:root {
  --bg: #f7f6f2;
  --panel: #ffffff;
  --panel-2: #f1efe8;
  --ink: #1b1d22;
  --ink-2: #4a4f59;
  --muted: #7a808c;
  --line: #e2dfd5;
  --accent: #d98a00;
  --accent-ink: #1b1d22;
  --accent-soft: #fbefd6;
  --int: #0e7c86;
  --float: #2f6fd0;
  --date: #8a4fd0;
  --bool: #b06d00;
  --str: #2f8a4a;
  --warn: #b5470b;
  --warn-soft: #fdebdf;
  --info: #2f6fd0;
  --info-soft: #e5eefb;
  --bar: #0e7c86;
  --term-bg: #0d1117;
  --term-ink: #e6edf3;
  --shadow: 0 1px 2px rgba(20, 20, 20, .04), 0 8px 24px rgba(20, 20, 20, .06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1016;
    --panel: #151a22;
    --panel-2: #1b212b;
    --ink: #e8ebf0;
    --ink-2: #b7bec9;
    --muted: #7f8896;
    --line: #262d38;
    --accent: #f7a41d;
    --accent-soft: #2b2312;
    --int: #4fd1db;
    --float: #79b0ff;
    --date: #c9a2ff;
    --bool: #f0b84a;
    --str: #7ee2a0;
    --warn: #ff9a62;
    --warn-soft: #2d1d14;
    --info: #79b0ff;
    --info-soft: #152238;
    --bar: #4fd1db;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: inherit; }
code, pre, .mono, td.num, .terminal { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* header */
.top { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 85%, transparent); position: sticky; top: 0; z-index: 5; backdrop-filter: blur(8px); }
.top-row { display: flex; align-items: center; justify-content: space-between; height: 58px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; text-decoration: none; letter-spacing: -.01em; }
.brand .deva { font-weight: 500; color: var(--muted); }
.logo { width: 26px; height: 26px; border-radius: 7px; background: var(--accent); position: relative; flex: none; }
.logo::after { content: ""; position: absolute; inset: 6px 6px 6px 6px; background:
  linear-gradient(var(--accent-ink), var(--accent-ink)) 0 100% / 2.5px 60% no-repeat,
  linear-gradient(var(--accent-ink), var(--accent-ink)) 33% 100% / 2.5px 40% no-repeat,
  linear-gradient(var(--accent-ink), var(--accent-ink)) 66% 100% / 2.5px 100% no-repeat,
  linear-gradient(var(--accent-ink), var(--accent-ink)) 100% 100% / 2.5px 30% no-repeat; }
nav { display: flex; gap: 18px; font-size: 14px; }
nav a { text-decoration: none; color: var(--ink-2); }
nav a:hover { color: var(--ink); }
nav .gh { color: var(--ink); font-weight: 600; }

/* hero */
.hero { padding: 48px 0 20px; max-width: 760px; }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.08; letter-spacing: -.025em; margin: 0 0 14px; }
h1 em { font-style: normal; color: var(--accent); }
.lede { color: var(--ink-2); font-size: 16.5px; margin: 0; }

/* input */
.input { margin: 26px 0 8px; }
.drop {
  display: grid; justify-items: center; gap: 6px; padding: 34px 20px; cursor: pointer;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 55%, var(--line)); border-radius: 16px;
  background: var(--panel); box-shadow: var(--shadow); text-align: center; transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop:focus-within { outline: 2px solid var(--accent); outline-offset: 3px; }
.drop-icon { width: 38px; height: 38px; border-radius: 10px; background: var(--accent-soft); position: relative; margin-bottom: 4px; }
.drop-icon::before { content: ""; position: absolute; left: 50%; top: 9px; width: 2px; height: 16px; background: var(--accent); transform: translateX(-50%); }
.drop-icon::after { content: ""; position: absolute; left: 50%; top: 9px; width: 9px; height: 9px; border-left: 2px solid var(--accent); border-top: 2px solid var(--accent); transform: translateX(-50%) rotate(45deg); transform-origin: center; }
.drop-title { font-weight: 600; font-size: 17px; }
.drop-sub { color: var(--muted); font-size: 13.5px; }
.samples { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; font-size: 14px; }
.chip, .ghost, .tabs button {
  font: inherit; font-size: 13.5px; color: var(--ink); background: var(--panel); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 13px; cursor: pointer;
}
.chip:hover, .ghost:hover { border-color: var(--accent); }
.chip:disabled { opacity: .5; cursor: progress; }
.options { margin-top: 12px; font-size: 14px; }
.options summary { cursor: pointer; color: var(--ink-2); width: max-content; }
.opt-grid { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 10px; align-items: center; }
.opt-grid select { font: inherit; margin-left: 6px; padding: 3px 6px; border-radius: 7px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); }

