body{margin:0;padding:0;font-family:Inter,Arial,sans-serif;background-color:#e6f0ff;color:#333;line-height:1.5}a{color:#007bff;text-decoration:underline;transition:color .2s ease}a:hover{color:#0056b3}.chat-widget{display:flex;flex-direction:column;position:fixed;bottom:20px;right:20px;width:100%;max-width:420px;height:560px;background:#fff;border-radius:16px;box-shadow:0 4px 14px rgba(0,0,0,.15);overflow:hidden;font-family:Inter,sans-serif;z-index:9999}.chat-header{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(90deg,#007bff,#0056b3);color:#fff;padding:10px 15px;font-weight:600;font-size:15px;letter-spacing:.3px}.chat-header-actions button{background:none;border:none;color:#fff;font-size:18px;cursor:pointer;margin-left:5px;transition:transform .2s ease}.chat-header-actions button:hover{transform:scale(1.2)}.chat-body{flex:1 1;padding:12px;overflow-y:auto;background:#fafbfc;scrollbar-width:thin;scrollbar-color:#007bff #e0e0e0}.chat-body::-webkit-scrollbar{width:6px}.chat-body::-webkit-scrollbar-thumb{background:#007bff;border-radius:6px}.language-select{text-align:center;margin-top:25px;color:#333}.language-select p{font-size:14px;margin-bottom:10px}.flags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.flag-btn{font-size:26px;background:none;border:none;cursor:pointer;transition:transform .2s ease}.flag-btn:hover{transform:scale(1.2)}.messages-container{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}.message{padding:8px 12px;border-radius:12px;max-width:80%;word-wrap:break-word;font-size:14px;line-height:1.4;animation:fadeIn .3s ease}.message.bot{background:#f2f3f5;align-self:flex-start;color:#222}.message.user{background:#007bff;color:#fff;align-self:flex-end}.qcm-theme{margin-top:15px;text-align:left}.theme-title{margin:6px 0;font-size:13px;font-weight:600;color:#444;text-transform:capitalize}.qcm-btn{display:inline-block;background:#e7f0ff;color:#007bff;border:none;border-radius:10px;padding:8px 12px;margin:3px;cursor:pointer;font-size:13px;transition:all .2s ease;box-shadow:0 2px 6px rgba(0,0,0,.08)}.qcm-btn:hover{background:#d4e4ff;transform:scale(1.05)}@media (max-width:480px){.chat-widget{right:10px;bottom:10px;max-width:95%;height:520px}.chat-header{font-size:14px}.message{font-size:13px}.qcm-btn{font-size:12px;padding:6px 10px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.qcm-buttons{position:-webkit-sticky;position:sticky;bottom:0;background:#fff;padding-top:6px;border-top:1px solid #ddd;z-index:10}