:root{color-scheme:light;--bg:#f7f8fb;--text:#1b2430;--muted:#5f6b7a;--line:#d9dee7;--brand:#126b5b;--panel:#fff;--accent:#b83b5e}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.nav-wrap{width:min(1180px,calc(100% - 24px));margin:0 auto;display:flex;align-items:center;gap:18px;min-height:64px}
.nav-top{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;color:var(--text);white-space:nowrap}
.brand img{display:block;border-radius:7px}
.nav-toggle{display:none;position:relative;width:42px;height:38px;align-items:center;justify-content:center;background:#fff;color:var(--text);border:1px solid var(--line);padding:0}
.nav-toggle-line{position:absolute;width:20px;height:2px;border-radius:2px;background:currentColor;transition:transform .18s ease,opacity .18s ease,top .18s ease}
.nav-toggle-line:nth-child(1){top:11px}
.nav-toggle-line:nth-child(2){top:18px}
.nav-toggle-line:nth-child(3){top:25px}
.nav-toggle.is-open .nav-toggle-line:nth-child(1){top:18px;transform:rotate(45deg)}
.nav-toggle.is-open .nav-toggle-line:nth-child(2){opacity:0}
.nav-toggle.is-open .nav-toggle-line:nth-child(3){top:18px;transform:rotate(-45deg)}
.nav-menu{display:flex;align-items:center;gap:14px;flex:1;min-width:0}
.nav-links{display:flex;gap:6px;flex:1;flex-wrap:nowrap;min-width:0}
.nav-group{position:relative}
.nav-group-button{display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--muted);border:1px solid transparent;padding:8px 9px;font-size:14px;font-weight:700;white-space:nowrap}
.nav-group-button::after{content:"";width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.7;transition:transform .16s ease}
.nav-group:hover .nav-group-button::after,.nav-group:focus-within .nav-group-button::after,.nav-group.is-open .nav-group-button::after{transform:rotate(180deg)}
.nav-group:hover .nav-group-button,.nav-group:focus-within .nav-group-button{border-color:var(--line);filter:none}
.nav-dropdown{display:none;position:absolute;top:100%;left:0;min-width:250px;max-width:min(340px,calc(100vw - 24px));background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;box-shadow:0 12px 28px rgba(27,36,48,.12);z-index:20;justify-items:stretch}
.nav-dropdown::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.nav-group:hover .nav-dropdown,.nav-group:focus-within .nav-dropdown{display:grid}
.nav-dropdown a{color:var(--text);font-size:14px;padding:8px 10px;border-radius:6px;text-align:left}
.nav-dropdown a:hover{background:#f0f3f7;text-decoration:none}
.lang-switcher{position:relative;flex:0 0 auto}
.lang-button{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--text);border:1px solid var(--line);padding:8px 10px;font-size:14px;min-height:38px}
.lang-button::after{content:"";width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.65;transition:transform .16s ease}
.lang-switcher.is-open .lang-button::after{transform:rotate(180deg)}
.lang-flag{font-size:18px;line-height:1}
.lang-name{font-weight:700;white-space:nowrap}
.lang-panel{display:none;position:absolute;right:0;top:calc(100% + 8px);width:min(760px,calc(100vw - 24px));max-height:min(620px,calc(100vh - 96px));overflow:auto;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px;box-shadow:0 18px 42px rgba(27,36,48,.16);z-index:30;grid-template-columns:repeat(4,minmax(150px,1fr));gap:4px}
.lang-switcher.is-open .lang-panel{display:grid}
.lang-option{display:grid;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:8px;color:var(--text);border-radius:6px;padding:8px 9px;font-size:14px}
.lang-option:hover{background:#f0f3f7;text-decoration:none}
.lang-option.is-active{background:#e8f1ee;color:var(--brand);font-weight:800}
