/**
 * AI功能组件样式
 */

/* ========================================
   AI对话悬浮按钮
   ======================================== */
.ai-chat-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background: var(--bg-glass, var(--bg-card));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 98;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.ai-chat-float:hover {
    transform: scale(1.1);
    border-color: var(--text-primary);
}

.ai-chat-float svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
}

.ai-chat-float.has-new::after {
    content: '';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 8px;
    height: 8px;
    background: #ff4444;
    border-radius: 50%;
}

/* ========================================
   AI对话窗口
   ======================================== */
.ai-chat-window {
    position: fixed;
    bottom: 110px;
    right: 40px;
    width: 380px;
    height: 520px;
    background: var(--bg-glass, var(--bg-card));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s;
    box-shadow: var(--shadow-lg);
}

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

.ai-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.ai-chat-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
}

.ai-chat-title svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
}

.ai-chat-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-gray);
}

.ai-chat-status.online::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.ai-chat-close {
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

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

.ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ai-chat-message {
    display: flex;
    gap: 12px;
    max-width: 85%;
}

.ai-chat-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.ai-chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.ai-chat-message.ai .ai-chat-avatar {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.ai-chat-message.user .ai-chat-avatar {
    background: var(--bg-hover);
    border: 1px solid var(--border);
}

.ai-chat-content {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.6;
}

.ai-chat-message.user .ai-chat-content {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.ai-chat-content p {
    margin: 0 0 8px;
}

.ai-chat-content p:last-child {
    margin-bottom: 0;
}

.ai-chat-content pre {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.85rem;
    margin: 8px 0;
}

.ai-chat-content code {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.85em;
}

.ai-chat-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
}

.ai-chat-typing span {
    width: 6px;
    height: 6px;
    background: var(--text-gray);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.ai-chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

.ai-chat-input-area {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
}

.ai-chat-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.9rem;
    border-radius: 8px;
    resize: none;
    max-height: 100px;
}

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

.ai-chat-send {
    width: 40px;
    height: 40px;
    background: var(--text-primary);
    border: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s;
}

.ai-chat-send:hover {
    opacity: 0.9;
}

.ai-chat-send svg {
    width: 18px;
    height: 18px;
    color: var(--bg-primary);
}

.ai-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 欢迎消息 */
.ai-chat-welcome {
    text-align: center;
    padding: 20px;
    color: var(--text-gray);
}

.ai-chat-welcome h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 500;
}

.ai-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
    justify-content: center;
}

.ai-chat-suggestion {
    padding: 6px 12px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 16px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.ai-chat-suggestion:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* ========================================
   AI设置面板
   ======================================== */
.ai-settings-section {
    margin-top: 32px;
}

.ai-settings-grid {
    display: grid;
    gap: 20px;
    margin-top: 20px;
}

.ai-status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-hover);
    border-radius: 4px;
    font-size: 0.85rem;
}

.ai-status-indicator.online {
    color: #4ade80;
}

.ai-status-indicator.offline {
    color: var(--text-gray);
}

.ai-status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.ai-status-indicator.online::before {
    animation: pulse 2s infinite;
}

/* ========================================
   AI工具按钮
   ======================================== */
.ai-tools-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.ai-tool-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 4px;
}

.ai-tool-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.ai-tool-btn svg {
    width: 16px;
    height: 16px;
}

.ai-tool-btn.loading {
    opacity: 0.6;
    cursor: wait;
}

/* 生成的标签 */
.ai-generated-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    padding: 12px;
    background: var(--bg-hover);
    border: 1px dashed var(--border);
    border-radius: 4px;
}

.ai-generated-tags .tag-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.ai-generated-tags .tag-item:hover {
    border-color: var(--text-primary);
}

.ai-generated-tags .tag-item.selected {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.ai-generated-tags .tag-item .add-icon {
    font-size: 0.75rem;
    opacity: 0.6;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 768px) {
    .ai-chat-float {
        bottom: 20px;
        right: 20px;
    }
    
    .ai-chat-window {
        width: calc(100vw - 40px);
        height: 60vh;
        right: 20px;
        bottom: 90px;
    }
}

/* ========================================
   侧边栏AI时政专家助手
   ======================================== */
.sidebar-ai-widget {
    border: 1px solid var(--border);
    overflow: hidden;
}

.sidebar-ai-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border);
}

.sidebar-ai-avatar {
    width: 44px;
    height: 44px;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.sidebar-ai-info {
    flex: 1;
}

.sidebar-ai-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.sidebar-ai-title {
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-top: 2px;
}

.sidebar-ai-messages {
    max-height: 200px;
    overflow-y: auto;
    padding: 12px;
    background: var(--bg-primary);
}

.sidebar-ai-welcome {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding: 8px;
    background: var(--bg-hover);
    border-radius: 8px;
}

.sidebar-ai-message {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    animation: fadeIn 0.3s;
}

.sidebar-ai-message.user {
    justify-content: flex-end;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.sidebar-ai-message-avatar {
    width: 28px;
    height: 28px;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.sidebar-ai-message-content {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: calc(100% - 40px);
}

.sidebar-ai-message-content.user {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.sidebar-ai-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
}

.sidebar-ai-chip {
    padding: 4px 10px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-ai-chip:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.sidebar-ai-input-area {
    display: flex;
    gap: 8px;
    padding: 12px;
    background: var(--bg-hover);
    border-top: 1px solid var(--border);
}

.sidebar-ai-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 0.85rem;
    border-radius: 6px;
}

.sidebar-ai-input:focus {
    outline: none;
    border-color: var(--text-primary);
}

.sidebar-ai-send {
    width: 36px;
    height: 36px;
    background: var(--text-primary);
    border: none;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s;
}

.sidebar-ai-send:hover {
    opacity: 0.9;
}

.sidebar-ai-send svg {
    width: 16px;
    height: 16px;
    color: var(--bg-primary);
}

/* 输入中动画 */
.typing-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--text-gray);
    border-radius: 50%;
    margin: 0 2px;
    animation: typingBounce 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

/* 移动端适配 */
@media (max-width: 900px) {
    .sidebar-ai-widget {
        margin-bottom: 20px;
    }
    
    .sidebar-ai-messages {
        max-height: 150px;
    }
}