:root {
  --bg: #f6f7f9; --card: #fff; --ink: #16181d; --muted: #5b6472; --line: #e4e7ec;
  --accent: #1c6dd0; --good: #128a4f; --good-bg: #e7f6ee; --warn: #b25e00; --warn-bg: #fdf1e3;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --card: #171b22; --ink: #e8eaed; --muted: #9aa4b2; --line: #262b34;
    --accent: #5ea0f0; --good: #4ad08a; --good-bg: #12271c; --warn: #e0a05a; --warn-bg: #2a2013;
    --shadow: 0 1px 3px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 820px; margin: 0 auto; padding: 32px 20px 64px; }
.hero h1 { font-size: clamp(1.5rem, 4vw, 2.1rem); line-height: 1.15; margin: 0 0 .4em; letter-spacing: -.02em; }
.hero .sub { font-size: 1.08rem; color: var(--muted); margin: 0 0 1em; }
.hero em { color: var(--ink); font-style: normal; font-weight: 600; }
.privacy { font-size: .9rem; color: var(--muted); background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 14px; box-shadow: var(--shadow); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px;
  box-shadow: var(--shadow); margin: 22px 0; }
.drop { border: 2px dashed var(--line); border-radius: 12px; padding: 28px; text-align: center; cursor: pointer;
  transition: border-color .15s, background .15s; }
.drop:hover, .drop:focus, .drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); outline: none; }
.drop-inner { display: flex; flex-direction: column; gap: 6px; }
.drop-inner strong { font-size: 1.05rem; }
.drop-inner span { color: var(--muted); }
.drop-inner small { color: var(--muted); font-size: .82rem; margin-top: 6px; }
.or { text-align: center; color: var(--muted); margin: 14px 0; font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; }
.btn { display: block; width: 100%; padding: 13px 18px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--accent); color: #fff; font-size: 1rem; font-weight: 600; }
.btn:hover { filter: brightness(1.06); }
.error { color: #c0392b; background: #fdecea; margin: 14px 0 0; padding: 10px 14px; border-radius: 8px; font-size: .9rem; }

/* results */
.verdict { border-radius: 14px; padding: 22px; margin: 22px 0; border: 1px solid var(--line); box-shadow: var(--shadow); }
.verdict.good { background: var(--good-bg); border-color: color-mix(in srgb, var(--good) 40%, var(--line)); }
.verdict.warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }
.verdict h2 { margin: 0 0 6px; font-size: 1.35rem; }
.verdict .big { font-size: clamp(1.8rem, 6vw, 2.6rem); font-weight: 800; letter-spacing: -.02em; margin: 4px 0; }
.verdict.good .big { color: var(--good); } .verdict.warn .big { color: var(--warn); }
.verdict p { margin: 6px 0 0; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 0 0 22px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat .k { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.stat .v { font-size: 1.5rem; font-weight: 700; margin-top: 2px; }
h3.sec { margin: 26px 0 10px; font-size: 1.05rem; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); font-size: .94rem; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }
tr.current td { font-weight: 700; }
.pill { font-size: .72rem; padding: 2px 8px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.delta-up { color: var(--warn); } .delta-down { color: var(--good); }
.variant td { color: var(--muted); font-size: .86rem; }
.tag { display: inline-block; font-size: .68rem; padding: 1px 7px; border-radius: 999px; background: color-mix(in srgb, var(--muted) 18%, transparent); color: var(--muted); white-space: nowrap; }
tr.est td:first-child { color: var(--muted); }
.opp { font-size: .9rem; background: var(--warn-bg); border: 1px solid color-mix(in srgb, var(--warn) 35%, var(--line)); border-radius: 10px; padding: 12px 14px; margin: 12px 0; }
/* load shape */
.shape { display: flex; height: 30px; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); margin: 6px 0; }
.shape .peak { background: var(--warn); } .shape .off { background: var(--good); }
.shape span { display: flex; align-items: center; justify-content: center; color: #fff; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.legend { font-size: .82rem; color: var(--muted); }
/* chart */
.chart { width: 100%; height: auto; }
.chart .bs { fill: var(--accent); } .chart .bt { fill: var(--warn); }
.chart text { fill: var(--muted); font-size: 9px; }
.chart-legend { display: flex; gap: 16px; font-size: .82rem; color: var(--muted); margin-top: 6px; }
.sw { display: inline-block; width: 11px; height: 11px; border-radius: 3px; vertical-align: middle; margin-right: 5px; }
.foot { margin-top: 32px; font-size: .9rem; color: var(--muted); }
.foot summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.foot p { margin: 10px 0; }
.foot a { color: var(--accent); word-break: break-all; }
.disclaimer { font-style: italic; }
.ver { font-size: .78rem; color: var(--muted); opacity: .8; margin-top: 14px; }