:root{--p:#6c4aff;--p2:#8b5cf6;--coral:#ff5a45;--green:#16a36a;--ink:#17181d;--muted:#6f7580;--bg:#f7f7f4;--line:#e6e7eb}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}
.wrap{max-width:1120px;margin:auto;padding:24px}.top{background:#11141b;color:white}.top .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}.brand{font-size:25px;font-weight:900}.brand span{color:#8b5cf6}.nav{display:flex;gap:14px;align-items:center}.nav a{color:#d8dce5;font-size:14px}
.btn{border:0;border-radius:13px;padding:11px 15px;font-weight:800;cursor:pointer;display:inline-block}.primary{background:var(--p);color:#fff}.coral{background:var(--coral);color:#fff}.ghost{background:white;border:1px solid var(--line)}.green{color:var(--green)}
.hero{padding:52px 0}.hero h1{font-size:42px;max-width:750px;margin:8px 0}.muted{color:var(--muted)}.badge{display:inline-block;background:#efebff;color:var(--p);font-weight:800;font-size:11px;padding:6px 9px;border-radius:999px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card,.box{background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden}.card img{width:100%;height:310px;object-fit:cover;background:#ddd}.body{padding:15px}.card h3{margin:9px 0}.price{font-size:20px;font-weight:900}
.form{max-width:680px;margin:28px auto;background:white;padding:24px;border:1px solid var(--line);border-radius:20px}.form h1{margin-top:0}label{font-weight:750;font-size:13px;display:block;margin:14px 0 6px}input,textarea{width:100%;padding:12px;border-radius:11px;border:1px solid #d9dce2;font:inherit}textarea{min-height:110px;resize:vertical}.notice{padding:12px;border-radius:12px;margin:12px 0;background:#eefaf5;color:#116b49}.error{background:#fff0f1;color:#9f2633}
.dash{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 60px)}.side{background:#151821;color:#fff;padding:22px 14px}.side a{display:block;padding:11px;border-radius:10px;color:#cfd4df}.side a:hover{background:var(--p);color:white}.main{padding:26px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stat{background:white;border:1px solid var(--line);border-radius:16px;padding:18px}.stat b{font-size:26px}.table{width:100%;border-collapse:collapse;background:white;border-radius:14px;overflow:hidden}.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid #eceef2;font-size:14px}
.feed{background:#090b10;color:#fff}.feed .top{position:sticky;top:0;z-index:5}.feedgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feedcard{position:relative;min-height:560px;background:#20232b;border-radius:20px;overflow:hidden}.feedcard img{position:absolute;width:100%;height:100%;object-fit:cover;filter:brightness(.72)}.shade{position:absolute;inset:0;background:linear-gradient(transparent 35%,rgba(0,0,0,.85))}.fi{position:absolute;left:18px;right:18px;bottom:20px}.fi h2{margin:10px 0}.fi .price{color:white}.fi .seller{font-weight:800}.ai-preview{background:#f4f0ff;border:1px solid #e7defe;border-radius:15px;padding:15px;margin:14px 0}
@media(max-width:780px){.grid,.feedgrid{grid-template-columns:1fr}.card img{height:360px}.hero h1{font-size:32px}.nav a:not(.btn){display:none}.dash{display:block}.side{display:none}.stats{grid-template-columns:1fr}.main{padding:15px}.wrap{padding:16px}.feedcard{min-height:78vh}}
/* RUBO V4 MOBILE COMMERCE EXPERIENCE */
.v4-body{background:#05070b;color:#fff;overflow:hidden}
.v4-top{position:fixed;z-index:80;top:0;left:0;right:0;height:58px;display:flex;align-items:center;justify-content:center;padding:0 14px;background:linear-gradient(180deg,rgba(4,5,8,.8),transparent)}
.v4-tabs{display:flex;gap:18px;font-size:14px;font-weight:800}.v4-tabs a{color:#aeb3bd}.v4-tabs .active{color:#fff}
