:root{
  --bg:#0d1117;
  --bg-card:#161b22;
  --bg-code:#0a0e14;
  --border:#30363d;
  --text:#c9d1d9;
  --text-dim:#8b949e;
  --accent:#58a6ff;
  --accent2:#3fb950;
  --accent3:#f0883e;
  --accent4:#d2a8ff;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,sans-serif;
  line-height:1.55;
}
a{color:inherit;}
header{
  border-bottom:1px solid var(--border);
  padding:18px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  position:sticky;
  top:0;
  background:rgba(13,17,23,.92);
  backdrop-filter:blur(6px);
  z-index:10;
}
.logo{font-weight:700;font-size:19px;color:#fff;text-decoration:none;}
.logo span{color:var(--accent);}
.header-right{display:flex;align-items:center;flex-wrap:wrap;gap:16px;}
nav{display:flex;flex-wrap:wrap;align-items:center;}
nav a{
  color:var(--text-dim);
  text-decoration:none;
  margin-left:16px;
  font-size:13.5px;
  white-space:nowrap;
  padding:4px 0;
  border-bottom:2px solid transparent;
}
nav a:first-child{margin-left:0;}
nav a:hover{color:var(--accent);}
nav a.active{color:var(--accent);border-bottom-color:var(--accent);}
.search-box{position:relative;flex-shrink:0;margin-left:16px;}
.search-box input{
  display:block;width:180px;background:var(--bg-code);border:1px solid var(--border);color:var(--text);
  padding:7px 10px;border-radius:6px;font-size:13px;line-height:1.3;
}
.search-box input:focus{outline:none;border-color:var(--accent);}
.search-dropdown{
  position:absolute;top:calc(100% + 8px);right:0;width:min(380px,90vw);max-height:70vh;overflow-y:auto;
  background:var(--bg-card);border:1px solid var(--border);border-radius:8px;
  box-shadow:0 10px 30px rgba(0,0,0,.45);display:none;z-index:30;
}
.search-dropdown.show{display:block;}
.search-result{display:block;padding:10px 14px;border-bottom:1px solid var(--border);cursor:pointer;text-decoration:none;}
.search-result:last-child{border-bottom:none;}
.search-result:hover,.search-result.active{background:rgba(88,166,255,.1);}
.search-result .sr-page{font-size:10px;color:var(--accent);text-transform:uppercase;letter-spacing:.5px;}
.search-result .sr-label{font-size:12.5px;color:var(--text);margin-top:3px;}
.search-result .sr-code{font-size:11.5px;color:var(--accent2);font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;margin-top:3px;word-break:break-all;}
.search-empty{padding:16px 14px;color:var(--text-dim);font-size:12.5px;text-align:center;}
.hero{
  max-width:900px;
  margin:50px auto 10px;
  padding:0 24px;
  text-align:center;
}
.hero h1{font-size:32px;color:#fff;margin-bottom:12px;}
.hero p{color:var(--text-dim);font-size:15.5px;max-width:640px;margin:0 auto;}
.stats{display:flex;justify-content:center;gap:36px;margin-top:26px;flex-wrap:wrap;}
.stat{text-align:center;}
.stat b{display:block;font-size:22px;color:var(--accent);}
.stat span{font-size:12px;color:var(--text-dim);}
.container{max-width:1150px;margin:0 auto;padding:20px 24px 80px;}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:24px;}
.home-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:30px;}
.home-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:10px;
  padding:22px;
  text-decoration:none;
  display:block;
  transition:border-color .15s;
}
.home-card:hover{border-color:var(--accent);}
.home-card h3{color:#fff;font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.home-card p{color:var(--text-dim);font-size:13.5px;}
.home-card .count{display:inline-block;margin-top:12px;font-size:11px;color:var(--accent);background:rgba(88,166,255,.12);padding:3px 9px;border-radius:20px;}
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:10px;
  padding:20px;
  overflow:hidden;
}
.card h3{color:#fff;font-size:15.5px;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.emoji{font-size:18px;}
.badge{margin-left:auto;display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;background:rgba(88,166,255,.15);color:var(--accent);white-space:nowrap;}
.card ul{list-style:none;font-size:13.5px;}
.card li{padding:6px 0;border-bottom:1px dashed var(--border);color:var(--text-dim);}
.card li:last-child{border-bottom:none;}
.li-row{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap;}
.note{color:var(--text-dim);font-size:12px;font-style:italic;margin-top:2px;}
code{
  background:var(--bg-code);
  border:1px solid var(--border);
  color:var(--accent2);
  padding:2px 6px;
  border-radius:4px;
  font-size:12px;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  word-break:break-all;
  display:inline-block;
  max-width:100%;
}
pre{background:var(--bg-code);border:1px solid var(--border);border-radius:8px;padding:14px 16px;overflow-x:auto;margin-top:8px;}
pre code{background:none;border:none;padding:0;white-space:pre;word-break:normal;display:block;color:var(--accent2);}
pre code .c1{color:var(--text-dim);}
pre code .c2{color:var(--accent3);}
pre code .c3{color:var(--accent4);}
table{width:100%;border-collapse:collapse;font-size:13px;margin-top:10px;}
table th, table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);}
table th{color:var(--text-dim);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;}
.section-title{font-size:13px;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-dim);margin:56px 0 4px;}
.section-title:first-child{margin-top:10px;}
.section-sub{color:#fff;font-size:22px;margin-bottom:6px;}
.full-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:20px 22px;margin-top:16px;}
.full-card h3{color:#fff;font-size:15px;margin-bottom:4px;display:flex;align-items:center;gap:8px;}
.full-card p.desc{color:var(--text-dim);font-size:13px;margin-bottom:2px;}
.crumb{max-width:1150px;margin:14px auto 0;padding:0 24px;font-size:12.5px;color:var(--text-dim);}
.crumb a{color:var(--accent);text-decoration:none;}
footer{border-top:1px solid var(--border);padding:30px 24px;text-align:center;color:var(--text-dim);font-size:13px;}
footer a{color:var(--accent);text-decoration:none;}

