:root{
  --bg:#0e1218;--bg2:#151b23;--card:#1a212b;--card2:#212a35;--line:rgba(255,255,255,.1);
  --ink:#eef2f6;--dim:#a3afbd;--faint:#6f7c8b;--accent:#5eead4;--accent-ink:#06201c;
  --ok:#34d399;--ok-bg:rgba(52,211,153,.12);--warn:#fbbf24;--warn-bg:rgba(251,191,36,.12);--bad:#f87171;--bad-bg:rgba(248,113,113,.13);
  --info:#93c5fd;--r:18px;--shadow:0 18px 50px rgba(0,0,0,.35);
}
@media (prefers-color-scheme:light){:root{
  --bg:#f4f6f8;--bg2:#e9edf1;--card:#fff;--card2:#f3f5f8;--line:rgba(15,23,42,.1);
  --ink:#0f172a;--dim:#475569;--faint:#8291a5;--accent:#0d9488;--accent-ink:#fff;
  --ok:#059669;--ok-bg:#e7f8f0;--warn:#b45309;--warn-bg:#fef3dc;--bad:#dc2626;--bad-bg:#fde8e8;--info:#2563eb;--shadow:0 18px 50px rgba(15,23,42,.12);
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,system-ui,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;padding:0}
svg{width:1.25em;height:1.25em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
[hidden]{display:none!important}
a{color:var(--accent)}

.top{display:flex;align-items:center;justify-content:space-between;max-width:1100px;margin:0 auto;padding:max(12px,env(safe-area-inset-top)) 16px 8px}
.brand{display:flex;align-items:center;gap:9px;font-weight:750;font-size:1.15rem;letter-spacing:-.01em}
.logo{width:28px;height:28px;color:var(--accent)}
.logo .fill{fill:currentColor;stroke:none}
.topbtns{display:flex;gap:6px}
.icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--dim)}
.icon:hover,.icon.on{background:var(--card);color:var(--ink)}

.layout{max-width:1100px;margin:0 auto;padding:4px 16px max(28px,env(safe-area-inset-bottom));display:grid;gap:18px}
@media (min-width:900px){.layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.side{position:sticky;top:12px}}

/* viewfinder */
.finder{position:relative;aspect-ratio:3/4;max-height:min(64vh,620px);width:100%;margin:0 auto;border-radius:24px;overflow:hidden;background:#05070a;box-shadow:var(--shadow)}
@media (min-width:900px){.finder{aspect-ratio:4/3.4}}
video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
#overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.frame{position:absolute;inset:16% 14%;pointer-events:none;opacity:0;transition:opacity .3s}
.live .frame{opacity:1}
.frame i{position:absolute;width:34px;height:34px;border:3.5px solid var(--accent);filter:drop-shadow(0 0 6px rgba(94,234,212,.6))}
.frame i:nth-child(1){top:0;left:0;border-right:0;border-bottom:0;border-radius:12px 0 0 0}
.frame i:nth-child(2){top:0;right:0;border-left:0;border-bottom:0;border-radius:0 12px 0 0}
.frame i:nth-child(3){bottom:0;right:0;border-left:0;border-top:0;border-radius:0 0 12px 0}
.frame i:nth-child(4){bottom:0;left:0;border-right:0;border-top:0;border-radius:0 0 0 12px}
.sweep{position:absolute;left:6%;right:6%;top:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);box-shadow:0 0 12px var(--accent);animation:sweep 2.4s ease-in-out infinite;opacity:.8}
.paused .sweep{display:none}
@keyframes sweep{0%,100%{top:6%}50%{top:92%}}
@media (prefers-reduced-motion:reduce){.sweep{animation:none;top:50%}}
.idle{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:24px;text-align:center;color:#cbd5e1;
  background:radial-gradient(ellipse at 50% 35%,#1b2733,#05070a 75%)}
.idle .big{width:76px;height:76px;color:var(--accent);stroke-width:1.3;opacity:.9}
.idle p{margin:0;max-width:22rem;color:#cbd5e1}
.hint{position:absolute;left:50%;bottom:78px;transform:translateX(-50%);padding:7px 14px;border-radius:99px;background:rgba(5,7,10,.62);color:#e2e8f0;font-size:.85rem;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);white-space:nowrap}
.camtools{position:absolute;left:0;right:0;bottom:14px;display:flex;align-items:center;justify-content:center;gap:12px;padding:0 14px}
.round{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:rgba(5,7,10,.55);color:#fff;border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.round.on{background:#fde68a;color:#3b2a00}
#zoom{flex:1;max-width:220px;accent-color:var(--accent)}

