:root {
  --bg: #0b0c0e;
  --panel: #131519;
  --line: #23262d;
  --ink: #e9eaee;
  --dim: #8b909b;
  --accent: #b9f36a;
  --warn: #f0b429;
  --bad: #ff6b6b;
  --good: #6ee7a8;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans);
  font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

header {
  display: flex; align-items: baseline; gap: 12px;
  padding: 22px 24px; border-bottom: 1px solid var(--line);
}
.brand { font-family: var(--mono); text-decoration: none; letter-spacing: -.02em; }
.brand b { color: var(--accent); font-weight: 600; }
.tag { font-family: var(--mono); font-size: 12px; color: var(--dim); }

main { max-width: 820px; margin: 0 auto; padding: 56px 24px 80px; }

h1 { font-size: clamp(34px, 6vw, 54px); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 20px; }
h2 { font-size: 24px; letter-spacing: -.02em; margin: 0 0 6px; }
h3 { font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); margin: 0 0 8px; }
.lede { font-size: 18px; color: #c3c7d0; max-width: 60ch; margin: 0 0 32px; }
.fineprint { font-size: 13px; color: var(--dim); margin: 10px 0 0; }
.mono { font-family: var(--mono); font-size: 12.5px; color: var(--dim); }

form { display: flex; gap: 10px; flex-wrap: wrap; }
input[type=text] {
  flex: 1 1 320px; min-width: 0; padding: 15px 16px; font: inherit; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
}
input[type=text]:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button, .ghost {
  padding: 15px 20px; font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: #0b0c0e; border: 0; border-radius: 10px;
  text-decoration: none; display: inline-block;
}
button:disabled { opacity: .5; cursor: progress; }
.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); font-weight: 500; }
.ghost:hover { border-color: var(--dim); }
.row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }

.how { list-style: none; padding: 0; margin: 48px 0 0; display: grid; gap: 14px; }
.how li { border-top: 1px solid var(--line); padding-top: 14px; display: grid; gap: 4px; }
.how b { font-family: var(--mono); font-weight: 500; font-size: 13px; color: var(--accent); }
.how span { color: var(--dim); font-size: 15px; }

.steps { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; font-family: var(--mono); font-size: 14px; color: var(--dim); }
.steps li::before { content: "○  "; }
.steps li.on { color: var(--ink); }
.steps li.on::before { content: "◐  "; color: var(--accent); }
.steps li.done { color: var(--dim); }
.steps li.done::before { content: "●  "; color: var(--accent); }

.report-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.summary { font-size: 17px; color: #c3c7d0; margin: 20px 0 28px; }
.bar { display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 12.5px; color: var(--dim); border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.saved { color: var(--good); }

.claim {
  border: 1px solid var(--line); border-left: 3px solid var(--line); border-radius: 10px;
  background: var(--panel); padding: 16px 18px; margin: 14px 0;
}
.claim.confirmed { border-left-color: var(--good); }
.claim.removed { border-left-color: var(--bad); opacity: .55; }
.claim.removed .value { text-decoration: line-through; }
.claim.corrected { border-left-color: var(--warn); }
.claim-top { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.cat { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); }
.label { font-weight: 600; }
.conf { font-family: var(--mono); font-size: 11px; color: var(--dim); margin-left: auto; }
.flag { font-family: var(--mono); font-size: 11px; color: var(--warn); border: 1px solid rgba(240,180,41,.35); border-radius: 999px; padding: 1px 8px; }
.value { margin: 8px 0 0; }
.correction { margin: 10px 0 0; color: var(--warn); font-size: 15px; }
.correction b { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; display: block; color: var(--dim); }
.srcs { margin: 10px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.srcs a {
  font-family: var(--mono); font-size: 11.5px; color: var(--dim); text-decoration: none;
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px;
  max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.srcs a::before { content: "↗ "; }
.srcs a:hover { color: var(--ink); border-color: var(--dim); }
.acts { display: flex; gap: 8px; margin: 14px 0 0; flex-wrap: wrap; }
.acts button { padding: 7px 12px; font-size: 13px; font-weight: 500; border-radius: 8px; background: transparent; border: 1px solid var(--line); color: var(--dim); }
.acts button:hover { color: var(--ink); border-color: var(--dim); }
.acts button.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.editor { display: grid; gap: 8px; margin-top: 12px; }
textarea {
  width: 100%; min-height: 72px; padding: 12px; font: inherit; font-size: 15px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; resize: vertical;
}
.addition { display: grid; gap: 8px; grid-template-columns: 200px 1fr auto; align-items: start; margin: 10px 0; }
.addition input { padding: 11px 12px; font: inherit; font-size: 15px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
.addition button { padding: 11px 12px; font-size: 13px; background: transparent; border: 1px solid var(--line); color: var(--dim); }

.block { margin-top: 44px; border-top: 1px solid var(--line); padding-top: 22px; }
pre { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; overflow: auto; max-height: 340px; color: #b9bfcc; }
.sources { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.sources a { font-size: 14px; }
.sources span { display: block; font-family: var(--mono); font-size: 11.5px; color: var(--dim); }

footer {
  border-top: 1px solid var(--line); padding: 20px 24px; display: flex; gap: 16px;
  justify-content: space-between; flex-wrap: wrap; font-family: var(--mono); font-size: 12px; color: var(--dim);
}
@media (max-width: 620px) {
  .addition { grid-template-columns: 1fr; }
  main { padding-top: 36px; }
}