:root{--primary:#e63946;--primary-dark:#d62839;--primary-light:#fde8ea;--bg:#f5f7fa;--card:#fff;--text:#1c1c1c;--text-2:#6b7280;--border:#e5e7eb;--green:#0a9d58;--accent:#f77f00;--accent-2:#fcbf49;--blue:#4361ee;--radius:14px;--shadow:0 1px 4px #00000012;--tabbar-h:60px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;font-size:15px}a{color:inherit;text-decoration:none}.app{background:var(--bg);flex-direction:column;max-width:640px;min-height:100vh;margin:0 auto;display:flex}.content{padding-bottom:calc(var(--tabbar-h) + 16px);flex:1}.topbar{z-index:50;background:var(--card);border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:10px 14px;display:flex;position:sticky;top:0}.topbar .logo{letter-spacing:-.5px;background:linear-gradient(135deg, var(--primary), var(--accent));-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text;font-size:22px;font-weight:800}.topbar .logo span{-webkit-text-fill-color:var(--text);color:var(--text)}.topbar .spacer{flex:1}.topbar .icon-btn{width:40px;height:40px;color:var(--text);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:20px;display:flex}.topbar .icon-btn.active{color:var(--primary)}.topbar .lang-select{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;outline:none;padding:6px 8px;font-size:13px}.topbar .topbar-btn{border-radius:10px;flex-shrink:0;width:auto;padding:8px 12px;font-size:13px}.topbar .topbar-btn.secondary{color:var(--text);border:1px solid var(--border);background:#fff}.search-bar{background:var(--card);border-bottom:1px solid var(--border);padding:10px 14px}.search-bar input{border:1px solid var(--border);background:var(--bg);border-radius:24px;outline:none;width:100%;padding:10px 16px;font-size:15px}.search-bar input:focus{border-color:var(--primary);background:#fff}.tabbar{width:100%;max-width:640px;height:var(--tabbar-h);background:var(--card);border-top:1px solid var(--border);z-index:100;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.tabbar a{color:var(--text-2);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:11px;font-weight:500;display:flex}.tabbar a.active{color:var(--primary)}.tabbar a .tab-icon{font-size:22px;line-height:1}.tabbar a.sell-tab{color:var(--primary)}.tabbar a.sell-tab .sell-btn{background:var(--primary);color:#fff;border:3px solid var(--card);border-radius:50%;justify-content:center;align-items:center;width:46px;height:46px;margin-top:-22px;font-size:26px;display:flex;box-shadow:0 4px 12px #ff3d2e66}.cat-row{scrollbar-width:none;gap:8px;padding:12px 14px 4px;display:flex;overflow-x:auto}.cat-row::-webkit-scrollbar{display:none}.cat-chip{background:var(--card);border:1px solid var(--border);width:68px;color:var(--text);border-radius:12px;flex-direction:column;flex-shrink:0;align-items:center;gap:4px;padding:8px 4px;display:flex}.cat-chip .icon{font-size:24px}.cat-chip .label{color:var(--text-2);white-space:nowrap;font-size:11px}.cat-chip.active{border-color:var(--primary);background:#fff5f5}.cat-chip.active .label{color:var(--primary);font-weight:600}.price-suggestion{background:#fff8f0;border:1px solid #fdd9a8;border-radius:12px;margin-top:8px;padding:10px 12px}.price-suggestion .ps-title{color:var(--accent);margin-bottom:4px;font-size:12px;font-weight:700}.price-suggestion .ps-body{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.price-suggestion .ps-value{color:var(--text);font-size:16px;font-weight:800}.price-suggestion .ps-range{color:var(--text-2);font-size:12px}.price-suggestion .ps-apply{background:var(--accent);border:none;margin-left:auto}.price-suggestion .ps-note{color:var(--text-2);margin-top:4px;font-size:11px}.grid{grid-template-columns:repeat(2,1fr);gap:10px;padding:12px 14px;display:grid}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;display:flex;overflow:hidden}.card .thumb{aspect-ratio:1;background:#eee;position:relative}.card .thumb img{object-fit:cover;width:100%;height:100%}.card .thumb .noimg{color:#ccc;justify-content:center;align-items:center;width:100%;height:100%;font-size:40px;display:flex}.card .thumb .fav{color:#999;background:#ffffffe6;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex;position:absolute;top:8px;right:8px}.card .thumb .fav.on{color:var(--primary)}.card .thumb .sold-badge{color:#fff;background:#000000a6;border-radius:6px;padding:3px 8px;font-size:11px;font-weight:600;position:absolute;top:8px;left:8px}.card .info{padding:10px 12px 12px}.card .price{font-size:17px;font-weight:800}.card .title{color:var(--text-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:34px;margin-top:2px;font-size:13px;display:-webkit-box;overflow:hidden}.card .meta{color:#aaa;margin-top:4px;font-size:11px}.card .seller{color:var(--text-2);align-items:center;gap:5px;margin-top:6px;font-size:12px;display:flex}.card .seller .av{background:#ddd;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:10px;display:flex;overflow:hidden}.card .seller .av img{object-fit:cover;width:100%;height:100%}.empty{text-align:center;color:var(--text-2);padding:60px 20px}.empty .big{margin-bottom:10px;font-size:48px}.empty h3{color:var(--text);margin-bottom:6px}.detail-img{aspect-ratio:1;background:#eee;width:100%;position:relative}.detail-img img{object-fit:cover;width:100%;height:100%}.detail-img .count{color:#fff;background:#0009;border-radius:12px;padding:4px 10px;font-size:12px;position:absolute;bottom:12px;right:12px}.detail-body{padding:16px}.detail-price{font-size:28px;font-weight:800}.detail-title{margin-top:4px;font-size:18px;font-weight:600}.detail-meta{color:var(--text-2);flex-wrap:wrap;gap:14px;margin-top:8px;font-size:13px;display:flex}.detail-desc{white-space:pre-wrap;color:#333;margin-top:16px;line-height:1.55}.seller-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;gap:12px;margin-top:16px;padding:12px;display:flex}.seller-card .av{background:#eee;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-weight:700;display:flex;overflow:hidden}.seller-card .av img{object-fit:cover;width:100%;height:100%}.seller-card .name{font-weight:600}.seller-card .loc{color:var(--text-2);font-size:12px}.seller-card .stats{text-align:center;color:var(--text-2);margin-left:auto;font-size:12px}.seller-card .stats b{color:var(--text);font-size:15px;display:block}.btn{background:var(--primary);color:#fff;border:none;border-radius:12px;justify-content:center;align-items:center;gap:6px;width:100%;padding:13px 18px;font-size:15px;font-weight:600;display:inline-flex}.btn:disabled{opacity:.5}.btn.secondary{color:var(--text);border:1px solid var(--border);background:#fff}.btn.green{background:var(--green)}.btn.small{border-radius:10px;width:auto;padding:8px 14px;font-size:13px}.btn.danger{color:#d32f2f;background:#fff;border:1px solid #f3c4c4}.action-row{gap:10px;margin-top:16px;display:flex}.action-row .btn{flex:1}.form-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.field{margin-bottom:14px}.field label{color:var(--text);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.field input,.field textarea,.field select{border:1px solid var(--border);background:var(--bg);border-radius:10px;outline:none;width:100%;padding:12px}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--primary);background:#fff}.field textarea{resize:vertical;min-height:110px}.field .hint{color:var(--text-2);margin-top:4px;font-size:12px}.auth-wrap{padding:40px 20px}.auth-card{background:var(--card);box-shadow:var(--shadow);border-radius:20px;padding:26px 22px}.auth-logo{text-align:center;color:var(--primary);margin-bottom:4px;font-size:32px;font-weight:800}.auth-sub{text-align:center;color:var(--text-2);margin-bottom:22px;font-size:14px}.auth-alt{text-align:center;color:var(--text-2);margin-top:16px;font-size:14px}.auth-alt a{color:var(--primary);font-weight:600}.error-box{color:#c62828;background:#fdecea;border-radius:10px;margin-bottom:12px;padding:10px 12px;font-size:13px}.photo-grid{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.photo-box{aspect-ratio:1;background:#eee;border-radius:10px;position:relative;overflow:hidden}.photo-box img{object-fit:cover;width:100%;height:100%}.photo-box .del{color:#fff;background:#0009;border:none;border-radius:50%;width:22px;height:22px;font-size:12px;line-height:1;position:absolute;top:4px;right:4px}.photo-add{aspect-ratio:1;border:2px dashed var(--border);background:var(--bg);color:var(--text-2);cursor:pointer;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;font-size:24px;display:flex}.photo-add