:root { --bg: #F4F6FA; --card: #fff; --text: #172033; --muted: #5C6678; --border: #DCE2EC; --accent: #2F5BD3; --navy: #1F3A6B;
  --good: #1E8A4C; --good-soft: #E3F4EA; --bad: #C23B3B; --bad-soft: #FBE7E7; --amber-soft: #FFF4DB; --law-soft: #EAF0FF; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #11161F; --card: #1A2130; --text: #E7ECF5; --muted: #9AA6BA; --border: #2B3547; --accent: #7FA2FF; --navy: #0E1A30;
    --good: #4CC383; --good-soft: #17301F; --bad: #F07A7A; --bad-soft: #351B1E; --amber-soft: #3A3018; --law-soft: #1C2742; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-tap-highlight-color: transparent; }
.screen { max-width: 640px; margin: 0 auto; padding: 14px 16px calc(28px + env(safe-area-inset-bottom)); }
.screen.center { display: flex; flex-direction: column; gap: 14px; justify-content: center; min-height: 92vh; text-align: center; }
.top { padding: 4px 0 10px; }
.brand { font-weight: 700; font-size: 1.1em; display: flex; align-items: center; gap: 8px; justify-content: inherit; }
.brand.big { font-size: 1.5em; justify-content: center; }
.mark { background: var(--navy); color: #fff; border-radius: 6px; padding: 2px 6px; font-size: .75em; }
.sync { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: .85em; color: var(--muted); margin-bottom: 8px; }
.tiles { display: grid; gap: 10px; margin-top: 10px; }
.tile { text-align: left; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; color: inherit; font: inherit; display: flex; flex-direction: column; gap: 2px; }
.tile:disabled { opacity: .55; }
.tile b { font-size: 1.05em; }
.tile span { color: var(--muted); font-size: .9em; }
.btn { border: 1px solid var(--border); background: var(--card); color: inherit; border-radius: 10px; padding: 12px 16px; font: inherit; font-weight: 600; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:disabled { opacity: .5; }
.btn.small { padding: 6px 10px; font-size: .85em; }
.btn.wide { width: 100%; margin-top: 12px; }
.btn.good { background: var(--good-soft); border-color: var(--good); color: var(--good); flex: 1; }
.btn.bad { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); flex: 1; }
.link { background: none; border: none; color: var(--accent); font: inherit; padding: 4px 0; }
.small { font-size: .88em; } .tiny { font-size: .78em; } .muted { color: var(--muted); } .bad { color: var(--bad); } .big { font-size: 1.4em; font-weight: 700; }
.foot { margin-top: 18px; }
.note { padding: 8px 10px; border-radius: 8px; background: var(--bad-soft); font-size: .88em; margin: 6px 0; }
.qtop { display: flex; justify-content: space-between; align-items: center; }
.chips { display: flex; gap: 6px; margin: 6px 0 8px; }
.chip { font-size: .75em; border: 1px solid var(--border); border-radius: 99px; padding: 1px 8px; color: var(--muted); }
.stem { white-space: pre-line; font-size: 1.02em; margin: 6px 0 12px; }
.case { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 6px 10px; margin-bottom: 8px; }
.facts p { margin: 6px 0; font-size: .9em; white-space: pre-line; }
.frow { display: flex; gap: 8px; font-size: .82em; border-bottom: 1px solid var(--border); padding: 3px 0; }
.frow span { flex: 1; }
.opts { display: grid; gap: 8px; }
.opt { display: flex; gap: 10px; align-items: flex-start; text-align: left; background: var(--card); border: 1.5px solid var(--border); border-radius: 10px; padding: 11px 12px; color: inherit; font: inherit; }
.opt b { color: var(--muted); }
.opt.sel { border-color: var(--accent); }
.opt.right { border-color: var(--good); background: var(--good-soft); }
.opt.wrong { border-color: var(--bad); background: var(--bad-soft); }
.conf { display: flex; gap: 8px; margin-top: 12px; }
.conf button { flex: 1; border: 1px solid var(--border); background: var(--card); color: var(--muted); border-radius: 99px; padding: 7px; font: inherit; font-size: .9em; }
.conf button.on { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.fb { margin-top: 12px; }
.verdict { font-weight: 700; padding: 10px 12px; border-radius: 10px; }
.verdict.good { background: var(--good-soft); color: var(--good); }
.verdict.bad { background: var(--bad-soft); color: var(--bad); }
.blk { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin-top: 8px; }
.blk h4 { margin: 0 0 4px; font-size: .85em; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }
.blk p { margin: 0; }
.blk.trap { background: var(--amber-soft); }
.blk.law { background: var(--law-soft); }
.card3d { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 18px; min-height: 42vh; margin-top: 10px; display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.cfront { font-weight: 600; white-space: pre-line; margin: 0; }
.cback { white-space: pre-line; margin: 0; border-top: 1px solid var(--border); padding-top: 12px; }
.rate { display: flex; gap: 10px; margin-top: 12px; }
.dom { margin: 16px 0 6px; }
.sheet-item { border-bottom: 1px solid var(--border); padding: 8px 0; }
.sheet-item p { margin: 0 0 2px; font-size: .92em; }
h2 { margin: 14px 0 8px; }