/* 邮件样式专用CSS文件 */

:root {
    /* 颜色变量 */
    --email-bg-color: #ffffff;
    --email-border-color: #e0e0e0;
    --email-text-color: #333333;
    --email-header-bg: #f7f7f7;
    --email-link-color: #1a73e8;
    --email-hover-color: #f0f0f0;
    
    /* 尺寸变量 */
    --email-border-radius: 8px;
    --email-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --email-padding: 20px;
}

/* 邮件容器 */
.email-container {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    box-shadow: var(--email-shadow);
    overflow: hidden;
}

/* 邮件头部 */
.email-header {
    padding: var(--email-padding);
    background-color: var(--email-header-bg);
    border-bottom: 1px solid var(--email-border-color);
}

.email-header h2 {
    margin: 0 0 15px 0;
    font-size: 1.4rem;
    color: var(--email-text-color);
}

.email-metadata {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 10px;
    font-size: 0.95rem;
    color: #555;
}

/* 邮件正文 */
.email-body {
    padding: var(--email-padding);
    line-height: 1.6;
    color: var(--email-text-color);
}

.email-body p {
    margin-bottom: 15px;
}

/* 附件区域 */
.email-attachments {
    padding: 15px var(--email-padding);
    border-top: 1px solid var(--email-border-color);
    background-color: #fafafa;
}

.email-attachments h4 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1rem;
    color: #555;
}

.attachment-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.attachment-item {
    background-color: #f0f0f0;
    border-radius: 4px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    max-width: 220px;
}

.attachment-item a {
    color: var(--email-link-color);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-item a:hover {
    text-decoration: underline;
}

.attachment-preview {
    margin-top: 10px;
    max-width: 100%;
}

.attachment-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 4px;
    border: 1px solid #ddd;
}

/* 操作按钮 */
.email-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
}

.button-primary, .button-secondary {
    padding: 8px 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s;
}

.button-primary {
    background-color: var(--email-link-color);
    color: white;
}

.button-primary:hover {
    background-color: #1565c0;
}

.button-secondary {
    background-color: #f0f0f0;
    color: #333;
}

.button-secondary:hover {
    background-color: #e0e0e0;
}

/* 写邮件表单样式 */
.compose-form {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    box-shadow: var(--email-shadow);
    padding: var(--email-padding);
}

.compose-form h2 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--email-text-color);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--email-border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
}

.form-help {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    color: #777;
}

/* 表单错误样式 */
.field-error {
    color: #d32f2f;
    font-size: 0.85rem;
    margin-top: 5px;
}

input.has-error,
textarea.has-error,
select.has-error {
    border-color: #d32f2f;
    background-color: #fff8f8;
}

/* 附件预览区域 */
#attachment-preview {
    margin-top: 10px;
}

#attachment-preview .preview-list {
    list-style: none;
    padding: 0;
    margin: 8px 0 0 0;
}

#attachment-preview .preview-list li {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    padding: 8px;
    background-color: #f5f5f5;
    border-radius: 4px;
}

#attachment-preview .file-info {
    flex: 1;
}

#attachment-preview .file-name {
    display: block;
    font-weight: 500;
    margin-bottom: 2px;
}

#attachment-preview .file-size {
    font-size: 0.8rem;
    color: #666;
}

#attachment-preview .img-preview {
    margin-top: 5px;
}

#attachment-preview .img-preview img {
    max-width: 100px;
    max-height: 60px;
    border-radius: 2px;
    border: 1px solid #ddd;
}

/* 页面标题和描述 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.page-header h2 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--email-text-color);
}

.page-description {
    margin-bottom: 25px;
    color: #666;
}

/* 联系人列表 */
.contact-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    text-decoration: none;
    color: var(--email-text-color);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--email-shadow);
    background-color: var(--email-hover-color);
}

.contact-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #2196f3;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-info {
    flex-grow: 1;
}

.contact-info h3 {
    margin: 0 0 5px 0;
    font-size: 1.1rem;
}

.contact-last-time {
    margin: 0;
    font-size: 0.85rem;
    color: #777;
}

.unread-badge {
    background-color: #e41e3f;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    position: absolute;
    top: -8px;
    right: -8px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    margin: 30px auto;
    max-width: 450px;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.empty-state h3 {
    margin: 0 0 10px 0;
    color: #555;
}

.empty-state p {
    margin: 0 0 20px 0;
    color: #777;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .email-container, .compose-form {
        margin: 10px;
        border-radius: 0;
    }
    
