:root{
  --bg:#f7f9fc;--panel:#fff;--text:#0f172a;--muted:#64748b;--line:#dfe7f1;
  --blue:#1769ff;--blue2:#0f57df;--soft:#eef5ff;--warn:#fff6d8;--warnline:#f1cd59;
  --shadow:0 12px 35px rgba(15,23,42,.07);--radius:16px;--max:1280px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{color:inherit}
img{max-width:100%}
button,textarea,input,select{font:inherit}
button{cursor:pointer}
.skip{position:absolute;left:-9999px;top:8px}.skip:focus{left:8px;z-index:999;background:#fff;padding:10px 14px;border-radius:8px}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.nav{max-width:var(--max);margin:auto;height:72px;padding:0 22px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:1.25rem;margin-right:auto}
.brand img{width:38px;height:38px}
.brand small{display:block;font-size:.72rem;color:var(--muted);font-weight:600;margin-top:-3px}
.navlinks{display:flex;gap:18px;align-items:center}
.navlinks a{text-decoration:none;color:#334155;font-weight:650}
.navlinks a:hover{color:var(--blue)}
.theme{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px}
.wrap{max-width:var(--max);margin:auto;padding:18px 22px 44px}

.ad strong{display:block;font-size:.92rem}


.grid{display:grid;grid-template-columns:230px minmax(0,1fr) 260px;gap:18px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.sidebar{padding:14px;position:sticky;top:90px}
.side-title{font-weight:800;margin:4px 8px 10px}
.toolnav{display:flex;flex-direction:column;gap:4px}
.toolnav a{padding:9px 10px;border-radius:9px;text-decoration:none;color:#334155;font-size:.92rem}
.toolnav a:hover,.toolnav a.active{background:var(--soft);color:var(--blue);font-weight:700}
.main{padding:24px}
.eyebrow{color:var(--blue);font-weight:800;font-size:.83rem;text-transform:uppercase;letter-spacing:.08em}
h1{font-size:clamp(1.9rem,3vw,2.65rem);line-height:1.08;margin:7px 0 10px}
h2{font-size:1.35rem;margin:28px 0 10px}
h3{font-size:1.05rem;margin:20px 0 8px}
.lead{font-size:1.04rem;color:#475569;margin:0 0 18px;max-width:800px}
.privacy-note{display:inline-flex;gap:8px;align-items:center;background:#effaf4;color:#17603a;border:1px solid #cdebd9;padding:7px 10px;border-radius:999px;font-size:.83rem;font-weight:700;margin-bottom:18px}
label{font-weight:760;display:block;margin:0 0 7px}
textarea,input[type="text"]{width:100%;border:1px solid #cbd5e1;border-radius:12px;padding:12px 13px;background:#fff;color:var(--text);outline:none}
textarea:focus,input[type="text"]:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,255,.1)}
textarea{min-height:220px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;line-height:1.45}
.input-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:.8rem;margin-top:6px}
.actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0}
.btn{border:1px solid #cbd5e1;background:#fff;border-radius:10px;padding:10px 12px;font-weight:720;color:#253047}
.btn:hover{border-color:#9eb9ea;background:#f8fbff}
.btn.primary{background:var(--blue);color:white;border-color:var(--blue)}
.btn.primary:hover{background:var(--blue2)}
.btn.subtle{background:#f8fafc}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.result-head{display:flex;align-items:center;gap:8px;justify-content:space-between;margin-top:22px}
.result-actions{display:flex;gap:8px;flex-wrap:wrap}
.notice{padding:11px 13px;background:#f8fafc;border:1px solid var(--line);border-radius:10px;color:#475569;font-size:.9rem}
.right{display:flex;flex-direction:column;gap:14px;position:sticky;top:90px}
.right 
.info{padding:16px}
.info ul{padding-left:20px;margin:8px 0 0}.info li{margin:5px 0}
.content{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.content p,.content li{color:#475569}
.content ul,.content ol{padding-left:22px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.card{border:1px solid var(--line);background:#fbfdff;border-radius:12px;padding:13px;text-decoration:none}
.card:hover{border-color:#aec8f5;background:#f6faff}
.card strong{display:block;color:#172033}
.card span{font-size:.85rem;color:var(--muted)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.compare textarea{min-height:170px}
.tabs{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}
.pill{padding:7px 10px;border-radius:999px;background:var(--soft);color:#1855b6;font-size:.82rem;font-weight:700}
footer{border-top:1px solid var(--line);background:#fff}
.footer{max-width:var(--max);margin:auto;padding:25px 22px;display:flex;gap:20px;justify-content:space-between;align-items:flex-start}
.footer nav{display:flex;gap:16px;flex-wrap:wrap}.footer a{color:#475569;text-decoration:none;font-size:.9rem}
.footer p{margin:3px 0;color:var(--muted);font-size:.85rem}
.toast{position:fixed;right:18px;bottom:18px;background:#0f172a;color:#fff;padding:10px 14px;border-radius:10px;opacity:0;transform:translateY(8px);pointer-events:none;transition:.2s;z-index:80}
.toast.show{opacity:1;transform:none}
.dark{--bg:#0b1220;--panel:#111a2b;--text:#eef4ff;--muted:#9eabc2;--line:#25324a;--soft:#15294b;--shadow:none}
.dark header,.dark footer{background:#111a2b}.dark .navlinks a,.dark .toolnav a{color:#c5d0e4}.dark textarea,.dark input[type="text"],.dark .btn{background:#0d1627;color:#eaf1ff;border-color:#32405b}.dark .card,.dark .notice{background:#0d1627}.dark .lead,.dark .content p,.dark .content li{color:#b9c5d8}.dark .theme{background:#0d1627;color:#fff;border-color:#32405b}
@media(max-width:1000px){
 .grid{grid-template-columns:190px minmax(0,1fr)}.right{grid-column:1/-1;position:static;display:grid;grid-template-columns:1fr 1fr}.right 
}
@media(max-width:760px){
 header{position:static}.nav{height:auto;min-height:66px;flex-wrap:wrap;padding:10px 16px}.navlinks{width:100%;order:3;overflow:auto;padding-bottom:4px}
 .wrap{padding:14px 12px 32px}.grid{display:block}.sidebar{position:static;margin-bottom:12px}.toolnav{display:grid;grid-template-columns:1fr 1fr}.main{padding:17px}
 .right{display:block;margin-top:12px}.right>*{margin-bottom:12px}.actions{grid-template-columns:1fr 1fr}.row,.compare,.cards{grid-template-columns:1fr}.result-head{align-items:flex-start;flex-direction:column}
 .footer{flex-direction:column}
}
@media(max-width:430px){.actions,.toolnav{grid-template-columns:1fr}}