.lang-code{color:var(--muted);font-size:11px;text-transform:uppercase}
select,input,textarea,button{font:inherit}
select,input,textarea{border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);padding:10px 12px}
button{border:0;border-radius:6px;background:var(--brand);color:#fff;padding:10px 16px;font-weight:700;cursor:pointer}
button:hover{filter:brightness(.94)}
.hero{background:#e8f1ee;border-bottom:1px solid var(--line);padding:56px 0 42px}
h1{font-size:clamp(32px,4vw,54px);line-height:1.1;margin:0 0 16px;letter-spacing:0}
h2{font-size:24px;line-height:1.25;margin:28px 0 12px;letter-spacing:0}
.intro{font-size:19px;color:var(--muted);max-width:780px;margin:0 0 22px}
.tools-overview{padding:26px 0}
.tool-group-section{padding:10px 0 18px}
.tool-group-section h2{font-size:22px;margin:0 0 12px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.tool-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;min-height:180px}
.tool-card h3{font-size:18px;line-height:1.25;margin:0 0 10px}
.tool-card p{color:var(--muted);margin-bottom:0;font-size:14px}
.page{padding:36px 0 10px}
.content{padding:14px 0 24px}
.content p,.content li{color:#334052}
.tool-form{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;margin:22px 0;box-shadow:0 8px 22px rgba(27,36,48,.05)}
.tool-form-inline{display:grid;grid-template-columns:minmax(280px,1fr) auto;gap:14px;align-items:end}
.tool-form-inline:has(.form-field-sm){grid-template-columns:minmax(280px,1fr) minmax(130px,180px) auto}
.tool-form-inline:has(.form-field-xs){grid-template-columns:minmax(280px,1fr) minmax(96px,130px) auto}
.tool-form-stack{display:grid;grid-template-columns:1fr;gap:14px}
.tool-action-form{display:flex;align-items:center;justify-content:flex-start}
.form-field{display:grid;gap:7px;min-width:0}
.form-field-sm{max-width:220px}
.form-field-xs{max-width:140px}
.form-row{display:flex;align-items:end;gap:14px;flex-wrap:wrap}
.form-actions{display:flex;align-items:end;gap:10px}
.form-toolbar{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.tool-form label{font-size:13px;font-weight:800;color:#334052;line-height:1.2}
.tool-form input,.tool-form select,.tool-form textarea{width:100%;min-width:0}
.tool-form select{min-width:130px}
.tool-form textarea{min-height:150px;resize:vertical}
.tool-form button{min-height:44px;white-space:nowrap}
.form-hint{grid-column:1/-1;margin:-4px 0 0;color:var(--muted);font-size:14px}
.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.checkbox-grid label{display:flex;align-items:center;gap:8px;font-weight:700;border:1px solid var(--line);border-radius:6px;padding:10px 12px;background:#f8fafc}
.checkbox-grid input{width:auto}
.dns-leak-host{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted);margin:-8px 0 14px;overflow-wrap:anywhere}
.code{background:#10151f;color:#eef5ff;border-radius:8px;padding:16px;overflow:auto;min-height:80px}
.result-panel{display:none;background:#fff;border:1px solid var(--line);border-radius:8px;margin:18px 0;overflow:hidden;box-shadow:0 8px 22px rgba(27,36,48,.04)}
.result-panel.is-visible{display:block}
.result-panel.is-loading{border-color:#b9c7d8}
.result-panel.is-error{border-color:#e5a3a8;background:#fffafa}
.result-state{padding:14px 16px;color:var(--muted);font-weight:800}
.result-panel.is-loading .result-state::before{content:"";display:inline-block;width:12px;height:12px;border:2px solid #b9c7d8;border-top-color:var(--brand);border-radius:50%;margin-right:8px;vertical-align:-2px;animation:spin .8s linear infinite}
.result-panel.is-error .result-state{color:#9b1c31}
.result-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--line)}