    .email-header, .email-body, .email-attachments {
        padding: 15px;
    }
    
    .email-metadata {
        grid-template-columns: 70px 1fr;
    }
    
    .email-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .button-primary, .button-secondary {
        width: 100%;
        text-align: center;
    }
    
    .contact-list {
        grid-template-columns: 1fr;
    }
}

/* 邮件容器 */
.email-container {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    box-shadow: var(--email-shadow);
    overflow: hidden;
}

/* 邮件头部 */
.email-header {
    padding: var(--email-padding);
    background-color: var(--email-header-bg);
    border-bottom: 1px solid var(--email-border-color);
}

.email-header h2 {
    margin: 0 0 15px 0;
    font-size: 1.4rem;
    color: var(--email-text-color);
}

.email-metadata {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 10px;
    font-size: 0.95rem;
    color: #555;
}

/* 邮件正文 */
.email-body {
    padding: var(--email-padding);
    line-height: 1.6;
    color: var(--email-text-color);
}

.email-body p {
    margin-bottom: 15px;
}

/* 附件区域 */
.email-attachments {
    padding: 15px var(--email-padding);
    border-top: 1px solid var(--email-border-color);
    background-color: #fafafa;
}

.email-attachments h4 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1rem;
    color: #555;
}

.attachment-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.attachment-item {
    background-color: #f0f0f0;
    border-radius: 4px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    max-width: 220px;
}

.attachment-item a {
    color: var(--email-link-color);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-item a:hover {
    text-decoration: underline;
}

.attachment-preview {
    margin-top: 10px;
    max-width: 100%;
}

.attachment-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 4px;
    border: 1px solid #ddd;
}

/* 操作按钮 */
.email-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
}

.button-primary, .button-secondary {
    padding: 8px 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s;
}

.button-primary {
    background-color: var(--email-link-color);
    color: white;
}

.button-primary:hover {
    background-color: #1565c0;
}

.button-secondary {
    background-color: #f0f0f0;
    color: #333;
}

.button-secondary:hover {
    background-color: #e0e0e0;
}

/* 写邮件表单样式 */
.compose-form {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    box-shadow: var(--email-shadow);
    padding: var(--email-padding);
}

.compose-form h2 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--email-text-color);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--email-border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
}

.form-help {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    color: #777;
}

/* 表单错误样式 */
.field-error {
    color: #d32f2f;
    font-size: 0.85rem;
    margin-top: 5px;
}

input.has-error,
textarea.has-error,
select.has-error {
    border-color: #d32f2f;
    background-color: #fff8f8;
}

/* 附件预览区域 */
#attachment-preview {
    margin-top: 10px;
}

#attachment-preview .preview-list {
    list-style: none;
    padding: 0;
    margin: 8px 0 0 0;
}

#attachment-preview .preview-list li {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    padding: 8px;
    background-color: #f5f5f5;
    border-radius: 4px;
}

#attachment-preview .file-info {
    flex: 1;
}

#attachment-preview .file-name {
    display: block;
    font-weight: 500;
    margin-bottom: 2px;
}

#attachment-preview .file-size {
    font-size: 0.8rem;
    color: #666;
}

#attachment-preview .img-preview {
    margin-top: 5px;
}

#attachment-preview .img-preview img {
    max-width: 100px;
    max-height: 60px;
    border-radius: 2px;
    border: 1px solid #ddd;
}

/* 页面标题和描述 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.page-header h2 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--email-text-color);
}

.page-description {
    margin-bottom: 25px;
    color: #666;
}

/* 联系人列表 */
.contact-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    text-decoration: none;
    color: var(--email-text-color);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--email-shadow);
    background-color: var(--email-hover-color);
}

.contact-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #2196f3;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-info {
    flex-grow: 1;
}

.contact-info h3 {
    margin: 0 0 5px 0;
    font-size: 1.1rem;
}

.contact-last-time {
    margin: 0;
    font-size: 0.85rem;
    color: #777;
}

.unread-badge {
    background-color: #e41e3f;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    position: absolute;
    top: -8px;
    right: -8px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    margin: 30px auto;
    max-width: 450px;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.empty-state h3 {
    margin: 0 0 10px 0;
    color: #555;
}

.empty-state p {
    margin: 0 0 20px 0;
    color: #777;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .email-container, .compose-form {
        margin: 10px;
        border-radius: 0;
    }
    
    .email-header, .email-body, .email-attachments {
        padding: 15px;
    }
    
    .email-metadata {
        grid-template-columns: 70px 1fr;
    }
    
    .email-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .button-primary, .button-secondary {
        width: 100%;
        text-align: center;
    }
    
