#ai-assistant {
    position: fixed;
    bottom: 15px;
    right: 15px;
    cursor: pointer;
    z-index: 99999;
    transform: translateZ(0);
    isolation: isolate;
}

.ai-wrapper {
    background: black;
    height: 50px;
    width: 50px;
    color: white;
    font-family: 'Helvetica', 'Arial', sans-serif;
    font-size: 32px;
    text-align: center;
    border-radius: 50%;
}

#ai-chat {
    border-radius: 15px;
    width: 350px;
    position: fixed;
    right: 30px;
    bottom: 30px;
    font-family: 'Helvetica', 'Arial', sans-serif;
    border-color: rgba(0, 0, 0, 0.175);
}

#ai-close-chat,
#ai-expand-chat,
#ai-clear-chat {
    padding: 2px 5px;
    border-radius: 5px;
    cursor: pointer;
}

#ai-close-chat:hover  { background: #ff1919; }
#ai-clear-chat:hover  { background: #0d6efd; }
#ai-expand-chat:hover { background: rgba(255,255,255,0.2); }

.card-header-custom {
    border-radius: 15px 15px 0 0;
    background-color: black;
    font-size: 16px;
}

#ai-chat-wrapper {
    height: 200px;
    max-height: 200px;
    overflow: auto;
    font-size: 18px;
    padding: 10px;
    transition: height 0.3s ease;
}

/* Expanded state */
#ai-chat.expanded {
    width: min(560px, 92vw);
}

#ai-chat.expanded #ai-chat-wrapper {
    height: 420px;
    max-height: 420px;
}

.avatar-img {
    width: 40px; 
    height: 100%;
}

.ai-message {
    border-radius: 15px; 
    background-color: #dadada;
    color: black;
    max-width: 80%;
}

.user-message {
    border-radius: 15px; 
    background-color: #0d6efd;
    color: white;
    max-width: 80%;
}

#ai-send-button {
    background: #0d6efd;
    border-color: #0d6efd;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
    align-self: flex-end;
}

#ai-send-button:hover, #ai-send-button:active{
    background: #0a58ca;
    border-color: #0a58ca;
}

#ai-user-message {
    border-color: #dee2e6;
    font-family: 'Helvetica', 'Arial', sans-serif;
    font-size: 16px;
}

.card-body ::-webkit-scrollbar {
    width: 10px;
}

.card-body ::-webkit-scrollbar-thumb {
    background: #dadada;
    border-radius: 10px;
}

/* Streaming cursor */
.ai-cursor {
    display: inline-block;
    width: 2px;
    height: 0.85em;
    background: #888;
    margin-left: 2px;
    vertical-align: middle;
    border-radius: 1px;
    animation: ai-blink 0.9s step-end infinite;
}

@keyframes ai-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* Code formatting */
.ai-message pre {
    background: #1e1e1e;
    color: #d4d4d4;
    border-radius: 8px;
    padding: 12px;
    margin: 8px 0 4px;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.5;
}

.ai-message pre code {
    background: none;
    color: inherit;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

.ai-message code {
    background: #e8e8e8;
    color: #c7254e;
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 85%;
    font-family: 'Courier New', Courier, monospace;
}

.ai-message p {
    margin-bottom: 6px;
}

.ai-message p:last-of-type {
    margin-bottom: 0;
}