:root{--ec-red:#cc1122;--ec-red-dark:#a50e1c;--ec-red-bg:#2a0a0d;--ec-red-muted:#3d1015;--ec-dark:#1a1a1a;--ec-dark2:#242424;--ec-dark3:#2e2e2e;--ec-white:#ffffff;--ec-gray:#888888;--ec-radius:12px}.ec-toggle{position:fixed;bottom:24px;right:24px;width:60px;height:60px;background:var(--ec-red);border:none;border-radius:50%;cursor:pointer;z-index:9998;box-shadow:0 4px 16px rgb(204 17 34 / .5);display:flex;align-items:center;justify-content:center;padding:0;transition:transform 0.2s,box-shadow 0.2s}.ec-toggle:hover{transform:scale(1.08);box-shadow:0 6px 20px rgb(204 17 34 / .65)}.ec-toggle svg{width:28px;height:28px}.ec-ai-widget{position:fixed;bottom:95px;right:24px;width:360px;max-height:560px;background:var(--ec-dark);border-radius:var(--ec-radius);box-shadow:0 8px 40px rgb(0 0 0 / .55);display:flex;flex-direction:column;z-index:9999;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:14px;transform:scale(.95) translateY(10px);opacity:0;pointer-events:none;transition:transform 0.22s cubic-bezier(.4,0,.2,1),opacity 0.22s}.ec-ai-widget.ec-open{transform:scale(1) translateY(0);opacity:1;pointer-events:all}.ec-header{background:linear-gradient(135deg,var(--ec-red) 0%,var(--ec-red-dark) 100%);padding:14px 16px;display:flex;align-items:center;gap:12px;flex-shrink:0}.ec-avatar{width:46px;height:46px;border-radius:50%;background:rgb(255 255 255 / .15);flex-shrink:0;overflow:hidden;border:2px solid rgb(255 255 255 / .4)}.ec-header-info{flex:1;min-width:0}.ec-header-info h3{margin:0;font-size:15px;font-weight:700;color:var(--ec-white);line-height:1.2}.ec-header-info p{margin:2px 0 0;font-size:11px;color:rgb(255 255 255 / .75)}.ec-close{background:rgb(255 255 255 / .15);border:none;color:var(--ec-white);cursor:pointer;font-size:18px;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background 0.15s}.ec-close:hover{background:rgb(255 255 255 / .3)}.ec-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--ec-dark);scroll-behavior:smooth}.ec-messages::-webkit-scrollbar{width:4px}.ec-messages::-webkit-scrollbar-track{background:#fff0}.ec-messages::-webkit-scrollbar-thumb{background:var(--ec-dark3);border-radius:2px}.ec-msg{max-width:85%;padding:10px 13px;border-radius:14px;line-height:1.5;word-break:break-word;font-size:13.5px}.ec-msg.ec-bot{background:var(--ec-dark2);color:var(--ec-white);align-self:flex-start;border-bottom-left-radius:4px}.ec-msg.ec-user{background:var(--ec-red);color:var(--ec-white);align-self:flex-end;border-bottom-right-radius:4px}.ec-msg.ec-error{background:#2a0a0d;color:#f88;align-self:flex-start;border:1px solid #5a1a1a;border-radius:10px}.ec-welcome-btns{display:flex;flex-direction:column;gap:6px;margin-top:8px}.ec-quick-btn{background:var(--ec-dark3);color:var(--ec-white);border:1px solid #444;border-radius:20px;padding:7px 14px;cursor:pointer;font-size:12.5px;text-align:left;transition:background 0.15s,border-color 0.15s;font-family:inherit}.ec-quick-btn:hover{background:var(--ec-red);border-color:var(--ec-red)}.ec-product-card{background:var(--ec-dark3);border:1px solid #3a3a3a;border-radius:10px;padding:11px 13px;margin-top:6px;text-decoration:none;display:block;transition:border-color 0.15s,background 0.15s}.ec-product-card:hover{border-color:var(--ec-red);background:var(--ec-red-muted)}.ec-product-card .ec-prod-title{color:var(--ec-white);font-weight:600;font-size:13px;line-height:1.3;margin-bottom:5px}.ec-product-card .ec-prod-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.ec-product-card .ec-prod-ref{color:var(--ec-gray);font-size:11px}.ec-product-card .ec-prod-price{color:#ff6b6b;font-weight:700;font-size:14px}.ec-product-card .ec-prod-stock{background:#1a3a1a;color:#5cb85c;font-size:11px;padding:2px 7px;border-radius:10px;font-weight:600}.ec-product-card .ec-prod-arrow{color:#ff6b6b;margin-left:auto;font-size:16px}.ec-preview{padding:8px 16px;background:var(--ec-dark2);display:flex;align-items:center;gap:10px;flex-shrink:0}.ec-preview img{height:50px;width:50px;object-fit:cover;border-radius:6px}#ec-preview-remove{background:#555;border:none;color:#fff;width:22px;height:22px;border-radius:50%;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}.ec-typing{display:flex;align-items:center;gap:4px;padding:10px 13px;background:var(--ec-dark2);border-radius:14px;border-bottom-left-radius:4px;align-self:flex-start;width:fit-content}.ec-typing span{width:7px;height:7px;background:var(--ec-red);border-radius:50%;animation:ec-bounce 1.2s infinite;opacity:.7}.ec-typing span:nth-child(2){animation-delay:0.2s}.ec-typing span:nth-child(3){animation-delay:0.4s}@keyframes ec-bounce{0%,80%,100%{transform:translateY(0);opacity:.7}40%{transform:translateY(-6px);opacity:1}}.ec-input{padding:12px;background:var(--ec-dark2);display:flex;align-items:center;gap:8px;flex-shrink:0;border-top:1px solid #333}.ec-attach{cursor:pointer;font-size:20px;color:var(--ec-gray);flex-shrink:0;transition:color 0.15s;user-select:none}.ec-attach:hover{color:var(--ec-red)}#ec-input{flex:1;background:var(--ec-dark3);border:1px solid #444;border-radius:20px;padding:8px 14px;color:var(--ec-white);font-size:13.5px;outline:none;transition:border-color 0.15s;font-family:inherit}#ec-input:focus{border-color:var(--ec-red)}#ec-input::placeholder{color:var(--ec-gray)}.ec-btn{background:var(--ec-red);color:var(--ec-white);border:none;border-radius:20px;padding:8px 16px;cursor:pointer;font-size:13px;font-weight:600;flex-shrink:0;transition:background 0.15s;font-family:inherit}.ec-btn:hover{background:var(--ec-red-dark)}.ec-btn:disabled{opacity:.5;cursor:not-allowed}@media (max-width:480px){.ec-ai-widget{width:calc(100vw - 16px);right:8px;bottom:80px;max-height:70vh}.ec-toggle{bottom:16px;right:16px}}