/* ====================================
   AI CHAT WIDGET STYLES
   ==================================== */

:root {
    --chat-width: 380px;
    --chat-height: 600px;
    --chat-z-index: 9999;
}

/* Floating Action Button */
.chat-fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    cursor: pointer;
    z-index: var(--chat-z-index);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    border: none;
    outline: none;
}

.chat-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.6);
}

.chat-fab i {
    transition: transform 0.3s ease;
}

.chat-fab.active i {
    transform: rotate(90deg);
}

/* Chat Widget Container */
.chat-widget {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: var(--chat-width);
    height: var(--chat-height);
    max-height: calc(100vh - 120px);
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: var(--chat-z-index);
    transform-origin: bottom right;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), visibility 0.3s ease;
    visibility: hidden;
    opacity: 0;
    transform: scale(0.9) translateY(20px);
    overflow: hidden;
}

.chat-widget.active {
    visibility: visible;
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* Chat Header */
.chat-header {
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-header-info h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-header-info p {
    margin: 4px 0 0 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.chat-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
    font-size: 1rem;
}

.chat-close-btn:hover {
    color: var(--text-primary);
}

/* Chat Messages Area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}

/* Message Bubbles */
.message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.4;
    position: relative;
    word-wrap: break-word;
    animation: messageIn 0.3s ease-out;
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    align-self: flex-end;
    background: var(--accent-primary);
    color: #fff;
    border-bottom-right-radius: 2px;
}

.message.assistant {
    align-self: flex-start;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom-left-radius: 2px;
    border: 1px solid var(--border-color);
}

.message-time {
    display: block;
    font-size: 0.65rem;
    margin-top: 4px;
    opacity: 0.7;
    text-align: right;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border-bottom-left-radius: 2px;
    width: fit-content;
    margin-bottom: 8px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingBounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

/* Chat Input Area */
.chat-input-area {
    padding: 16px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.chat-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    resize: none;
    max-height: 100px;
    min-height: 42px;
    line-height: 1.4;
    transition: border-color 0.2s;
    overflow-y: hidden;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.chat-send-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: var(--accent-secondary);
}

.chat-send-btn:disabled {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: not-allowed;
}

/* Scrollbar styling for chat */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chat-widget {
        width: 100%;
        height: 85vh;
        max-height: 85vh;
        bottom: 0;
        right: 0;
        border-radius: 20px 20px 0 0;
        transform: translateY(100%);
    }

    .chat-widget.active {
        transform: translateY(0);
    }

    .chat-fab {
        bottom: 20px;
        right: 20px;
    }
}