/**
 * LiteratureXpres AI Agent - Chat Widget Styles
 * All styles scoped to .lx-ai-chat-widget to prevent conflicts
 */

/* CSS Variables - scoped to widget container */
.lx-ai-chat-widget {
    --lx-primary: #6366f1;
    --lx-primary-dark: #4f46e5;
    --lx-primary-light: #818cf8;
    --lx-bg: #ffffff;
    --lx-bg-secondary: #f9fafb;
    --lx-text: #111827;
    --lx-text-secondary: #6b7280;
    --lx-border: #e5e7eb;
    --lx-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --lx-radius: 16px;
    --lx-radius-sm: 12px;
    --lx-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    position: fixed !important;
    z-index: 2147483646 !important; /* High z-index */
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    box-sizing: border-box !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
}

/* Reset box-sizing for all chat widget elements */
.lx-ai-chat-widget *,
.lx-ai-chat-widget *::before,
.lx-ai-chat-widget *::after {
    box-sizing: border-box !important;
}

/* Dark Theme */
.lx-ai-chat-widget[data-theme="dark"] {
    --lx-bg: #1f2937;
    --lx-bg-secondary: #111827;
    --lx-text: #f9fafb;
    --lx-text-secondary: #9ca3af;
    --lx-border: #374151;
}

/* Position */
.lx-ai-chat-widget[data-position="bottom-right"] {
    bottom: 24px;
    right: 24px;
}

.lx-ai-chat-widget[data-position="bottom-left"] {
    bottom: 24px;
    left: 24px;
}

/* Toggle Button */
.lx-ai-chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--lx-primary), var(--lx-primary-dark));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    transition: var(--lx-transition);
    position: relative;
    overflow: hidden;
}

.lx-ai-chat-toggle::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.lx-ai-chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.lx-ai-chat-toggle:hover::before {
    opacity: 1;
}

.lx-ai-chat-toggle svg {
    width: 28px;
    height: 28px;
    transition: var(--lx-transition);
}

.lx-ai-chat-toggle .icon-close {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

.lx-ai-chat-widget.open .lx-ai-chat-toggle .icon-chat {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

.lx-ai-chat-widget.open .lx-ai-chat-toggle .icon-close {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Chat Container */
.lx-ai-chat-container {
    position: absolute;
    bottom: 80px;
    width: 380px;
    max-width: calc(100vw - 48px);
    height: 600px;
    max-height: calc(100vh - 120px);
    background: var(--lx-bg);
    border-radius: var(--lx-radius);
    box-shadow: var(--lx-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: var(--lx-transition);
}

.lx-ai-chat-widget[data-position="bottom-right"] .lx-ai-chat-container {
    right: 0;
}

.lx-ai-chat-widget[data-position="bottom-left"] .lx-ai-chat-container {
    left: 0;
}

.lx-ai-chat-widget.open .lx-ai-chat-container {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Header */
.lx-ai-chat-header {
    background: linear-gradient(135deg, var(--lx-primary), var(--lx-primary-dark));
    color: white;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lx-ai-chat-header .header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lx-ai-chat-header .avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lx-ai-chat-header .avatar svg {
    width: 24px;
    height: 24px;
}

.lx-ai-chat-header .header-text {
    display: flex;
    flex-direction: column;
}

.lx-ai-chat-header .title {
    font-weight: 600;
    font-size: 16px;
}

.lx-ai-chat-header .status {
    font-size: 12px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 4px;
}

.lx-ai-chat-header .status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.lx-ai-chat-header .theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--lx-transition);
}

.lx-ai-chat-header .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lx-ai-chat-header .theme-toggle svg {
    width: 18px;
    height: 18px;
}

.lx-ai-chat-widget[data-theme="light"] .icon-moon,
.lx-ai-chat-widget[data-theme="dark"] .icon-sun {
    display: none;
}

/* Messages Area */
.lx-ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--lx-bg-secondary);
}

