/* مختبر الذكاء الاصطناعي — مشترك بين /ai-agents-lab و /aiic/lab. الألوان من متغيرات كل صفحة. */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--stone);font-family:var(--font);line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
svg.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.w{width:100%;max-width:980px;margin:0 auto;padding:0 20px}
nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--ink) 86%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
nav .w{display:flex;align-items:center;justify-content:space-between;gap:12px;height:60px}
nav b{font-size:13.5px;font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;font-size:14.5px;padding:12px 24px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .15s,opacity .15s;text-align:center}
.btn:active{transform:scale(.97)}
.btn.pri{background:var(--acc);color:var(--ink)}
.btn.ghost{border-color:var(--line2);color:var(--stone);background:transparent}
.btn.sm{padding:8px 16px;font-size:13px}
.btn[disabled]{opacity:.5;cursor:wait}
.hero{text-align:center;padding:64px 0 34px;position:relative}
.hero::before{content:'';position:absolute;inset:-80px 0 auto;height:420px;background:radial-gradient(60% 60% at 50% 30%,color-mix(in srgb,var(--acc) 22%,transparent),transparent 70%);pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.22em;direction:ltr;color:var(--acc);text-transform:uppercase;font-weight:600}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 0 var(--acc);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}
h1{font-size:clamp(30px,6.4vw,54px);font-weight:700;line-height:1.4;margin:14px 0 10px;position:relative}
h1 em{font-style:normal;color:var(--acc)}
.lead{color:var(--mut);font-size:clamp(14.5px,2vw,17px);max-width:640px;margin:0 auto;position:relative}
.tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:26px auto 0;position:relative}
.tabs button{font:inherit;font-size:13.5px;font-weight:600;color:var(--mut);background:transparent;border:1px solid var(--line2);border-radius:999px;padding:9px 18px;cursor:pointer;display:inline-flex;gap:8px;align-items:center}
.tabs button.on{background:var(--acc);border-color:var(--acc);color:var(--ink)}
section.tool{padding:26px 0 54px}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:clamp(18px,4vw,34px);margin:0 auto;text-align:center}
.card h2{font-size:clamp(20px,3.6vw,28px);font-weight:700;line-height:1.5}
.card .sub{color:var(--mut);font-size:14.5px;max-width:560px;margin:6px auto 20px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:start}
.f{display:flex;flex-direction:column;gap:6px;text-align:start}
.f.full{grid-column:1/-1}
.f label{font-size:13px;color:var(--mut);font-weight:500}
input,select,textarea{font:inherit;font-size:15px;color:var(--stone);background:var(--field);border:1px solid var(--line2);border-radius:14px;padding:12px 14px;width:100%;outline:none;transition:border-color .15s}
textarea{resize:vertical;min-height:110px;line-height:1.9}
input:focus,select:focus,textarea:focus{border-color:var(--acc)}
select option{color:#111;background:#fff}
.go{margin-top:18px;display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.note{font-size:12.5px;color:var(--mut);margin-top:12px}
.err{color:#ff8a7a;font-size:13.5px;margin-top:12px;min-height:1em}
.load{padding:34px 0 10px;display:none}
.load.on{display:block}
.orbit{width:74px;height:74px;margin:0 auto 14px;position:relative}
.orbit i{position:absolute;inset:0;border-radius:50%;border:2px solid transparent;border-top-color:var(--acc);animation:spin 1s linear infinite}
.orbit i:nth-child(2){inset:10px;border-top-color:var(--acc2);animation-duration:1.5s;animation-direction:reverse}
.orbit i:nth-child(3){inset:22px;border-top-color:var(--stone);animation-duration:2.1s}
@keyframes spin{to{transform:rotate(360deg)}}