/* --- интерактивные тулзы --- */
.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;margin-top:20px;}
.tool-card > summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.tool-card > summary::-webkit-details-marker{display:none;}
.tool-card > summary:hover h3{color:var(--accent);}
.tool-card > summary::after{
  content:'▸';color:var(--text-dim);font-size:13px;flex-shrink:0;transition:transform .15s;
}
.tool-card[open] > summary::after{transform:rotate(90deg);}
.tool-card h3{color:#fff;font-size:16px;margin:0;display:flex;align-items:center;gap:8px;}
.tool-card .tool-body{padding:0 24px 22px;}
.tool-card .tool-desc{color:var(--text-dim);font-size:12.5px;margin-bottom:16px;}
.tool-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;align-items:end;}
.field{display:flex;flex-direction:column;gap:5px;}
.field label{font-size:11.5px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.4px;}
.field-check{flex-direction:row;align-items:center;gap:6px;}
.field-check label{text-transform:none;letter-spacing:0;font-size:13px;color:var(--text);}
input[type=text],input[type=number],input[type=datetime-local],input[type=range],textarea,select{
  width:100%;background:var(--bg-code);border:1px solid var(--border);color:var(--text);
  padding:9px 11px;border-radius:6px;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:13px;
}
textarea{resize:vertical;min-height:90px;line-height:1.5;}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);}
select{cursor:pointer;}
.btn{background:var(--accent);color:#0d1117;border:none;padding:9px 18px;border-radius:6px;font-weight:600;cursor:pointer;font-size:13px;font-family:inherit;}
.btn:hover{opacity:.88;}
.btn.secondary{background:transparent;border:1px solid var(--border);color:var(--text);font-weight:500;}
.btn.secondary:hover{border-color:var(--accent);color:var(--accent);}
.btn-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.output-box{background:var(--bg-code);border:1px solid var(--border);border-radius:8px;padding:6px 14px;margin-top:16px;}
.output-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:9px 0;border-bottom:1px dashed var(--border);}
.output-row:last-child{border-bottom:none;}
.output-row b{color:var(--text-dim);font-weight:500;font-size:12.5px;white-space:nowrap;}
.output-row .val{display:flex;align-items:center;gap:8px;min-width:0;}
.output-row span{color:var(--accent2);word-break:break-all;text-align:right;font-size:12.5px;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;}
.copy-btn{cursor:pointer;font-size:10.5px;color:var(--accent);border:1px solid var(--border);border-radius:4px;padding:3px 7px;background:none;flex-shrink:0;font-family:inherit;}
.copy-btn:hover{border-color:var(--accent);}
.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap;}
.tab{padding:6px 14px;border:1px solid var(--border);border-radius:20px;font-size:12.5px;color:var(--text-dim);cursor:pointer;background:transparent;font-family:inherit;}
.tab.active{color:var(--accent);border-color:var(--accent);background:rgba(88,166,255,.1);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
.err{color:#f85149;font-size:12.5px;margin-top:10px;}
.hint{color:var(--text-dim);font-size:11.5px;margin-top:8px;}
.subnet-table-wrap{overflow-x:auto;margin-top:14px;}
.subnet-table-wrap table{min-width:520px;}

/* --- копирование команд кликом --- */
.card code,.full-card pre,.tool-card code{cursor:pointer;}
.card code:hover{border-color:var(--accent);color:#fff;}
.full-card pre:hover{border-color:var(--accent);}
code.copied,pre.copied{border-color:var(--accent2) !important;}
#copy-toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);
  background:var(--bg-card);border:1px solid var(--accent2);color:var(--text);
  padding:9px 18px;border-radius:8px;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.4);
  opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;z-index:100;
}
#copy-toast.show{opacity:1;transform:translate(-50%,0);}

/* --- подсветка карточки, к которой перешли из поиска --- */
@keyframes card-flash{
  0%{border-color:var(--accent);box-shadow:0 0 0 3px rgba(88,166,255,.25);}
  100%{border-color:var(--border);box-shadow:none;}
}
.flash-highlight{animation:card-flash 1.8s ease-out;}
@media (max-width:640px){
  nav a{margin-left:10px;font-size:12px;}
  .hero h1{font-size:24px;}
  .output-row{flex-direction:column;align-items:flex-start;gap:4px;}
  .output-row .val{width:100%;justify-content:space-between;}
}