/* 后台管理系统样式文件 */

/* 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;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* 后台导航栏 */
.admin-nav {
    background-color: #2c3e50;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 1000;
}

.admin-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 左侧系统信息 */
.admin-nav-left {
    display: flex;
    align-items: baseline;
}

.admin-nav-title {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    color: #3498db;
}

.admin-nav-subtitle {
    font-size: 14px;
    margin-left: 15px;
    color: #bdc3c7;
}

/* 右侧用户信息 */
.admin-nav-right {
    display: flex;
    align-items: center;
}

.admin-user-info {
    display: flex;
    align-items: center;
}

.admin-user-role {
    font-size: 14px;
    margin-right: 20px;
    color: #ecf0f1;
}

.admin-logout-btn {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    background-color: #e74c3c;
    color: #ffffff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.admin-logout-btn:hover {
    background-color: #c0392b;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.logout-icon {
    margin-right: 5px;
    font-size: 16px;
}

/* 导航菜单 */
.admin-nav-menu {
    background-color: #34495e;
    border-top: 1px solid #3a536b;
}

.admin-nav-menu-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.admin-nav-menu-list {
    display: flex;
    list-style: none;
}

.admin-nav-menu-item {
    margin-right: 2px;
}

.admin-nav-menu-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #ecf0f1;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.admin-nav-menu-link:hover {
    background-color: #2c3e50;
    color: #3498db;
}

.admin-nav-menu-link.active {
    background-color: #2c3e50;
    color: #3498db;
    border-bottom-color: #3498db;
}

.menu-icon {
    margin-right: 8px;
    font-size: 16px;
}

/* 后台容器 */
.admin-container {
    max-width: 1400px;
    margin: 30px auto;
    padding: 0 30px;
}

.admin-content {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

/* 标题样式 */
.admin-section-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2c3e50;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

/* 按钮样式 */
.admin-btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.admin-btn-primary {
    background-color: #3498db;
    color: #ffffff;
}

.admin-btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.admin-btn-secondary {
    background-color: #95a5a6;
    color: #ffffff;
}

.admin-btn-secondary:hover {
    background-color: #7f8c8d;
}

.admin-btn-danger {
    background-color: #e74c3c;
    color: #ffffff;
}

.admin-btn-danger:hover {
    background-color: #c0392b;
}

/* 表单样式 */
.admin-form {
    max-width: 800px;
}

.admin-form-group {
    margin-bottom: 20px;
}

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

.admin-form-input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.admin-form-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.admin-form-textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    resize: vertical;
    min-height: 100px;
    transition: border-color 0.3s ease;
}

.admin-form-textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* 消息提示 */
.admin-message {
    padding: 12px 20px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-weight: 500;
}

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

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

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

/* 加载动画 */
.admin-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 模态框样式 */
.admin-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.admin-modal-content {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.admin-modal-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-modal-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: #2c3e50;
}

.admin-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #95a5a6;
    padding: 0;
    line-height: 1;
}

.admin-modal-close:hover {
    color: #34495e;
}

.admin-modal-body {
    padding: 20px;
}

.admin-modal-footer {
    padding: 20px;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 登录页面样式 */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.login-container h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #2c3e50;
    text-align: center;
}

.login-form .form-group {
    margin-bottom: 20px;
}

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

.login-form .form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.login-form .form-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.login-form input[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-form input[type="submit"]:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.login-info {
    margin-top: 20px;
    text-align: center;
    color: #7f8c8d;
    font-size: 14px;
}

/* 页脚管理样式 */
.footer-manage-container {
    max-width: 1000px;
    margin: 30px auto;
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.footer-manage-container h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #2c3e50;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.tab-container {
    margin-bottom: 30px;
    border-bottom: 1px solid #ddd;
}

.tab {
    display: inline-block;
    padding: 12px 24px;
    margin-right: 5px;
    background: #f1f1f1;
    border: 1px solid #ddd;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tab:hover {
    background: #e6e6e6;
}

.tab.active {
    background: #fff;
    border-bottom: 1px solid #fff;
    color: #3498db;
    box-shadow: 0 -2px 0 #3498db;
}

.tab-content {
    display: none;
    padding: 30px;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0 0 4px 4px;
    background: #f9f9f9;
}

.tab-content.active {
    display: block;
}

.link-item {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 15px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.link-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.link-item input {
    flex: 1;
    margin: 0 10px;
}

/* 日历管理样式 */
.calendar-container {
    margin-top: 30px;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
}

.calendar-nav {
    display: flex;
    gap: 10px;
}

.nav-btn {
    padding: 8px 16px;
    background-color: #3498db;
    color: #ffffff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background-color: #2980b9;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background-color: #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}

.calendar-header-day {
    background-color: #34495e;
    color: #ffffff;
    padding: 12px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
}

.calendar-day {
    background-color: #ffffff;
    padding: 12px;
    min-height: 120px;
    position: relative;
    transition: all 0.3s ease;
}

.calendar-day:hover {
    background-color: #f5f7fa;
}

.calendar-day.today {
    background-color: #e3f2fd;
    border: 2px solid #2196f3;
}

.calendar-day.other-month {
    background-color: #f0f0f0;
    color: #999;
}

.day-number {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.holiday-name {
    font-size: 12px;
    color: #e74c3c;
    margin-bottom: 8px;
}

.events {
    margin-top: 8px;
}

.event {
    padding: 4px 8px;
    background-color: #3498db;
    color: #ffffff;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.event:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .admin-nav-container {
        padding: 10px 20px;
    }
    
    .admin-nav-title {
        font-size: 20px;
    }
    
    .admin-nav-subtitle {
        font-size: 12px;
        margin-left: 10px;
    }
    
    .admin-user-role {
        font-size: 12px;
        margin-right: 10px;
    }
    
    .admin-logout-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .admin-nav-menu-container {
        padding: 0 20px;
    }
    
    .admin-nav-menu-link {
        padding: 10px 15px;
        font-size: 12px;
    }
    
    .admin-container {
        margin: 20px;
        padding: 0;
    }
    
    .admin-content {
        padding: 20px;
    }
    
    .login-container {
        margin: 50px 20px;
        padding: 30px;
    }
    
    .login-container h2 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .footer-manage-container {
        margin: 20px;
        padding: 20px;
    }
    
    .footer-manage-container h1 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .tab {
        padding: 10px 16px;
        font-size: 12px;
    }
    
    .tab-content {
        padding: 20px;
    }
    
    .link-item {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .link-item input {
        margin: 0;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .calendar-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .calendar-nav {
        width: 100%;
        justify-content: space-between;
    }
    
    .calendar-day {
        min-height: 100px;
        padding: 8px;
    }
    
    .admin-modal-content {
        width: 90%;
        margin: 20% auto;
    }
}