.v4-feed{height:100vh;overflow-y:auto;scroll-snap-type:y mandatory;background:#05070b}
.v4-card{height:100vh;scroll-snap-align:start;position:relative;overflow:hidden}
.v4-card img,.v4-card video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#191c23}
.v4-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05) 20%,rgba(0,0,0,.12) 46%,rgba(0,0,0,.88) 94%)}
.v4-info{position:absolute;z-index:10;left:16px;right:75px;bottom:105px}.v4-info h2{font-size:21px;margin:10px 0 5px}.v4-seller{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:850}.v4-avatar{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#6c4aff,#ff5a45)}
.v4-desc{font-size:13px;color:#d4d7df;line-height:1.35}.v4-price{font-size:24px;font-weight:950;margin-top:10px}.v4-point{color:#48dfa0;font-size:13px;font-weight:850;margin-left:8px}
.v4-actions{display:flex;gap:8px;margin-top:12px}.v4-actions .btn{padding:11px 13px}
.v4-rail{position:absolute;z-index:12;right:11px;bottom:132px;display:flex;flex-direction:column;gap:12px}.v4-rb{width:47px;height:47px;border-radius:50%;display:grid;place-items:center;background:rgba(5,6,9,.45);border:1px solid rgba(255,255,255,.18);font-size:20px}
.v4-bottom{position:fixed;z-index:85;left:50%;bottom:8px;transform:translateX(-50%);width:min(540px,96%);height:63px;border-radius:21px;background:rgba(13,15,21,.9);backdrop-filter:blur(18px);display:grid;grid-template-columns:repeat(5,1fr);align-items:center;text-align:center;border:1px solid rgba(255,255,255,.11);font-size:10px}.v4-bottom a{color:#d3d7df}.v4-bottom .sel{color:#fff;font-weight:850}
.v4-ai-fab{margin:auto;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#6c4aff,#8b5cf6);box-shadow:0 8px 28px rgba(108,74,255,.5);font-size:20px}
.ai-sheet{position:fixed;z-index:120;left:50%;bottom:-100%;transform:translateX(-50%);width:min(760px,100%);max-height:86vh;background:#fbfbfa;color:#17181d;border-radius:26px 26px 0 0;box-shadow:0 -20px 80px rgba(0,0,0,.4);transition:.28s ease;overflow:hidden}.ai-sheet.open{bottom:0}.ai-head{display:flex;align-items:center;justify-content:space-between;padding:16px 17px;border-bottom:1px solid #e7e8ec}.ai-title{display:flex;align-items:center;gap:10px;font-weight:900}.ai-bubble{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#efeaff;color:#6c4aff}
.ai-chat{padding:14px;overflow-y:auto;max-height:58vh}.ai-msg{max-width:88%;padding:11px 13px;border-radius:15px;margin:8px 0;font-size:14px;line-height:1.4}.ai-user{margin-left:auto;background:#6c4aff;color:#fff}.ai-bot{background:#f1f2f5;color:#202229}
.ai-results{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}.ai-prod{background:#fff;border:1px solid #e4e6eb;border-radius:15px;overflow:hidden}.ai-prod img{width:100%;height:145px;object-fit:cover;background:#eee}.ai-prod .apb{padding:10px}.ai-prod h4{margin:4px 0;font-size:13px}.ai-prod .aprice{font-weight:900}
.ai-input{padding:12px;border-top:1px solid #e7e8ec;display:flex;gap:8px;background:#fff}.ai-input input{margin:0;flex:1}.ai-input button{white-space:nowrap}
.ai-quick{display:flex;gap:7px;overflow-x:auto;padding:0 14px 10px}.ai-quick button{white-space:nowrap;border:1px solid #ddd;background:#fff;border-radius:999px;padding:8px 10px;font-size:12px}
.ai-mask{display:none;position:fixed;z-index:110;inset:0;background:rgba(0,0,0,.46)}.ai-mask.open{display:block}
@media(min-width:900px){
 .v4-feed{max-width:520px;margin:auto;border-left:1px solid #222;border-right:1px solid #222}
 .v4-card{max-width:520px;margin:auto}
 .v4-top{max-width:520px;left:50%;transform:translateX(-50%)}
 .v4-bottom{max-width:500px}
 .ai-results{grid-template-columns:repeat(3,1fr)}
}