/* نِك فايندر — RTL dark theme */
:root{
  --bg:#0d0b1a; --bg2:#141130; --card:#191537; --card2:#211c47;
  --line:#2e2760; --line2:#3b3277;
  --ink:#eae6ff; --ink2:#b3aad6; --ink3:#8b82b8;
  --brand:#a855f7; --brand2:#7c3aed; --accent:#22d3ee; --gold:#fbbf24;
  --ok:#34d399; --radius:14px;
  --shadow:0 6px 24px rgba(0,0,0,.45);
  --font:"IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:16px;line-height:1.85;overflow-x:hidden}
img,svg{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 16px}
.skip{position:absolute;right:-9999px;top:0;background:var(--brand);color:#fff;
  padding:10px 16px;border-radius:0 0 0 10px;z-index:100}
.skip:focus{right:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,11,26,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:14px;min-height:62px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:700;
  font-size:1.12rem;text-decoration:none;flex:0 0 auto}
.logo:hover{text-decoration:none}
.logo-mark{display:inline-grid;place-items:center;width:34px;height:34px;
  border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;font-size:1rem}
.main-nav{display:flex;gap:4px;flex-wrap:wrap;margin-inline-start:auto}
.main-nav a{color:var(--ink2);padding:7px 11px;border-radius:9px;font-size:.93rem;
  font-weight:500;white-space:nowrap}
.main-nav a:hover{background:var(--card2);color:var(--ink);text-decoration:none}
.main-nav a.on{background:var(--brand2);color:#fff}
.nav-toggle{display:none;margin-inline-start:auto;background:var(--card2);
  border:1px solid var(--line);border-radius:9px;width:42px;height:38px;
  cursor:pointer;padding:9px 10px;flex-direction:column;justify-content:space-between}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px}
@media(max-width:880px){
  .nav-toggle{display:flex}
  .main-nav{display:none;width:100%;flex-direction:column;gap:2px;padding-bottom:10px}
  .main-nav.open{display:flex}
  .main-nav a{width:100%}
}

/* ---------- breadcrumbs ---------- */
.crumbs{padding-top:12px;font-size:.85rem;color:var(--ink3)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li+li::before{content:"‹";margin-inline-end:6px;color:var(--line2)}
.crumbs a{color:var(--ink3)}

/* ---------- hero ---------- */
main{display:block;padding-bottom:50px}
.hero{padding:26px 0 16px}
.hero h1{font-size:clamp(1.5rem,4.4vw,2.3rem);line-height:1.4;margin:0 0 10px;
  font-weight:700;letter-spacing:-.01em}
.hero .sub{color:var(--ink2);font-size:1.02rem;margin:0;max-width:70ch}
.home-hero{text-align:center;padding:38px 0 20px;
  background:radial-gradient(1000px 320px at 50% -10%,rgba(168,85,247,.22),transparent 70%)}
.home-hero h1{margin-inline:auto}
.home-hero .sub{margin-inline:auto}

/* ---------- typography ---------- */
h2{font-size:clamp(1.22rem,3vw,1.6rem);margin:0 0 12px;font-weight:700;line-height:1.45}
h3{font-size:1.08rem;margin:22px 0 8px;font-weight:600}
p{margin:0 0 14px}
.block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin:20px 0}
.block>p:last-child{margin-bottom:0}
.prose ul,.prose ol{margin:0 0 14px;padding-inline-start:22px}
.prose li{margin-bottom:7px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:.94rem}
.prose th,.prose td{border:1px solid var(--line);padding:9px 11px;text-align:right}
.prose th{background:var(--card2);font-weight:600}
.lead{font-size:1.05rem;color:var(--ink2)}
.note{background:var(--card2);border-inline-start:4px solid var(--brand);
  padding:12px 16px;border-radius:10px;margin:0 0 16px;font-size:.95rem}

/* ---------- tool box ---------- */
.tool{background:linear-gradient(160deg,var(--card2),var(--card));
  border:1px solid var(--line2);border-radius:18px;padding:20px;margin:6px 0 14px;
  box-shadow:var(--shadow)}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:.95rem}
input[type=text],input[type=number],select,textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line2);border-radius:11px;
  background:#0f0d24;color:var(--ink);font-family:var(--font);font-size:1.02rem}
textarea{min-height:92px;resize:vertical;line-height:2}
input::placeholder,textarea::placeholder{color:var(--ink3)}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1 1 180px;min-width:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border:0;border-radius:11px;font-family:var(--font);
  font-size:1rem;font-weight:600;cursor:pointer;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.btn:hover{filter:brightness(1.12)}
.btn.alt{background:var(--card);border:1px solid var(--line2);color:var(--ink)}
.btn.sm{padding:8px 14px;font-size:.88rem}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.hide{display:none!important}

/* ---------- style chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}
.chip{background:var(--card);border:1px solid var(--line2);color:var(--ink2);
  border-radius:999px;padding:6px 13px;font-size:.85rem;cursor:pointer;
  font-family:var(--font)}
.chip:hover{border-color:var(--brand);color:var(--ink)}
.chip.on{background:var(--brand2);border-color:var(--brand);color:#fff}

