:root{color-scheme:dark;--bg:#050505;--card:#111111;--line:#252525;--tx:#ffffff;--mu:#9a9a9a;--hi:#1a1a1a;
--d:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;--b:"Instrument Sans","Helvetica Neue",Arial,sans-serif;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{scroll-padding-top:env(safe-area-inset-top,0px);height:100%}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--tx);font:400 15px/1.55 var(--b);min-height:100%}
button{font:inherit;color:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid #fff;outline-offset:2px}
svg.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.side{position:fixed;inset:0 auto 0 0;width:248px;background:var(--bg);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:20px 14px;overflow-y:auto;z-index:30;transition:transform .25s}
.logo{font:700 19px var(--d);letter-spacing:.04em;padding:4px 10px 18px}
.logo span{color:var(--mu);font-weight:500}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a,.nav button{display:flex;gap:12px;align-items:center;padding:9px 10px;border-radius:10px;color:var(--mu);background:none;border:0;text-align:left;width:100%;transition:background .15s,color .15s}
.nav a:hover,.nav button:hover{background:var(--hi);color:var(--tx)}
.nav a.on{background:var(--hi);color:var(--tx)}
.nav hr{border:0;border-top:1px solid var(--line);margin:10px 0;width:100%}
.up{margin:14px 0 0;background:var(--tx)!important;color:#000!important;font-weight:600;justify-content:center}
.main{margin-left:248px;min-height:100vh}
.top{position:sticky;top:0;z-index:20;display:flex;gap:12px;align-items:center;padding:14px 32px;background:rgba(5,5,5,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top::before{content:""}
.menu{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px}
.search{flex:1;min-width:0;display:flex;gap:10px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 14px;max-width:560px;color:var(--mu)}
.search input{flex:1;background:none;border:0;color:var(--tx);padding:11px 0;font:inherit;min-width:0}
.search input:focus{outline:0}
.search:focus-within{border-color:#555}
.sp{flex:1}
.btn{border-radius:10px;padding:9px 16px;border:1px solid var(--line);background:var(--card);font-weight:500;transition:background .15s,border-color .15s}
.btn:hover{border-color:#555}
.btn.w{background:var(--tx);color:#000;border-color:var(--tx);font-weight:600}
.btn.w:hover{background:#d8d8d8}
.btn.ic{padding:9px;display:grid;place-items:center}
.wrap{padding:0 32px 40px;max-width:1180px}
.hero{padding:72px 0 44px}
h1{font:700 clamp(38px,6.4vw,76px)/1.02 var(--d);letter-spacing:-.03em;margin:0 0 14px;max-width:11em}
.sub{color:var(--mu);font-size:18px;margin:0 0 6px}
.tag{color:var(--mu);margin:0 0 28px}
.prompt{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px;max-width:760px;transition:border-color .2s}
.prompt:focus-within{border-color:#666}
.prompt textarea{width:100%;min-height:76px;resize:vertical;background:none;border:0;color:var(--tx);font:inherit;font-size:16px}
.prompt textarea:focus{outline:0}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.chip{border:1px solid var(--line);background:none;border-radius:99px;padding:6px 13px;color:var(--mu);font-size:13px}
.chip:hover,.chip.on{color:#000;background:var(--tx)}
.msg{margin-top:12px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--mu);font-size:14px;display:none}
.msg.s{display:block}
h2{font:700 26px var(--d);letter-spacing:-.01em;margin:56px 0 6px}
.lead{color:var(--mu);margin:0 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;text-align:left;transition:border-color .2s,transform .2s;display:block;width:100%}
button.card:hover,a.card:hover{border-color:#5a5a5a;transform:translateY(-2px)}
.card h3{font:600 16px var(--d);margin:12px 0 4px}
.card p{margin:0;color:var(--mu);font-size:14px}
.badge{display:inline-block;margin-top:12px;border:1px solid var(--line);border-radius:99px;padding:2px 10px;font-size:12px;color:var(--mu)}
.empty{border:1px dashed #3a3a3a;border-radius:16px;padding:28px;color:var(--mu);text-align:center}
.empty b{display:block;color:var(--tx);font:600 17px var(--d);margin-bottom:4px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;max-width:760px}
