th, .doc td { text-align: left; padding: 4px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
[hidden] { display: none !important; }
.chart .cliplabel { fill: var(--text); font-size: 10px; font-weight: 600; }
.chart .bar.clip { opacity: 0.85; }