:root{--primary-gradient:linear-gradient(135deg,#0b4f8a,#123d66);--bot-msg-bg:#f1f5f9;--user-msg-bg:#0b4f8a;--border-color:#e2e8f0;--text-main:#1e293b;--input-focus:#0b4f8a}.chat-fab{position:fixed;right:24px;bottom:24px;width:60px;height:60px;border:0;border-radius:50%;background:var(--primary-gradient);color:#fff;box-shadow:0 8px 24px rgba(11,79,138,.35);display:flex;align-items:center;justify-content:center;z-index:99999;cursor:pointer;transition:transform .25s cubic-bezier(.175,.885,.32,1.275),box-shadow .2s ease}.chat-fab:hover{transform:scale(1.08) translateY(-2px);box-shadow:0 12px 28px rgba(11,79,138,.45)}.chat-fab-icon{font-size:26px;line-height:1}.chat-widget{position:fixed;right:24px;bottom:96px;width:380px;max-width:calc(100vw - 48px);height:520px;max-height:calc(100vh - 120px);background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.15);z-index:99999;display:none;flex-direction:column;overflow:hidden;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;border:1px solid var(--border-color)}.chat-widget.open{display:flex;animation:chatWidgetFadeUp .25s cubic-bezier(.25,1,.5,1)}@keyframes chatWidgetFadeUp{from{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-widget-header{background:var(--primary-gradient);color:#fff;padding:16px 20px;display:flex;justify-content:space-between;align-items:center}.chat-widget-title{font-weight:700;font-size:16px;letter-spacing:-.3px}.chat-widget-subtitle{font-size:12px;opacity:.85;margin-top:2px}.chat-close-btn{border:0;background:transparent;color:#fff;font-size:28px;cursor:pointer;line-height:1;opacity:.8;transition:opacity .2s ease;padding:4px}.chat-close-btn:hover{opacity:1}.chat-widget-body{flex:1;display:flex;flex-direction:column;padding:16px;background:#f8fafc;overflow:hidden}.chat-select-wrapper{margin-bottom:8px}.chat-select-wrapper label{font-weight:600;font-size:12px;color:#475569;display:block;margin-bottom:4px}.chat-select-wrapper select{width:100%;padding:10px;border-radius:8px;border:1px solid #cbd5e1;font-size:13.5px;outline:none;background:#fff;transition:border-color .2s ease}.chat-select-wrapper select:focus{border-color:var(--input-focus)}.chat-session-fields{display:flex;gap:8px;margin-bottom:10px}.chat-session-fields input{width:50%;border:1px solid #cbd5e1;border-radius:8px;padding:10px 12px;font-size:13px;background:#fff;outline:none;transition:border-color .2s ease}.chat-session-fields input:focus{border-color:var(--input-focus)}.chat-messages{flex:1;overflow-y:auto;background:#fff;border:1px solid var(--border-color);border-radius:12px;padding:14px;margin-bottom:12px}.bot-message,.user-message{max-width:82%;padding:10px 14px;border-radius:14px;margin-bottom:10px;font-size:13.5px;line-height:1.5;word-wrap:break-word}.bot-message{background:var(--bot-msg-bg);color:var(--text-main);border-top-left-radius:4px;margin-right:auto}.user-message{background:var(--user-msg-bg);color:#fff;border-top-right-radius:4px;margin-left:auto}.chat-input-row{display:flex;gap:8px}.chat-input-row input{flex:1;border:1px solid #cbd5e1;border-radius:8px;padding:12px;font-size:13.5px;outline:none;background:#fff;transition:border-color .2s ease}.chat-input-row input:focus:not(:disabled){border-color:var(--input-focus)}.chat-input-row button{border:0;border-radius:8px;background:var(--user-msg-bg);color:#fff;padding:0 18px;font-size:13.5px;font-weight:600;cursor:pointer;transition:background .2s ease,opacity .2s ease}.chat-input-row button:hover:not(:disabled){background:#123d66}.chat-input-row button:disabled,.chat-input-row input:disabled{opacity:.6;cursor:not-allowed;background:#f1f5f9}.chat-user-fields-hidden{display:none!important}@media (max-width:480px){.chat-widget{right:0;bottom:0;width:100vw;height:100vh;max-width:100vw;max-height:100vh;border-radius:0;border:0}.chat-fab{right:16px;bottom:16px}}