/* WebTools.su — лёгкий modern UI, авто-тема, <15KB, system fonts */
:root{--bg:#0b1220;--bg2:#111a2e;--card:#141f36;--line:#22304f;--txt:#e8eefb;--mut:#93a3c4;--acc:#38bdf8;--acc2:#a78bfa;--ok:#34d399;--warn:#fbbf24;--bad:#f87171;--r:16px;--sh:0 10px 30px rgba(0,0,0,.35)}
:root[data-theme="light"],:root[data-theme="light"] body{--bg:#f6f8fc;--bg2:#fff;--card:#fff;--line:#e3e9f5;--txt:#0f1b33;--mut:#5a6b8c;--sh:0 10px 24px rgba(15,27,51,.08)}
@media(prefers-color-scheme:light){:root:not([data-theme]){--bg:#f6f8fc;--bg2:#fff;--card:#fff;--line:#e3e9f5;--txt:#0f1b33;--mut:#5a6b8c;--sh:0 10px 24px rgba(15,27,51,.08)}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(1200px 600px at 80% -10%,rgba(56,189,248,.18),transparent),radial-gradient(900px 500px at 10% 0,rgba(167,139,250,.16),transparent),var(--bg);color:var(--txt);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;min-height:100vh}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--acc);color:#04222f;padding:8px 12px;border-radius:10px;z-index:99}
.hdr{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:18px;padding:12px 18px}
.logo{font-weight:800;font-size:20px;letter-spacing:.3px;text-decoration:none;color:var(--txt);display:flex;align-items:center;gap:10px}
.logo-dot{width:14px;height:14px;border-radius:50%;background:conic-gradient(from 0deg,var(--acc),var(--acc2),var(--acc));box-shadow:0 0 14px var(--acc)}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}.nav a{color:var(--mut);text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:600;font-size:14.5px}.nav a:hover{color:var(--txt);background:var(--card)}.nav a[aria-current]{color:var(--txt);background:var(--card);outline:1px solid var(--line)}
.theme{border:1px solid var(--line);background:var(--card);color:var(--txt);border-radius:10px;padding:7px 11px;cursor:pointer;font-size:16px}
/* Бургер: скрыт на десктопе, только мобила */
.burger{display:none;border:1px solid var(--line);background:var(--card);border-radius:10px;width:38px;height:36px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--txt);transition:.18s}
.burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:860px){
  .burger{display:flex}
  .hdr-in{gap:10px}
  .hdr-in .theme{margin-left:auto}
  .hdr-in .nav{margin-left:0}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:2px;background:var(--bg2);border-bottom:1px solid var(--line);padding:10px 18px 14px;box-shadow:var(--sh)}
  .nav.open{display:flex}
  .nav a{padding:11px 12px;font-size:15.5px}
  /* Мобильная компоновка speedtest — десктоп не затронут */
  .speedpage{padding:16px}
  .speedpage h1{font-size:25px}
  .speedpage .lead{font-size:14.5px}
  .speedpage .dial{max-width:170px}
  .speedpage .gauge{font-size:29px}
  .speedpage .chart-wrap{height:180px}
  .speedpage #stChart{height:180px}
  .speedpage #stStart{width:100%;justify-content:center}
  .speedpage .stat b{font-size:16px}
}
main{padding:26px 0 10px}
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch;margin:10px 0 20px}
@media(max-width:860px){.hero{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,color-mix(in srgb,var(--card) 92%,transparent),var(--card));border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh)}
.card h1,.card h2{margin:.1em 0 .4em;line-height:1.2}
h1{font-size:clamp(28px,4vw,44px);letter-spacing:-.5px}h2{font-size:clamp(20px,2.6vw,28px)}p.lead{color:var(--mut);font-size:17px}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;padding:12px 18px;font-weight:800;font-size:15.5px;cursor:pointer;text-decoration:none;color:#04222f;background:linear-gradient(135deg,var(--acc),#7dd3fc)}
.btn.ghost{background:transparent;color:var(--txt);outline:1px solid var(--line)}.btn.ghost:hover{border-color:var(--acc)}.btn.sec{background:linear-gradient(135deg,var(--acc2),#c4b5fd);color:#1d1440}
.btn:disabled{opacity:.6;cursor:wait}
.grid{display:grid;gap:14px}.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g2,.g3,.g4{grid-template-columns:1fr}}
.tool{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;transition:.15s}.tool:hover{transform:translateY(-2px);border-color:var(--acc)}.tool b{display:block;margin-bottom:4px}.tool span{color:var(--mut);font-size:14px}
.muted{color:var(--mut)}.small{font-size:13.5px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.kv{display:grid;grid-template-columns:180px 1fr;gap:8px 12px;font-size:15px}.kv dt{color:var(--mut)}.kv dd{margin:0;word-break:break-word}
@media(max-width:600px){.kv{grid-template-columns:1fr}}
input[type=text],input[type=url],input[type=number],select{width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--txt);border-radius:12px;padding:12px 14px;font-size:15.5px}input:focus,select:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
form.row{display:flex;gap:10px}form.row input{flex:1}@media(max-width:600px){form.row{flex-direction:column}}
table{width:100%;border-collapse:collapse;font-size:14.5px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--mut);font-weight:700}td{word-break:break-word}
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:13px;font-weight:700;border:1px solid var(--line);background:var(--bg2)}.b-ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 50%,transparent)}.b-warn{color:var(--warn)}.b-bad{color:var(--bad)}.b-acc{color:var(--acc)}
