:root{--zaiv-primary:#1e3a8a;--zaiv-secondary:#2563eb;--zaiv-bg:#f8fafc;--zaiv-shadow:0px 10px 30px #00000026}.zaiv-trigger-btn{z-index:10001;position:fixed;bottom:24px;right:24px}.zaiv-chat-container{width:clamp(320px,90vw,380px);height:600px;max-height:calc(100vh - 140px);box-shadow:var(--zaiv-shadow);z-index:10000;background-color:#fff;border-radius:16px;flex-direction:column;transition:all .3s;display:flex;position:fixed;bottom:100px;right:24px;overflow:hidden}@media screen and (height<=700px){.zaiv-chat-container{height:calc(100vh - 120px);bottom:90px}}@media screen and (height<=500px){.zaiv-chat-container{width:300px;height:85vh;bottom:10px;right:10px}.zaiv-trigger-btn{display:none}}@media screen and (width<=768px){.zaiv-chat-container{border-radius:0;width:100%;height:100dvh;max-height:100dvh;bottom:0;right:0}}.zaiv-chat-header{background:linear-gradient(135deg, var(--zaiv-primary), var(--zaiv-secondary));color:#fff;align-items:center;gap:12px;padding:15px 20px;display:flex}.zaiv-chat-messages{background-color:var(--zaiv-bg);scroll-behavior:smooth;flex-direction:column;flex-grow:1;padding:15px;display:flex;overflow-y:auto}.bubble{border-radius:12px;max-width:85%;margin-bottom:10px;padding:10px 14px;line-height:1.4}.bubble.user{background:var(--zaiv-secondary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.bubble.ai{background:#fff;border:1px solid #e2e8f0;border-bottom-left-radius:4px;align-self:flex-start}.zaiv-chat-input-area{padding:12px 15px;padding-bottom:calc(env(safe-area-inset-bottom) + 12px);background:#fff;border-top:1px solid #e2e8f0;align-items:center;gap:8px;display:flex}.zaiv-chat-messages::-webkit-scrollbar{width:4px}.zaiv-chat-messages::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}@keyframes fadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.zaiv-chat-container.open{animation:.3s ease-out fadeIn}