.plans ul{padding:0;margin:14px 0 18px;list-style:none;color:var(--mu);font-size:14px;display:grid;gap:7px}
.plans li{display:flex;gap:8px}
.plans li::before{content:"–";color:#666}
.price{font:700 30px var(--d)}
.foot{border-top:1px solid var(--line);margin-top:70px;padding:30px 0 0;display:flex;gap:30px;flex-wrap:wrap;justify-content:space-between;color:var(--mu);font-size:14px}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}
.foot a:hover{color:var(--tx)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.75);display:none;place-items:center;z-index:50;padding:20px}
.modal.s{display:grid}
.box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;max-width:420px;width:100%}
.box h3{font:700 22px var(--d);margin:0 0 8px}
.box p{color:var(--mu);margin:0 0 18px}
.ml{text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere;color:var(--tx)}
.doc{max-width:680px}.doc h2{font-size:20px;margin:30px 0 6px}.doc p{color:var(--mu);margin:0 0 10px}
.ph{padding:56px 0}
.ph h1{font-size:clamp(32px,5vw,52px)}
.scrim{display:none}
@media(max-width:860px){
.side{transform:translateX(-100%)}
.side.o{transform:none}
.scrim.o{display:block;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:25}
.main{margin-left:0}
.menu{display:grid}
.top,.wrap{padding-left:16px;padding-right:16px}
.hero{padding-top:40px}
.hide-s{display:none}
}
/* Phones: the top bar must never be wider than the screen (it caused sideways scrolling). */
@media(max-width:600px){.top{gap:6px;padding-left:10px;padding-right:10px}.top .btn{padding:8px 10px}.search{padding:0 8px;gap:6px}.search .i{display:none}.langsel{max-width:78px;padding:8px 6px}.sp{display:none}#authArea{flex-shrink:0;flex-wrap:nowrap}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* ---- authentication ---- */
.box{position:relative;max-height:calc(100vh - 40px);overflow-y:auto}
.x{position:absolute;top:10px;right:12px;background:none;border:0;color:var(--mu);font-size:26px;line-height:1;padding:4px 8px}
.x:hover{color:var(--tx)}
.fld{margin:0 0 12px;text-align:left}
.fld label{display:block;font-size:13px;color:var(--mu);margin-bottom:5px}
.fld input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--tx);padding:11px 12px;font:inherit;font-size:16px}
.fld input:focus{outline:0;border-color:#777}
.ro{padding:6px 0;color:var(--tx);overflow-wrap:anywhere}
.full{width:100%;margin-top:4px}
.btn:disabled{opacity:.55;cursor:default}
.gbtn{width:100%;display:flex;gap:10px;align-items:center;justify-content:center}
.or{display:flex;align-items:center;gap:12px;color:var(--mu);font-size:13px;margin:14px 0}
.or::before,.or::after{content:"";flex:1;border-top:1px solid var(--line)}
.fmsg{font-size:14px;margin:0 0 10px;min-height:0}
.fmsg:empty{display:none}
.fmsg.err{color:#fff;border:1px solid #6a6a6a;border-radius:10px;padding:9px 12px;background:var(--hi)}
.fmsg.ok{color:var(--tx);border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.lnk{background:none;border:0;padding:0;color:var(--tx);text-decoration:underline;text-underline-offset:3px}
.alt{margin:12px 0 0;color:var(--mu);font-size:14px;text-align:center}
.box p.alt{margin:12px 0 0}
.me{display:flex;align-items:center;gap:8px;padding:5px 12px 5px 6px}
.av,.avbig{display:inline-grid;place-items:center;border-radius:50%;background:var(--tx);color:#000;font-weight:700;object-fit:cover;flex:none}
.av{width:28px;height:28px;font-size:13px}
.avbig{width:64px;height:64px;font-size:24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.fm{margin:0}
#toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);background:var(--tx);color:#000;border-radius:12px;padding:11px 18px;font-weight:500;max-width:calc(100vw - 32px);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:60}
#toast.s{opacity:1;transform:translate(-50%,0)}
/* ---- AI chat ---- */
.chat{display:grid;grid-template-columns:260px 1fr;gap:14px;margin-top:20px;max-width:1100px}
.clist{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:10px;max-height:72vh}
.cfind{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;color:var(--tx);padding:9px 11px;font:inherit;font-size:14px}
.cfind:focus{outline:0;border-color:#777}
