:root{--primary:#6366f1;--primary-hover:#4f46e5;--secondary:#f59e0b;--secondary-hover:#d97706;--bg-color:#f8fafc;--card-bg:#ffffffe6;--text-main:#1e293b;--text-muted:#64748b;--border-color:#e2e8f0;--glass-shadow:0 8px 32px 0 #1f26870d;--glass-border:1px solid #fff9}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(at 0 0,#100f1500 0,#0000 50%),radial-gradient(at 50% 0,#ffc39e 0,#0000 50%),radial-gradient(at 100% 0,#72274100 0,#0000 50%);background-size:cover;background-attachment:fixed;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif}.app-container{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);border-left:var(--glass-border);border-right:var(--glass-border);max-width:600px;min-height:100vh;box-shadow:var(--glass-shadow);flex-direction:column;margin:0 auto;display:flex}header{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10;border-bottom:1px solid var(--border-color);background:#ffffffe6;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex;position:sticky;top:0}.logo{color:var(--primary);align-items:center;gap:.5rem;font-size:1.5rem;font-weight:800;text-decoration:none;display:flex}main{flex:1;padding:1.5rem}.glass-card{border:var(--glass-border);background:#ffffffb3;border-radius:16px;margin-bottom:1.5rem;padding:1.5rem;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 6px -1px #0000000d}.glass-card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, #ff9e66 100%);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s;box-shadow:0 4px 14px #ff7e3663}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ff7e3680}.product-grid{grid-template-columns:1fr;gap:1rem;display:grid}.product-item{cursor:pointer;background:#fff;border-radius:12px;align-items:stretch;padding:.75rem;transition:transform .2s;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 4px #0000000d}.product-item:hover{transform:translateY(-4px);box-shadow:0 8px 16px #0000001a}.product-image{object-fit:cover;background:#e2e8f0;border-radius:12px;flex-shrink:0;width:160px;height:160px}.product-info{flex-direction:column;flex:1;justify-content:space-between;min-width:0;padding:.25rem 0 0 1rem;display:flex}.product-title{-webkit-line-clamp:1;line-clamp:1;text-overflow:ellipsis;-webkit-box-orient:vertical;margin-bottom:.4rem;font-size:1rem;font-weight:700;display:-webkit-box;overflow:hidden}.product-desc{color:var(--text-muted);-webkit-line-clamp:2;line-clamp:2;text-overflow:ellipsis;-webkit-box-orient:vertical;margin-bottom:.5rem;font-size:.85rem;line-height:1.4;display:-webkit-box;overflow:hidden}.product-price{color:var(--primary);font-size:1.1rem;font-weight:700}.badge-quick{color:#fff;z-index:5;background:linear-gradient(135deg,#e53e3e 0%,#c53030 100%);border-radius:20px;align-items:center;gap:2px;padding:4px 10px;font-size:.7rem;font-weight:800;display:flex;position:absolute;bottom:.75rem;right:.75rem;box-shadow:0 4px 10px #e53e3e66}.form-group{margin-bottom:1.25rem}.form-label{margin-bottom:.5rem;font-size:.95rem;font-weight:600;display:block}.form-input{border:1px solid var(--border-color);background:#fffc;border-radius:10px;width:100%;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s}.form-input:focus{border-color:var(--primary);background:#fff;outline:none}.bottom-nav{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--border-color);z-index:10;background:#ffffffe6;justify-content:space-around;padding:1rem;display:flex;position:sticky;bottom:0}.nav-item{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:4px;font-size:.75rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-item.active{color:var(--primary)}.chat-list-item{color:inherit;background:#fff;border-bottom:1px solid #f1f5f9;align-items:center;gap:1rem;padding:1rem;text-decoration:none;transition:background .2s;display:flex}.chat-list-item:hover{background:#f8fafc}.chat-avatar-column{flex-shrink:0}.chat-info-column{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.chat-meta-column{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:6px;min-width:60px;display:flex}.chat-partner-name{color:#1a202c;font-size:1rem;font-weight:700}.chat-last-message{color:#718096;white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-size:.85rem;overflow:hidden}.chat-last-time{color:#a0aec0;margin-top:2px;font-size:.7rem;font-weight:500}.chat-filter-select{color:#4a5568;appearance:none;cursor:pointer;background:#f8fafc