.legacy-tool{
    --bg:#100e10; --bg-2:#171519; --panel:#1d1a20; --panel-2:#241f28;
    --ink:#ece4e6; --ink-soft:rgba(236,228,230,.62); --ink-mute:rgba(236,228,230,.40);
    --line:rgba(236,228,230,.12); --line-2:rgba(236,228,230,.20);
    --accent:#b98cc4; --accent-soft:rgba(185,140,196,.14);
    --warm:#d08a5a; --warm-soft:rgba(208,138,90,.12);
    --radius:14px;
    --serif:'Iowan Old Style','Palatino Linotype','Palatino',Georgia,serif;
    --mono:'SFMono-Regular','JetBrains Mono',Menlo,Consolas,monospace;
  }
.legacy-tool *{box-sizing:border-box;margin:0;padding:0;}
.legacy-tool{scroll-behavior:smooth;}
.legacy-tool{background:var(--bg);background-image:radial-gradient(1200px 600px at 50% -10%,rgba(185,140,196,.06),transparent 70%);color:var(--ink);font-family:var(--serif);line-height:1.72;-webkit-font-smoothing:antialiased;padding:0 20px 90px;}
.legacy-tool .wrap{max-width:760px;margin:0 auto;}
.legacy-tool .backbar{max-width:760px;margin:0 auto;padding-top:26px;}
.legacy-tool .back-link{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);text-decoration:none;padding:8px 15px 8px 12px;border:1px solid var(--line);border-radius:40px;background:var(--panel);transition:all .2s ease;}
.legacy-tool .back-link:hover{color:var(--accent);border-color:var(--line-2);transform:translateX(-2px);}
.legacy-tool .back-link .arw{font-size:1.15em;line-height:1;}
.legacy-tool header{padding:34px 0 30px;text-align:center;}
.legacy-tool .kicker{font-family:var(--mono);font-size:11px;letter-spacing:.42em;text-transform:uppercase;color:var(--accent);opacity:.9;margin-bottom:20px;}
.legacy-tool h1{font-size:2.35rem;font-weight:600;letter-spacing:.01em;line-height:1.15;margin-bottom:16px;}
.legacy-tool h1 .sub{display:block;font-size:1.05rem;font-weight:400;color:var(--ink-soft);letter-spacing:.02em;margin-top:12px;font-style:italic;}
.legacy-tool .research{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:30px 30px 26px;margin:22px 0 44px;}
.legacy-tool .research h2{font-size:.72rem;font-family:var(--mono);letter-spacing:.28em;text-transform:uppercase;color:var(--ink-mute);font-weight:400;margin-bottom:18px;display:flex;align-items:center;gap:12px;}
.legacy-tool .research h2::after{content:"";flex:1;height:1px;background:var(--line);}
.legacy-tool .research h2:not(:first-child){margin-top:26px;}
.legacy-tool .research p{font-size:.96rem;color:var(--ink-soft);margin-bottom:14px;}
.legacy-tool .research p:last-child{margin-bottom:0;}
.legacy-tool .research strong{color:var(--ink);font-weight:600;}
.legacy-tool .research .name{color:var(--accent);font-style:italic;}
.legacy-tool .refs{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);font-family:var(--mono);font-size:11px;line-height:1.9;color:var(--ink-mute);letter-spacing:.02em;}
.legacy-tool .refs span{color:var(--ink-soft);}
.legacy-tool .disclaim{margin-top:16px;font-size:.82rem;color:var(--ink-mute);font-style:italic;border-left:2px solid var(--line-2);padding-left:14px;}
.legacy-tool .picker-intro{text-align:center;margin-bottom:8px;}
.legacy-tool .picker-intro .big{font-size:1.5rem;font-weight:600;margin-bottom:8px;}
.legacy-tool .picker-intro .hint{font-size:.9rem;color:var(--ink-soft);font-style:italic;}
.legacy-tool .picker-intro .hint b{color:var(--accent);font-style:normal;font-weight:600;}
.legacy-tool .families{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:34px 0 8px;}
.legacy-tool .fam{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;width:120px;padding:18px 10px;background:var(--panel);border:1px solid var(--line-2);border-radius:14px;cursor:pointer;transition:all .22s ease;}
.legacy-tool .fam:hover{border-color:var(--ink-mute);transform:translateY(-2px);}
.legacy-tool .fam[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);}
.legacy-tool .fam .ico{font-size:1.7rem;line-height:1;}
