/* 基层办公全能通 - DeepSeek风格样式文件 */

/* DeepSeek风格配色方案 */
:root {
    --primary-blue: #1a73e8;
    --primary-blue-light: #4285f4;
    --primary-blue-dark: #0d47a1;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f1f3f4;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-tertiary: #80868b;
    --border-color: #dadce0;
    --border-light: #e8eaed;
    --shadow-sm: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-md: 0 1px 3px rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
    --shadow-lg: 0 2px 6px rgba(60, 64, 67, 0.3), 0 8px 24px 4px rgba(60, 64, 67, 0.15);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    --font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 应用容器 */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 头部样式 */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
}

.version {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 0.125rem 0.5rem;
    border-radius: 12px;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

/* 按钮样式 */
.btn-icon {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    font-size: 1rem;
}

.btn-icon:hover {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: var(--primary-blue-light);
    box-shadow: var(--shadow-sm);
}

.btn-primary.large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.btn-back {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    padding: 0.5rem;
    transition: var(--transition);
}

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

/* 主内容区域 */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    width: 100%;
}

/* 界面切换 */
.interface-section {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.interface-section:first-child {
    display: block;
}

/* 欢迎区域 */
.welcome-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.welcome-card {
    text-align: center;
    max-width: 500px;
    padding: 3rem 2rem;
}

.welcome-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.welcome-card h2 {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.welcome-card p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.quick-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* DeepSeek风格聊天界面 */
.chat-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 1rem;
}

.chat-header h3 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
}

.chat-actions {
    display: flex;
    gap: 0.5rem;
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 70vh;
    max-height: 600px;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    background: var(--bg-primary);
    overflow: hidden;
}

.chat-messages {
    &::-webkit-scrollbar {
        width: 6px;
    }
    &::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 3px;
    }
    &::-webkit-scrollbar-thumb {
        background: #c1c1c1;
        border-radius: 3px;
    }
    &::-webkit-scrollbar-thumb:hover {
        background: #a8a8a8;
    }
    scroll-behavior: smooth;
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.welcome-message {
    margin-bottom: 1rem;
}

/* 消息气泡 */
.message-bubble {
    max-width: 85%;
    padding: 16px 20px;
    border-radius: 20px;
    margin-bottom: 16px;
    line-height: 1.5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: messageSlideIn 0.3s ease-out;
    display: flex;
    gap: 0.75rem;
    max-width: 100%;
    animation: slideIn 0.3s ease-out;
}

.message-bubble.assistant {
    border: 1px solid #e0e0e0;
    align-items: flex-start;
}

.message-bubble.user {
    background: linear-gradient(135deg, var(--primary-blue), #0d47a1);
    align-items: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.message-bubble.assistant .message-avatar {
    background: var(--primary-blue);
    color: white;
}

.message-bubble.user .message-avatar {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.message-content {
    max-width: 70%;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-xl);
    line-height: 1.5;
}

.message-bubble.assistant .message-content {
    background: var(--bg-secondary);
    border-top-left-radius: 4px;
}

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

.message-content p {
    margin-bottom: 0.5rem;
}

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

/* 聊天输入区域 */
.chat-input-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-light);
    padding: 1rem;
    background: var(--bg-primary);
}

.chat-form {
    position: relative;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 0.5rem;
    transition: var(--transition);
}

.input-wrapper:focus-within {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

#chat-input {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    flex: 1;
    border: none;
    outline: none;
    padding: 0.5rem;
    font-size: 0.875rem;
    background: transparent;
    color: var(--text-primary);
}

.send-button {
    &:disabled {
        background: #ccc;
        cursor: not-allowed;
        transform: none;
    }
    position: absolute;
    right: 8px;
    width: 40px;
    height: 40px;
    font-size: 18px;
    font-weight: bold;
    background: var(--primary-blue);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: white;
}

.send-button:hover {
    transform: scale(1.1);
    background: var(--primary-blue-light);
    transform: scale(1.05);
}

.send-icon {
    font-size: 0.875rem;
    font-weight: bold;
}

.input-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-align: center;
    margin-top: 0.5rem;
}

/* 设置界面 */
.settings-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 2rem 0;
}

.settings-form {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

/* 文档管理界面 */
.documents-container {
    padding: 2rem 0;
}

.document-list {
    display: grid;
    gap: 1rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-tertiary);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* 页脚 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    padding: 1.5rem 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .welcome-card {
        padding: 2rem 1rem;
    }
    
    .welcome-card h2 {
        font-size: 1.5rem;
    }
    
    .quick-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .chat-container {
        height: 60vh;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .settings-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 0.5rem;
    }
    
    .logo {
        font-size: 1.125rem;
    }
    
    .welcome-icon {
        font-size: 3rem;
    }
    
    .chat-header {
        padding: 0.75rem 0;
    }
    
    .chat-input-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
        padding: 0.75rem;
    }
}
@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}