/* progress */
.progress { margin: 22px 0; }
.bar { height: 6px; background: var(--panel-2); border-radius: 99px; overflow: hidden; }
#bar-fill { height: 100%; width: 0; background: var(--accent); transition: width .12s linear; }
.progress-text { display: flex; justify-content: space-between; margin-top: 8px; font-size: 13.5px; font-variant-numeric: tabular-nums; }
.error { margin: 22px 0; padding: 14px 16px; border-radius: 12px; background: var(--warn-soft); color: var(--warn); }

/* results */
#results { margin-top: 26px; }
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(104px, 1fr)); gap: 10px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat b { display: block; font-size: 20px; white-space: nowrap; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 12.5px; }
.stat.hl b { color: var(--accent); }

.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; margin: 22px 0 12px; }
.tabs { display: flex; gap: 6px; }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.actions { display: flex; gap: 6px; }

.findings { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 460px), 1fr)); gap: 6px; margin-bottom: 14px; }
.finding { display: flex; gap: 10px; align-items: baseline; padding: 8px 12px; border-radius: 10px; font-size: 14px; }
.finding.warn { background: var(--warn-soft); }
.finding.info { background: var(--info-soft); }
.finding .sev { font-weight: 700; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; flex: none; width: 36px; }
.finding.warn .sev { color: var(--warn); }
.finding.info .sev { color: var(--info); }
.finding .col { font-family: "JetBrains Mono", monospace; font-weight: 600; flex: none; }

.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
table.cols { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.cols th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.cols td { padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
.cols tr.row { cursor: pointer; }
.cols tr.row:hover td { background: var(--panel-2); }
.cols tr.row.open td { background: var(--panel-2); border-bottom-color: transparent; }
.cols .num, .cols th.num { text-align: right; font-variant-numeric: tabular-nums; }
.cols td.name { font-weight: 600; max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
.approx { color: var(--accent); font-weight: 700; }
.type { font-family: "JetBrains Mono", monospace; font-size: 12px; font-weight: 500; padding: 2px 7px; border-radius: 6px; background: var(--panel-2); }
.t-integer { color: var(--int); } .t-float { color: var(--float); } .t-date, .t-datetime { color: var(--date); }
.t-boolean { color: var(--bool); } .t-string { color: var(--str); } .t-mixed { color: var(--warn); } .t-empty { color: var(--muted); }
.nulls { display: inline-flex; align-items: center; gap: 7px; }
.nullbar { width: 38px; height: 5px; border-radius: 9px; background: var(--panel-2); overflow: hidden; }
.nullbar i { display: block; height: 100%; background: var(--warn); }
.shape { min-width: 210px; }
.spark { display: block; }
.spark rect { fill: var(--bar); }
.spark.date rect { fill: var(--date); }
.tops { display: flex; gap: 8px; color: var(--ink-2); overflow: hidden; max-width: 360px; -webkit-mask-image: linear-gradient(90deg, #000 82%, transparent); mask-image: linear-gradient(90deg, #000 82%, transparent); }
.tops span { white-space: nowrap; }
.tops em { font-style: normal; color: var(--muted); font-size: 12px; margin-left: 3px; }
.detail td { padding: 4px 12px 18px; background: var(--panel-2); }
.detail-grid { position: sticky; left: 12px; max-width: min(1100px, calc(100vw - 72px)); display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; white-space: normal; }
.detail h4 { margin: 8px 0 6px; font-size: 12px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .05em; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 14px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: "JetBrains Mono", monospace; text-align: right; }
.toplist { display: grid; gap: 4px; font-size: 13px; }
.toplist div { display: grid; grid-template-columns: 1fr auto; gap: 10px; position: relative; padding: 2px 6px; border-radius: 5px; overflow: hidden; }
.toplist div i { position: absolute; inset: 0 auto 0 0; background: color-mix(in srgb, var(--accent) 18%, transparent); z-index: 0; }
.toplist div span, .toplist div b { position: relative; z-index: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toplist b { font-weight: 500; font-family: "JetBrains Mono", monospace; }
.hint { font-size: 13px; margin: 10px 2px 0; }

.terminal { background: var(--term-bg); color: var(--term-ink); border-radius: 14px; padding: 18px 20px; font-size: 12.5px; line-height: 1.5; overflow-x: auto; margin: 0; box-shadow: var(--shadow); }

/* how */
.how { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; margin: 64px 0 30px; padding-top: 34px; border-top: 1px solid var(--line); }
.how h2 { font-size: 17px; margin: 0 0 8px; letter-spacing: -.01em; }
.how p { color: var(--ink-2); margin: 0; font-size: 14.5px; }
.how code { font-size: 13px; }
.cmd { background: var(--term-bg); color: var(--term-ink); border-radius: 10px; padding: 10px 14px; margin: 10px 0 0; font-size: 13px; overflow-x: auto; }
.foot { display: flex; justify-content: space-between; gap: 12px; padding-top: 18px; padding-bottom: 36px; color: var(--muted); font-size: 13px; }
.foot a { color: var(--muted); }

@media (max-width: 640px) {
  nav a:not(.gh) { display: none; }
  .hero { padding-top: 30px; }
  .drop { padding: 26px 14px; }
  .toolbar { align-items: stretch; }
}