/* ---------- results ---------- */
.nick-grid{display:grid;gap:9px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.nick{position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:11px;padding:13px 12px;text-align:center;cursor:pointer;
  font-family:var(--font);font-size:1.06rem;color:var(--ink);line-height:2.1;
  word-break:break-word;transition:border-color .15s,transform .15s}
.nick:hover{border-color:var(--brand);transform:translateY(-2px)}
.nick.copied{border-color:var(--ok)}
.nick.copied::after{content:"تم النسخ ✓";position:absolute;inset-inline-end:6px;top:4px;
  font-size:.66rem;color:var(--ok);line-height:1.4}
.nick-t{display:block;direction:ltr;unicode-bidi:isolate}
.grid-hint{font-size:.86rem;color:var(--ink3);margin-bottom:9px}
.sym-grid{display:grid;gap:6px;grid-template-columns:repeat(auto-fill,minmax(52px,1fr))}
.sym{background:var(--card);border:1px solid var(--line);border-radius:9px;
  padding:9px 4px;font-size:1.25rem;cursor:pointer;color:var(--ink);
  text-align:center;line-height:1.6}
.sym:hover{border-color:var(--brand);background:var(--card2)}
.sym.copied{border-color:var(--ok)}
.font-row{display:flex;align-items:center;gap:10px;padding:11px 13px;
  border:1px solid var(--line);border-radius:11px;background:var(--card);
  margin-bottom:8px;flex-wrap:wrap}
.font-row .fname{font-size:.78rem;color:var(--ink3);flex:0 0 auto;min-width:96px}
.font-row .fout{flex:1 1 200px;font-size:1.12rem;line-height:2.1;word-break:break-word;
  direction:ltr;unicode-bidi:isolate;text-align:start}
.font-row.rtl .fout{direction:rtl}
.copy-note{color:var(--ok);font-size:.86rem;min-height:1.3em;margin:6px 0 0}

/* ---------- misc lists ---------- */
.related{display:flex;flex-wrap:wrap;gap:9px}
.related a{background:var(--card2);border:1px solid var(--line2);border-radius:999px;
  padding:8px 15px;color:var(--ink2);font-size:.9rem}
.related a:hover{border-color:var(--brand);color:var(--ink);text-decoration:none}
.cards{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;color:var(--ink)}
.card:hover{border-color:var(--brand);text-decoration:none;transform:translateY(-2px)}
.card .ico{font-size:1.5rem;display:block;margin-bottom:6px}
.card strong{display:block;font-size:1.03rem;margin-bottom:4px}
.card span.d{color:var(--ink3);font-size:.88rem;line-height:1.7;display:block}
.taglist{display:flex;flex-wrap:wrap;gap:8px}
.taglist a{background:var(--card);border:1px solid var(--line);border-radius:9px;
  padding:7px 13px;font-size:.9rem;color:var(--ink2)}
.taglist a:hover{border-color:var(--brand);color:var(--ink);text-decoration:none}
.howto{padding-inline-start:20px;margin:0}
.howto li{margin-bottom:9px}
.howto strong{color:var(--ink)}
.faq{border:1px solid var(--line);border-radius:11px;margin-bottom:9px;
  background:var(--card2);overflow:hidden}
.faq summary{cursor:pointer;padding:13px 16px;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:left;color:var(--brand);font-weight:700}
.faq[open] summary::after{content:"−"}
.faq-a{padding:0 16px 13px;color:var(--ink2)}
.faq-a p{margin:0}
.ad-slot{min-height:96px;border:1px dashed var(--line2);border-radius:12px;
  margin:22px 0;background:rgba(255,255,255,.015)}
.stat-row{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0 0}
.stat{flex:1 1 130px;background:var(--card);border:1px solid var(--line);
  border-radius:11px;padding:12px;text-align:center}
.stat b{display:block;font-size:1.3rem;color:var(--brand)}
.stat span{font-size:.8rem;color:var(--ink3)}
.pw-out{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.2rem;
  direction:ltr;text-align:center;word-break:break-all;background:#0f0d24;
  border:1px solid var(--line2);border-radius:11px;padding:15px;margin-bottom:10px}
.meter{height:8px;border-radius:6px;background:var(--card2);overflow:hidden;margin-bottom:6px}
.meter i{display:block;height:100%;width:0;background:var(--ok);transition:width .25s}
.toc{background:var(--card2);border:1px solid var(--line);border-radius:12px;
  padding:16px 20px;margin:0 0 20px}
.toc p{font-weight:600;margin:0 0 8px}
.toc ol{margin:0;padding-inline-start:20px}
.toc li{margin-bottom:5px}
.meta{color:var(--ink3);font-size:.86rem;margin-bottom:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);margin-top:34px;
  padding:34px 0 18px;font-size:.93rem}
.foot-grid{display:grid;gap:26px;grid-template-columns:1.6fr 1fr 1fr 1fr}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-about p{color:var(--ink3);margin:10px 0 0;line-height:1.9}
.foot-col{display:flex;flex-direction:column;gap:7px}
.foot-title{font-weight:700;margin:0 0 4px;color:var(--ink)}
.foot-col a{color:var(--ink3)}
.foot-col a:hover{color:var(--accent)}
.foot-base{border-top:1px solid var(--line);margin-top:26px;padding-top:16px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--ink3);font-size:.85rem}
.foot-base p{margin:0}
.foot-note{max-width:56ch}
.tool-h{font-size:1.02rem;margin:20px 0 9px;font-weight:600;color:var(--ink2)}
.chip input{margin-inline-end:6px;accent-color:var(--brand)}
input[type=range]{accent-color:var(--brand)}
code{background:var(--card2);padding:2px 6px;border-radius:6px;font-size:.9em;direction:ltr;display:inline-block}
.big-list{columns:3;column-gap:20px}
@media(max-width:700px){.big-list{columns:2}}
@media(max-width:420px){.big-list{columns:1}}
.big-list a{display:block;padding:5px 0;color:var(--ink2);break-inside:avoid}
.name-meta{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 16px}
.name-meta span{background:var(--card2);border:1px solid var(--line);border-radius:8px;
  padding:5px 12px;font-size:.85rem;color:var(--ink2)}