.legacy-tool .fam .fname{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);text-align:center;}
.legacy-tool .fam[aria-pressed="true"] .fname{color:var(--accent);font-weight:600;}
.legacy-tool .fam[aria-pressed="true"]::before{content:"✦";position:absolute;top:7px;right:9px;color:var(--accent);font-size:11px;}
.legacy-tool .action{text-align:center;margin:36px 0 0;}
.legacy-tool .count{font-family:var(--mono);font-size:12px;color:var(--ink-mute);margin-bottom:16px;letter-spacing:.05em;min-height:16px;}
.legacy-tool .count b{color:var(--accent);}
.legacy-tool .reveal-btn{font-family:var(--mono);font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--bg);background:var(--accent);border:none;border-radius:40px;padding:15px 42px;cursor:pointer;transition:all .22s ease;}
.legacy-tool .reveal-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px rgba(185,140,196,.28);}
.legacy-tool .reveal-btn:disabled{opacity:.32;cursor:not-allowed;}
.legacy-tool .clear-btn{display:block;margin:16px auto 0;background:none;border:none;color:var(--ink-mute);font-family:var(--mono);font-size:11px;letter-spacing:.1em;cursor:pointer;text-decoration:underline;text-underline-offset:3px;}
.legacy-tool .clear-btn:hover{color:var(--ink-soft);}
.legacy-tool #result{margin-top:44px;}
.legacy-tool .res-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px 32px;margin-bottom:22px;animation:rise .55s cubic-bezier(.2,.7,.3,1) both;}
@keyframes rise{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}.legacy-tool .res-head{display:flex;align-items:center;gap:12px;margin-bottom:4px;}
.legacy-tool .res-ico{font-size:1.6rem;}
.legacy-tool .res-name{font-size:1.5rem;font-weight:600;}
.legacy-tool .res-tag{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.06em;margin-bottom:22px;font-style:italic;}
.legacy-tool .layer{margin-bottom:18px;padding-bottom:18px;border-bottom:1px dashed var(--line);}
.legacy-tool .layer:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.legacy-tool .layer .lbl{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:8px;}
.legacy-tool .layer .lbl .ev{margin-left:auto;font-size:9.5px;letter-spacing:.1em;padding:3px 9px;border-radius:20px;border:1px solid var(--line);}
.legacy-tool .ev.strong{color:#8ba36f;border-color:rgba(139,163,111,.4);}
.legacy-tool .ev.mixed{color:var(--accent);border-color:rgba(185,140,196,.4);}
.legacy-tool .ev.decode{color:var(--warm);border-color:rgba(208,138,90,.4);}
.legacy-tool .layer .txt{font-size:.99rem;color:var(--ink-soft);line-height:1.66;}
.legacy-tool .combo{background:linear-gradient(180deg,var(--panel-2),var(--bg-2));border:1px solid var(--line-2);}
.legacy-tool .combo-label{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:16px;display:flex;align-items:center;gap:12px;}
.legacy-tool .combo-label::after{content:"";flex:1;height:1px;background:var(--line);}
.legacy-tool .combo .txt{font-size:1.02rem;color:var(--ink-soft);line-height:1.68;}
.legacy-tool .combo .made{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:.94rem;color:var(--ink-soft);font-style:italic;}
.legacy-tool .combo .made b{color:var(--accent);font-style:normal;font-weight:600;}
.legacy-tool .footnote{text-align:center;font-size:.82rem;color:var(--ink-mute);font-style:italic;margin-top:34px;line-height:1.7;}
.legacy-tool .return{text-align:center;margin-top:52px;padding-top:30px;border-top:1px solid var(--line);}
.legacy-tool .return a{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);text-decoration:none;transition:color .2s ease;}
.legacy-tool .return a:hover{color:var(--accent);}
.legacy-tool .return a::before{content:"\2190";margin-right:8px;}
@media (max-width:560px){.legacy-tool h1{font-size:1.8rem;}
.legacy-tool .research,.legacy-tool .res-card{padding:24px 20px;}
.legacy-tool .fam{width:98px;}
}