/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1f3a;
    --bg-card: #1e2338;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --accent-blue: #007bff;
    --accent-green: #28a745;
    --accent-red: #dc3545;
    --accent-yellow: #ffc107;
    --accent-purple: #6f42c1;
    --border-color: #2d3748;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* ==================== 统计卡片 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.stat-balance .stat-icon {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.stat-today .stat-icon {
    background: linear-gradient(135deg, #ffc107, #ff9800);
}

.stat-total .stat-icon {
    background: linear-gradient(135deg, #007bff, #0056b3);
}

.stat-content {
    flex: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 900;
    color: var(--text-primary);
}

/* ==================== 功能按钮栏 ==================== */
.action-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, #17a2b8, #138496);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d, #5a6268);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ==================== 卡片样式 ==================== */
.card {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.card-header h3 {
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-bar {
    display: flex;
    gap: 10px;
}

.filter-bar select {
    padding: 8px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

/* ==================== 表格样式 ==================== */
.table-wrapper {
    overflow-x: auto;
}

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

thead {
    background: var(--bg-secondary);
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

tr:hover {
    background: rgba(255,255,255,0.05);
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
    border: 1px solid #28a745;
}

.badge-danger {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    border: 1px solid #dc3545;
}

.category-tag {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.category-美国股票 {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
}

.category-美国兼职 {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.category-投放项目 {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
}

.category-其他 {
    background: rgba(108, 117, 125, 0.2);
    color: #6c757d;
}

.amount-in {
    color: #28a745;
    font-weight: 700;
}

.amount-out {
    color: #dc3545;
    font-weight: 700;
}

/* ==================== 弹窗样式 ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    border: 2px solid var(--accent-blue);
    box-shadow: 0 10px 50px rgba(0,0,0,0.5);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 15px 15px 0 0;
}

.modal-header h3 {
    color: white;
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 24px;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-close:hover {
    background: rgba(255,255,255,0.3);
    transform: rotate(90deg);
}

.modal-body {
    padding: 25px;
}

/* ==================== 标签页 ==================== */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 12px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.tab-content {
    display: none;
}

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

.chart-container {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 10px;
    margin-top: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

/* ==================== 错误页面 ==================== */
.error-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.error-content {
    text-align: center;
    background: var(--bg-card);
    padding: 60px 40px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.error-content i {
    font-size: 64px;
    color: var(--accent-red);
    margin-bottom: 20px;
}

.error-content h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.error-content p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .action-bar {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    table {
        font-size: 12px;
    }
    
    th, td {
        padding: 10px 8px;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
}

/* ==================== 动画效果 ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card {
    animation: fadeIn 0.5s ease;
}

.stat-card:nth-child(2) {
    animation-delay: 0.1s;
}

.stat-card:nth-child(3) {
    animation-delay: 0.2s;
}

/* ==================== 新增优化样式 ==================== */

/* 搜索框样式 */
.search-box-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    z-index: 1;
}

.search-input {
    padding: 10px 15px 10px 35px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    width: 280px;
    transition: all 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
    width: 320px;
}

.search-input::placeholder {
    color: var(--text-secondary);
}

/* 表格信息栏 */
.table-info-bar {
    padding: 12px 0;
    color: var(--text-secondary);
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.table-info-bar strong {
    color: var(--accent-blue);
    font-weight: 700;
}

/* 表格斑马纹 */
tbody tr:nth-child(even) {
    background: rgba(255,255,255,0.02);
}

tbody tr:nth-child(odd) {
    background: transparent;
}

tbody tr:hover {
    background: rgba(255,255,255,0.08) !important;
    transform: scale(1.01);
    transition: all 0.2s;
}

/* 可排序表头 */
.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: all 0.3s;
}

.sortable:hover {
    background: rgba(255,255,255,0.05);
    color: var(--accent-blue);
}

.sortable i {
    font-size: 10px;
    margin-left: 5px;
    opacity: 0.5;
    transition: all 0.3s;
}

.sortable:hover i {
    opacity: 1;
    color: var(--accent-blue);
}

.sortable.asc i::before {
    content: "\f0de";
}

.sortable.desc i::before {
    content: "\f0dd";
}

/* 优化表格间距和字体 */
td {
    padding: 18px 15px;
    line-height: 1.6;
    font-size: 14px;
}

th {
    padding: 18px 15px;
    font-size: 14px;
    letter-spacing: 0.5px;
}

/* 优化金额显示 */
.amount-in, .amount-out {
    font-size: 15px;
    letter-spacing: 0.5px;
}

.formatted-amount, .formatted-number {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

/* 空状态提示 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 16px;
    margin-top: 10px;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 优化筛选栏布局 */
.filter-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-bar select {
    padding: 10px 15px;
    min-width: 140px;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .search-input {
        width: 100%;
        max-width: 100%;
    }
    
    .search-input:focus {
        width: 100%;
    }
    
    .filter-bar {
        flex-direction: column;
        width: 100%;
    }
    
    .filter-bar select,
    .search-box-wrapper {
        width: 100%;
    }
    
    .table-info-bar {
        font-size: 12px;
    }
}