:root{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: #1a1f35;--bg-elevated: #1f2937;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-tertiary: #ec4899;--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);--gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);--gradient-card: linear-gradient(135deg, rgba(99, 102, 241, .1) 0%, rgba(236, 72, 153, .1) 100%);--text-primary: #f9fafb;--text-secondary: #d1d5db;--text-tertiary: #9ca3af;--text-muted: #6b7280;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #3b82f6;--border-color: rgba(255, 255, 255, .1);--divider: rgba(255, 255, 255, .05);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .4);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-primary);color:var(--text-primary);overflow-x:hidden}#root{min-height:100vh;background:var(--bg-primary)}.container{max-width:1200px;margin:0 auto;padding:16px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-top:16px}.product-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:all .3s ease;border:1px solid var(--border-color);position:relative}.product-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--gradient-card);opacity:0;transition:opacity .3s ease;pointer-events:none}.product-card:hover:before{opacity:1}.product-card:active{transform:scale(.98)}.product-image{width:100%;aspect-ratio:1;object-fit:cover;background:var(--bg-secondary)}.product-info{padding:8px 10px;position:relative;z-index:1}.product-title{font-size:13px;font-weight:600;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary);line-height:1.3}.product-price{font-size:16px;font-weight:700;color:#10b981;margin-bottom:2px}.product-seller{font-size:11px;color:var(--text-tertiary);margin-top:4px;display:flex;align-items:center;gap:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn{padding:14px 24px;border:none;border-radius:var(--radius-lg);font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%;position:relative;overflow:hidden;box-shadow:var(--shadow-md)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{box-shadow:0 0 30px #6366f199}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card)}.header{position:sticky;top:0;background:#0a0e1af2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);padding:16px;z-index:100}.header-content{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto}.header-title{font-size:24px;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-actions{display:flex;gap:12px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#0a0e1afa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border-color);display:flex;justify-content:space-around;padding:8px 8px max(12px,env(safe-area-inset-bottom));z-index:100;box-shadow:0 -4px 20px #0000004d}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;cursor:pointer;color:var(--text-tertiary);transition:all .3s ease;text-decoration:none;border-radius:var(--radius-md);position:relative;flex:1;max-width:100px}.nav-item:before{content:"";position:absolute;top:2px;right:2px;bottom:2px;left:2px;background:var(--gradient-card);opacity:0;border-radius:var(--radius-sm);transition:opacity .3s ease}.nav-item.active{color:var(--accent-primary)}.nav-item.active:before{opacity:1}.nav-item svg{position:relative;z-index:1;width:22px;height:22px}.nav-label{font-size:10px;font-weight:600;position:relative;z-index:1}.filter-bar{display:flex;gap:8px;overflow-x:auto;padding:16px 0;-webkit-overflow-scrolling:touch}.filter-bar::-webkit-scrollbar{display:none}.filter-chip{padding:10px 20px;border-radius:var(--radius-full);background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border-color);font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer;transition:all .3s ease}.filter-chip:hover{border-color:var(--accent-primary)}.filter-chip.active{background:var(--gradient-primary);color:#fff;border-color:transparent;box-shadow:var(--shadow-glow)}.loading{display:flex;justify-content:center;align-items:center;padding:40px}.spinner{width:40px;height:40px;border:3px solid var(--tg-theme-hint-color, #e4e4e7);border-top-color:var(--tg-theme-link-color, #2481cc);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-full);font-size:12px;font-weight:700;box-shadow:var(--shadow-sm)}.badge-verified{background:linear-gradient(135deg,var(--success) 0%,#059669 100%);color:#fff}.badge-rating{background:linear-gradient(135deg,var(--warning) 0%,#d97706 100%);color:#fff}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:10px;font-weight:600;font-size:14px;color:var(--text-secondary)}.form-input,.form-textarea,.form-select{width:100%;padding:14px 16px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-elevated);color:var(--text-primary);font-size:16px;transition:all .3s ease}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f11a}.form-textarea{resize:vertical;min-height:120px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:flex-end;z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg-card);border-radius:var(--radius-xl) var(--radius-xl) 0 0;border:1px solid var(--border-color);border-bottom:none;padding:24px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{font-size:22px;font-weight:700;margin-bottom:20px;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}