.vh-root{--midnight:#150f23;--inset:#120d1f;--card:#1a1128;--raised:#241937;--band:#1f1633;--deep:#422082;--island:#f7f4ff;--border:#362d59;--purple:#783ff2;--purple-2:#9b6ef3;--lav:#b69bff;--pink:#fa7faa;--mint:#22ffa6;--mint-ink:#1f1633;--code:#e9ecf3;--ph:#8e86a3;--t1:#fff;--t2:#ffffffc7;--t3:#ffffff8c;--t4:#ffffff59;--ui:"Rubik", "IBM Plex Sans Arabic", system-ui, sans-serif;--disp:"IBM Plex Sans Arabic", "Rubik", sans-serif;--en:"Space Grotesk", "Rubik", sans-serif;--mono:"JetBrains Mono", Monaco, Menlo, monospace;background:var(--midnight);min-height:100vh;color:var(--t1);font-family:var(--ui);-webkit-font-smoothing:antialiased;line-height:1.7;position:relative;overflow-x:clip}.vh-root a{color:var(--lav);text-decoration:none}.vh-root a:hover{color:#fff}.vh-root ::placeholder{color:var(--ph);opacity:1}.vh-root *,.vh-root :before,.vh-root :after{box-sizing:border-box}.vh-en{font-family:var(--en);direction:ltr;unicode-bidi:isolate;font-weight:700}.vh-mono{font-family:var(--mono);direction:ltr;unicode-bidi:isolate}.vh-stars{z-index:0;pointer-events:none;opacity:.5;background-image:radial-gradient(circle at 22% 18%,#ffffff8c 0 1px,#0000 1.6px),radial-gradient(circle at 71% 34%,#fff6 0 1px,#0000 1.6px),radial-gradient(circle at 48% 76%,#ffffff4d 0 1px,#0000 1.6px);background-size:260px 240px,340px 300px,400px 360px;position:fixed;inset:0}.vh-content{z-index:1;position:relative}.vh-wrap{max-width:1180px;margin-inline:auto;padding-inline:clamp(16px,4vw,28px)}.vh-nav{inset-inline:0;z-index:60;background:0 0;border-bottom:1px solid #0000;transition:background .25s,border-color .25s,-webkit-backdrop-filter .25s,backdrop-filter .25s;position:fixed;top:0}.vh-nav[data-scrolled=true]{-webkit-backdrop-filter:blur(14px);background:#150f23d1;border-bottom-color:#362d59e6}.vh-nav-inner{justify-content:space-between;align-items:center;gap:18px;max-width:1180px;margin-inline:auto;padding:13px clamp(16px,4vw,28px);display:flex}.vh-brand{color:#fff;white-space:nowrap;align-items:center;gap:10px;font-size:15.5px;font-weight:800;transition:transform .25s;display:inline-flex}.vh-brand:hover{color:#fff;transform:rotate(-3deg)scale(1.04)}.vh-nav-links{align-items:center;gap:26px;font-size:14.5px;font-weight:600;display:flex}.vh-nav-links a{color:var(--t2)}.vh-nav-links a:hover,.vh-nav-links a[data-active=true]{color:#fff}.vh-nav-links a[data-active=true]{position:relative}.vh-nav-links a[data-active=true]:after{content:"";inset-inline:0;background:var(--purple-2);border-radius:2px;height:2px;position:absolute;bottom:-18px}.vh-burger{border:1px solid var(--border);color:#fff;cursor:pointer;background:#ffffff0f;border-radius:10px;justify-content:center;align-items:center;width:42px;height:42px;display:none}.vh-burger:hover{border-color:var(--purple-2)}.vh-scrim{z-index:89;cursor:pointer;background:#0b07149e;border:0;display:none;position:fixed;inset:0}.vh-scrim.open{display:block}.vh-drawer{z-index:90;box-sizing:border-box;background:var(--card,#1a1128);border-inline-start:1px solid var(--border);flex-direction:column;width:min(324px,86vw);padding:18px;transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;inset-block:0;inset-inline-end:0;overflow-y:auto;transform:translate(110%)}[dir=rtl] .vh-drawer{transform:translate(-110%)}.vh-drawer.open{transform:none;box-shadow:24px 0 60px #0000008c}[dir=rtl] .vh-drawer.open{box-shadow:-24px 0 60px #0000008c}.vh-drawer-head{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.vh-drawer-eyebrow{font-family:var(--display,"Space