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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
}

/* 登录页面样式 */
.admin-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: #fff;
    font-size: 28px;
    margin-bottom: 5px;
}

.login-header p {
    color: #ccc;
    font-size: 16px;
}

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

.login-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #fff;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #ccc;
    z-index: 2;
    pointer-events: none;
}

.input-group input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    transition: border-color 0.3s;
    position: relative;
    z-index: 1;
}

.input-group input:focus {
    outline: none;
    border-color: #fff;
}

.input-group input::placeholder {
    color: #999;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #ccc;
    cursor: pointer;
    padding: 5px;
    z-index: 2;
}

.login-btn {
    width: 60px;
    height: 60px;
    background: #fff;
    color: #000;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.login-btn:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
}

.login-footer a {
    color: #ccc;
    text-decoration: none;
}

.login-footer a:hover {
    color: #fff;
    text-decoration: underline;
}

/* 后台管理布局 */
.admin-navbar {
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.admin-navbar .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.admin-navbar .nav-logo h1 {
    color: #fff;
    font-size: 20px;
}

.admin-navbar .nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.admin-info {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #ccc;
}

.logout-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.admin-main {
    margin-top: 60px;
    min-height: calc(100vh - 60px);
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 20px;
    padding: 20px;
}

/* 侧边栏 */
.admin-sidebar {
    width: 200px;
    flex-shrink: 0;
}

.sidebar-nav {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    text-decoration: none;
    color: #ccc;
    transition: all 0.3s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-item:last-child {
    border-bottom: none;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* 内容区域 */
.admin-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 20px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.content-header h2 {
    color: #fff;
    font-size: 24px;
}

.btn-primary {
    background: #fff;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: #ccc;
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.search-bar {
    position: relative;
    margin-bottom: 20px;
}

.search-bar input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.search-bar input::placeholder {
    color: #999;
}

.search-bar i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #ccc;
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.admin-table th,
.admin-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
}

.admin-table th {
    background: rgba(255, 255, 255, 0.1);
    font-weight: 600;
}

.admin-table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.cup-image-small {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
}

.action-buttons {
    display: flex;
    gap: 5px;
}

.btn-edit,
.btn-delete {
    padding: 5px 10px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s;
}

.btn-edit {
    background: #4caf50;
    color: white;
}

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

.btn-delete {
    background: #f44336;
    color: white;
}

.btn-delete:hover {
    background: #d32f2f;
}

/* 标签页 */
.tab-content {
    display: none;
}

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

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin: 5% auto;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h3 {
    margin: 0;
    color: #fff;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #ccc;
}

.close-btn:hover {
    color: #fff;
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
    padding: 0 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #fff;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.form-group select option {
    background: #000;
    color: #fff;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 图片预览 */
.image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.image-preview img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid #ddd;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
    }
    
    .sidebar-nav {
        display: flex;
        overflow-x: auto;
    }
    
    .nav-item {
        white-space: nowrap;
        border-bottom: none;
        border-right: 1px solid #eee;
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}