* {
    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;
}

/* 应用容器 */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 顶部导航 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.app-title {
    font-size: 24px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-title i {
    font-size: 28px;
}

/* 用户角色选择器 */
.user-role-selector {
    margin-right: 15px;
}

.role-select {
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.role-select:focus {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.2);
}

.role-select option {
    background: #667eea;
    color: white;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s ease;
}

.user-avatar:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 主导航 */
.main-nav {
    background: white;
    border-bottom: 1px solid #e1e8ed;
    position: sticky;
    top: 70px;
    z-index: 99;
}

.nav-tabs {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-tab {
    flex: 1;
    padding: 15px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.nav-tab:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.nav-tab.active {
    color: #667eea;
    border-bottom-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.nav-tab i {
    font-size: 16px;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 表单样式 */
.form-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 30px;
    margin-bottom: 20px;
}

.form-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f2f5;
}

.form-section {
    margin-bottom: 30px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: #667eea;
    border-radius: 2px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: #555;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 文件上传 */
.upload-area {
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.upload-area:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.02);
}

.upload-area.dragover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.upload-content i {
    font-size: 48px;
    color: #667eea;
    margin-bottom: 15px;
}

.upload-content p {
    font-size: 16px;
    color: #333;
    margin-bottom: 5px;
}

.upload-hint {
    font-size: 14px;
    color: #999;
}

#file-input {
    display: none;
}

.file-list {
    margin-top: 20px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 10px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-icon {
    width: 40px;
    height: 40px;
    background: #667eea;
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.file-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.file-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.file-size {
    font-size: 12px;
    color: #999;
}

.file-remove {
    background: #ff4757;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.file-remove:hover {
    background: #ff3838;
}

/* 按钮样式 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5a6fd8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #f0f2f5;
}

/* 列表样式 */
.list-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 25px;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 20px;
}

.list-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.list-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 12px;
    color: #999;
}

.search-box input {
    padding: 8px 12px 8px 35px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 14px;
    width: 250px;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-box input:focus {
    border-color: #667eea;
}

.filter-buttons {
    display: flex;
    gap: 5px;
    background: #f0f2f5;
    padding: 3px;
    border-radius: 20px;
}

.filter-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    border-radius: 17px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
}

.filter-btn:hover {
    color: #667eea;
}

.filter-btn.active {
    background: white;
    color: #667eea;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 报销项目列表 */
.expense-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.expense-item {
    display: flex;
    align-items: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
    cursor: pointer;
}

.expense-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.expense-icon {
    width: 50px;
    height: 50px;
    background: #667eea;
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 20px;
}

.expense-info {
    flex: 1;
}

.expense-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.expense-meta {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: #666;
}

.expense-amount {
    font-size: 18px;
    font-weight: 600;
    color: #667eea;
}

.expense-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-approved {
    background: #d4edda;
    color: #155724;
}

.status-rejected {
    background: #f8d7da;
    color: #721c24;
}

/* 审批页面 */
.approval-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 25px;
}

.approval-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.approval-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.approval-stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
}

.stat-label {
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
}

.approval-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.approval-item {
    display: flex;
    align-items: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #ffc107;
}

.approval-info {
    flex: 1;
}

.approval-actions {
    display: flex;
    gap: 10px;
}

/* 报告页面 */
.report-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 25px;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.report-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.report-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.date-range {
    display: flex;
    align-items: center;
    gap: 10px;
}

.date-input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
}

.date-input:focus {
    border-color: #667eea;
}

/* 统计卡片 */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    display: flex;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-right: 15px;
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-desc {
    font-size: 14px;
    opacity: 0.9;
}

/* 图表容器 */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
}

.chart-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.chart-placeholder {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 8px;
}

/* 数据表格 */
.data-table-container {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.data-table-container h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #f0f2f5;
}

.data-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
    position: sticky;
    top: 0;
}

.data-table tr:hover {
    background: #f8f9fa;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #f0f2f5;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: #999;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: #f0f2f5;
    color: #333;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px 25px;
    border-top: 1px solid #f0f2f5;
}

/* 通知提示 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid #28a745;
}

.notification.error {
    border-left: 4px solid #dc3545;
}

.notification.warning {
    border-left: 4px solid #ffc107;
}

.notification.info {
    border-left: 4px solid #17a2b8;
}

.notification-icon {
    font-size: 20px;
}

.notification.success .notification-icon {
    color: #28a745;
}

.notification.error .notification-icon {
    color: #dc3545;
}

.notification.warning .notification-icon {
    color: #ffc107;
}

.notification.info .notification-icon {
    color: #17a2b8;
}

.notification-message {
    font-size: 14px;
    color: #333;
}

/* 角色权限提示 */
.permission-denied {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.permission-denied i {
    font-size: 64px;
    margin-bottom: 20px;
    color: #ddd;
}

.permission-denied h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.permission-denied p {
    font-size: 14px;
    margin-bottom: 20px;
}

.permission-denied .btn {
    margin-top: 10px;
}

/* 隐藏元素 */
.hidden {
    display: none !important;
}

/* 角色标识 */
.role-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    margin-left: 10px;
}

.role-store {
    background: #28a745;
    color: white;
}

.role-hq {
    background: #17a2b8;
    color: white;
}

.role-admin {
    background: #dc3545;
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        padding: 12px 15px;
    }
    
    .app-title {
        font-size: 20px;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .nav-tab {
        flex: 1 1 50%;
        min-width: 120px;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .form-container,
    .list-container,
    .approval-container,
    .report-container {
        padding: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .list-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .filter-buttons {
        width: 100%;
        justify-content: space-between;
    }
    
    .expense-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .expense-icon {
        margin-right: 0;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .report-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .report-actions {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .date-range {
        width: 100%;
        justify-content: space-between;
    }
    
    .approval-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .approval-stats {
        width: 100%;
        justify-content: space-around;
    }
    
    .approval-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .approval-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .notification {
        right: 10px;
        left: 10px;
        transform: translateY(-100px);
    }
    
    .notification.show {
        transform: translateY(0);
    }
}

/* 打印样式 */
@media print {
    .header,
    .main-nav,
    .form-actions,
    .list-actions,
    .report-actions,
    .approval-actions,
    .modal,
    .notification {
        display: none !important;
    }
    
    .main-content {
        padding: 0;
        max-width: 100%;
    }
    
    .form-container,
    .list-container,
    .approval-container,
    .report-container {
        box-shadow: none;
        border: 1px solid #ddd;
        border-radius: 0;
        padding: 20px;
        margin-bottom: 20px;
        page-break-inside: avoid;
    }
    
    .expense-item,
    .approval-item {
        page-break-inside: avoid;
    }
    
    .stats-cards {
        page-break-inside: avoid;
    }
    
    .chart-card {
        page-break-inside: avoid;
    }
    
    .data-table {
        page-break-inside: avoid;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    color: #ddd;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 20px;
}

/* 工具提示 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.tooltip:hover::before {
    opacity: 1;
}

/* 进度条 */
.progress-bar {
    width: 100%;
    height: 8px;
    background: #f0f2f5;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.badge-primary {
    background: #667eea;
    color: white;
}

.badge-success {
    background: #28a745;
    color: white;
}

.badge-warning {
    background: #ffc107;
    color: #333;
}

.badge-danger {
    background: #dc3545;
    color: white;
}

.badge-secondary {
    background: #6c757d;
    color: white;
}