.load p{color:var(--mut);font-size:14.5px;min-height:1.9em}
.res{display:none;margin-top:8px;animation:up .5s ease both}
.res.on{display:block}
@keyframes up{from{opacity:0;transform:translateY(14px)}}
.box{border:1px solid var(--line);border-radius:18px;padding:18px;background:var(--box);text-align:center;margin-top:14px}
.box h3{font-size:14px;color:var(--acc);font-weight:600;margin-bottom:8px;display:flex;gap:8px;align-items:center;justify-content:center}
.box p{font-size:14.5px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
ul.l{list-style:none;display:grid;gap:8px;text-align:start}
ul.l li{position:relative;padding-inline-start:26px;font-size:14.5px}
ul.l li::before{content:'';position:absolute;inset-inline-start:4px;top:.75em;width:9px;height:9px;border-radius:50%;border:2px solid var(--acc)}
ol.n{list-style:none;counter-reset:n;display:grid;gap:10px;text-align:start}
ol.n li{counter-increment:n;position:relative;padding-inline-start:40px;font-size:14.5px}
ol.n li::before{content:counter(n);position:absolute;inset-inline-start:0;top:.15em;width:28px;height:28px;border-radius:50%;background:color-mix(in srgb,var(--acc) 18%,transparent);color:var(--acc);font-weight:700;font-size:13px;display:grid;place-items:center}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.chip{font:inherit;font-size:13px;border:1px solid var(--line2);border-radius:999px;padding:6px 14px;color:var(--stone);background:transparent;cursor:pointer}
a.chip:hover,button.chip:hover{border-color:var(--acc);color:var(--acc)}
.title{font-size:clamp(24px,5vw,38px);font-weight:700;line-height:1.4}
.tag{color:var(--mut);font-size:15px}
/* شعار الوكيل */
.logo{width:96px;height:96px;margin:0 auto 10px;display:block}
/* المحادثة */
.chat{border:1px solid var(--line);border-radius:18px;background:var(--box);margin-top:14px;overflow:hidden;text-align:start}
.chat .hd{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-bottom:1px solid var(--line);font-size:13px;color:var(--mut)}
.chat .hd i{width:8px;height:8px;border-radius:50%;background:#35d07f}
.msgs{padding:14px;display:flex;flex-direction:column;gap:10px;max-height:340px;overflow:auto}
.m{max-width:86%;padding:10px 14px;border-radius:16px;font-size:14.5px;line-height:1.85;white-space:pre-wrap;animation:up .3s ease both}
.m.a{align-self:flex-start;background:color-mix(in srgb,var(--acc) 14%,transparent);border-start-start-radius:4px}
.m.u{align-self:flex-end;background:var(--field);border-start-end-radius:4px}
.dots{display:inline-flex;gap:4px}.dots b{width:6px;height:6px;border-radius:50%;background:var(--mut);animation:bl 1s infinite}.dots b:nth-child(2){animation-delay:.15s}.dots b:nth-child(3){animation-delay:.3s}
@keyframes bl{50%{opacity:.25;transform:translateY(-3px)}}
.send{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}
.send input{border-radius:999px}
.send .btn{padding:10px 18px;flex:none}
/* قبل وبعد */
.race{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.lane{border:1px solid var(--line);border-radius:18px;padding:16px;background:var(--box)}
.lane h3{font-size:14px;font-weight:600;display:flex;gap:8px;align-items:center;justify-content:center;margin-bottom:10px}
.lane.b h3{color:var(--acc)}
.cells{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;direction:ltr}
.cells i{aspect-ratio:1;border-radius:4px;background:var(--field);transition:background .25s}
.lane.a .cells i.on{background:var(--mut)}
.lane.b .cells i.on{background:var(--acc)}
.big{font-size:clamp(24px,5vw,36px);font-weight:700;line-height:1.3;margin-top:10px;font-variant-numeric:tabular-nums}
.lane small{color:var(--mut);font-size:12.5px;display:block}
.rng{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:center;margin-top:6px}
.rng label{font-size:13px;color:var(--mut)}
