* {
    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: #f0f2f5;
    color: #333;
    overflow: hidden;
}

/* 布局 */
.layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* 侧边栏 */
.sidebar {
    width: 200px;
    background: #001529;
    color: white;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.logo {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.menu {
    flex: 1;
    padding: 16px 0;
}

.menu-item {
    padding: 12px 24px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.65);
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.menu-item.active {
    background: #1890ff;
    color: white;
}

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

/* 主内容区 */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* 顶部导航栏 */
.navbar {
    height: 64px;
    background: white;
    box-shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

.breadcrumb {
    font-size: 16px;
    font-weight: 500;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #52c41a;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 内容区 */
.content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* 卡片 */
.card {
    background: white;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 16px;
    font-weight: 500;
}

.card-body {
    padding: 24px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    border-left: 3px solid #1890ff;
}

.stat-card:nth-child(2) {
    border-left-color: #52c41a;
}

.stat-card:nth-child(3) {
    border-left-color: #faad14;
}

.stat-card:nth-child(4) {
    border-left-color: #f5222d;
}

.stat-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 30px;
    font-weight: 600;
    color: #333;
}

/* 表单 */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #333;
}

.form-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 2px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.form-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 2px;
    font-size: 14px;
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.form-textarea:focus {
    outline: none;
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

/* 按钮 */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 2px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: #1890ff;
    color: white;
}

.btn-primary:hover {
    background: #40a9ff;
}

.btn-success {
    background: #52c41a;
    color: white;
}

.btn-success:hover {
    background: #73d13d;
}

.btn-danger {
    background: #ff4d4f;
    color: white;
}

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

.btn-warning {
    background: #faad14;
    color: white;
}

.btn-warning:hover {
    background: #ffc53d;
}

.btn-group {
    display: flex;
    gap: 12px;
}

/* 表格 */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background: #fafafa;
    padding: 12px 16px;
    text-align: left;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    border-bottom: 1px solid #f0f0f0;
}

.table td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
}

.table tr:hover {
    background: #fafafa;
}

.table-url {
    color: #1890ff;
    text-decoration: none;
    max-width: 400px;
    display: inline-block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.table-url:hover {
    text-decoration: underline;
}

/* Toast提示 */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    padding: 16px 24px;
    border-radius: 2px;
    color: white;
    font-size: 14px;
    z-index: 1000;
    min-width: 300px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideIn 0.3s ease;
}

.toast-success {
    background: #52c41a;
}

.toast-error {
    background: #ff4d4f;
}

.toast-info {
    background: #1890ff;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 48px;
    color: #999;
}