.gauge{font-size:clamp(30px,4vw,44px);font-weight:900;letter-spacing:-1px;font-variant-numeric:tabular-nums;line-height:1.1}.unit{font-size:15px;color:var(--mut);font-weight:600}
.meter{height:10px;background:var(--bg2);border:1px solid var(--line);border-radius:99px;overflow:hidden}.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .2s}
/* Спидометры + график */
.dial{width:100%;max-width:230px;height:auto;display:block;margin:0 auto}
.dial .bg{stroke:var(--line)}.dial .val{transition:stroke-dashoffset .12s linear}
.dial .needle{transition:transform .12s linear;transform-origin:100px 100px}
.dial-ticks{font-size:9px;fill:var(--mut);font-weight:700}
.chart-card{padding:16px}.chart-wrap{position:relative;height:220px}
#stChart{width:100%;height:220px;display:block;background:var(--bg2);border:1px solid var(--line);border-radius:12px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--mut);margin-top:8px}.legend i{display:inline-block;width:22px;height:3px;border-radius:2px;vertical-align:middle;margin-right:6px}
.phase{display:inline-flex;gap:6px;align-items:center;font-size:13px;font-weight:800;padding:4px 12px;border-radius:99px;border:1px solid var(--line);background:var(--bg2)}.phase.live{border-color:var(--acc);color:var(--acc)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}@media(max-width:860px){.stat-grid{grid-template-columns:1fr 1fr}}
.stat{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:10px 12px}.stat b{display:block;font-size:18px;font-variant-numeric:tabular-nums}.stat span{font-size:12.5px;color:var(--mut)}
@media(prefers-reduced-motion:reduce){.dial .val,.dial .needle,.meter i{transition:none}}
.ftr{margin-top:26px;border-top:1px solid var(--line);padding:18px 0 30px;color:var(--mut)}.ftr-in{display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap}.ftr nav{display:flex;gap:14px;flex-wrap:wrap}.ftr a{color:var(--mut)}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}summary{cursor:pointer;font-weight:700}
pre{background:#050a16;color:#c8f5ff;border:1px solid var(--line);border-radius:12px;padding:14px;overflow:auto;font-size:13.5px}:root[data-theme="light"] pre{background:#0b1220}
.alert{border:1px solid var(--line);border-left:4px solid var(--warn);background:var(--card);border-radius:12px;padding:12px 14px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.tabs button{border:1px solid var(--line);background:var(--bg2);color:var(--txt);border-radius:99px;padding:8px 14px;cursor:pointer;font-weight:700}.tabs button[aria-selected=true]{background:var(--txt);color:var(--bg)}
/* Хлебные крошки */
.crumbs{font-size:13.5px;color:var(--mut);margin:2px 0 12px}.crumbs ol{display:flex;gap:8px;flex-wrap:wrap;list-style:none;margin:0;padding:0}.crumbs li+li::before{content:"/";margin-right:8px;color:var(--line)}.crumbs a{color:var(--mut);text-decoration:none}.crumbs a:hover{color:var(--acc)}
/* Реклама: десктоп/мобила/sticky/фулскрин */
.ad{margin:14px 0;text-align:center;overflow:hidden}
.ad-d,.ad-m{display:flex;justify-content:center}
.ad-d iframe,.ad-m iframe{max-width:100%}
@media(max-width:860px){.ad-d{display:none}}
@media(min-width:861px){.ad-m{display:none}}
.ad-footer_sticky{position:sticky;bottom:10px;z-index:60;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 34px 8px 8px;box-shadow:var(--sh);position:fixed;left:50%;transform:translateX(-50%);bottom:10px;width:min(728px,calc(100% - 20px))}
.ad-x{position:absolute;top:6px;right:6px;border:1px solid var(--line);background:var(--bg2);color:var(--mut);border-radius:50%;width:24px;height:24px;cursor:pointer;font-size:12px;line-height:1}
.ad-ph{margin:0 auto;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;background:repeating-linear-gradient(45deg,color-mix(in srgb,var(--acc) 10%,transparent) 0 12px,transparent 12px 24px),var(--bg2);border:2px dashed var(--acc);border-radius:12px;color:var(--txt);font-weight:800;font-size:14px;letter-spacing:1px}
.ad-test{outline:1px dashed var(--line);outline-offset:4px;border-radius:12px}
.fs-ov{position:fixed;inset:0;z-index:100;background:rgba(3,7,18,.72);display:flex;align-items:center;justify-content:center;padding:18px}
.fs-ov[hidden]{display:none}
.fs-box{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 16px 16px;width:100%}
.fs-x{position:absolute;top:8px;right:8px;border:1px solid var(--line);background:var(--bg2);color:var(--txt);border-radius:10px;padding:4px 10px;cursor:pointer}
/* Блок «Ваше соединение» в стиле 2ip */
.conn{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:10px}
.conn-row{display:grid;grid-template-columns:150px 1fr;gap:4px 10px;padding:9px 12px;border-bottom:1px solid var(--line);font-size:14px;align-items:baseline}
.conn-row:last-child{border-bottom:0}.conn-row:nth-child(odd){background:color-mix(in srgb,var(--bg2) 70%,transparent)}
.conn-k{color:var(--mut)}.conn-v{word-break:break-word}.conn-v .hint{margin-left:8px;font-size:12.5px;font-weight:700;color:var(--acc);text-decoration:none;border:1px solid var(--line);border-radius:99px;padding:1px 9px;white-space:nowrap}.conn-v .hint:hover{border-color:var(--acc)}
.conn-v .warn{color:var(--warn);font-weight:700}.conn-v .ok{color:var(--ok);font-weight:700}
@media(max-width:560px){.conn-row{grid-template-columns:1fr;gap:0}}