:root {
  --bg: #f5f6f8; --card: #fff; --text: #14181f; --muted: #566070; --border: #d9dde4;
  --accent: #1f4fd8; --accent-text: #fff; --focus: #1f4fd8;
  --ok: #176b3a; --ok-bg: #e3f4ea; --warn: #8a5300; --warn-bg: #fff1d6;
  --high: #a8350a; --high-bg: #ffe5d9; --bad: #9b111e; --bad-bg: #fde0e3; --unk: #4a5568; --unk-bg: #e8ebf0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f131a; --card: #171c26; --text: #e8ebf1; --muted: #9aa5b6; --border: #2b3342;
    --accent: #7ba2ff; --accent-text: #0b1020; --focus: #9bb8ff;
    --ok: #6fd89a; --ok-bg: #12301f; --warn: #f0c26a; --warn-bg: #3a2c0c;
    --high: #ff9d7a; --high-bg: #3b1d12; --bad: #ff8b97; --bad-bg: #3d141a; --unk: #b4bdcc; --unk-bg: #232a38;
  }
}
* { box-sizing: border-box; }
html { font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
body { margin: 0; background: var(--bg); color: var(--text); }
.wrap { max-width: 60rem; margin: 0 auto; padding: 0 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 1rem; top: 1rem; background: var(--card); padding: .5rem; z-index: 10; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.site-header { padding: 2rem 0 1rem; }
h1 { margin: 0; font-size: 2rem; letter-spacing: -.02em; }
.tagline { margin: .25rem 0 0; color: var(--muted); font-size: 1.1rem; }
.status { margin: .75rem 0 0; font-size: .875rem; color: var(--muted); }
h2, h3, h4 { line-height: 1.25; } h3 { margin: 0 0 .5rem; font-size: 1.15rem; } h4 { margin: 1.25rem 0 .25rem; font-size: 1rem; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: .75rem; padding: 1.25rem; margin: 1rem 0; }
.form label { display: block; font-weight: 600; margin-bottom: .4rem; }
.row { display: flex; gap: .5rem; flex-wrap: wrap; }
input[type=text] { flex: 1 1 18rem; min-width: 0; padding: .7rem .8rem; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: .5rem; }
button { font: inherit; cursor: pointer; border-radius: .5rem; border: 1px solid transparent; padding: .7rem 1.25rem;
  background: var(--accent); color: var(--accent-text); font-weight: 600; }
button:disabled { opacity: .55; cursor: not-allowed; }
button.secondary { background: transparent; color: var(--text); border-color: var(--border); padding: .4rem .9rem; }
button.link { background: none; color: var(--accent); padding: 0; border: 0; text-decoration: underline; font-weight: 400; }
.hint { color: var(--muted); font-size: .875rem; margin: .5rem 0 0; }
.examples { margin-top: .5rem; font-size: .875rem; color: var(--muted); display: flex; gap: .75rem; flex-wrap: wrap; }

.loading { display: flex; align-items: center; gap: 1rem; }
.loading p { margin: 0; }
.spinner { width: 1.5rem; height: 1.5rem; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--accent); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 4s; } }

.error { border-color: var(--bad); background: var(--bad-bg); color: var(--bad); }
.error p { margin: 0; }

.verdict-head { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }
.badge { display: inline-block; font-weight: 700; font-size: 1.25rem; padding: .5rem 1rem; border-radius: .5rem; border: 2px solid currentColor; }
.v-malicious { color: var(--bad); background: var(--bad-bg); } .v-high { color: var(--high); background: var(--high-bg); }
.v-suspicious { color: var(--warn); background: var(--warn-bg); } .v-clean { color: var(--ok); background: var(--ok-bg); }
.v-unknown { color: var(--unk); background: var(--unk-bg); }
.score { flex: 1 1 14rem; } .score-label { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.meter { position: relative; height: .75rem; background: var(--border); border-radius: 99px; overflow: hidden; margin: .3rem 0; }
.meter-fill { height: 100%; background: currentColor; border-radius: 99px; }
.score-text { font-size: .9rem; }
.target { word-break: break-all; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .9rem; background: var(--bg); padding: .5rem .7rem; border-radius: .4rem; margin: 1rem 0 .5rem; }
.reasons { margin: .25rem 0; padding-left: 1.25rem; } .reasons li { margin: .25rem 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.pill { display: inline-block; padding: .1rem .55rem; border-radius: 99px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.na { color: var(--muted); font-style: italic; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
td.desc { color: var(--muted); font-size: .85rem; }

.ml-bar { position: relative; height: 1.1rem; background: linear-gradient(90deg, var(--ok-bg), var(--warn-bg) 50%, var(--bad-bg)); border: 1px solid var(--border); border-radius: 99px; margin: .75rem 0 1.5rem; }
.ml-marker { position: absolute; top: -.35rem; width: 3px; height: 1.8rem; background: var(--text); }
.ml-marker span { position: absolute; top: 1.85rem; left: 50%; transform: translateX(-50%); font-size: .72rem; white-space: nowrap; color: var(--muted); }
details.group { border: 1px solid var(--border); border-radius: .5rem; margin: .5rem 0; }
details.group > summary { cursor: pointer; padding: .55rem .8rem; font-weight: 600; }
details.group[open] > summary { border-bottom: 1px solid var(--border); }
details.group .table-wrap { padding: 0 .4rem; }

.kv { display: grid; grid-template-columns: minmax(10rem, max-content) 1fr; gap: .35rem 1rem; margin: 0; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }
.chain { margin: .75rem 0 0; padding-left: 1.5rem; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85rem; word-break: break-all; }
pre { background: var(--bg); padding: 1rem; border-radius: .5rem; overflow: auto; max-height: 28rem; font-size: .8rem; }
summary { cursor: pointer; font-weight: 600; }
.actions { margin: .75rem 0; }
.site-footer { color: var(--muted); font-size: .85rem; padding-bottom: 3rem; }
@media (max-width: 36rem) { .kv { grid-template-columns: 1fr; } .kv dt { margin-top: .5rem; } }
.ml-marker.thr span { top: -1.6rem; }