#cList{list-style:none;margin:0;padding:0;overflow-y:auto;display:flex;flex-direction:column;gap:2px}
#cList li{display:flex;gap:6px;align-items:center;border-radius:10px;padding:2px 6px 2px 0}
#cList li.on,#cList li:hover{background:var(--hi)}
#cList .ctitle{flex:1;min-width:0;text-align:left;background:none;border:0;padding:8px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--tx)}
#cList .lnk{font-size:12px;color:var(--mu)}
.cnone{color:var(--mu);font-size:14px;padding:8px 10px}
.cmain{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;flex-direction:column;min-width:0}
.cmsgs{height:52vh;min-height:280px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:4px}
.cempty{margin:auto;text-align:center;color:var(--mu);max-width:340px}
.cempty b{display:block;color:var(--tx);font:600 20px var(--d);margin-bottom:6px}
.cm{max-width:88%;border-radius:14px;padding:10px 14px;overflow-wrap:anywhere}
.cm.user{align-self:flex-end;background:var(--tx);color:#000}
.cm.assistant{align-self:flex-start;background:var(--hi);border:1px solid var(--line)}
.cm.typing{color:var(--mu)}
.ptxt{white-space:pre-wrap}
.cm pre{margin:8px 0;background:var(--bg);color:var(--tx);border:1px solid var(--line);border-radius:10px;padding:10px;overflow-x:auto;font-size:13px}
.cact{display:flex;gap:14px;margin-top:6px}
.cact .lnk,.csrc a{font-size:13px;color:var(--mu)}
.csrc{margin-top:8px;font-size:13px;color:var(--mu)}
.cbar{margin-top:10px;border:1px solid var(--line);border-radius:14px;padding:10px;background:var(--bg)}
.cbar:focus-within{border-color:#666}
.cbar textarea{width:100%;background:none;border:0;color:var(--tx);font:inherit;font-size:16px;resize:none}
.cbar textarea:focus{outline:0}
.cctl{margin-top:6px}
.cctl select{background:var(--card);color:var(--tx);border:1px solid var(--line);border-radius:10px;padding:7px 10px;font:inherit;font-size:14px}
.cchk{font-size:14px;color:var(--mu);display:flex;gap:6px;align-items:center}
.cuse{font-size:13px;color:var(--mu)}
.cnote{margin:10px 2px 0;font-size:12px;color:var(--mu)}
@media(max-width:860px){.chat{grid-template-columns:1fr}.clist{max-height:240px}.cm{max-width:96%}.cmsgs{height:46vh}}

/* ---- v4: centered hero, banners, tables, owner, gallery, RTL ---- */
.heroc{text-align:center;display:flex;flex-direction:column;align-items:center}
.heroc h1{margin-left:auto;margin-right:auto}
.heroc .prompt{width:100%;text-align:left}
.herologo{font:700 15px var(--d);letter-spacing:.14em;color:var(--mu);margin-bottom:22px}
.herologo span{font-weight:500}
.banner{background:var(--tx);color:#000;text-align:center;padding:8px 16px;font-size:14px;font-weight:500}
.langsel{padding:8px 10px;max-width:130px;font-size:14px;appearance:auto}
.wide{max-width:1000px}
.tw{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:start;white-space:nowrap}
.tbl th{color:var(--mu);font-weight:500}
.orow{padding:8px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.orow:last-child{border-bottom:0}
.oout{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px;margin-top:12px;min-height:40px;white-space:pre-wrap;overflow-x:auto}
.dlist{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.owner .fld input[type=number],.owner .fld input[type=text]{max-width:220px}
.owner .fld{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.owner .fld label{min-width:230px;margin:0}
.gimg{width:100%;max-width:100%;border-radius:12px;border:1px solid var(--line);display:block;margin:8px 0}
.gimg.big{max-width:560px}
.post{margin-bottom:12px}
.cbox{margin-top:10px;border-top:1px solid var(--line);padding-top:10px}
.hint{font-size:12px;color:var(--mu);margin:-6px 0 12px;text-align:start}
[dir=rtl] .side{inset:0 0 0 auto;border-right:0;border-left:1px solid var(--line)}
[dir=rtl] .main{margin-left:0;margin-right:248px}
[dir=rtl] .nav a,[dir=rtl] .nav button,[dir=rtl] .fld,[dir=rtl] .box,[dir=rtl] .card{text-align:right}
[dir=rtl] .x{right:auto;left:12px}
[dir=rtl] .cm.user{align-self:flex-start}[dir=rtl] .cm.assistant{align-self:flex-end}
@media(max-width:860px){[dir=rtl] .side{transform:translateX(100%)}[dir=rtl] .side.o{transform:none}[dir=rtl] .main{margin-right:0}.langsel{max-width:96px}.owner .fld label{min-width:0}}