:root{
  --bg:#eaf3ff;
  --bg2:#f7fbff;
  --text:#10203a;
  --muted:#6d7e98;
  --line:rgba(255,255,255,.66);
  --blue:#1677ff;
  --blue2:#4da0ff;
  --shadow:0 18px 55px rgba(39,94,159,.14);
  --glass:rgba(255,255,255,.58);
  --glass-strong:rgba(255,255,255,.78);
  --danger:#ef4444;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:Tahoma,Vazirmatn,Arial,sans-serif;color:var(--text);
  background:
    radial-gradient(circle at 8% 12%,rgba(79,154,255,.22),transparent 32%),
    radial-gradient(circle at 92% 18%,rgba(127,200,255,.20),transparent 28%),
    linear-gradient(135deg,var(--bg),var(--bg2));
  min-height:100vh;
}
body:before,body:after{content:"";position:fixed;z-index:-1;border-radius:999px;filter:blur(5px);pointer-events:none}
body:before{width:260px;height:260px;background:rgba(21,119,255,.10);left:-80px;top:45%}
body:after{width:300px;height:300px;background:rgba(83,182,255,.10);right:-100px;bottom:5%}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 32px));margin:auto}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
}
.topbar{position:sticky;top:14px;z-index:50;margin:14px auto 0;width:min(1240px,calc(100% - 24px));border-radius:24px}
.nav{min-height:76px;display:flex;align-items:center;gap:18px;padding:12px 18px}
.brand{display:flex;align-items:center;gap:10px;min-width:210px}
.brand-mark{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;font-size:21px;font-weight:900;color:white;background:linear-gradient(135deg,#1374ff,#67c4ff);box-shadow:0 10px 25px rgba(22,119,255,.28)}
.brand b{display:block;font-size:17px}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.navlinks{display:flex;gap:8px;flex:1;justify-content:center;flex-wrap:wrap}
.navlinks a{padding:9px 11px;border-radius:13px;color:#365172;font-size:13px}
.navlinks a:hover{background:rgba(255,255,255,.55);color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:8px;justify-content:flex-end}
.user-chip{padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.6);font-size:12px;color:#365172;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn{border:0;border-radius:14px;padding:11px 16px;transition:.2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn:hover{transform:translateY(-1px)}
.btn-primary{color:white;background:linear-gradient(135deg,var(--blue),#56a7ff);box-shadow:0 12px 28px rgba(22,119,255,.23)}
.btn-light{background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.85);color:#315072}
.btn-danger{background:#fff0f0;color:#cf3030;border:1px solid #ffd1d1}
.btn-success{background:#e8fff1;color:#168243;border:1px solid #c5f2d7}
.btn-small{padding:8px 11px;border-radius:11px;font-size:12px}
.icon-btn{border:1px solid rgba(255,255,255,.76);background:rgba(255,255,255,.55);border-radius:13px;padding:9px 12px;color:#47607d}
.hero{padding:62px 0 24px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:center}
.hero-copy h1{font-size:clamp(34px,5vw,56px);line-height:1.15;margin:0 0 16px}
.hero-copy h1 span{color:var(--blue)}
.hero-copy p{font-size:16px;color:var(--muted);line-height:2;max-width:650px}
.hero-card{border-radius:28px;padding:24px;position:relative;overflow:hidden}
.hero-card:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(77,160,255,.18);left:-35px;bottom:-65px;filter:blur(2px)}
.searchbar{display:grid;grid-template-columns:1.5fr .9fr .9fr auto;gap:10px;padding:14px;border-radius:20px;margin-top:18px}
.input,.select,.textarea{width:100%;border:1px solid rgba(169,194,223,.52);background:rgba(255,255,255,.67);padding:12px 13px;border-radius:13px;outline:none;color:var(--text)}
.input:focus,.select:focus,.textarea:focus{border-color:rgba(22,119,255,.55);box-shadow:0 0 0 4px rgba(22,119,255,.09)}
.textarea{min-height:150px;resize:vertical}
.section{padding:26px 0}
.section-title{display:flex;align-items:end;justify-content:space-between;gap:10px;margin-bottom:14px}
.section-title h2{margin:0;font-size:22px}.muted{color:var(--muted)}
.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.category{padding:18px;border-radius:20px;text-align:center;cursor:pointer}.category b{display:block;margin-top:8px}.category span{font-size:24px}
.ads-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ad-card{border-radius:22px;overflow:hidden;min-width:0}
.ad-image{height:190px;position:relative;display:block;background:rgba(223,237,252,.55)}
.ad-image img{width:100%;height:100%;object-fit:cover}
.no-image{height:100%;display:grid;place-items:center;color:#8ca0bb}
.heart{position:absolute;top:10px;left:10px;width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.75);backdrop-filter:blur(10px);font-size:19px;color:#617a98}
.heart.active{color:#f04464}
.ad-body{padding:14px}.ad-category{font-size:11px;color:var(--blue);margin-bottom:6px}.ad-title{display:block;font-weight:800;line-height:1.65;min-height:45px}.ad-price{font-weight:900;font-size:16px;margin:8px 0}.ad-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}
.page{padding:34px 0 70px}.page-head{margin-bottom:18px}.page-head h1{margin:0 0 7px}
.panel{border-radius:24px;padding:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.full{grid-column:1/-1}