.actions{display:flex;gap:10px;margin-top:14px}
.actions .btn{flex:1}
.drop{text-align:center;color:var(--faint);font-size:.82rem;margin:8px 0 0}
body.dragging .finder{outline:3px dashed var(--accent);outline-offset:4px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 18px;border-radius:14px;background:var(--card);border:1px solid var(--line);
  font-weight:600;cursor:pointer;transition:transform .15s,background .2s;text-decoration:none;color:var(--ink);user-select:none;white-space:nowrap}
.btn:hover{background:var(--card2)}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.btn.danger{background:var(--bad);color:#fff;border-color:transparent}
.btn.quiet{background:transparent}
.btn.small{min-height:38px;font-size:.88rem;padding:0 14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}

.check{margin-top:18px;padding:14px;border-radius:var(--r);background:var(--bg2);border:1px solid var(--line)}
.check label{display:block;font-size:.85rem;color:var(--dim);margin-bottom:8px;font-weight:600}
.check .row{display:flex;gap:8px}
.check input{flex:1;min-width:0;min-height:48px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--card)}
.check input:focus{outline:2px solid var(--accent);outline-offset:-1px}

/* side: welcome, result, history */
.welcome,.history,.result{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow)}
.welcome h2{margin:0 0 8px;font-size:1.35rem;letter-spacing:-.01em}
.welcome p{color:var(--dim);margin:0 0 12px}
.welcome b{color:var(--ink)}
.tips{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.tips li{display:flex;gap:10px;align-items:center;color:var(--dim);font-size:.95rem}
.tips span{width:34px;height:34px;border-radius:10px;background:var(--card2);display:grid;place-items:center;flex:none}
.history{margin-top:16px}
.hhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.hhead h3{margin:0;font-size:1.05rem}
.switch{display:flex;gap:8px;align-items:center;color:var(--dim);font-size:.85rem}
.switch input{accent-color:var(--accent);width:18px;height:18px}
.hitem{display:flex;align-items:center;gap:12px;width:100%;padding:10px 4px;border-bottom:1px solid var(--line);text-align:left}
.hitem:hover{background:var(--card2)}
.hitem .dot{width:10px;height:10px;border-radius:50%;flex:none;background:var(--ok)}
.hitem .dot.caution{background:var(--warn)}.hitem .dot.danger{background:var(--bad)}
.hitem .t{flex:1;min-width:0}
.hitem b{display:block;font-size:.92rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hitem small{color:var(--faint);font-size:.78rem}
.hempty{color:var(--faint);font-size:.9rem;padding:8px 0}