.rng output{display:block;font-weight:700;font-size:18px;color:var(--stone)}
input[type=range]{padding:0;height:6px;border:0;background:var(--field);accent-color:var(--acc);border-radius:99px}
.kp{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.kp div{border:1px solid var(--line);border-radius:16px;padding:14px 8px;background:var(--box)}
.kp b{display:block;font-size:clamp(20px,4.4vw,30px);color:var(--acc);line-height:1.3;font-variant-numeric:tabular-nums}
.kp span{font-size:12.5px;color:var(--mut)}
/* اللجنة */
.judge{border:1px solid var(--line);border-radius:18px;padding:16px 12px;background:var(--box);opacity:0;transform:translateY(12px);transition:.5s}
.judge.on{opacity:1;transform:none}
.judge .av{width:52px;height:52px;border-radius:50%;margin:0 auto 6px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 18%,transparent);color:var(--c)}
.judge .av svg{width:26px;height:26px}
.judge b{display:block;font-size:14.5px}
.ring{width:84px;height:84px;margin:8px auto;position:relative}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:7}
.ring .bg{stroke:var(--field)}
.ring .fg{stroke:var(--c);stroke-linecap:round;transition:stroke-dashoffset 1.2s ease}
.ring span{position:absolute;inset:0;display:grid;place-items:center;font-weight:700;font-size:20px;font-variant-numeric:tabular-nums}
.judge p{font-size:13.5px;color:var(--stone);text-align:center}
.judge .ask{margin-top:8px;font-size:12.5px;color:var(--mut);border-top:1px dashed var(--line2);padding-top:8px}
.deb{display:flex;flex-direction:column;gap:10px;margin-top:6px;text-align:start}
.deb .d{display:flex;gap:10px;align-items:flex-start;animation:up .35s ease both}
.deb .d .av{width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 18%,transparent);color:var(--c)}
.deb .d .av svg{width:18px;height:18px}
.deb .d div{background:var(--field);border-radius:14px;border-start-start-radius:4px;padding:9px 13px;font-size:14px;flex:1}
.deb .d div b{display:block;font-size:12px;color:var(--c)}
/* المؤشر */
.gauge{width:170px;margin:0 auto}
.gauge svg{width:100%;display:block}
.gauge path{fill:none;stroke-width:12;stroke-linecap:round}
.gauge .bg{stroke:var(--field)}
.gauge .fg{stroke:var(--acc);transition:stroke-dashoffset 1.4s ease}
.gauge b{display:block;font-size:34px;line-height:1;margin-top:-34px;font-variant-numeric:tabular-nums}
.shot{width:100%;max-width:420px;aspect-ratio:1;border-radius:18px;border:1px solid var(--line);object-fit:cover;display:block;margin:0 auto 6px;background:var(--box)}
.parts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.parts div{border:1px dashed var(--line2);border-radius:14px;padding:12px 8px;font-size:13px;color:var(--mut)}
.parts b{display:block;color:var(--stone);font-size:14px}
.cta{text-align:center;padding:10px 0 70px}
.cta .card{background:linear-gradient(160deg,color-mix(in srgb,var(--acc) 20%,var(--card)),var(--card))}
footer{border-top:1px solid var(--line);padding:22px 0;text-align:center;color:var(--mut);font-size:12.5px}
/* مراحل التطبيق الحي */
.stp{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:14px 0 4px}
.stp span{font-size:11.5px;color:var(--mut);display:flex;flex-direction:column;align-items:center;gap:5px;line-height:1.4}
.stp i{font-style:normal;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line2);display:grid;place-items:center;font-size:12.5px;font-weight:700}
.stp i svg{width:15px;height:15px}
.stp .cur{color:var(--stone)}.stp .cur i{border-color:var(--acc);color:var(--acc);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 18%,transparent)}
.stp .done i{background:var(--acc);border-color:var(--acc);color:var(--ink)}
.ags{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ag{font:inherit;color:var(--stone);background:var(--box);border:1px solid var(--line);border-radius:18px;padding:16px 12px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;transition:transform .15s,border-color .15s}