.label{display:block;font-size:12px;font-weight:800;margin:0 0 7px}.help{font-size:11px;color:var(--muted);line-height:1.8}
.file-box{padding:20px;border:1px dashed rgba(76,131,191,.35);border-radius:18px;background:rgba(255,255,255,.45)}
.file-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:12px}.file-thumb{height:90px;border-radius:13px;overflow:hidden}.file-thumb img{width:100%;height:100%;object-fit:cover}
.detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.gallery,.detail-card{border-radius:24px;padding:16px}.main-img{width:100%;height:480px;object-fit:contain;border-radius:18px;background:rgba(222,237,252,.48)}.thumbs{display:flex;gap:8px;overflow:auto;margin-top:9px}.thumbs img{width:74px;height:60px;border-radius:10px;object-fit:cover;cursor:pointer;border:2px solid transparent}.thumbs img.active{border-color:var(--blue)}
.detail-card h1{margin-top:0}.big-price{font-size:25px;font-weight:900;margin:15px 0}.info-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid rgba(145,170,198,.18);font-size:13px}.action-stack{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.ai-box{margin-top:16px;padding:16px;border-radius:19px;background:linear-gradient(180deg,rgba(224,241,255,.76),rgba(255,255,255,.46));border:1px solid rgba(102,168,226,.25)}
.ai-log{height:230px;overflow:auto;border-radius:14px;padding:10px;background:rgba(255,255,255,.64);border:1px solid rgba(180,205,230,.35);margin:10px 0}
.msg{padding:9px 12px;border-radius:13px;background:#eaf4ff;margin:7px 0;line-height:1.8;font-size:13px}.msg.me{background:#eef8f1}
.messages{display:grid;grid-template-columns:320px 1fr;min-height:620px;overflow:hidden;padding:0}.chat-list{border-left:1px solid rgba(140,167,198,.20);overflow:auto}.chat-item{padding:15px;border-bottom:1px solid rgba(140,167,198,.18);cursor:pointer}.chat-item:hover,.chat-item.active{background:rgba(255,255,255,.48)}.chat-main{display:flex;flex-direction:column;min-height:620px}.chat-head{padding:16px;border-bottom:1px solid rgba(140,167,198,.18)}.chat-messages{flex:1;padding:16px;overflow:auto;background:rgba(245,251,255,.25)}.bubble{max-width:76%;padding:10px 13px;border-radius:15px;margin:8px 0;background:rgba(255,255,255,.68);line-height:1.75;font-size:13px}.bubble.mine{margin-right:auto;background:linear-gradient(135deg,#e0f0ff,#f3f9ff)}.chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid rgba(140,167,198,.18)}
.wallet-top{display:grid;grid-template-columns:.8fr 1.2fr;gap:14px}.balance{font-size:33px;font-weight:900;margin:8px 0}.card-info{display:flex;flex-direction:column;justify-content:center}.card-num{font-size:22px;font-weight:900;letter-spacing:1px;margin:8px 0}.notice{padding:13px;border-radius:15px;background:rgba(255,255,255,.55);border:1px solid rgba(150,180,212,.22)}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;font-size:12px}.table th,.table td{padding:11px;border-bottom:1px solid rgba(140,167,198,.18);text-align:right;white-space:nowrap}.status{padding:5px 9px;border-radius:999px;font-size:11px;background:#eff4f9}.pending{background:#fff5d8}.approved{background:#e8fff2}.rejected{background:#ffeded}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{padding:16px;border-radius:20px}.stat small{color:var(--muted)}.stat b{display:block;font-size:28px;margin-top:7px}
.admin-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.empty{padding:40px;text-align:center;color:var(--muted)}
.login-wrap{min-height:76vh;display:grid;place-items:center;padding:30px}.login-card{width:min(460px,100%);padding:28px;border-radius:30px;text-align:center}.google-btn{width:100%;padding:15px;border:0;border-radius:16px;background:#fff;color:#283c55;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 10px 25px rgba(45,87,130,.10);font-weight:800}.google-icon{width:22px;height:22px}
.footer{text-align:center;color:var(--muted);padding:40px 0}
.toast{position:fixed;right:20px;bottom:20px;z-index:100;padding:12px 15px;border-radius:14px;background:rgba(14,29,49,.9);color:#fff;opacity:0;transform:translateY(10px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:980px){.navlinks{display:none}.hero-grid,.detail-grid,.wallet-top{grid-template-columns:1fr}.ads-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.searchbar{grid-template-columns:1fr 1fr}.stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.nav{flex-wrap:wrap}.nav-actions{margin-right:auto}.hero{padding-top:35px}.ads-grid{grid-template-columns:repeat(2,1fr)}.form-grid,.admin-grid{grid-template-columns:1fr}.messages{grid-template-columns:1fr}.chat-list{max-height:280px;border-left:0;border-bottom:1px solid rgba(140,167,198,.20)}.file-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:480px){.container{width:min(100% - 20px,1180px)}.nav{padding:10px}.brand{min-width:0}.nav-actions .btn-primary:first-of-type{display:none}.hero-copy h1{font-size:35px}.searchbar{grid-template-columns:1fr}.ads-grid{grid-template-columns:1fr}.category-grid{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:1fr}.main-img{height:320px}.card-num{font-size:18px}}