Grotesk");letter-spacing:1.2px;text-transform:uppercase;color:var(--t3,#ffffff73);font-size:11px;font-weight:700}.vh-drawer-close{border:1px solid var(--border);width:38px;height:38px;color:var(--t2);cursor:pointer;background:0 0;border-radius:9px;justify-content:center;align-items:center;font-size:15px;display:inline-flex}.vh-drawer-close:hover{color:#fff;border-color:var(--purple-2)}.vh-drawer-links{flex-direction:column;gap:2px;font-size:16px;font-weight:600;display:flex}.vh-drawer-links a{min-height:48px;color:var(--t2);border-radius:10px;align-items:center;padding:0 14px;display:flex}.vh-drawer-links a:hover,.vh-drawer-links a[data-active=true]{color:#fff;background:#ffffff0f}.vh-drawer-div{background:var(--border);height:1px;margin:16px 4px}.vh-drawer-cta{border-radius:9px;justify-content:center;align-items:center;min-height:48px;margin-top:10px;font-size:14px;font-weight:700;display:inline-flex}.vh-drawer-cta.ghost{color:#fff;background:#ffffff1a}.vh-drawer-cta.ghost:hover{background:#ffffff2e}.vh-drawer-cta.primary{min-height:50px;color:var(--mint-ink);background:#fff}@media (max-width:900px){.vh-nav-links,.vh-nav-cta .vh-btn-ghost{display:none}.vh-burger{display:inline-flex}}@media (min-width:901px){.vh-drawer,.vh-scrim{display:none!important}}@media (prefers-reduced-motion:reduce){.vh-drawer{transition:none}}.vh-btn{min-height:44px;font-family:var(--ui);cursor:pointer;white-space:nowrap;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:0 18px;font-size:14.5px;font-weight:800;transition:transform .18s,background .18s,border-color .18s;display:inline-flex}.vh-btn-primary{color:var(--mint-ink);background:#fff}.vh-btn-primary:hover{color:var(--mint-ink);transform:translateY(-1px)}.vh-btn-dark{background:var(--midnight);color:#fff}.vh-btn-dark:hover{background:var(--band);color:#fff}.vh-btn-ghost{color:#fff;background:#ffffff24;border-radius:12px}.vh-btn-ghost:hover{color:#fff;background:#ffffff38}.vh-btn-violet{background:var(--purple);color:#fff;box-shadow:0 6px 22px #783ff252}.vh-btn-violet:hover{color:#fff;background:#8b54ff;transform:translateY(-1px)}.vh-btn-outline{color:#fff;border:1px solid var(--border);background:0 0}.vh-btn-outline:hover{border-color:var(--lav);color:var(--lav)}.vh-btn-sm{min-height:36px;padding:0 13px;font-size:13px}.vh-btn[disabled]{opacity:.55;cursor:not-allowed}.vh-chip{border:1px solid var(--border);color:var(--t2);background:0 0;border-radius:4px;align-items:center;gap:6px;padding:4px 10px;font-size:12.5px;font-weight:700;display:inline-flex}.vh-chip-btn{cursor:pointer}.vh-chip-btn:hover{border-color:var(--lav);color:var(--lav)}.vh-chip[data-on=true],.vh-chip-solid{background:var(--lav);color:var(--mint-ink);border-color:#0000}.vh-chip-violet{background:var(--purple);color:#fff;border-color:#0000}.vh-verified{color:var(--mint);background:#22ffa61a;border:1px solid #22ffa666;border-radius:999px;align-items:center;gap:7px;padding:4px 11px;font-size:12.5px;font-weight:800;display:inline-flex}.vh-verified i{background:var(--mint);border-radius:50%;width:8px;height:8px;box-shadow:0 0 10px #22ffa6cc}.vh-outdated{color:var(--pink);border:1px solid #fa7faa80;border-radius:999px;align-items:center;gap:6px;padding:4px 11px;font-size:12.5px;font-weight:800;display:inline-flex}.vh-solved{color:var(--mint);white-space:nowrap;align-items:center;gap:5px;font-size:12.5px;font-weight:800;display:inline-flex}.vh-rep{background:var(--card);border:1px solid var(--border);border-radius:10px;align-items:center;gap:7px;padding:5px 11px;font-size:12.5px;font-weight:700;display:inline-flex}.vh-rep