/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

:root {
    --primary-color: #00a8ff;
    --primary-light: #33bbff;
    --primary-dark: #0076b3;
    --accent-color: #7b19ff;
    --text-color: #e6e6e6;
    --light-text: #a0a0a0;
    --bg-color: #0f1923;
    --card-bg: #1a2530;
    --border-color: #2a3a4a;
    --shadow-color: rgba(0, 168, 255, 0.2);
    --success-color: #00e676;
    --warning-color: #ffb700;
    --danger-color: #ff3d71;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
.header {
    background-color: var(--card-bg);
    box-shadow: 0 2px 10px var(--shadow-color);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 1px 1px 2px var(--shadow-color);
}

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

.user-info span {
    margin-right: 15px;
    color: var(--light-text);
}

.logout-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    font-weight: 500;
}

.logout-btn:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 2px 8px var(--shadow-color);
    transform: translateY(-2px);
}

/* 侧边栏样式 */
.sidebar {
    position: fixed;
    width: 220px;
    height: 100%;
    background-color: rgba(15, 25, 35, 0.95);
    padding-top: 80px;
    color: var(--text-color);
    overflow-y: auto;
    box-shadow: 2px 0 15px rgba(0, 0, 0, 0.5);
    border-right: 1px solid var(--border-color);
    transition: all 0.3s ease;
    z-index: 100;
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    opacity: 0.7;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 5px;
    position: relative;
}

.sidebar-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 14px;
    border-left: 3px solid transparent;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: all 0.3s;
}

.sidebar-menu a:hover::before, .sidebar-menu a.active::before {
    opacity: 1;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background-color: rgba(0, 168, 255, 0.1);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

/* 主要内容区域 */
.main-content {
    margin-left: 220px;
    padding: 80px 20px 20px;
    min-height: 100vh;
    transition: all 0.3s ease;
}

.page-title {
    margin-bottom: 25px;
    color: var(--primary-dark);
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 10px;
    font-size: 24px;
    font-weight: 600;
}

/* 卡片样式 */
.card {
    background-color: var(--card-bg);
    border-radius: 5px;
    box-shadow: 0 5px 15px var(--shadow-color);
    margin-bottom: 25px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--primary-light);
}

.card-title {
    margin: 0;
    font-size: 18px;
    color: var(--primary-dark);
    font-weight: 600;
}

.card-body {
    padding: 25px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary-dark);
    font-size: 15px;
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s;
    background-color: #fff;
}

.form-control:hover {
    border-color: var(--primary-color);
}

.form-control:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 133, 162, 0.25);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -10px;
    margin-left: -10px;
}

.form-col {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 10px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: none;
    border-radius: 3px;
    transition: all 0.3s;
    height: auto;
    line-height: 1.5;
    text-decoration: none;
    box-shadow: 0 0 10px rgba(0, 168, 255, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: all 0.5s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #6bdb34;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #ff7875;
}

.btn-secondary {
    background-color: #f5f5f5;
    color: var(--light-text);
}

.btn-secondary:hover {
    background-color: #e0e0e0;
    color: var(--primary-color);
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    overflow: hidden;
    background-color: rgba(26, 37, 48, 0.7);
}

.table th, .table td {
    padding: 12px 10px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table th {
    background-color: rgba(0, 168, 255, 0.2);
    font-weight: 600;
    color: var(--primary-color);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 13px;
}

.table tr:nth-child(even) {
    background-color: rgba(42, 58, 74, 0.4);
}

.table tr:hover {
    background-color: rgba(0, 168, 255, 0.1);
}

.table a {
    color: var(--primary-dark);
    text-decoration: none;
}

.table a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* 状态标签样式 */
.status-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
    line-height: 20px;
}

.status-success {
    background-color: #f6ffed;
    color: var(--success-color);
    border: 1px solid #b7eb8f;
}

.status-pending {
    background-color: #fffbe6;
    color: var(--warning-color);
    border: 1px solid #ffe58f;
}

.status-failed {
    background-color: #fff1f0;
    color: var(--danger-color);
    border: 1px solid #ffa39e;
}

.status-processing {
    background-color: #e6f7ff;
    color: #1890ff;
    border: 1px solid #91d5ff;
}

/* 金额样式 */
.amount {
    font-weight: 600;
    color: var(--accent-color);
}

.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

/* 操作按钮样式 */
.action-btn {
    padding: 5px 12px;
    font-size: 12px;
    margin: 0 3px;
    height: auto;
    line-height: 1.5;
    border-radius: 15px;
}

/* 搜索区域 */
.search-area {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
}

/* 统计卡片 */
.stats-container {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px 25px;
}

.stat-card {
    flex: 1;
    min-width: 200px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 5px 15px var(--shadow-color);
    padding: 25px;
    margin: 0 10px 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 600;
    margin: 15px 0;
    color: var(--primary-dark);
}

