/* Import variables if not already available in scope, 
   though usually inherited from style.css */
:root {
    --chat-primary: #4D96FF;
    --chat-bg: #fff;
    --chat-text: #333;
    --chat-user-msg-bg: #4D96FF;
    --chat-user-msg-text: #fff;
    --chat-bot-msg-bg: #f0f0f0;
    --chat-bot-msg-text: #333;
    --chat-width: 350px;
    --chat-height: 450px;
}

body.dark-mode {
    --chat-bg: #1e1e1e;
    --chat-text: #fff;
    --chat-bot-msg-bg: #2d2d2d;
    --chat-bot-msg-text: #fff;
}

/* Floating Chat Button */
.chat-widget-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    /* CHANGE: Blue -> Golden Gradient */
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--deep-navy);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgb(0 0 0 / 15%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-widget-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

/* 2. Chat Window Container */
.chat-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: var(--chat-width);
    height: var(--chat-height);
    background-color: var(--chat-bg);
    border-radius: 12px;
    box-shadow: 0 5px 25px rgb(0 0 0 / 20%);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 999;
    opacity: 0%;
    transform: translateY(20px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.chat-window.active {
    opacity: 100%;
    transform: translateY(0);
    pointer-events: all;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 3. Header */
.chat-header {
    /* CHANGE: Blue -> Deep Navy Background */
    background: var(--deep-navy);
    /* CHANGE: White -> Gold Text */
    color: var(--primary-gold);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    font-family: 'Playfair Display', serif;
    letter-spacing: 0.5px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--primary-gold);
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.close-btn:hover {
    transform: rotate(90deg);
}

/* 4. Messages Area */
.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    background: var(--warm-cream); /* Light cream background */
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Message Bubbles */
.message {
    padding: 0.8rem 1rem;
    border-radius: 12px;
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
    overflow-wrap: break-word;
}

.message.bot {
    background: white;
    color: #333;
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    border: 1px solid rgba(0,0,0,0.05);
}

.message.user {
    /* CHANGE: Blue -> Gold Background */
    background: var(--primary-gold);
    /* CHANGE: White -> Navy Text (High Contrast) */
    color: var(--deep-navy);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
    font-weight: 600;
}

/* 5. Input Area */
.chat-input-area {
    padding: 15px;
    border-top: 1px solid rgb(0 0 0 / 10%);
    display: flex;
    gap: 10px;
}

body.dark-mode .chat-input-area {
    border-top: 1px solid rgb(255 255 255 / 10%);
}

#chatInput {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 25px;
    outline: none;
    font-family: inherit;
}

#chatInput:focus {
    border-color: var(--primary-gold);
}

#sendBtn {
    /* CHANGE: Blue -> Navy Button */
    background: var(--deep-navy);
    color: var(--primary-gold);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

#sendBtn:hover {
    background: var(--primary-gold);
    color: var(--deep-navy);
}