/* 后台管理样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: #6c63ff;
    color: #fff;
    padding: 20px 0;
}

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

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

.btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: rgba(255,255,255,0.2);
    color: #fff;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s;
    cursor: pointer;
}

.btn:hover {
    background-color: rgba(255,255,255,0.3);
}

/* 主内容样式 */
main {
    padding: 40px 0;
}

.admin-section {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.admin-section h2 {
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 600;
    color: #6c63ff;
}

.admin-section h3 {
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
}

/* 表单样式 */
.admin-form {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #6c63ff;
    box-shadow: 0 0 0 2px rgba(108, 99, 255, 0.2);
}

.admin-form .btn {
    background-color: #6c63ff;
    margin-top: 10px;
}

.admin-form .btn:hover {
    background-color: #5a52d5;
}

/* 列表样式 */
.admin-list table {
    width: 100%;
    border-collapse: collapse;
}

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

.admin-list th {
    background-color: #f9f9f9;
    font-weight: 600;
}

.admin-list tr:hover {
    background-color: #f5f5f5;
}

.delete-btn {
    color: #ff4757;
    text-decoration: none;
    font-size: 14px;
}

.delete-btn:hover {
    text-decoration: underline;
}

/* 登录页面样式 */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

.login-header {
    background-color: #6c63ff;
    color: #fff;
    padding: 20px;
    text-align: center;
}

.login-header h1 {
    font-size: 20px;
    font-weight: 600;
}

.login-content {
    padding: 30px;
}

.error {
    background-color: #fee;
    border: 1px solid #fcc;
    color: #c00;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.login-content .btn {
    background-color: #6c63ff;
    width: 100%;
    margin-top: 20px;
}

/* 底部样式 */
footer {
    background-color: #fff;
    padding: 20px 0;
    margin-top: 40px;
    border-top: 1px solid #eee;
}

footer .container {
    text-align: center;
    font-size: 14px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .admin-section {
        padding: 20px;
    }
    
    .login-container {
        margin: 50px 20px;
    }
}