.ag:hover{border-color:var(--acc);transform:translateY(-3px)}
.ag .av{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:color-mix(in srgb,var(--acc) 16%,transparent);color:var(--acc)}
.ag b{font-size:15.5px}.ag small{color:var(--acc);font-size:12.5px}.ag span:not(.av){font-size:13px;color:var(--mut);line-height:1.8}
.ag em{font-style:normal;font-size:12.5px;font-weight:700;margin-top:6px;border:1px solid var(--line2);border-radius:999px;padding:3px 14px}
.paper{position:relative;background:#fdfcf9;color:#1b1b1f;border-radius:10px;padding:22px 20px 26px;margin:14px auto 0;max-width:620px;text-align:start;box-shadow:0 18px 50px rgba(0,0,0,.45);min-height:280px;overflow:hidden}
.paper .ph{display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:2px solid #1b1b1f;padding-bottom:10px;margin-bottom:14px;font-size:12.5px;color:#55555c}
.paper .ph b{font-size:15px;color:#1b1b1f}
.paper .pb{white-space:pre-wrap;font-size:14.5px;line-height:2.15}
.paper .pf{margin-top:16px;padding-top:10px;border-top:1px dashed #b9b9bf;font-size:13px;color:#3a3a40}
.typing::after{content:'';display:inline-block;width:2px;height:1.1em;background:var(--acc);vertical-align:-2px;margin-inline-start:2px;animation:bl .7s infinite}
.stamp{position:absolute;inset-inline-end:18px;bottom:92px;width:96px;height:96px;border-radius:50%;border:3px double #0b7a4b;color:#0b7a4b;display:grid;place-content:center;text-align:center;transform:rotate(-14deg);animation:stamp .5s cubic-bezier(.2,1.6,.4,1) both;background:rgba(11,122,75,.05)}
.stamp b{font-size:22px;line-height:1.2}.stamp small{font-size:10.5px}
@keyframes stamp{from{transform:rotate(-14deg) scale(2.4);opacity:0}}
.trk{display:grid;gap:10px;text-align:start;max-width:340px;margin:0 auto}
.trk div{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--mut);transition:color .4s}
.trk i{width:14px;height:14px;border-radius:50%;border:2px solid var(--line2);flex:none;transition:.4s}
.trk .on{color:var(--stone)}.trk .on i{background:var(--acc);border-color:var(--acc);box-shadow:0 0 0 5px color-mix(in srgb,var(--acc) 20%,transparent)}
.gate{padding:10px 0;animation:up .5s ease both}
.gate.in{margin-top:18px;border:1px solid var(--acc);border-radius:20px;padding:22px 16px;background:linear-gradient(160deg,color-mix(in srgb,var(--acc) 16%,transparent),transparent)}
.gate .lk{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;margin:0 auto 10px;background:color-mix(in srgb,var(--acc) 16%,transparent);color:var(--acc)}
.gate .lk svg{width:28px;height:28px}
/* الوكيلان والتسليم */
.duo{display:grid;grid-template-columns:1fr 56px 1fr;align-items:center;max-width:460px;margin:14px auto 4px}
.agt{display:flex;flex-direction:column;align-items:center;gap:2px;opacity:.5;transition:.4s}
.agt .av{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--line2);color:var(--mut);transition:.4s}
.agt .av svg{width:24px;height:24px}
.agt b{font-size:13.5px}.agt small{font-size:11.5px;color:var(--mut)}
.agt.on{opacity:1}.agt.on .av{border-color:var(--acc);color:var(--acc);box-shadow:0 0 0 6px color-mix(in srgb,var(--acc) 16%,transparent);animation:pulse 1.6s infinite}
.wire{height:2px;background:var(--line2);position:relative;border-radius:2px}
.wire i{position:absolute;top:-5px;inset-inline-start:0;width:12px;height:12px;border-radius:50%;background:var(--acc);opacity:0}
.wire.go i{animation:pass 1.1s ease-in-out 2}
@keyframes pass{0%{inset-inline-start:0;opacity:1}100%{inset-inline-start:calc(100% - 12px);opacity:1}}
.pipe{display:grid;gap:10px;text-align:start;margin-top:14px}
.pst{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:16px;padding:12px 14px;background:var(--box);opacity:.45;transition:.4s}
