:root{--chat-primary:#735af2;--chat-primary-dark:#4b2bee;--chat-bg-glass:hsla(0,0%,100%,.7);--chat-header-glass:hsla(0,0%,100%,.1);--chat-text-main:#1f2937;--chat-text-muted:#6b7280;--chat-shadow:0 12px 40px -12px rgba(0,0,0,.25);--chat-border:hsla(0,0%,100%,.3)}.floating-chat-button{position:fixed;bottom:2rem;right:2rem;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--chat-primary) 0,var(--chat-primary-dark) 100%);color:#fff;border:2px solid var(--chat-border);font-size:1.5rem;cursor:pointer;box-shadow:0 8px 32px rgba(102,126,234,.4);transition:all .5s cubic-bezier(.175,.885,.32,1.275);z-index:1000;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.floating-chat-button:before{content:"";position:absolute;width:100%;height:100%;border-radius:50%;background:var(--chat-primary);opacity:.3;z-index:-1;animation:simple-pulse 2s infinite}@keyframes simple-pulse{0%{transform:scale(1);opacity:.5}to{transform:scale(1.6);opacity:0}}.floating-chat-button:hover{transform:scale(1.1) translateY(-5px);box-shadow:0 15px 40px rgba(102,126,234,.6)}.floating-chat-button.open{background:#ef4444;transform:rotate(90deg) scale(1);box-shadow:0 8px 32px rgba(239,68,68,.4)}.floating-chat-button.open:hover{transform:rotate(95deg) scale(1.1)}.floating-chat-popup{position:fixed;bottom:6.5rem;right:2rem;width:400px;height:600px;background:var(--chat-bg-glass);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border:1px solid var(--chat-border);border-radius:24px;box-shadow:var(--chat-shadow);z-index:999;display:flex;flex-direction:column;overflow:hidden;transform-origin:bottom right;animation:premium-pop .5s cubic-bezier(.175,.885,.32,1.275)}@keyframes premium-pop{0%{opacity:0;transform:scale(.4) translate(40px,40px)}to{opacity:1;transform:scale(1) translate(0)}}.floating-chat-header{background:linear-gradient(135deg,rgba(102,126,234,.9),rgba(118,75,162,.9));color:#fff;padding:1.5rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--chat-header-glass)}.floating-chat-popup .empty-chat h2{font-size:1.25rem;margin-bottom:.5rem;color:#000}.floating-chat-popup .empty-chat p{font-size:.9rem;color:#000;opacity:1}.floating-chat-header h3{font-size:1.15rem;font-weight:700;margin:0;letter-spacing:-.025em}.floating-chat-header .subtitle{font-size:.75rem;opacity:.9;margin-top:.25rem}.chat-action-btn{background:hsla(0,0%,100%,.15);border:1px solid hsla(0,0%,100%,.2);color:#fff;width:34px;height:34px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.chat-action-btn:hover{background:hsla(0,0%,100%,.25);transform:translateY(-2px)}.floating-chat-popup .chat-messages{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;scroll-behavior:smooth;background:rgba(249,250,251,.4)}.floating-chat-popup .chat-messages::-webkit-scrollbar{width:6px}.floating-chat-popup .chat-messages::-webkit-scrollbar-track{background:transparent}.floating-chat-popup .chat-messages::-webkit-scrollbar-thumb{background:rgba(0,0,0,.1);border-radius:10px}.floating-chat-popup .message-bubble{max-width:85%;padding:.75rem 1.1rem;border-radius:18px;font-size:.925rem;line-height:1.5;position:relative;transition:transform .2s ease;overflow-wrap:break-word;word-wrap:break-word;word-break:break-word}.floating-chat-popup .message-bubble:hover{transform:translateY(-1px)}.floating-chat-popup .message-user{align-self:flex-end;background:var(--chat-primary);color:#fff;border-bottom-right-radius:4px;box-shadow:0 4px 12px rgba(102,126,234,.2)}.floating-chat-popup .message-assistant{align-self:flex-start;background:#fff;color:var(--chat-text-main);border:1px solid rgba(0,0,0,.05);border-bottom-left-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,.03)}.floating-chat-popup .chat-input-container{padding:1.25rem;background:#fff;border-top:1px solid rgba(0,0,0,.05)}.floating-chat-popup .chat-input-wrapper{display:flex;gap:.75rem;align-items:flex-end;background:#f3f4f6;padding:.5rem;border-radius:16px;border:1px solid transparent;transition:all .3s ease}.floating-chat-popup .chat-input-wrapper:focus-within{background:#fff;border-color:var(--chat-primary);box-shadow:0 0 0 4px rgba(102,126,234,.1)}.floating-chat-popup .chat-input{flex:1;padding:.5rem .75rem;border:none;background:transparent;font-size:.925rem;color:var(--chat-text-main);resize:none;min-height:40px;max-height:120px;outline:none}.floating-chat-popup .chat-send-btn{width:40px;height:40px;background:var(--chat-primary);color:#fff;border:none;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.floating-chat-popup .chat-send-btn:hover:not(:disabled){transform:scale(1.05);background:var(--chat-primary-dark)}.floating-chat-popup .chat-send-btn:disabled{opacity:.5;cursor:not-allowed;background:#9ca3af}.floating-chat-popup .chat-loading{padding:.75rem 1.1rem;background:#fff;border-radius:18px;border-bottom-left-radius:4px;align-self:flex-start;display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--chat-text-muted);box-shadow:0 2px 8px rgba(0,0,0,.03)}.chat-loading-dot{width:4px;height:4px;background:var(--chat-primary);border-radius:50%;animation:dot-bounce 1.4s ease-in-out infinite}.chat-loading-dot:nth-child(2){animation-delay:.2s}.chat-loading-dot:nth-child(3){animation-delay:.4s}@keyframes dot-bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@media (max-width:768px){.floating-chat-popup{width:calc(100vw - 2rem);height:calc(100vh - 12rem);right:1rem;bottom:6rem}}@media (max-width:480px){.floating-chat-popup{width:100vw;height:100vh;right:0;bottom:0;border-radius:0;animation:mobile-slide-up .4s cubic-bezier(.34,1.56,.64,1)}@keyframes mobile-slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.floating-chat-button{bottom:1.5rem;right:1.5rem}}