.lx-ai-chat-messages::-webkit-scrollbar {
    width: 6px;
}

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

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

/* Messages */
.message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: messageIn 0.3s ease-out;
}

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

.message.user {
    align-self: flex-end;
}

.message.assistant {
    align-self: flex-start;
}

.message-content {
    padding: 12px 16px;
    border-radius: var(--lx-radius-sm);
    word-wrap: break-word;
    white-space: pre-wrap;
}

.message.user .message-content {
    background: var(--lx-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.assistant .message-content {
    background: var(--lx-bg);
    color: var(--lx-text);
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.message-time {
    font-size: 11px;
    color: var(--lx-text-secondary);
    margin-top: 4px;
    padding: 0 4px;
}

.message.user .message-time {
    text-align: right;
}

/* Typing Indicator */
.lx-ai-typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: var(--lx-bg);
    border-radius: var(--lx-radius-sm);
    align-self: flex-start;
    margin: 0 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.lx-ai-typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--lx-text-secondary);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* Input Area */
.lx-ai-chat-input {
    padding: 16px 20px;
    background: var(--lx-bg);
    border-top: 1px solid var(--lx-border);
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.lx-ai-chat-input textarea {
    flex: 1;
    border: 1px solid var(--lx-border);
    border-radius: var(--lx-radius-sm);
    padding: 12px 16px;
    resize: none;
    background: var(--lx-bg-secondary);
    color: var(--lx-text);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    max-height: 120px;
    transition: var(--lx-transition);
}

.lx-ai-chat-input textarea:focus {
    outline: none;
    border-color: var(--lx-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.lx-ai-chat-input textarea::placeholder {
    color: var(--lx-text-secondary);
}

.lx-ai-chat-input .send-btn {
    width: 44px;
    height: 44px;
    background: var(--lx-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--lx-transition);
    flex-shrink: 0;
}

.lx-ai-chat-input .send-btn:hover {
    background: var(--lx-primary-dark);
    transform: scale(1.05);
}

.lx-ai-chat-input .send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.lx-ai-chat-input .send-btn svg {
    width: 20px;
    height: 20px;
}

/* Footer */
.lx-ai-chat-footer {
    padding: 8px 20px;
    text-align: center;
    font-size: 11px;
    color: var(--lx-text-secondary);
    background: var(--lx-bg);
    border-top: 1px solid var(--lx-border);
}

/* Error State */
.message.error .message-content {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* Mobile Responsive - only affects chat widget elements */
@media screen and (max-width: 480px) {
    .lx-ai-chat-widget.lx-ai-chat-widget {
        bottom: 16px !important;
        right: 16px !important;
        left: auto !important;
    }

    .lx-ai-chat-widget[data-position="bottom-left"].lx-ai-chat-widget {
        left: 16px !important;
        right: auto !important;
    }

    .lx-ai-chat-widget[data-position="bottom-right"].lx-ai-chat-widget {
        right: 16px !important;
        left: auto !important;
    }

    .lx-ai-chat-widget .lx-ai-chat-toggle {
        width: 56px !important;
        height: 56px !important;
        position: fixed !important;
        bottom: 16px !important;
        right: 16px !important;
    }

    .lx-ai-chat-widget .lx-ai-chat-container {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        height: calc(100vh - 80px) !important;
        max-height: none !important;
        max-width: none !important;
        border-radius: var(--lx-radius) var(--lx-radius) 0 0 !important;
    }

    .lx-ai-chat-widget.open .lx-ai-chat-toggle {
        display: none !important;
    }
}

/* Markdown Content Styles */
.message-content code {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
}

.message.user .message-content code {
    background: rgba(255, 255, 255, 0.2);
}

.message-content pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
}

.message-content pre code {
    background: transparent;
    padding: 0;
}

.message-content ul,
.message-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.message-content li {
    margin: 4px 0;
}

.message-content a {
    color: var(--lx-primary);
    text-decoration: underline;
}

.message.user .message-content a {
    color: white;
}