*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f5f7fb;color:#1d2939}a{text-decoration:none;color:#0f5bd8}.container{width:min(1180px,92%);margin:0 auto}.site-header{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:20}.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 0}.nav nav a{margin-left:14px;color:#334155}.logo{font-weight:700;font-size:22px;color:#111827}.hero{padding:48px 0}.hero h1{font-size:42px;margin-bottom:10px}.search-bar{display:grid;grid-template-columns:2fr 1fr auto;gap:12px;background:#fff;padding:16px;border-radius:14px;box-shadow:0 8px 30px rgba(15,23,42,.06)}input,select,textarea,button{width:100%;padding:12px 14px;border:1px solid #d0d5dd;border-radius:10px;background:#fff}button,.btn{background:#0f5bd8;color:#fff;border:none;cursor:pointer;display:inline-block;padding:11px 16px}.btn-secondary{background:#475467}.btn-danger{background:#b42318}.btn-small{padding:8px 12px;font-size:13px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin:18px 0 28px}.card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.06)}.card img{width:100%;height:200px;object-fit:cover;background:#e5e7eb}.card-body{padding:16px}.price{font-size:22px;font-weight:700}.big{font-size:32px;margin:14px 0}.layout-grid{display:grid;grid-template-columns:280px 1fr;gap:20px}.sidebar,.detail-box,.auth-box,.form-page,.stat,.empty-state{background:#fff;border-radius:16px;padding:18px;box-shadow:0 8px 24px rgba(15,23,42,.06)}.page-head,.dashboard-head{padding:18px 0}.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.gallery img{width:100%;border-radius:12px;height:220px;object-fit:cover}.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px;padding:20px 0}.specs{list-style:none;padding:0;margin:0}.specs li{padding:8px 0;border-bottom:1px solid #eee}.alert{padding:12px 14px;border-radius:10px;margin-top:16px}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:12px;border-bottom:1px solid #eee;text-align:left;vertical-align:middle}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat strong{display:block;font-size:28px}.site-footer{padding:40px 0;margin-top:30px;background:#111827;color:#e5e7eb}.site-footer a{color:#cbd5e1}.footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.form-grid{display:grid;gap:16px}.form-row{display:grid;gap:14px}.two-col{grid-template-columns:repeat(2,1fr)}.three-col{grid-template-columns:repeat(3,1fr)}.four-col{grid-template-columns:repeat(4,1fr)}.one-col{grid-template-columns:1fr}.form-actions{display:flex;gap:10px;flex-wrap:wrap}.check-group{display:flex;align-items:center}.check-group label{display:flex;align-items:center;gap:8px;margin-top:34px}.check-group input{width:auto}.listing-form label{display:block;margin-bottom:8px;font-weight:600}.existing-images{margin-top:10px}.image-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}.image-card{display:flex;flex-direction:column;gap:8px;padding:10px;border:1px solid #e4e7ec;border-radius:12px;background:#fafafa}.image-card img{width:100%;height:120px;object-fit:cover;border-radius:10px}.image-card input{width:auto}.p{padding:18px}.auth-box{max-width:460px;margin:30px auto}.empty-state{text-align:center}.seller-box{margin-top:18px;padding-top:12px;border-top:1px solid #eee}.sidebar .btn{margin-top:12px}.table form{margin:0}@media(max-width:768px){.search-bar,.layout-grid,.detail-grid,.stats-grid,.footer-grid,.two-col,.three-col,.four-col{grid-template-columns:1fr}.hero h1{font-size:30px}.nav{flex-direction:column;gap:10px;align-items:flex-start}.nav nav a{margin-left:0;margin-right:12px}}

.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.stack{display:grid;gap:24px}.stack-form{display:grid;gap:10px;margin-top:10px}.seller-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.inline-form{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap}.inline-form textarea{flex:1}.inline-form.compact input{min-width:140px}.offer-actions{display:grid;gap:8px}.chat-box{display:grid;gap:12px;background:#fff;padding:18px;border-radius:16px;box-shadow:0 8px 24px rgba(15,23,42,.06)}.chat-message{display:grid}.chat-message.mine{justify-items:end}.bubble{max-width:min(100%,580px);background:#eef4ff;padding:12px 14px;border-radius:14px}.chat-message.mine .bubble{background:#dbeafe}.mt-2{margin-top:16px}
.stack-sm{display:grid;gap:10px}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.gallery-image{width:100%;height:220px;object-fit:cover;border-radius:14px;background:#e5e7eb}.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:16px}.spec-grid div{padding:12px;border:1px solid #e5e7eb;border-radius:12px;background:#fafafa}.spec-grid strong{display:block;color:#475467;margin-bottom:4px}.price-box{font-size:30px;font-weight:700;margin-bottom:10px}.sticky-box{position:sticky;top:90px}

.map-box{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:12px}.map-canvas{height:320px;border-radius:12px;overflow:hidden}.map-embed{width:100%;height:320px;border:0;border-radius:12px}.muted{color:#667085;font-size:14px}.admin-shell{display:grid;grid-template-columns:240px 1fr;gap:20px}.admin-nav{background:#0f172a;color:#fff;padding:18px;border-radius:18px;position:sticky;top:88px;height:fit-content}.admin-nav a{display:block;color:#cbd5e1;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08)}.admin-nav a:last-child{border-bottom:none}.admin-panel{display:grid;gap:20px}.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:700}.table-wrap{overflow:auto}
@media(max-width:768px){.admin-shell{grid-template-columns:1fr}.admin-nav{position:static}}

.chat-image-wrap{margin-top:8px}.chat-image{max-width:min(100%,320px);max-height:280px;border-radius:12px;display:block;border:1px solid #d0d5dd;background:#fff}hr{border:none;border-top:1px solid #e5e7eb;margin:8px 0 4px}
.two-up{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.admin-brand{padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:14px}.admin-brand-title{font-size:20px;font-weight:700}.admin-brand-sub{color:#94a3b8;font-size:13px;margin-top:4px}.admin-menu{display:grid;gap:2px}.admin-meta{margin-top:18px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08);display:grid;gap:4px;color:#cbd5e1}.admin-list{margin:0;padding-left:18px;display:grid;gap:8px}.admin-list.ordered{padding-left:20px}.toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.log-viewer{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:12px;overflow:auto;max-height:540px;line-height:1.5}.badge-success{background:#dcfce7;color:#166534}.badge-danger{background:#fee2e2;color:#991b1b}code{background:#f2f4f7;padding:2px 6px;border-radius:6px}
.plain-list{list-style:none;padding:0;margin:0}.plain-list li{padding:8px 0;border-bottom:1px solid #eee}