/* result */
.result{animation:rise .35s cubic-bezier(.2,.8,.2,1)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}}
.rtype{display:flex;align-items:center;gap:8px;color:var(--dim);font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.rtype svg{width:18px;height:18px}
.rtype .src{margin-left:auto;font-weight:500;text-transform:none;letter-spacing:0;color:var(--faint)}
.verdict{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:16px;margin-bottom:16px}
.verdict svg{width:28px;height:28px;flex:none;margin-top:1px}
.verdict b{display:block;font-size:1.08rem;line-height:1.3}
.verdict span{color:var(--dim);font-size:.9rem}
.verdict.ok{background:var(--ok-bg)}.verdict.ok svg,.verdict.ok b{color:var(--ok)}
.verdict.caution{background:var(--warn-bg)}.verdict.caution svg,.verdict.caution b{color:var(--warn)}
.verdict.danger{background:var(--bad-bg)}.verdict.danger svg,.verdict.danger b{color:var(--bad)}
.goes{font-size:.82rem;color:var(--dim);margin:0 0 4px}
.domain{font-size:clamp(1.5rem,6vw,2rem);font-weight:780;letter-spacing:-.02em;line-height:1.15;word-break:break-all;margin:0 0 8px}
.domain.danger{color:var(--bad)}
.anat{font:14px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;word-break:break-all;padding:10px 12px;border-radius:12px;background:var(--bg2);color:var(--faint);margin-bottom:6px;max-height:9.5em;overflow:auto}
.anat .d{color:var(--ink);font-weight:700;background:rgba(94,234,212,.14);border-radius:4px;padding:0 2px}
.anat .u{color:var(--bad);text-decoration:line-through}
.anat .s{color:var(--dim)}
.anatnote{font-size:.78rem;color:var(--faint);margin:0 0 14px}
.reasons{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:10px}
.reasons li{display:flex;gap:10px;align-items:flex-start}
.reasons li>svg{width:20px;height:20px;margin-top:2px}
.reasons b{display:block;font-size:.95rem}
.reasons span{color:var(--dim);font-size:.88rem}
.reasons .danger>svg{color:var(--bad)}.reasons .caution>svg{color:var(--warn)}.reasons .info>svg{color:var(--info)}.reasons .good>svg{color:var(--ok)}
.fields{display:grid;gap:2px;margin:0 0 16px;border-radius:14px;overflow:hidden}
.field{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg2)}
.field .k{width:92px;flex:none;color:var(--faint);font-size:.82rem}
.field .v{flex:1;min-width:0;word-break:break-word}
.field .v.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92rem}
.field button{color:var(--dim);width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:none}
.field button:hover{background:var(--card2);color:var(--ink)}
.text.mono{font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all}
.text{white-space:pre-wrap;word-break:break-word;padding:12px 14px;border-radius:14px;background:var(--bg2);margin:0 0 16px;max-height:16em;overflow:auto}
.links{display:grid;gap:8px;margin:0 0 16px}
.lnk{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:var(--bg2);text-align:left;width:100%}
.lnk .dot{width:10px;height:10px;border-radius:50%;background:var(--ok);flex:none}
.lnk .dot.caution{background:var(--warn)}.lnk .dot.danger{background:var(--bad)}
.lnk span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.92rem}
.lnk small{color:var(--accent);font-weight:600}
.racts{display:flex;flex-wrap:wrap;gap:8px}
.racts .btn{flex:1 1 150px}
details.raw{margin-top:14px;color:var(--faint);font-size:.85rem}
details.raw summary{cursor:pointer}
details.raw pre{white-space:pre-wrap;word-break:break-all;background:var(--bg2);padding:10px;border-radius:10px;color:var(--dim);max-height:12em;overflow:auto}
.tip{margin:14px 0 0;font-size:.82rem;color:var(--faint)}
.many{display:grid;gap:8px;margin-bottom:12px}

/* modals */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center;background:rgba(3,6,10,.62);animation:fade .2s;padding:0}
@media (min-width:640px){.modal{align-items:center;padding:20px}}
@keyframes fade{from{opacity:0}}
.modal .card{position:relative;width:100%;max-width:440px;max-height:90vh;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:24px 24px 0 0;
  padding:22px 20px max(20px,env(safe-area-inset-bottom));box-shadow:var(--shadow);animation:up .3s cubic-bezier(.2,.8,.2,1)}
@media (min-width:640px){.modal .card{border-radius:24px}}
.modal .card.wide{max-width:560px}
@keyframes up{from{transform:translateY(30px);opacity:0}}
.modal h2{margin:0 0 6px;font-size:1.3rem}
.modal h3{margin:18px 0 6px;font-size:1rem}
.modal p{margin:0 0 10px}
.cicon svg{width:40px;height:40px;margin-bottom:8px}
.cicon.ok svg{color:var(--accent)}.cicon.caution svg{color:var(--warn)}.cicon.danger svg{color:var(--bad)}
.cdomain{font-size:1.45rem;font-weight:780;word-break:break-all;letter-spacing:-.01em}
.cbody{color:var(--dim)}
.ack{display:flex;gap:10px;align-items:flex-start;padding:12px;border-radius:12px;background:var(--bad-bg);color:var(--ink);font-size:.92rem;margin:4px 0 12px;cursor:pointer}
.ack input{width:20px;height:20px;accent-color:var(--bad);flex:none;margin:1px 0 0}
.cactions{display:flex;gap:10px;margin-top:8px}
.cactions .btn{flex:1}
.x{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:var(--card2);color:var(--dim)}
.list{padding-left:18px;color:var(--dim);margin:0;display:grid;gap:4px;font-size:.93rem}
.muted{color:var(--dim);font-size:.93rem}
.small{font-size:.8rem}

.toast{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translate(-50%,30px);z-index:60;padding:11px 18px;border-radius:99px;background:var(--ink);color:var(--bg);
  font-size:.9rem;opacity:0;pointer-events:none;transition:all .3s;max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}