:root {
  --paper: #f6f5f9; --card: #fff; --fg: #17161d; --muted: #6b6879; --line: #e5e2ec;
  --accent: #6d28d9;
  --low: #047857; --low-bg: #d9f2e6; --med: #b45309; --med-bg: #fbeed2; --high: #be123c; --high-bg: #fbdfe5;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f0e14; --card: #191821; --fg: #efedf5; --muted: #a29eb3; --line: #2c2a38;
    --accent: #a78bfa;
    --low: #4ade80; --low-bg: #113526; --med: #fbbf24; --med-bg: #3a2a0c; --high: #fb7185; --high-bg: #3d1220;
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
  margin: 0; background: var(--paper); color: var(--fg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: max(12px, env(safe-area-inset-top)) 16px 12px;
  background: linear-gradient(135deg, #6d28d9, #db2777); color: #fff;
}
.brand { font-weight: 800; letter-spacing: -0.01em; }
.tabs { display: flex; gap: 4px; background: rgba(255,255,255,.16); border-radius: 999px; padding: 3px; }
.tab { border: 0; background: transparent; color: #fff; font: 600 13px/1 inherit; padding: 8px 14px; border-radius: 999px; cursor: pointer; }
.tab.is-on { background: #fff; color: #6d28d9; }
main { max-width: 720px; margin: 0 auto; padding: 18px 16px 40px; }

h1 { font-size: 26px; line-height: 1.15; margin: 6px 0 6px; letter-spacing: -0.02em; text-wrap: balance; }
.sub { margin: 0 0 16px; color: var(--muted); }
.form { display: flex; gap: 8px; }
#input { flex: 1; min-width: 0; padding: 13px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--fg); font: inherit; font-size: 16px; }
#input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
#go { border: 0; border-radius: 12px; padding: 13px 18px; background: var(--accent); color: #fff; font: 700 15px/1 inherit; cursor: pointer; }
.hint { margin-top: 12px; font-size: 13px; color: var(--muted); }

.loading { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 40px 0; color: var(--muted); }
.spin { width: 30px; height: 30px; border: 3px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: sp 0.8s linear infinite; }
@keyframes sp { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin { animation: none; } }
.error { margin-top: 14px; padding: 12px 14px; background: var(--high-bg); color: var(--high); border-radius: 12px; font-size: 14.5px; }

.risk { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; border-radius: 14px; margin-bottom: 14px; }
.r-low { background: var(--low-bg); color: var(--low); }
.r-med { background: var(--med-bg); color: var(--med); }
.r-high { background: var(--high-bg); color: var(--high); }
.r-label { font-weight: 800; font-size: 17px; }
.r-type { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; opacity: .85; }
.r-note { font-size: 14px; opacity: .95; }
.summary { margin: 0 0 20px; padding-left: 12px; border-left: 3px solid var(--accent); color: var(--fg); }
.h { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 22px 0 10px; }

.questions { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.questions li { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.kind { display: inline-block; font: 700 10.5px/1 inherit; text-transform: uppercase; letter-spacing: .05em; padding: 4px 8px; border-radius: 999px; margin-bottom: 8px; }
.k-verify { background: var(--high-bg); color: var(--high); }
.k-explore { background: #dbeafe; color: #1d4ed8; }
.k-persp { background: #ede9fe; color: #6d28d9; }
.q { display: block; font-weight: 650; }
.why { display: block; margin-top: 4px; font-size: 13.5px; color: var(--muted); }
.links { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.chip { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--fg); text-decoration: none; background: var(--card); }
.chip:active { background: var(--paper); }

.flags { display: flex; flex-direction: column; gap: 10px; }
.flag { padding: 12px 14px; border-radius: 12px; border-left: 3px solid; background: var(--card); }
.f-verify { border-color: #dc2626; }
.f-explore { border-color: #2563eb; }
.fq { font-style: italic; }
.fw { margin-top: 5px; font-size: 13.5px; color: var(--muted); }

.article { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; font-size: 15px; }
.article p { margin: 0 0 12px; }
.article mark { padding: 1px 3px; border-radius: 4px; border: 1.5px solid; background: transparent; color: inherit; }
.article .m-verify { border-color: #dc2626; background: rgba(220,38,38,.14); }
.article .m-explore { border-color: #2563eb; background: rgba(37,99,235,.14); }

.ghost { margin-top: 24px; width: 100%; padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--fg); font: 600 15px/1 inherit; cursor: pointer; }

.p-lead { margin-bottom: 16px; color: var(--muted); }
.cloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 22px; }
.bub { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; border-radius: 50%; color: #fff; text-align: center; padding: 6px;
  background: radial-gradient(circle at 32% 28%, oklch(.72 .15 var(--h)), oklch(.55 .17 var(--h))); }
.b-e { font-size: 20px; }
.b-p { font-weight: 800; font-size: 14px; }
.b-n { font-size: 10.5px; opacity: .92; line-height: 1.15; }

.shadow { border-radius: 16px; padding: 16px; color: #e5e7eb; background: radial-gradient(130% 130% at 0% 0%, #221a4d 0%, #0b1020 58%); margin-bottom: 18px; }
.s-head { font-weight: 800; }
.s-sub { font-size: 12.5px; color: #94a3b8; margin: 2px 0 12px; }
.s-meter { display: flex; gap: 14px; align-items: center; }
.s-score { font-weight: 900; font-size: 36px; line-height: 1; font-variant-numeric: tabular-nums; }
.s-score span { font-size: 13px; color: #64748b; }
.s-low .s-score { color: #34d399; } .s-med .s-score { color: #fbbf24; } .s-high .s-score { color: #fb7185; }
.s-txt { flex: 1; min-width: 0; }
.s-lvl { font-weight: 700; font-size: 13px; }
.s-bar { height: 7px; border-radius: 99px; background: rgba(148,163,184,.25); margin: 7px 0; overflow: hidden; }
.s-bar i { display: block; height: 100%; background: linear-gradient(90deg, #34d399, #fbbf24, #fb7185); }
.s-tip { font-size: 12.5px; color: #cbd5e1; }

.lean { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.l-head { font-weight: 700; margin-bottom: 10px; }
.lr { display: flex; align-items: center; gap: 10px; margin: 6px 0; font-size: 13.5px; }
.lr span:first-child { width: 92px; }
.lb { flex: 1; height: 9px; border-radius: 99px; background: var(--paper); overflow: hidden; }
.lb i { display: block; height: 100%; }
.lv { width: 40px; text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.l-note { margin-top: 8px; font-size: 12.5px; color: var(--muted); }

.empty { text-align: center; padding: 50px 16px; color: var(--muted); }
.e-emoji { font-size: 40px; margin-bottom: 10px; }