url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%234A5568'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E") right 10px center/16px no-repeat;border:1px solid #e2e8f0;border-radius:12px;width:100%;padding:8px 12px;font-size:.85rem;font-weight:600;transition:all .2s}.chat-filter-select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #ff7e361a}.chat-product-thumbnail{object-fit:cover;border:1px solid #edf2f7;border-radius:8px;width:44px;height:44px}.chat-unread-badge{background:var(--primary);color:#fff;text-align:center;border-radius:10px;min-width:18px;padding:2px 7px;font-size:.7rem;font-weight:800}.image-carousel{scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;display:flex;overflow-x:auto}.image-carousel::-webkit-scrollbar{display:none}.carousel-item{scroll-snap-align:start;aspect-ratio:4/3;object-fit:cover;flex-shrink:0;width:100vw;max-width:600px}.profile-img{object-fit:cover;background-color:#e2e8f0;border-radius:50%;width:48px;height:48px}.profile-placeholder{color:#718096;background-color:#e2e8f0;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.category-pill{border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;background:#fff;border-radius:20px;padding:6px 12px;font-size:.85rem;font-weight:600}.category-pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}.comment-box{border:var(--glass-border);background:#ffffffb3;border-radius:12px;margin-top:.5rem;padding:1rem}.bubble-me{position:relative}.bubble-me:after{content:"";border:6px solid #0000;border-left:8px solid #fee500;border-right-width:0;position:absolute;top:10px;right:-8px}.bubble-partner{position:relative}.bubble-partner:after{content:"";border:6px solid #0000;border-left-width:0;border-right:8px solid #fff;position:absolute;top:10px;left:-8px}.empty-state-container{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:60vh;padding:6rem 2rem;animation:.5s ease-out fadeIn;display:flex}.empty-state-icon{width:100px;height:100px;color:var(--primary);background:#fff;border-radius:35% 65% 61% 39%/30% 36% 64% 70%;justify-content:center;align-items:center;margin-bottom:2rem;animation:6s ease-in-out infinite float;display:flex;box-shadow:0 10px 25px #6366f126}.empty-state-title{color:var(--text-main);letter-spacing:-.5px;margin-bottom:.75rem;font-size:1.5rem;font-weight:800}.empty-state-desc{color:var(--text-muted);max-width:280px;margin-bottom:2.5rem;font-size:1rem;line-height:1.6}.empty-state-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:50px;padding:1rem 2.5rem;font-size:1.1rem;font-weight:700;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 8px 20px #6366f14d}.empty-state-btn:hover{transform:translateY(-3px);box-shadow:0 12px 25px #6366f166}.empty-state-btn:active{transform:scale(.96)}@keyframes float{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-15px)rotate(5deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fab-button{background:linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);color:#fff;cursor:pointer;z-index:99;letter-spacing:-.01em;border:none;border-radius:30px;justify-content:center;align-items:center;gap:10px;height:54px;padding:0 22px;font-size:1.05rem;font-weight:700;text-decoration:none;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex;position:fixed;bottom:110px;right:calc(50% - 276px);box-shadow:0 10px 25px #6366f166}@media (width<=600px){.fab-button{right:24px}}.fab-button:hover{transform:translateY(-5px)scale(1.05);box-shadow:0 15px 30px #6366f180}.sale-type-toggle{background:#edf2f7;border-radius:10px;gap:4px;margin-bottom:1.5rem;padding:4px;display:flex}.sale-type-btn{color:#718096;cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:10px;font-weight:600;transition:all .2s}.sale-type-btn.active{color:var(--primary);background:#fff;box-shadow:0 2px 4px #0000000d}.badge-free{color:#008243;letter-spacing:-.01em;background-color:#e7f7ef;border:none;border-radius:6px;align-items:center;padding:4px 10px;font-size:.7rem;font-weight:700;display:inline-flex}.fab-button:active{transition:all .1s;transform:scale(.95)}@media (width<=600px){.fab-button:hover{transform:translateY(-5px)scale(1.05)}.fab-button:active{transform:scale(.95)}}