/* AI Chat Button Styles - Đồng bộ với nút toggle theme */
#chatOpenBtn {
    position: fixed;
    right: 20px;
    bottom: 20px; /* Đặt cao hơn nút toggle theme */
    z-index: 100;
    padding: 12px 24px;
    background-color: #89a293;
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    align-items: center;
    gap: 8px;
}

#chatOpenBtn:hover {
    background-color: #78ae8d;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

#chatOpenBtn:active {
    transform: scale(0.96);
}

#chatOpenBtn::before {
    content: "AI Chat";
    font-size: 18px;
}

#chatBox.minimized {
    height: 0px !important;
    width: 0px !important;
    overflow: hidden;
    transition: height 0.3s, width 0.3s;
}
#chatBox.minimized #chatHeader {
    border-radius: 10px;
}
#chatBox.minimized iframe {
    display: none;
}

/* Chat box container */
#chatBox {
    position: fixed;
    bottom: 50px;
    right: 20px;
    width: 320px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    background-color: white;
    z-index: 1000;
    overflow: hidden;
    transform: scale(0.9);
    opacity: 0;
    transition: all 0.3s ease;
}

#chatBox.show {
    transform: scale(1);
    opacity: 1;
}

#chatHeader {
    background-color: #89a293;
    color: white;
    padding: 14px 20px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#chatCloseBtn {
    background: none;
    border: none;
    color: white;
    font-size: 22px;
    cursor: pointer;
    transition: transform 0.2s;
}

#chatCloseBtn:hover {
    transform: scale(1.2);
}

/* Dark mode styles */
body.dark-mode #chatOpenBtn {
    background-color: #4d7a62;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

body.dark-mode #chatOpenBtn:hover {
    background-color: #4d7a62;
}

body.dark-mode #chatBox {
    background-color: #2d3e3f;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

body.dark-mode #chatHeader {
    background-color: #3a5a4a;
}
html {
  scroll-behavior:smooth;
}