/* Import Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,100..900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

body { 
    min-height: 100vh;
}

#chatbot-toggler {
    position: fixed;
    bottom: 30px;
    right: 35px;
    border: none; 
    height: 50px;
    width: 50px;
    display: flex; 
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    background: #FF670D;
    transition: all 0.2s ease;
}

body.show-chatbot #chatbot-toggler {
    transform: rotate(90deg);
}

#chatbot-toggler span { 
    color: #fff;
    position: absolute;
}

body.show-chatbot #chatbot-toggler span:first-child,
#chatbot-toggler span:last-child { 
    opacity: 0;
}

body.show-chatbot #chatbot-toggler span:last-child{
    opacity: 1;
}

.chatbot-popup { 
    position: fixed;
    right: 20px; 
    bottom: 93px;
    width: 380px;
    height: 480px;
    background: #fff;
    overflow: hidden;
    border-radius: 14px;
    opacity: 0;
    transform: scale(0.2);
    transform-origin: bottom right;
    pointer-events: none;
    box-shadow: 0 0 128px 0 rgba(0, 0, 0, 0.1),
    0 32px 64px -48px rgba(0, 0, 0, 0.5);
    transition: all 0.1s ease; 
}

/* Responsive for smartphone */
@media (max-width: 768px) {
  .chatbot-popup {
    width: 90%;        /* gần full chiều rộng */
    height: 70%;       /* chiếm 70% chiều cao màn hình */
    bottom: 100px;     /* cách nút toggle */
    right: 5%;         /* căn giữa theo chiều ngang */
    border-radius: 12px;
  }

  .chat-body {
    height: calc(100% - 120px); /* giữ chat-body co giãn linh hoạt */
  }

  #chatbot-toggler {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
  }
}

#chatbot-toggler,
.chatbot-popup {
  z-index: 9999; /* higher than hero (z-10) */
}

body.show-chatbot .chatbot-popup { 
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
}

.chat-header { 
    display: flex; 
    align-items: center;
    background: #FF670D;
    padding: 15px 22px;
    justify-content: space-between;
}

.chat-header .header-info { 
    display: flex;
    gap: 10px;
    align-items: center;
}

.header-info .chatbot-logo {
    height: 35px;
    width: 35px;
    padding: 6px;
    fill: #FF670D;
    flex-shrink: 0;
    background: #fff;
    border-radius: 50%;
}

.header-info .logo-text{
    color: #fff;
    font-size: 1.31rem;
    font-weight: 600;
}

.chat-header #close-chatbot { 
    border: none;
    color: #fff;
    height: 40px;
    width: 40px;
    font-size: 1.9rem;
    margin-right: -10px;
    padding-top: 2px;
    cursor: pointer;
    border-radius: 50%;
    background: none;
    transition: 0.2s ease;

}

.chat-header #close-chatbot:hover {
    background: #b75923;
}

.chat-body {
    padding: 25px 22px;
    display: flex;
    gap: 20px;
    height: 340px;
    margin-bottom: 82px;
    overflow-y: auto;
    flex-direction: column;
    scrollbar-width: thin;
    scrollbar-color: #ccccf5 transparent;
}

.chat-body .message {
    display: flex;
    gap: 11px;
    align-items: center;
}

.chat-body .bot-message .bot-avatar{
    height: 35px;
    width: 35px;
    padding: 6px;
    fill: #fff;
    flex-shrink: 0;
    margin-bottom: 2px;
    align-self: flex-end;
    background: #FF670D;
    border-radius: 50%;
}

.chat-body .user-message {
    flex-direction: column;
    align-items: flex-end;
}

.chat-body .message .message-text { 
    padding: 12px 16px;
    max-width: 75%;
    font-size: 0.95rem;
}

.chat-body .bot-message.thinking .message-text{
    padding: 2px 16px;
}


.chat-body .bot-message .message-text{
    background: #f2f2ff;
    border-radius: 13px 13px 13px 3px;
    color: #000000;
}

.chat-body .user-message .message-text{
    color: #fff;
    background: #FF670D;
    border-radius: 13px 13px 13px 3px;
}

.chat-body .user-message .attachment { 
    width: 50%; 
    margin-top: -7px; 
    border-radius: 13px 3px 13px 13px;
}

.chat-body .bot-message .thinking-indicator {  
    display: flex;
    gap: 4px; 
    padding-block: 15px;
}

.chat-body .bot-message .thinking-indicator .dot{  
    height: 7px;
    width: 7px;
    opacity: 0.7;
    border-radius: 50%;
    background: #FF670D;
    animation: dotPulse 1.8s ease-in-out infinite;
}

.chat-body .bot-message .thinking-indicator .dot:nth-child(1){
    animation-delay: 0.2s;
}

.chat-body .bot-message .thinking-indicator .dot:nth-child(2){
    animation-delay: 0.3s;
}

.chat-body .bot-message .thinking-indicator .dot:nth-child(3){
    animation-delay: 0.4s;
}

@keyframes dotPulse {
    0%, 44% { 
        transform: translateY(0);
    }

    28% {
        opacity: 0.4;
        transform: translateY(-4px);
    }

    44% { 
        opacity: 0.2;
    }
}



.chat-footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: #fff;
    padding: 15px 22px 20px; 
}

.chat-footer .chat-form { 
    display: flex;
    position: relative;
    align-items: center;
    background: #fff;
    border-radius: 32px;
    outline: 1px solid #CCCCE5;
}

.chat-footer .chat-form:focus-within { 
    outline: 2px solid #FF670D
}

.chat-form .message-input { 
    border: none; 
    outline: none; 
    height: 47px;
    width: 100%;
    resize: none; 
    max-height: 180px;
    font-size: 0.95rem; 
    padding: 14px 0 13px 18px;
    border-radius: inherit; 
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
    color: #000000;
}

.chat-form .message-input:hover { 
    scrollbar-color: #ccccf5 transparent;
}

.chat-form .chat-controls { 
    display: flex;
    height: 47px;
    gap: 3px;
    align-items: center;
    align-self: flex-end;
    padding-right: 6px;
}

.chat-form .chat-controls button { 
    height: 35px;
    width: 35px;
    border: none; 
    cursor: pointer;
    color: #e4ad8e;
    background: none;
    border-radius: 50%;
    transition: 0.2s ease;
}

.chat-form .chat-controls #send-message { 
    color: #fff;
    display: none; 
    background: #ea884f;
}

.chat-form .message-input:valid~ .chat-controls #send-message{
    display: block;
}

.chat-form .chat-controls #send-message:hover { 
    background: #FF670D;
}

.chat-form .chat-controls button:hover {
    background: #f1f1ff;
}