/* ============================================
   AI NEXUS CHATBOT STYLES
   ============================================ */

.chatbot-container {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 380px;
    height: 550px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-2xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    z-index: 999;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--color-border);
}

.chatbot-container.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.chatbot-container.hidden {
    display: none;
}

/* Header */
.chatbot-header {
    background: var(--gradient-primary);
    padding: var(--space-5);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-header-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.chatbot-avatar {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-avatar svg {
    width: 24px;
    height: 24px;
}

.chatbot-header h3 {
    margin: 0;
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: white;
}

.chatbot-status {
    margin: 0;
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.chatbot-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #4caf50;
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.chatbot-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-base);
}

.chatbot-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chatbot-close-btn svg {
    width: 20px;
    height: 20px;
}

/* Messages Area */
.chatbot-messages {
    flex: 1;
    padding: var(--space-5);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    background: var(--color-bg-primary);
}

.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

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

.chatbot-messages::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.chatbot-message {
    max-width: 80%;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
    animation: messageSlideIn 0.3s ease-out;
}

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

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

.bot-message {
    align-self: flex-start;
    background: var(--glass-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.user-message {
    align-self: flex-end;
    background: var(--gradient-primary);
    color: white;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--space-4);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.7;
    }

    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Input Area */
.chatbot-input-container {
    padding: var(--space-5);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--space-3);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
}

#chatbot-input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    outline: none;
    transition: border-color var(--transition-base);
}

#chatbot-input:focus {
    border-color: var(--color-accent-primary);
}

#chatbot-send {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: white;
}

#chatbot-send:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

#chatbot-send svg {
    width: 20px;
    height: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .chatbot-container {
        width: calc(100vw - 40px);
        height: calc(100vh - 140px);
        right: 20px;
        bottom: 80px;
    }
}