* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

:root {
    --primary: #2c7be5;
    --primary-light: #e8f2ff;
    --success: #00d97e;
    --danger: #e63757;
    --warning: #f6c343;
    --dark: #283e59;
    --light: #f9fbfd;
    --gray: #95aac9;
    --border: #e3ebf6;
    --white: #ffffff;
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.05);
}

body {
    background-color: #f5f7fa;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
header {
    background: var(--white);
    border-radius: 12px;
    padding: 25px 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo i {
    font-size: 32px;
    color: var(--primary);
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
}

/* 头部操作区域 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.actions {
    display: flex;
    gap: 15px;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #1c6cd6;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(44, 123, 229, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(44, 123, 229, 0.1);
}

/* 用户信息样式 */
.user-info {
    margin-left: 0;
}

.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-btn {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--dark);
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
}

.user-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.user-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 150px;
    padding: 8px 0;
    z-index: 100;
    display: none;
    border: 1px solid var(--border);
}

.user-dropdown:hover .user-menu {
    display: block;
}

.user-menu a {
    display: block;
    padding: 10px 15px;
    color: var(--dark);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    text-align: center;
}

.user-menu a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

/* 搜索区域样式 */
.search-section {
    background: var(--white);
    border-radius: 12px;
    padding: 25px 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.search-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-section h2 i {
    color: var(--primary);
}

.search-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.search-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
}

.filter-input {
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 123, 229, 0.1);
}

/* 表格区域样式 */
.table-section {
    background: var(--white);
    border-radius: 12px;
    padding: 25px 30px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

.table-header h2 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-header h2 i {
    color: var(--primary);
}

.table-info {
    font-size: 14px;
    color: var(--gray);
}

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

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

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

thead {
    background: var(--primary-light);
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

/* 发票表格居中对齐 */
#invoiceTable thead th,
#invoiceTable tbody td {
    text-align: center !important;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background: #f8fbff;
}

.status {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-new {
    background: #e8f8f0;
    color: var(--success);
}

.status-duplicate {
    background: #fdedf0;
    color: var(--danger);
}

.action-icons {
    display: flex;
    gap: 10px;
}

.action-icons i {
    cursor: pointer;
    color: var(--gray);
    transition: all 0.3s ease;
}

.action-icons i:hover {
    color: var(--primary);
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--white);
}

.modal-header h2 {
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header h2 i {
    color: var(--primary);
}

.close-modal {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--gray);
    transition: all 0.3s ease;
}

.close-modal:hover {
    color: var(--danger);
}

.modal-body {
    padding: 25px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 123, 229, 0.1);
}

.form-text {
    font-size: 12px;
    color: var(--gray);
    margin-top: 5px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    position: sticky;
    bottom: 0;
    background: var(--white);
}

/* 加载动画 */
.loading {
    display: none;
    text-align: center;
    padding: 30px;
}

.loading.show {
    display: block;
}

.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--gray);
    display: none;
}

.empty-state.show {
    display: block;
}

.empty-state i {
    font-size: 50px;
    margin-bottom: 15px;
    opacity: 0.5;
}

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

/* 详情弹窗样式 */
.detail-container {
    max-width: 100%;
}

.detail-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.detail-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.detail-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-section h3 i {
    color: var(--primary);
    font-size: 14px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.detail-item label {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray);
}

.detail-item span {
    font-size: 14px;
    color: var(--dark);
    font-weight: 400;
    padding: 8px 12px;
    background: var(--light);
    border-radius: 6px;
    border: 1px solid var(--border);
    min-height: 38px;
    display: flex;
    align-items: center;
}

.qr-content {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.qr-content textarea {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    resize: vertical;
}

/* 用户管理样式 */
.user-manage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.user-table-container {
    max-height: 400px;
    overflow-y: auto;
}

.user-loading, .user-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray);
}

.user-empty i {
    font-size: 40px;
    margin-bottom: 15px;
    opacity: 0.5;
}

#userTable {
    width: 100%;
    margin-bottom: 0;
}

#userTable th {
    position: sticky;
    top: 0;
    background: var(--primary-light);
    z-index: 10;
}

#userTable td {
    white-space: nowrap;
}

.user-status {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.user-status.active {
    background: #e8f8f0;
    color: var(--success);
}

.user-status.inactive {
    background: #fdedf0;
    color: var(--danger);
}

.user-role {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.user-role.admin {
    background: #e8f2ff;
    color: var(--primary);
}

.user-role.user {
    background: #f8f9fa;
    color: var(--gray);
}

.user-action-icons {
    display: flex;
    gap: 8px;
}

.user-action-icons i {
    cursor: pointer;
    color: var(--gray);
    transition: all 0.3s ease;
    font-size: 14px;
}

.user-action-icons i:hover {
    color: var(--primary);
}

.user-action-icons i.delete:hover {
    color: var(--danger);
}

/* 消息提示 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 1100;
    transform: translateX(150%);
    transition: transform 0.3s ease;
    max-width: 350px;
}

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

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.warning {
    background: var(--warning);
}

/* 分页样式 */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    margin-top: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.pagination-info {
    font-size: 14px;
    color: var(--gray);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 5px;
}

.page-number {
    padding: 6px 10px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--dark);
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
    min-width: 32px;
    text-align: center;
}

.page-number:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.page-number.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.form-control-sm {
    padding: 6px 10px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.form-control-sm:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 123, 229, 0.1);
}

/* 日期选择器样式 */
.date-picker {
    cursor: pointer;
    background: var(--white);
}

