:root {
  --bg: #f6f7f9; --card: #ffffff; --ink: #14181f; --muted: #5b6472; --line: #e3e6eb;
  --accent: #0b63ce; --accent-ink: #ffffff; --code: #0f1720; --code-ink: #dbe4ee;
  --leak: #c62828; --leak-bg: #fdecec; --safe: #1e7d43; --safe-bg: #e8f5ec; --unclear: #8a6100; --unclear-bg: #fff6dc;
  --wall: #5b3fc4; --wall-bg: #efeafd;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --card: #161a21; --ink: #e8ecf2; --muted: #9aa4b2; --line: #2a303a;
    --accent: #5aa2ff; --accent-ink: #08111d; --code: #0a0d12; --code-ink: #cfd8e3;
    --leak: #ff7a7a; --leak-bg: #3a1a1c; --safe: #6fd39a; --safe-bg: #13301f; --unclear: #f2c14e; --unclear-bg: #33290f;
    --wall: #b8a6ff; --wall-bg: #241d3d;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.top { border-bottom: 1px solid var(--line); background: var(--card); }
.top .row { height: 56px; }
.brand { font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--wall); box-shadow: 0 0 0 4px var(--wall-bg); }
.by { color: var(--muted); font-size: 14px; }
.hero { padding: 32px 0 8px; }
h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin: 0 0 12px; max-width: 820px; letter-spacing: -0.01em; }
.lead { color: var(--muted); max-width: 760px; margin: 0 0 24px; font-size: 17px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.form { padding: 20px; max-width: 760px; display: grid; gap: 12px; }
label { font-weight: 600; }
input[type=text] { width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); min-width: 0; }
input[type=text]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.urlrow { display: flex; gap: 8px; flex-wrap: wrap; }
.urlrow input { flex: 1 1 260px; }
.chip { font: inherit; font-size: 14px; padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); cursor: pointer; white-space: nowrap; }
.chip:hover { border-color: var(--accent); }
.more summary { cursor: pointer; color: var(--muted); font-size: 15px; }
.more[open] summary { margin-bottom: 8px; }
.hint, .fine { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.fine { margin: 0; }
.check { font-weight: 400; display: flex; gap: 8px; align-items: flex-start; }
.check input { margin-top: 5px; }
.go { font: inherit; font-weight: 700; padding: 12px 18px; border: 0; border-radius: 10px; background: var(--accent); color: var(--accent-ink); cursor: pointer; justify-self: start; }
.go:disabled { opacity: .6; cursor: wait; }
.err { color: var(--leak); background: var(--leak-bg); padding: 8px 12px; border-radius: 8px; margin: 0; }
.token { background: var(--code); color: var(--code-ink); padding: 10px 12px; border-radius: 8px; white-space: pre-wrap; word-break: break-all; font-size: 13px; }
.how { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 24px 0 8px; max-width: 1000px; }
.how div { display: grid; gap: 4px; padding: 12px 0; border-top: 2px solid var(--line); }
.how span { color: var(--muted); font-size: 14px; }
.livehead { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; padding: 24px 0 12px; flex-wrap: wrap; }
.livehead h2 { margin: 2px 0; font-size: 24px; word-break: break-all; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.status { font-weight: 600; padding: 6px 12px; border-radius: 999px; background: var(--wall-bg); color: var(--wall); }
.status.done { background: var(--safe-bg); color: var(--safe); }
.status.bad { background: var(--leak-bg); color: var(--leak); }
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.summary div { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.summary b { display: block; font-size: 26px; line-height: 1.1; }
.summary span { color: var(--muted); font-size: 14px; }
.summary .leakbox b { color: var(--leak); }
.cols { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; align-items: start; }
@media (max-width: 860px) { .cols { grid-template-columns: minmax(0, 1fr); } .walls { order: -1; } }
.sec { font-size: 16px; margin: 8px 0 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.timeline { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 10px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.step header { display: flex; gap: 10px; align-items: baseline; justify-content: space-between; flex-wrap: wrap; }
.step h4 { margin: 0; font-size: 16px; }
.step .sub { color: var(--muted); font-size: 14px; margin: 2px 0 0; }
.step .tag { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--bg); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.tag.leak { background: var(--leak-bg); color: var(--leak); border-color: transparent; }
.tag.safe { background: var(--safe-bg); color: var(--safe); border-color: transparent; }
.tag.unclear { background: var(--unclear-bg); color: var(--unclear); border-color: transparent; }
.tag.wall { background: var(--wall-bg); color: var(--wall); border-color: transparent; }
.step details { margin-top: 8px; }
.step summary { cursor: pointer; font-size: 14px; color: var(--accent); }
pre.code { background: var(--code); color: var(--code-ink); padding: 10px 12px; border-radius: 8px; overflow: auto; max-height: 360px; font-size: 12.5px; line-height: 1.45; margin: 8px 0 0; }
.meta { font-size: 13px; color: var(--muted); margin-top: 6px; }
.seal { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 4px; font-size: 14px; }
.seal li { display: flex; gap: 8px; }
.seal .ok { color: var(--safe); font-weight: 700; }
.seal .no { color: var(--leak); font-weight: 700; }
.walls { padding: 16px; position: sticky; top: 12px; }
.walls h3 { margin: 0 0 4px; color: var(--wall); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.stats div { background: var(--wall-bg); border-radius: 10px; padding: 8px 10px; }
.stats dt { font-size: 13px; color: var(--muted); }
.stats dd { margin: 0; font-size: 24px; font-weight: 700; color: var(--wall); }
.blocked { list-style: none; padding: 0; margin: 10px 0; display: grid; gap: 6px; font-size: 14px; }
.blocked li { border-left: 3px solid var(--wall); padding: 4px 8px; background: var(--bg); border-radius: 0 6px 6px 0; }
.blocked li b { display: block; }
.blocked li span { color: var(--muted); font-size: 12.5px; font-family: ui-monospace, Menlo, monospace; }
.limits { padding-left: 18px; margin: 8px 0 0; color: var(--muted); }
.finding { padding: 14px 16px; margin-bottom: 10px; border-left: 4px solid var(--line); }
.finding.leak { border-left-color: var(--leak); }
.finding.safe { border-left-color: var(--safe); }
.finding.unclear { border-left-color: var(--unclear); }
.finding h4 { margin: 0 0 4px; font-size: 17px; }
.finding p { margin: 6px 0; }
.finding .plain { font-size: 16px; }
.finding .ev { color: var(--muted); font-size: 14px; }
.finding .fix { white-space: pre-wrap; font-size: 14px; background: var(--bg); padding: 8px 10px; border-radius: 8px; }
.cta { padding: 16px; display: grid; gap: 6px; margin: 16px 0 8px; }
.cta span { color: var(--muted); }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 14px; padding-top: 32px; padding-bottom: 32px; border-top: 1px solid var(--line); margin-top: 32px; }
.spin { display: inline-block; width: 10px; height: 10px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: s .8s linear infinite; vertical-align: -1px; margin-right: 6px; }
@keyframes s { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin { animation: none; } }