:root {
  --bg: #f5f6f8; --panel: #ffffff; --ink: #161a20; --muted: #5a6370; --line: #e0e4ea; --soft: #eef1f5;
  --accent: #1f4fd1; --accent-ink: #ffffff; --focus: #8aa6ff;
  --danger: #b42318; --danger-bg: #fdecea;
  --warn: #9a5b00; --warn-bg: #fdf3e1;
  --info: #3d4a5c; --info-bg: #eef1f5;
  --good: #17703f; --good-bg: #e3f4ea;
  --v-phish: #b42318; --v-suspicious: #b45309; --v-spam: #6b4fbb; --v-unknown: #4b5563; --v-clean: #17703f;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1216; --panel: #171b21; --ink: #e7eaef; --muted: #9aa3af; --line: #2a3038; --soft: #1f242c;
    --accent: #7c9cff; --accent-ink: #0b0e13; --focus: #3d5bb8;
    --danger: #ff8a80; --danger-bg: #3a1916;
    --warn: #f5b754; --warn-bg: #352812;
    --info: #b5bfcc; --info-bg: #222831;
    --good: #6ad497; --good-bg: #13301f;
    --v-phish: #ff6b5e; --v-suspicious: #f59e0b; --v-spam: #a78bfa; --v-unknown: #9ca3af; --v-clean: #4ade80;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1216; --panel: #171b21; --ink: #e7eaef; --muted: #9aa3af; --line: #2a3038; --soft: #1f242c;
  --accent: #7c9cff; --accent-ink: #0b0e13; --focus: #3d5bb8;
  --danger: #ff8a80; --danger-bg: #3a1916; --warn: #f5b754; --warn-bg: #352812;
  --info: #b5bfcc; --info-bg: #222831; --good: #6ad497; --good-bg: #13301f;
  --v-phish: #ff6b5e; --v-suspicious: #f59e0b; --v-spam: #a78bfa; --v-unknown: #9ca3af; --v-clean: #4ade80;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-text-size-adjust: 100%; }
a { color: var(--accent); }
code, .mono { font-family: var(--mono); font-size: .9em; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.top { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 12px 16px; max-width: 1040px; margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 17px; }
.tag { margin-left: auto; font-size: 13px; color: var(--good); background: var(--good-bg); padding: 3px 10px; border-radius: 999px; font-weight: 600; }

main { max-width: 1040px; margin: 0 auto; padding: 8px 16px 40px; }
h1 { font-size: clamp(26px, 5vw, 38px); line-height: 1.15; margin: 24px 0 8px; letter-spacing: -.5px; }
.lead { color: var(--muted); font-size: 17px; max-width: 680px; margin: 0 0 22px; }

.modes { display: inline-flex; gap: 4px; padding: 4px; margin-bottom: 14px; background: var(--soft); border: 1px solid var(--line); border-radius: 12px; max-width: 100%; }
.modes [role=tab] { border: 0; background: none; color: var(--muted); font-weight: 600; padding: 8px 16px; border-radius: 9px; cursor: pointer; white-space: nowrap; }
.modes [role=tab]:hover { color: var(--ink); }
.modes [role=tab][aria-selected=true] { background: var(--accent); color: var(--accent-ink); }
@media (max-width: 420px) { .modes { display: flex; } .modes [role=tab] { flex: 1; padding: 8px 6px; font-size: 14px; } }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-weight: 650; }
.field .row { display: flex; gap: 8px; flex-wrap: wrap; }
.field input, .field textarea { flex: 1 1 260px; min-width: 0; font: inherit; font-size: 16px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); }
.field input { font-family: var(--mono); font-size: 15px; }
.field textarea { resize: vertical; }
.field > .btn { justify-self: start; }
.hint { color: var(--muted); font-size: 14px; margin: 12px 2px 0; }
.hint b { color: var(--ink); }

.drop { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 44px 16px; border: 2px dashed var(--line); border-radius: 16px;
  background: var(--panel); cursor: pointer; text-align: center; color: var(--muted); transition: border-color .15s, background .15s; }
.drop strong { color: var(--ink); font-size: 18px; }
.drop:hover, .drop.over { border-color: var(--accent); background: var(--soft); }
.drop-icon { width: 44px; height: 44px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linejoin: round; margin-bottom: 6px; }
.alt { margin: 12px 2px 0; color: var(--muted); font-size: 14px; }
.alt .dot { margin: 0 6px; }
.linkish { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.paste { margin-top: 12px; display: grid; gap: 10px; }
.paste textarea { width: 100%; font: 13px/1.45 var(--mono); padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--ink); resize: vertical; }
.paste .btn { justify-self: start; }

.btn { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 9px; padding: 9px 16px; font-weight: 600; cursor: pointer; }
.btn.ghost { background: var(--panel); color: var(--ink); border: 1px solid var(--line); }
.btn:hover { filter: brightness(1.07); }

.promises { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.promises li { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 14px; color: var(--muted); }
.promises b { color: var(--ink); display: block; }

.status { margin: 18px 0; padding: 12px 14px; border-radius: 10px; background: var(--soft); }
.status.err { background: var(--danger-bg); color: var(--danger); }

/* ---------- result ---------- */
#result { margin-top: 26px; display: grid; gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; min-width: 0; }
.card h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); margin: 0 0 12px; }