.result-item{background:#fff;padding:12px}
.result-item strong{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}
.result-item span{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}
.result-kv{display:grid;background:#fff}
.result-kv-row{display:grid;grid-template-columns:minmax(170px,240px) minmax(0,1fr);border-bottom:1px solid var(--line)}
.result-kv-row>strong{background:#f0f3f7;color:#334052;font-size:13px;font-weight:900;padding:12px;text-transform:capitalize}
.result-kv-row>span{min-width:0;padding:12px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}
.result-list{display:grid;gap:6px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.result-list-item{background:#f8fafc;border:1px solid var(--line);border-radius:6px;padding:7px 9px;overflow-wrap:anywhere}
.inline-output{margin:0;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.55;background:#10151f;color:#eef5ff;border-radius:6px;padding:12px;overflow:auto}
.result-raw{border-top:1px solid var(--line);border-top-left-radius:0;border-top-right-radius:0;margin-bottom:0;padding:12px;background:#f8fafc}
.result-raw summary{font-weight:700;cursor:pointer}
.result-raw pre{background:#10151f;color:#eef5ff;border-radius:6px;padding:12px;overflow:auto;margin-bottom:0}
.result-table{display:grid;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden;margin:22px 0}
.result-table div{display:grid;grid-template-columns:180px 1fr;border-bottom:1px solid var(--line)}
.result-table div:last-child{border-bottom:0}
.result-table strong,.result-table span{padding:12px}
.result-table strong{background:#f0f3f7}
.json-tool textarea{width:100%;min-height:340px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.status{color:var(--accent);font-weight:700}
.stat-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin:18px 0}
.stat-strip div{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px}
.stat-strip strong{display:block;font-size:20px;line-height:1.2;color:var(--text);overflow-wrap:anywhere}
.stat-strip span{display:block;margin-top:4px;color:var(--muted);font-size:13px;font-weight:700}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;min-width:780px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);font-size:14px}
th{background:#f0f3f7}
.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin:18px 0;flex-wrap:wrap}
.pagination a,.pagination span,.pagination strong{border:1px solid var(--line);border-radius:6px;background:#fff;padding:8px 12px;font-size:14px}
.pagination span{color:var(--muted)}
.pagination strong{background:#f0f3f7}
.faq{padding:8px 0 42px}
details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:10px 0}
summary{font-weight:700;cursor:pointer}
.site-footer{border-top:1px solid var(--line);padding:24px 16px;color:var(--muted);text-align:center;background:#fff}
@keyframes spin{to{transform:rotate(360deg)}}
.error-page{padding:70px 0 80px;text-align:center}
.error-code{margin:0 0 8px;color:var(--brand);font-size:15px;font-weight:900;letter-spacing:.08em}
.error-page .intro{margin-left:auto;margin-right:auto}
.error-actions{display:flex;justify-content:center;gap:10px;margin:24px 0;flex-wrap:wrap}
.button-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:6px;background:var(--brand);color:#fff;padding:10px 16px;font-weight:800}
.button-link:hover{text-decoration:none;filter:brightness(.94)}
.error-links{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;max-width:860px;margin:22px auto 0}
.error-links a{background:#fff;border:1px solid var(--line);border-radius:6px;color:var(--text);font-size:14px;padding:7px 10px}