b{color:var(--lav)}.vh-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:clamp(18px,3vw,26px)}.vh-card-raised{background:var(--raised);border:1px solid var(--border);border-radius:14px}.vh-card-band{background:linear-gradient(180deg, var(--inset), var(--band));border:1px solid var(--border);border-radius:18px;padding:clamp(22px,4vw,36px)}.vh-spotlight{background:var(--deep);border-radius:18px;padding:clamp(22px,4vw,32px)}.vh-island{background:var(--island);color:var(--mint-ink);border-radius:18px;padding:clamp(22px,4vw,36px)}.vh-island a{color:var(--purple)}.vh-code{font-family:var(--mono);text-align:left;background:var(--inset);border:1px solid var(--border);border-inline-start:4px solid var(--purple);color:var(--code);white-space:pre-wrap;word-break:break-word;direction:ltr;border-radius:10px;padding:14px 16px;font-size:13px;line-height:1.75;position:relative;overflow-x:auto}.vh-code[data-error=true]{border-inline-start-color:var(--pink)}.vh-code .k{color:var(--lav)}.vh-code .e{color:var(--pink)}.vh-code .ok{color:var(--mint)}.vh-copy{top:8px;border:1px solid var(--border);color:var(--lav);font-size:11px;font-family:var(--ui);cursor:pointer;direction:rtl;background:#ffffff0d;border-radius:6px;padding:3px 9px;font-weight:700;position:absolute;inset-inline-end:8px}.vh-copy:hover{background:#ffffff1a}.vh-inline-code{font-family:var(--mono);background:var(--inset);border:1px solid var(--border);direction:ltr;unicode-bidi:isolate;border-radius:4px;padding:1px 7px;font-size:13px}.vh-section{padding-block:clamp(40px,7vw,84px)}.vh-eyebrow{font-family:var(--en);text-transform:uppercase;letter-spacing:.3px;color:var(--pink);direction:ltr;font-size:12.5px;font-weight:700}.vh-eyebrow-lav{color:var(--lav);font-size:15px;font-weight:800;font-family:var(--ui);text-transform:none;letter-spacing:0}.vh-h2{font-family:var(--disp);text-wrap:balance;margin:8px 0 0;font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1.2}.vh-lead{color:var(--t2);max-width:620px;margin:10px 0 0;font-size:16px;line-height:1.9}.vh-sec-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;display:flex}.vh-hero{padding-top:clamp(116px,15vh,160px);padding-bottom:96px;position:relative}.vh-hero-glow{top:-140px;pointer-events:none;background:radial-gradient(60% 52% at 50% 32%,#783ff252,#783ff21a 52%,#0000 74%);height:640px;position:absolute;inset-inline:0}.vh-hero-beam{top:0;bottom:0;pointer-events:none;background:linear-gradient(90deg,#0000,#22ffa61a,#0000);width:130px;animation:13s ease-in-out infinite alternate vh-sweep;position:absolute;inset-inline-start:50%}.vh-h1{font-family:var(--disp);text-wrap:balance;margin:14px 0;font-size:clamp(38px,6vw,68px);font-weight:700;line-height:1.18}.vh-hl-mint{background:var(--mint);color:var(--mint-ink);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:6px;padding:0 .14em}.vh-search{max-width:680px;margin-inline:auto;position:relative}.vh-search-box{background:#fff;border-radius:10px;align-items:center;gap:8px;padding:8px;transition:box-shadow .2s;display:flex;box-shadow:0 0 #783ff200}.vh-search-box:focus-within{box-shadow:0 0 0 6px #783ff22e}.vh-search-box input{min-width:0;font-family:var(--ui);color:var(--mint-ink);background:0 0;border:none;outline:none;flex:1;padding:8px 6px;font-size:15.5px}.vh-search-drop{top:calc(100% + 8px);z-index:40;background:var(--raised);border:1px solid var(--border);text-align:start;border-radius:12px;position:absolute;inset-inline:0;overflow:hidden}.vh-search-row{cursor:pointer;color:#fff;border-bottom:1px dashed #ffffff14;align-items:center;gap:12px;padding:11px 14px;display:flex}.vh-search-row:hover{color:#fff;background:#2b1f42}.vh-search-foot{background:var(--card);justify-content:space-between;align-items:center;gap:10px;padding:9px 14px;display:flex}.vh-qrow{background:var(--card);border:1px solid var(--border);border-radius:12px;grid-template-columns:56px 1fr auto;align-items:center;gap:14px;padding:14px 16px;display:grid}.vh-qrow+.vh-qrow{margin-top:10px}.vh-qrow h3,.vh-qrow h4{color:#fff;margin:0 0 7px;font-size:15.5px;font-weight:700;line-height:1.5}.vh-qrow .meta{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.vh-votes{background:var(--midnight);border:1px solid var(--border);font-family:var(--mono);color:var(--t3);border-radius:10px;place-items:center;min-width:48px;padding:7px 4px;font-size:12px;line-height:1.2;display:grid}.vh-votes b{color:var(--lav);font-size:15px}.vh-votebtn{background:var(--midnight);border:1px solid var(--border);font-family:var(--mono);color:var(--t3);cursor:pointer;border-radius:10px;place-items:center;gap:2px;min-width:48px;padding:6px 8px;font-size:12px;transition:border-color .16s;display:grid}.vh-votebtn:hover{border-color:var(--lav)}.vh-votebtn[data-on=true]{border-color:var(--mint);color:var(--mint)}.vh-votebtn b{color:var(--lav);font-size:15px}.vh-votebtn[data-on=true] b{color:var(--mint)}.vh-rsrc{background:var(--card);border:1px solid var(--border);border-radius:14px;grid-template-columns:46px 1fr;gap:14px;padding:18px;transition:transform .16s,border-color .16s;display:grid}.vh-rsrc:hover{border-color:var(--lav);transform:translateY(-3px)}.vh-rsrc .ic{background:var(--deep);width:46px;height:46px;font-family:var(--en);color:#fff;direction:ltr;border-radius:11px;place-items:center;font-size:15px;font-weight:700;display:grid}.vh-rsrc h3{color:#fff;margin:0;font-size:16.5px;font-weight:700}.vh-rsrc p{color:var(--t2);margin:6px 0 10px;font-size:13.5px;line-height:1.8}.vh-stars-rt{color:var(--lav);font-family:var(--mono);direction:ltr;font-size:13px}.vh-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.vh-grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;display:grid}.vh-article-card{border:1px solid var(--border);background:var(--card);min-height:100%;color:inherit;border-radius:14px;grid-template-rows:172px 1fr;transition:transform .16s,border-color .16s;display:grid;overflow:hidden}.vh-article-card:hover{border-color:var(--lav);transform:translateY(-3px)}.vh-article-cover{background:linear-gradient(135deg, #783ff273, #22ffa624), var(--deep);min-height:172px;display:block;position:relative}.vh-article-body{align-content:start;gap:9px;padding:17px;display:grid}.vh-article-body h3{color:#fff;margin:0;font-size:17px;line-height:1.55}.vh-article-body p{color:var(--t2);margin:0;font-size:13.5px;line-height:1.8}.vh-article-read{color:var(--mint);margin-top:2px;font-size:13px;font-weight:800}.vh-field{gap:7px;margin-bottom:16px;display:grid}.vh-field label{color:var(--t1);font-size:14px;font-weight:700}.vh-field .hint{color:var(--t3);font-size:12.5px}.vh-input,.vh-textarea,.vh-select{border:1px solid var(--border);background:var(--inset);color:#fff;width:100%;min-height:46px;font-family:var(--ui);border-radius:8px;outline:none;padding:11px 13px;font-size:15px}.vh-input:focus,.vh-textarea:focus,.vh-select:focus{border-color:var(--lav);box-shadow:0 0 0 3px #783ff240}.vh-textarea{resize:vertical;min-height:120px;line-height:1.7}.vh-input.mono,.vh-textarea.mono{font-family:var(--mono);text-align:left;direction:ltr}.vh-hp{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.vh-err{color:var(--pink);font-size:13.5px;font-weight:700}.vh-ok{color:var(--mint);font-size:13.5px;font-weight:700}.vh-prose{color:var(--t2);font-size:15.5px;line-height:1.95}.vh-prose