.verdict { border-width: 2px; border-color: var(--vc); position: relative; overflow: hidden; }
.verdict::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 6px; background: var(--vc); }
.verdict.k-phish { --vc: var(--v-phish); } .verdict.k-suspicious { --vc: var(--v-suspicious); } .verdict.k-spam { --vc: var(--v-spam); }
.verdict.k-unknown { --vc: var(--v-unknown); } .verdict.k-clean { --vc: var(--v-clean); }
.v-head { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.v-label { font-size: clamp(26px, 4.5vw, 34px); font-weight: 800; color: var(--vc); line-height: 1.1; letter-spacing: -.4px; }
.v-sum { margin: 6px 0 0; font-size: 16px; }
.meter { margin-left: auto; min-width: 180px; flex: 0 1 240px; }
.meter .lbl { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.meter .bar { height: 10px; background: var(--soft); border-radius: 999px; overflow: hidden; }
.meter .fill { height: 100%; background: var(--vc); border-radius: 999px; }
.v-subject { margin: 14px 0 0; color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }
.v-subject b { color: var(--ink); font-weight: 600; }
.todo { margin: 14px 0 0; padding: 12px 14px 12px 34px; background: var(--soft); border-radius: 10px; }
.todo li + li { margin-top: 4px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

.layers { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; font-size: 14px; color: var(--muted); }
.chip { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 999px; padding: 4px 12px; cursor: pointer; font-size: 13px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip.on { background: var(--ink); color: var(--panel); border-color: var(--ink); }

.signals { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sig { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; padding: 10px 12px; border-radius: 10px; background: var(--sbg); }
.sig .ic { width: 26px; height: 26px; border-radius: 50%; background: var(--sc); color: var(--panel); display: grid; place-items: center; font-weight: 800; font-size: 14px; }
.sig .t { font-weight: 650; color: var(--sc); }
.sig .d { font-size: 14px; overflow-wrap: anywhere; }
.s-danger { --sc: var(--danger); --sbg: var(--danger-bg); } .s-warn { --sc: var(--warn); --sbg: var(--warn-bg); }
.s-info { --sc: var(--info); --sbg: var(--info-bg); } .s-good { --sc: var(--good); --sbg: var(--good-bg); }

.grid2 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.kv { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 6px 12px; margin: 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.auth { display: flex; gap: 6px; flex-wrap: wrap; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--info-bg); color: var(--info); }
.pill.pass { background: var(--good-bg); color: var(--good); } .pill.fail { background: var(--danger-bg); color: var(--danger); } .pill.meh { background: var(--warn-bg); color: var(--warn); }

.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
td.url { font-family: var(--mono); font-size: 12.5px; overflow-wrap: anywhere; word-break: break-all; min-width: 220px; }
td .sub { color: var(--muted); font-size: 12px; font-family: system-ui, sans-serif; word-break: normal; }
.flags { display: flex; gap: 4px; flex-wrap: wrap; }
.empty { color: var(--muted); font-size: 14px; margin: 0; }

pre.body { white-space: pre-wrap; overflow-wrap: anywhere; font: 13px/1.5 var(--mono); background: var(--soft); padding: 12px; border-radius: 10px; max-height: 420px; overflow: auto; margin: 0; }
.tech > summary { cursor: pointer; list-style: none; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; padding: 14px 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; font-weight: 650; }
.tech > summary::-webkit-details-marker { display: none; }
.tech > summary::before { content: "▸"; color: var(--muted); transition: transform .15s; }
.tech[open] > summary::before { transform: rotate(90deg); }
.tech > summary .sub { color: var(--muted); font-weight: 400; font-size: 14px; }
.tech-body { display: grid; gap: 16px; margin-top: 16px; }

details.card > summary { cursor: pointer; font-size: 13px; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); font-weight: 600; }
details.card[open] > summary { margin-bottom: 12px; }

/* ---------- how-to ---------- */
.howto { margin-top: 30px; display: grid; gap: 10px; }
.howto details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; }
.howto summary { cursor: pointer; font-weight: 650; }
.howto dl { margin: 10px 0 0; display: grid; gap: 4px 16px; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); font-size: 14px; }
.howto dt { font-weight: 600; }
.howto dd { margin: 0 0 6px; color: var(--muted); }
.howto .note { font-size: 14px; background: var(--warn-bg); color: var(--warn); padding: 8px 12px; border-radius: 8px; }
@media (max-width: 560px) { .howto dl { grid-template-columns: 1fr; } .howto dd { margin-bottom: 10px; } .kv { grid-template-columns: 90px minmax(0, 1fr); } }

footer { max-width: 1040px; margin: 0 auto; padding: 0 16px 30px; color: var(--muted); font-size: 13px; }
.foot-nav { display: flex; gap: 18px; flex-wrap: wrap; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; font-weight: 600; }
.foot-nav a { color: var(--ink); text-decoration: none; }
.foot-nav a:hover { color: var(--accent); text-decoration: underline; }
.foot-nav a[aria-current=page] { color: var(--muted); }

/* ---------- about / privacy ---------- */
.doc { font-size: 16px; line-height: 1.65; }
.doc > * { max-width: 720px; }
.doc h2 { font-size: 21px; margin: 32px 0 8px; letter-spacing: -.2px; }
.doc p, .doc ul { margin: 0 0 14px; }
.doc li + li { margin-top: 6px; }
.doc .updated { color: var(--muted); font-size: 14px; margin-top: -4px; }
.doc .callout { background: var(--good-bg); color: var(--ink); border-left: 4px solid var(--good); border-radius: 10px; padding: 14px 16px; margin: 18px 0 8px; }
.doc .back { margin-top: 32px; font-weight: 600; }