.error-links a:hover{background:#f0f3f7;text-decoration:none}
[dir="rtl"] body{direction:rtl;text-align:right}
[dir="rtl"] .brand,[dir="rtl"] .nav-top,[dir="rtl"] .nav-menu,[dir="rtl"] .nav-links,[dir="rtl"] .nav-group-button,[dir="rtl"] .lang-button,[dir="rtl"] .lang-option,[dir="rtl"] .form-row,[dir="rtl"] .form-actions,[dir="rtl"] .form-toolbar,[dir="rtl"] .checkbox-grid label{direction:rtl}
[dir="rtl"] .nav-dropdown{left:auto;right:0;text-align:right}
[dir="rtl"] .nav-dropdown a{text-align:right}
[dir="rtl"] .lang-panel{right:auto;left:0}
[dir="rtl"] .lang-option{grid-template-columns:auto minmax(0,1fr) 24px}
[dir="rtl"] .lang-option .lang-flag{order:3}
[dir="rtl"] .lang-option .lang-name{order:2;text-align:right}
[dir="rtl"] .lang-option .lang-code{order:1}
[dir="rtl"] .tool-form-inline,[dir="rtl"] .tool-form-stack,[dir="rtl"] .tool-action-form,[dir="rtl"] .result-summary,[dir="rtl"] .tool-grid{direction:rtl}
[dir="rtl"] input,[dir="rtl"] select,[dir="rtl"] textarea{text-align:right}
[dir="rtl"] input[type="url"],[dir="rtl"] input[type="email"],[dir="rtl"] input[type="password"],[dir="rtl"] .code,[dir="rtl"] pre,[dir="rtl"] .dns-leak-host,[dir="rtl"] .result-item span,[dir="rtl"] .result-table span{direction:ltr;text-align:left}
[dir="rtl"] .result-kv{direction:rtl}
[dir="rtl"] .result-kv-row{grid-template-columns:minmax(0,1fr) minmax(170px,240px)}
[dir="rtl"] .result-kv-row>strong{order:2;text-align:right}
[dir="rtl"] .result-kv-row>span{order:1;direction:ltr;text-align:left}
[dir="rtl"] th,[dir="rtl"] td{text-align:right}
[dir="rtl"] .result-table div{grid-template-columns:1fr 180px}
[dir="rtl"] .result-table strong{order:2}
[dir="rtl"] .result-table span{order:1}
@media (max-width:860px){
  .nav-wrap{align-items:stretch;flex-direction:column;padding:12px 0;gap:10px}
  .nav-top{justify-content:space-between}
  .nav-toggle{display:inline-flex}
  .nav-menu{display:none;align-items:stretch;flex-direction:column;gap:12px}
  .nav-menu.is-open{display:flex}
  .nav-links{display:grid;gap:8px}
  .nav-group-button{width:100%;text-align:left;border-color:var(--line)}
  [dir="rtl"] .nav-group-button{text-align:right}
  .nav-group:hover .nav-dropdown,.nav-group:focus-within .nav-dropdown{display:none}
  .nav-group.is-open .nav-dropdown{display:grid}
  .nav-dropdown{position:static;box-shadow:none;min-width:0;margin-top:6px;border-radius:6px}
  .lang-switcher{width:100%}
  .lang-button{width:100%;justify-content:space-between}
  .lang-panel{position:static;width:100%;max-height:360px;margin-top:8px;box-shadow:none;grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .tool-form-inline,.tool-form-inline:has(.form-field-sm),.tool-form-inline:has(.form-field-xs){grid-template-columns:1fr}
  .tool-form{padding:16px}
  .form-row{display:grid;grid-template-columns:1fr;align-items:stretch}
  .form-field-sm,.form-field-xs{max-width:none}
  .form-actions,.form-toolbar{display:grid;grid-template-columns:1fr;justify-content:stretch}
  .form-actions button,.form-toolbar button{width:100%}
  .form-toolbar select{width:100%}
  .checkbox-grid{grid-template-columns:1fr}
  .result-summary{grid-template-columns:1fr}
  .result-kv-row{grid-template-columns:1fr}
  .result-kv-row>strong{border-bottom:1px solid var(--line)}
  [dir="rtl"] .result-kv-row{grid-template-columns:1fr}
  [dir="rtl"] .result-kv-row>strong,[dir="rtl"] .result-kv-row>span{order:0}
  .result-table div{grid-template-columns:1fr}
  [dir="rtl"] .result-table div{grid-template-columns:1fr}
  [dir="rtl"] .result-table strong{order:0}
  [dir="rtl"] .result-table span{order:0}
  .result-table strong{border-bottom:1px solid var(--line)}
}