h2{font-family:var(--disp);color:#fff;margin:28px 0 10px;font-size:22px}.vh-prose h3{color:#fff;margin:22px 0 8px;font-size:18px}.vh-prose p{margin:0 0 14px}.vh-prose ul,.vh-prose ol{margin:0 0 14px;padding-inline-start:22px}.vh-prose li{margin-bottom:6px}.vh-prose code{font-family:var(--mono);background:var(--inset);border:1px solid var(--border);direction:ltr;unicode-bidi:isolate;border-radius:4px;padding:1px 6px;font-size:13px}.vh-prose pre{background:var(--inset);border:1px solid var(--border);border-inline-start:4px solid var(--purple);text-align:left;direction:ltr;border-radius:10px;padding:14px 16px;overflow-x:auto}.vh-prose pre code{background:0 0;border:none;padding:0}.vh-prose a{color:var(--lav);text-decoration:underline}.vh-prose strong{color:#fff}.vh-steps{gap:14px;margin:16px 0;display:grid}.vh-step{grid-template-columns:30px 1fr;gap:12px;display:grid}.vh-step .n{background:var(--deep);color:#fff;width:30px;height:30px;font-family:var(--mono);border-radius:8px;place-items:center;font-size:13px;font-weight:700;display:grid}.vh-step h4{color:#fff;margin:4px 0 6px;font-size:15px}.vh-step p{color:var(--t2);margin:0 0 8px;font-size:14px;line-height:1.75}.vh-mascot{pointer-events:none;z-index:1;position:absolute}.vh-mascot img{width:100%;height:auto;animation:8s ease-in-out infinite vh-floaty;display:block}@media (max-width:640px){.vh-mascot{display:none}}.vh-squiggle{width:100%;height:24px;color:var(--mint);margin:40px 0 0;display:block}.vh-footer{border-top:1px solid #ffffff14;margin-top:40px;padding-block:30px 40px}.vh-footer-grid{grid-template-columns:1.4fr repeat(4,1fr);gap:24px;display:grid}.vh-footer-grid h5{color:#fff;margin:0 0 12px;font-size:13px;font-weight:800}.vh-footer-grid ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.vh-footer-grid a{color:var(--t3);font-size:13.5px}.vh-footer-grid a:hover{color:#fff}.vh-footer-bottom{color:var(--t4);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:26px;font-size:13px;display:flex}@media (max-width:820px){.vh-footer-grid{grid-template-columns:1fr 1fr}}.vh-crumb{color:var(--t3);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;font-size:13px;display:flex}.vh-crumb a{color:var(--t3)}.vh-crumb a:hover{color:#fff}.vh-avatar{background:var(--deep);width:36px;height:36px;color:var(--lav);border-radius:50%;flex:none;place-items:center;font-size:14px;font-weight:800;display:inline-grid}.vh-empty{text-align:center;color:var(--t3);padding:48px 20px}.vh-empty b{color:#fff;margin:10px 0 6px;font-size:17px;display:block}.vh-divider{background:var(--border);border:none;height:1px;margin:24px 0}.vh-toolbar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.vh-mod-bar{border:1px dashed var(--border);background:#783ff214;border-radius:10px;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;padding:10px 12px;font-size:13px;display:flex}@keyframes vh-floaty{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes vh-sweep{0%{transform:translate(-44vw)}to{transform:translate(44vw)}}@keyframes vh-dash{to{stroke-dashoffset:-160px}}@keyframes vh-grow{0%,to{transform:scaleX(.55)}50%{transform:scaleX(1)}}.vh-dash{animation:7s linear infinite vh-dash}.vh-grow{transform-origin:100%;animation:3s ease-in-out infinite vh-grow}@media (prefers-reduced-motion:reduce){.vh-root *,.vh-root :before,.vh-root :after{animation:none!important}}