/* 梵米健康科普创作系统 - 全局样式 */

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #f5f7fa;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.header {
    background-color: #4CAF50;
    color: white;
    padding: 10px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
}

.header nav ul {
    list-style: none;
    display: flex;
}

.header nav ul li {
    margin-left: 20px;
}

.header nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

.header nav ul li a:hover {
    text-decoration: underline;
}

/* 主要内容区域 */
.main {
    padding: 40px 0;
    min-height: calc(100vh - 140px);
}

/* 卡片样式 */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    padding: 30px;
    margin-bottom: 20px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #4CAF50;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: #4CAF50;
    color: white;
}

.btn-primary:hover {
    background-color: #45a049;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* 登录页面样式 */
.login-container {
    max-width: 400px;
    margin: 0 auto;
}

.login-container .card {
    text-align: center;
}

.login-container h2 {
    margin-bottom: 20px;
    color: #333;
}

/* 创作者中心样式 */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    text-align: center;
}

.stat-card h3 {
    font-size: 18px;
    color: #666;
    margin-bottom: 10px;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 600;
    color: #4CAF50;
}

/* 作品列表样式 */
.works-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.works-table th,
.works-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.works-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #555;
}

.works-table tr:hover {
    background-color: #f5f5f5;
}

/* 作品提交页面样式 */
.media-upload {
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    margin-bottom: 20px;
}

.media-upload:hover {
    border-color: #4CAF50;
}

.media-upload input[type="file"] {
    display: none;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
    }
    
    .header nav ul {
        margin-top: 10px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .works-table {
        font-size: 14px;
    }
}

/* 消息提示样式 */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0,0,0,0.1);
    border-radius: 50%;
    border-top-color: #4CAF50;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}