#chat-toggle-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    
    /* CHANGE THIS LINE */
    background-color: transparent; /* Was: var(--white) */
    
    /* REMOVED BORDER */
    border: none; 
    
    /* ADDED ANIMATION */
    animation: pulse-animation 2s infinite ease-in-out;

    /* OPTIONAL: If you also want to remove the faint shadow, delete this line below */
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    
    cursor: pointer;
    z-index: 1000;
    overflow: hidden;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Pause animation on hover so it's easier to click */
#chat-toggle-btn:hover {
    animation-play-state: paused;
    transform: scale(1.1);
}

.chat-btn-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 2. Chat Window Container */
.chat-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 350px;
    height: 450px;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.chat-window.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

/* 3. Header */
.chat-header {
    background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-blue) 100%);
    color: var(--white);
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.bot-avatar-small {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid var(--white);
}

#close-chat {
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

/* 4. Messages Area */
.chat-messages {
    flex: 1;
    padding: 15px;
    background-color: #f4f7fa;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.message.bot {
    align-self: flex-start;
    background-color: var(--white);
    color: var(--text-main);
    border-bottom-left-radius: 2px;
    border: 1px solid #e0e0e0;
}

.message.user {
    align-self: flex-end;
    background-color: var(--action-orange);
    color: var(--white);
    border-bottom-right-radius: 2px;
}

/* 5. Input Area */
.chat-input-area {
    padding: 15px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
    background: var(--white);
}

#user-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 20px;
    outline: none;
}

#user-input:focus { border-color: var(--brand-blue); }

#send-btn {
    background: var(--brand-navy);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
}

#send-btn:hover { background: var(--brand-blue); }