.stat-card .stat-title {
    font-size: 16px;
    color: var(--light-text);
    font-weight: 500;
}

.stat-card.primary {
    border-top: 3px solid var(--primary-color);
}

.stat-card.success {
    border-top: 3px solid var(--success-color);
}

.stat-card.danger {
    border-top: 3px solid var(--danger-color);
}

.stat-card.warning {
    border-top: 3px solid var(--warning-color);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin: 25px 0;
}

.pagination a {
    color: var(--light-text);
    padding: 8px 15px;
    text-decoration: none;
    transition: all 0.3s;
    border: 1px solid var(--border-color);
    margin: 0 5px;
    font-size: 14px;
    border-radius: 20px;
}

.pagination a.active {
    background-color: var(--primary-color);
    color: white;
    border: 1px solid var(--primary-color);
}

.pagination a:hover:not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: var(--primary-light);
}

.pagination a.disabled {
    color: #d9d9d9;
    pointer-events: none;
    border-color: #f5f5f5;
}

/* 提示框样式 */
.alert {
    padding: 15px 20px;
    margin-bottom: 25px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 15px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.alert-success {
    color: var(--success-color);
    background-color: #f6ffed;
    border-color: #b7eb8f;
}

.alert-danger {
    color: var(--danger-color);
    background-color: #fff1f0;
    border-color: #ffa39e;
}

/* 登录页面样式 */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #0f1923 0%, #1a2530 100%);
    background-size: cover;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M0 50 L100 50" stroke="rgba(0,168,255,0.1)" stroke-width="0.5"/><path d="M50 0 L50 100" stroke="rgba(0,168,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
    z-index: 0;
}

.login-form {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background-color: var(--card-bg);
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(0, 168, 255, 0.3), 0 0 60px rgba(123, 25, 255, 0.1);
    border: 1px solid var(--border-color);
    animation: fadeIn 0.8s ease;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(5px);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-form h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 28px;
}

.login-form .form-group {
    margin-bottom: 25px;
}

.login-form .btn {
    width: 100%;
    padding: 12px;
    height: auto;
    font-size: 16px;
    font-weight: 600;
}

/* 头像上传预览 */
.avatar-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 15px;
    border: 3px solid var(--primary-light);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 公告样式 */
.announcement-item {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.announcement-item:hover {
    background-color: #fff9fb;
}

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

.announcement-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.announcement-date {
    font-size: 12px;
    color: var(--light-text);
    margin-bottom: 12px;
}

.announcement-content {
    font-size: 15px;
    color: var(--text-color);
    line-height: 1.6;
}

/* 订单卡片样式 */
.order-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    background-color: var(--card-bg);
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease;
}

.order-card:hover {
    transform: translateY(-5px);
}

.order-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.order-id {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 16px;
}

.order-status {
    font-weight: normal;
}

.order-info {
    margin-bottom: 15px;
}

.order-info p {
    margin: 8px 0;
    font-size: 15px;
}

.order-actions {
    display: flex;
    justify-content: flex-end;
}

.order-actions .btn {
    margin-left: 10px;
}

/* 响应式设计 - 增强版 */
@media (max-width: 992px) {
    .form-col {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 15px;
    }
    
    .stat-card {
        flex: 0 0 calc(50% - 20px);
        min-width: calc(50% - 20px);
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 0;
        padding-top: 60px;
        z-index: 1001;
    }
    
    .sidebar.active {
        width: 220px;
    }
    
    .main-content {
        margin-left: 0;
        padding-top: 70px;
    }
    
    .mobile-menu-toggle {
        display: block;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 1002;
        background-color: var(--primary-color);
        color: white;
        border: none;
        border-radius: 5px;
        padding: 8px 12px;
        cursor: pointer;
    }
    
    .header-content {
        padding-left: 50px;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .user-info span {
        display: none;
    }
    
    .stats-container {
        flex-direction: column;
    }
    
    .stat-card {
        flex: 0 0 100%;
        min-width: 100%;
    }
    
    .table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 15px;
    }
    
    .form-control, .btn {
        font-size: 14px;
    }
    
    .login-form {
        padding: 25px;
        margin: 0 15px;
    }
    
    .page-title {
        font-size: 20px;
    }
    
    .action-btn {
        padding: 4px 8px;
        font-size: 11px;
        margin: 2px 1px;
    }
}

/* 移动端菜单控制 */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

@media (min-width: 769px) {
    .mobile-menu-toggle, .mobile-menu-overlay {
        display: none !important;
    }
}

/* 无效反馈 */
.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 5px;
    font-size: 13px;
    color: var(--danger-color);
}

.is-invalid {
    border-color: var(--danger-color) !important;
}

/* 动画效果 */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.btn-primary:active {
    animation: pulse 0.3s ease;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f9f9f9;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}