.pst>i{font-style:normal;flex:none;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--line2);display:grid;place-items:center;font-size:13px;font-weight:700}
.pst>i svg{width:16px;height:16px}
.pst>div{min-width:0;flex:1}.pst b{font-size:14.5px}.pst p{font-size:13.5px;color:var(--mut);line-height:1.8;min-height:1.2em}
.pst em{font-style:normal;display:inline-block;margin-top:6px;font-size:12.5px;font-weight:600;color:var(--acc);background:color-mix(in srgb,var(--acc) 14%,transparent);border-radius:999px;padding:3px 12px}
.pst.run{opacity:1;border-color:var(--acc)}.pst.run>i{border-color:var(--acc);color:var(--acc)}
.pst.ok{opacity:1}.pst.ok>i{background:var(--acc);border-color:var(--acc);color:var(--ink)}
.verdict{margin-top:14px;border:1.5px solid var(--acc);border-radius:18px;padding:16px;background:linear-gradient(160deg,color-mix(in srgb,var(--acc) 18%,transparent),transparent);animation:up .5s ease both}
.verdict small{display:block;font-size:12px;color:var(--acc);font-weight:600}.verdict b{display:block;font-size:clamp(18px,4.2vw,24px);line-height:1.6;margin:2px 0}.verdict span{font-size:13.5px;color:var(--mut)}
.hand{display:flex;flex-direction:column;gap:10px;margin-top:14px;text-align:start}
.hand .m b{display:block;font-size:11.5px;color:var(--acc);margin-bottom:2px}
.paper .sig{margin-top:22px;text-align:end;font-weight:700;font-size:14px}
.cmp{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;margin-top:18px;border:1px solid var(--line);border-radius:18px;padding:16px 10px;background:var(--box);animation:up .5s ease both}
.cmp small{display:block;font-size:12px;color:var(--mut)}.cmp b{display:block;font-size:clamp(28px,7vw,44px);line-height:1.2;font-variant-numeric:tabular-nums}.cmp span{font-size:12.5px;color:var(--mut)}
.cmp div:first-child b{color:var(--acc)}
.cmp .vs{font-size:13px;font-weight:700;color:var(--ink);background:var(--acc);border-radius:999px;padding:6px 12px;white-space:nowrap}
@media print{body *{visibility:hidden}.paper,.paper *{visibility:visible}.paper{position:absolute;inset:0;margin:0;max-width:none;box-shadow:none;border-radius:0}nav,.lt-fab{display:none}}
.exp{margin-top:16px;border:1px dashed var(--line2);border-radius:16px;padding:14px 10px}
.exp small{display:block;font-size:12.5px;color:var(--mut);margin-bottom:10px}
.exp>div{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.exp button{font:inherit;font-size:13px;font-weight:600;color:var(--stone);background:var(--field);border:1px solid var(--line2);border-radius:12px;padding:10px 4px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px}
.exp button:hover{border-color:var(--acc);color:var(--acc)}
.exp em{display:block;font-style:normal;font-size:12.5px;color:var(--acc);margin-top:10px}
.axes{display:grid;grid-template-columns:1fr 1fr;gap:10px;text-align:start}
.axes>div{border:1px solid var(--line);border-radius:14px;padding:12px;background:var(--field)}
.axes b{display:block;font-size:14px;color:var(--acc);margin-bottom:4px}
.axes p{font-size:13px;line-height:1.8}.axes p span{color:var(--mut)}
.sepbox{max-width:640px;margin:18px auto 0;border:1px solid var(--line2);border-radius:16px;padding:12px 16px;font-size:13px;line-height:1.9;color:var(--mut);position:relative}
.sepbox b{color:var(--stone);font-weight:600}
@media(max-width:640px){.axes{grid-template-columns:1fr}}
[hidden]{display:none!important}
@media(max-width:640px){
  .grid2,.cols,.cols3,.race,.parts{grid-template-columns:1fr}
  .ag{padding:12px 8px}.ag b{font-size:14px}.ag span:not(.av){font-size:12px;line-height:1.7}.ag .av{width:40px;height:40px}
  .parts{grid-template-columns:1fr 1fr}
  .kp{grid-template-columns:1fr}
  nav b{font-size:12.5px}
  .m{max-width:92%}
  .btn{width:100%}
  .btn.sm,.send .btn,nav .btn{width:auto}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}