:root {
  --bg: #fbfbfa; --panel: #ffffff; --ink: #1a1a1a; --muted: #5c5c5c;
  --line: #e4e4e1; --accent: #16896b; --accent2: #0b6; --warn: #b4690e;
  --raw: #9a6a00; --l1: #16896b; --ub: #6b6b6b; --code-bg: #f4f4f2;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 16px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15161a; --panel: #1d1f24; --ink: #ececec; --muted: #a0a4ad;
    --line: #2c2f36; --accent: #3ec7a0; --accent2: #3ec7a0; --warn: #e3a857;
    --raw: #e3a857; --l1: #3ec7a0; --ub: #9aa0aa; --code-bg: #15161a;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.3);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 900px; margin: 0 auto; padding: 32px 16px 80px; }
header h1 { font-size: 26px; margin: 0 0 4px; letter-spacing: -.01em; }
header .tag { color: var(--muted); font-size: 13px; margin: 0 0 18px; }
.blurb {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 20px; box-shadow: var(--shadow); margin-bottom: 14px; font-size: 14.5px;
}
.blurb b { color: var(--accent); }
.meta { font-size: 12.5px; color: var(--muted); margin: 10px 0 24px; }
.meta a { color: var(--accent2); }
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.panel h2 { font-size: 15px; margin: 0 0 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
button {
  font: inherit; font-weight: 600; border: 1px solid var(--line); background: var(--accent);
  color: #fff; border-radius: 9px; padding: 9px 16px; cursor: pointer; transition: opacity .15s;
}
button.secondary { background: transparent; color: var(--ink); }
button:disabled { opacity: .5; cursor: not-allowed; }
button:not(:disabled):hover { opacity: .9; }
textarea {
  width: 100%; min-height: 120px; margin-top: 12px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; padding: 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--code-bg); color: var(--ink);
}
input[type=file] { font: inherit; font-size: 13px; color: var(--muted); max-width: 100%; }
#status { font-size: 13.5px; color: var(--muted); margin-top: 12px; min-height: 20px; }
#status.err { color: #c0392b; }
.spin { display: inline-block; width: 12px; height: 12px; border: 2px solid var(--line);
  border-top-color: var(--accent); border-radius: 50%; animation: s .8s linear infinite; vertical-align: -1px; margin-right: 7px; }
@keyframes s { to { transform: rotate(360deg); } }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.card .k { font-size: 12px; color: var(--muted); }
.card .v { font-size: 24px; font-weight: 700; letter-spacing: -.02em; margin-top: 2px; }
.card .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.v.raw { color: var(--raw); } .v.l1 { color: var(--l1); } .v.ub { color: var(--ub); }
.bars { margin-top: 16px; }
.bar-row { display: grid; grid-template-columns: 110px 1fr 64px; align-items: center; gap: 10px; margin: 7px 0; font-size: 13px; }
.bar-track { background: var(--code-bg); border-radius: 6px; height: 16px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; margin-top: 4px; }
th, td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
.lbl { font-weight: 700; color: var(--accent); }
details { margin-top: 14px; }
summary { cursor: pointer; color: var(--muted); font-size: 13px; }
pre.md { background: var(--code-bg); border: 1px solid var(--line); border-radius: 9px; padding: 14px;
  overflow: auto; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11.5px; line-height: 1.5; }
.note { font-size: 12px; color: var(--muted); margin-top: 10px; }
.hidden { display: none; }
footer { margin-top: 30px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 16px; }
footer a { color: var(--accent2); }