    .contact-list {
        grid-template-columns: 1fr;
    }
}

/* 邮件容器 */
.email-container {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    box-shadow: var(--email-shadow);
    overflow: hidden;
}

/* 邮件头部 */
.email-header {
    padding: var(--email-padding);
    background-color: var(--email-header-bg);
    border-bottom: 1px solid var(--email-border-color);
}

.email-header h2 {
    margin: 0 0 15px 0;
    font-size: 1.4rem;
    color: var(--email-text-color);
}

.email-metadata {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 10px;
    font-size: 0.95rem;
    color: #555;
}

/* 邮件正文 */
.email-body {
    padding: var(--email-padding);
    line-height: 1.6;
    color: var(--email-text-color);
}

.email-body p {
    margin-bottom: 15px;
}

/* 附件区域 */
.email-attachments {
    padding: 15px var(--email-padding);
    border-top: 1px solid var(--email-border-color);
    background-color: #fafafa;
}

.email-attachments h4 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1rem;
    color: #555;
}

.attachment-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.attachment-item {
    background-color: #f0f0f0;
    border-radius: 4px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    max-width: 220px;
}

.attachment-item a {
    color: var(--email-link-color);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-item a:hover {
    text-decoration: underline;
}

.attachment-preview {
    margin-top: 10px;
    max-width: 100%;
}

.attachment-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 4px;
    border: 1px solid #ddd;
}

/* 操作按钮 */
.email-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
}

.button-primary, .button-secondary {
    padding: 8px 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s;
}

.button-primary {
    background-color: var(--email-link-color);
    color: white;
}

.button-primary:hover {
    background-color: #1565c0;
}

.button-secondary {
    background-color: #f0f0f0;
    color: #333;
}

.button-secondary:hover {
    background-color: #e0e0e0;
}

/* 写邮件表单样式 */
.compose-form {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    box-shadow: var(--email-shadow);
    padding: var(--email-padding);
}

.compose-form h2 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--email-text-color);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--email-border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
}

.form-help {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    color: #777;
}

/* 表单错误样式 */
.field-error {
    color: #d32f2f;
    font-size: 0.85rem;
    margin-top: 5px;
}

input.has-error,
textarea.has-error,
select.has-error {
    border-color: #d32f2f;
    background-color: #fff8f8;
}

/* 附件预览区域 */
#attachment-preview {
    margin-top: 10px;
}

#attachment-preview .preview-list {
    list-style: none;
    padding: 0;
    margin: 8px 0 0 0;
}

#attachment-preview .preview-list li {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    padding: 8px;
    background-color: #f5f5f5;
    border-radius: 4px;
}

#attachment-preview .file-info {
    flex: 1;
}

#attachment-preview .file-name {
    display: block;
    font-weight: 500;
    margin-bottom: 2px;
}

#attachment-preview .file-size {
    font-size: 0.8rem;
    color: #666;
}

#attachment-preview .img-preview {
    margin-top: 5px;
}

#attachment-preview .img-preview img {
    max-width: 100px;
    max-height: 60px;
    border-radius: 2px;
    border: 1px solid #ddd;
}

/* 页面标题和描述 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.page-header h2 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--email-text-color);
}

.page-description {
    margin-bottom: 25px;
    color: #666;
}

/* 联系人列表 */
.contact-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
    text-decoration: none;
    color: var(--email-text-color);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--email-shadow);
    background-color: var(--email-hover-color);
}

.contact-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #2196f3;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-info {
    flex-grow: 1;
}

.contact-info h3 {
    margin: 0 0 5px 0;
    font-size: 1.1rem;
}

.contact-last-time {
    margin: 0;
    font-size: 0.85rem;
    color: #777;
}

.unread-badge {
    background-color: #e41e3f;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    position: absolute;
    top: -8px;
    right: -8px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    margin: 30px auto;
    max-width: 450px;
    background-color: var(--email-bg-color);
    border: 1px solid var(--email-border-color);
    border-radius: var(--email-border-radius);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.empty-state h3 {
    margin: 0 0 10px 0;
    color: #555;
}

.empty-state p {
    margin: 0 0 20px 0;
    color: #777;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .email-container, .compose-form {
        margin: 10px;
        border-radius: 0;
    }
    
    .email-header, .email-body, .email-attachments {
        padding: 15px;
    }
    
    .email-metadata {
        grid-template-columns: 70px 1fr;
    }
    
    .email-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .button-primary, .button-secondary {
        width: 100%;
        text-align: center;
    }
    
    .contact-list {
        grid-template-columns: 1fr;
    }
}