.date-picker:hover {
    border-color: var(--primary);
}

/* 日期选择器弹窗 */
.date-picker-modal {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1001;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border);
    min-width: 280px;
    padding: 15px;
    margin-top: 5px;
}

.date-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.date-picker-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.date-picker-nav {
    display: flex;
    gap: 5px;
}

.date-picker-nav button {
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 5px 8px;
    cursor: pointer;
    color: var(--dark);
    transition: all 0.3s ease;
}

.date-picker-nav button:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.date-picker-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    margin-bottom: 10px;
}

.date-picker-weekday {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray);
    padding: 8px 4px;
}

.date-picker-day {
    text-align: center;
    padding: 8px 4px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    transition: all 0.3s ease;
    color: var(--dark);
}

.date-picker-day:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.date-picker-day.selected {
    background: var(--primary);
    color: var(--white);
}

.date-picker-day.other-month {
    color: var(--gray);
    opacity: 0.5;
}

.date-picker-day.today {
    font-weight: 600;
    background: var(--success);
    color: var(--white);
    border: 1px solid var(--success);
}

.date-picker-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    gap: 10px;
}

.date-picker-info {
    font-size: 12px;
    color: var(--gray);
}

.date-picker-actions {
    display: flex;
    gap: 8px;
}

.date-picker-actions button {
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--dark);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
}

.date-picker-actions button:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.date-picker-actions button.primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.date-picker-actions button.primary:hover {
    background: #1c6cd6;
}

/* 日期选择器定位 */
.date-picker-wrapper {
    position: relative;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 容器调整 */
    .container {
        padding: 10px;
    }

    /* 头部调整 */
    header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
        padding: 15px 20px;
        margin-bottom: 15px;
    }

    .logo {
        gap: 10px;
        width: 100%;
    }

    .logo img {
        width: 36px !important;
        height: 36px !important;
    }

    .logo h1 {
        font-size: 18px;
    }
    
    .header-actions {
        width: 100%;
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .actions {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 8px;
        width: 100%;
    }

    .actions .btn {
        padding: 8px 12px;
        font-size: 13px;
        justify-content: center;
        white-space: nowrap;
    }

    .actions .btn i {
        margin-right: 4px;
    }
    
    .user-info {
        width: 100%;
    }
    
    .user-btn {
        width: 100%;
        justify-content: center;
    }
    
    .user-menu {
        width: 100%;
        right: 0;
        left: 0;
        transform: none;
    }

    /* 搜索区域调整 */
    .search-section {
        padding: 15px 20px;
        margin-bottom: 15px;
    }

    .search-section h2 {
        font-size: 16px;
        margin-bottom: 15px;
    }

    .search-filters {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 15px;
    }

    .search-actions {
        flex-direction: column;
        gap: 10px;
    }

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

    /* 表单调整 */
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* 表格区域调整 */
    .table-section {
        padding: 15px 10px;
        border-radius: 8px;
    }
    
    .table-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 0 10px;
        margin-bottom: 15px;
    }

    .table-header h2 {
        font-size: 16px;
    }

    .table-info {
        font-size: 13px;
    }
    
    .table-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .table-actions .btn {
        padding: 8px 15px;
        font-size: 13px;
    }

    /* 表格调整 */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -10px;
        padding: 0 10px;
    }

    table {
        min-width: 800px;
    }

    th, td {
        padding: 10px 8px;
        font-size: 13px;
    }

    th {
        font-size: 12px;
        white-space: nowrap;
    }

    td {
        font-size: 12px;
    }

    .action-icons {
        gap: 8px;
    }

    .action-icons i {
        font-size: 14px;
    }

    .status {
        padding: 3px 8px;
        font-size: 11px;
    }
    
    /* 分页调整 */
    .pagination-container {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        gap: 15px;
        padding: 0 10px;
    }

    .pagination-info {
        font-size: 13px;
    }
    
    .pagination-controls {
        justify-content: center;
        flex-wrap: wrap;
        gap: 5px;
    }

    .pagination-controls .btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .page-numbers {
        display: flex;
        gap: 5px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .page-size-selector {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 13px;
    }

    .page-size-selector select {
        padding: 6px 10px;
        font-size: 13px;
    }

    /* 模态框调整 */
    .modal {
        padding: 10px;
        align-items: flex-start;
    }

    .modal-content {
        width: 100%;
        max-width: 100%;
        margin-top: 10px;
        margin-bottom: 10px;
        max-height: calc(100vh - 20px);
        border-radius: 8px;
    }

    .modal-header {
        padding: 15px 20px;
    }

    .modal-header h2 {
        font-size: 18px;
    }

    .modal-body {
        padding: 20px;
    }

    .modal-footer {
        padding: 15px 20px;
        flex-direction: column;
    }

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

    /* 详情展示调整 */
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .detail-section h3 {
        font-size: 15px;
    }

    .detail-item label {
        font-size: 12px;
    }

    .detail-item span {
        font-size: 13px;
        padding: 6px 10px;
    }

    /* 用户管理调整 */
    .user-manage-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .user-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    #userTable {
        min-width: 600px;
    }

    #userTable th,
    #userTable td {
        padding: 10px 8px;
        font-size: 12px;
    }

    /* 按钮文字优化 - 在小屏幕上只显示图标 */
    @media (max-width: 480px) {
        .actions .btn span:not(:empty) {
            display: none;
        }

        .actions .btn {
            padding: 10px;
            min-width: 44px;
        }

        .actions .btn i {
            margin-right: 0;
        }

        .logo h1 {
            font-size: 16px;
        }

        .table-header h2,
        .search-section h2 {
            font-size: 15px;
        }
    }

    /* 确保toast在移动端显示正常 */
    .toast {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}