.ai-widget{position:fixed;right:24px;bottom:24px;z-index:1000;font-family:Inter,Arial,sans-serif}
.ai-widget__toggle{position:relative;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--red-bright),var(--red));border:none;color:#fff;cursor:pointer;box-shadow:0 10px 30px rgba(118,1,2,.45);display:grid;place-items:center}
.ai-widget__toggle-pulse{position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--red-bright);opacity:.6;animation:ai-pulse 2.2s ease-out infinite;pointer-events:none}
.ai-widget.is-open .ai-widget__toggle-pulse{display:none}
@keyframes ai-pulse{0%{transform:scale(.9);opacity:.6}100%{transform:scale(1.5);opacity:0}}

.ai-widget__panel{position:absolute;right:0;bottom:76px;width:360px;max-width:calc(100vw - 32px);height:520px;max-height:70vh;background:#fff;border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.4);display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(16px) scale(.98);pointer-events:none;transition:opacity .22s,transform .22s}
.ai-widget.is-open .ai-widget__panel{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}

.ai-widget__header{background:linear-gradient(135deg,var(--ink),#2b2b2b);color:#fff;padding:16px 18px;display:flex;align-items:flex-start;justify-content:space-between;gap:10px;flex:0 0 auto}
.ai-widget__header strong{display:block;font-size:14px}
.ai-widget__header span{display:block;font-size:11px;color:rgba(255,255,255,.6);margin-top:3px}
.ai-widget__close{background:none;border:0;color:rgba(255,255,255,.7);font-size:18px;cursor:pointer;line-height:1;padding:2px}
.ai-widget__close:hover{color:#fff}

.ai-widget__messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#f7f6f5}
.ai-msg{max-width:88%;padding:10px 13px;border-radius:13px;font-size:13.5px;line-height:1.5}
.ai-msg--assistant{background:#fff;border:1px solid #ececec;align-self:flex-start;border-bottom-right-radius:3px}
.ai-msg--user{background:var(--red);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}
.ai-msg--error{background:#fbe7e7;color:#a80e12;align-self:flex-start;font-weight:600}
.ai-typing{display:flex;gap:4px;align-self:flex-start;padding:12px 14px;background:#fff;border:1px solid #ececec;border-radius:13px}
.ai-typing span{width:6px;height:6px;border-radius:50%;background:#c2c2c2;animation:ai-typing-bounce 1.1s infinite}
.ai-typing span:nth-child(2){animation-delay:.15s}
.ai-typing span:nth-child(3){animation-delay:.3s}
@keyframes ai-typing-bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}

.ai-product{display:flex;gap:10px;background:#fff;border:1px solid #ececec;border-radius:10px;padding:8px;text-decoration:none;color:inherit;align-self:flex-start;max-width:92%;transition:border-color .2s}
.ai-product:hover{border-color:var(--red)}
.ai-product img{width:56px;height:44px;object-fit:cover;border-radius:6px;flex:0 0 56px;background:var(--gray-100)}
.ai-product__body{display:flex;flex-direction:column;gap:2px;min-width:0;justify-content:center}
.ai-product__body strong{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-product__body span{font-size:10.5px;color:#999;text-transform:uppercase;letter-spacing:.3px}
.ai-product__body b{font-size:13px;color:var(--red)}

.ai-widget__form{display:flex;gap:8px;padding:12px;border-top:1px solid #ececec;background:#fff;flex:0 0 auto}
.ai-widget__form input{flex:1;border:1px solid #ddd;border-radius:20px;padding:10px 15px;font-size:13px;outline:none;font-family:inherit}
.ai-widget__form input:focus{border-color:var(--red)}
.ai-widget__form button{width:38px;height:38px;border-radius:50%;background:var(--red);color:#fff;border:none;cursor:pointer;flex:0 0 38px;display:grid;place-items:center}
.ai-widget__form button:disabled{opacity:.5;cursor:default}

@media(max-width:480px){
    .ai-widget{right:16px;bottom:16px}
    .ai-widget__panel{position:fixed;inset:0;width:100%;max-width:100%;height:100%;max-height:100%;border-radius:0}
}