span{margin-top:4px;font-size:11px}.msg-list{flex-direction:column;gap:8px;padding:12px 14px;display:flex}.msg{border-radius:16px;max-width:78%;padding:10px 14px;font-size:14px;line-height:1.4}.msg.me{background:var(--primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.msg.other{background:var(--card);border:1px solid var(--border);border-bottom-left-radius:4px;align-self:flex-start}.msg .t{opacity:.7;margin-top:3px;font-size:10px}.chat-input{background:var(--card);border-top:1px solid var(--border);z-index:100;gap:8px;width:100%;max-width:640px;padding:10px 12px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.chat-input input{border:1px solid var(--border);border-radius:22px;outline:none;flex:1;padding:11px 16px}.chat-input button{background:var(--primary);color:#fff;border:none;border-radius:50%;flex-shrink:0;width:46px;height:46px;font-size:18px}.conv-item{background:var(--card);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:12px 14px;display:flex}.conv-item .av{background:#eee;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-weight:700;display:flex;overflow:hidden}.conv-item .av img{object-fit:cover;width:100%;height:100%}.conv-item .body{flex:1;min-width:0}.conv-item .name{font-size:14px;font-weight:600}.conv-item .preview{color:var(--text-2);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:13px;overflow:hidden}.conv-item .time{color:#aaa;font-size:11px}.conv-item .listing-thumb{object-fit:cover;background:#eee;border-radius:8px;flex-shrink:0;width:52px;height:52px}.section-title{align-items:center;gap:8px;padding:16px 14px 4px;font-size:17px;font-weight:700;display:flex}.section-title a{color:var(--primary);margin-left:auto;font-size:13px;font-weight:500}.profile-head{background:var(--card);align-items:center;gap:14px;padding:20px 14px 12px;display:flex}.profile-head .av{background:#eee;border-radius:50%;justify-content:center;align-items:center;width:68px;height:68px;font-size:26px;font-weight:700;display:flex;overflow:hidden}.profile-head .av img{object-fit:cover;width:100%;height:100%}.profile-head h2{font-size:19px}.profile-head .bio{color:var(--text-2);margin-top:3px;font-size:13px}.pill-tabs{gap:8px;padding:12px 14px 0;display:flex}.pill-tab{background:var(--card);border:1px solid var(--border);color:var(--text-2);border-radius:20px;padding:8px 16px;font-size:13px;font-weight:600}.pill-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}.filter-bar{scrollbar-width:none;gap:8px;padding:10px 14px 0;display:flex;overflow-x:auto}.filter-bar::-webkit-scrollbar{display:none}.filter-chip{background:var(--card);border:1px solid var(--border);color:var(--text-2);border-radius:20px;flex-shrink:0;padding:8px 14px;font-size:13px}.filter-chip.active{background:var(--text);color:#fff;border-color:var(--text)}.loading-more{text-align:center;color:var(--text-2);padding:16px;font-size:13px}.page-loading{color:var(--text-2);justify-content:center;align-items:center;padding:60px;display:flex}.badge{background:var(--primary-light);color:var(--primary);border-radius:8px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.toast{bottom:calc(var(--tabbar-h) + 16px);color:#fff;z-index:200;background:#000c;border-radius:22px;padding:10px 18px;font-size:13px;position:fixed;left:50%;transform:translate(-50%)}.back-btn{color:var(--text);background:0 0;border:none;justify-content:center;align-items:center;width:36px;height:36px;font-size:22px;display:flex}.skeleton{background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%) 0 0/200% 100%;border-radius:8px;animation:1.2s infinite sk}@keyframes sk{0%{background-position:200% 0}to{background-position:-200% 0}}@media (width>=641px){.app{box-shadow:0 0 24px #0000000f}}[dir=rtl] .topbar .logo{letter-spacing:0}[dir=rtl] .back-btn{transform:scaleX(-1)}[dir=rtl] .section-title a{margin-left:0;margin-right:auto}[dir=rtl] .filter-bar,[dir=rtl] .cat-row{direction:rtl}[dir=rtl] .msg.me{align-self:flex-end}[dir=rtl] .msg.other{align-self:flex-start}[dir=rtl] .chat-input,[dir=rtl] .topbar{direction:rtl}[dir=rtl] .seller-card .stats{margin-left:0;margin-right:auto}[dir=rtl] .conv-item .time{text-align:left}