/* 全局重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 颜色变量 - 与Tailwind配置保持一致 */
    --primary-color: #165DFF;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #1abc9c;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --text-color: #333;
    --text-secondary: #7f8c8d;
    --border-color: #ddd;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f8f9fa;
}

/* 主内容区域最小高度，确保页脚在底部 */
main {
    min-height: calc(100vh - 180px); /* 大致减去头部和底部的高度 */
}

/* 链接样式 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #0e46cc;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--primary-color);
    color: white;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: var(--shadow);
}

.btn:hover {
    background-color: #0e46cc;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    color: white;
}

.btn:active {
    transform: translateY(0);
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.3);
}

/* 按钮变体 */
.btn-success {
    background-color: var(--success-color);
}

.btn-success:hover {
    background-color: #27ae60;
}

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

.btn-warning:hover {
    background-color: #e67e22;
}

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

.btn-danger:hover {
    background-color: #c0392b;
}

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

.btn-info:hover {
    background-color: #16a085;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* 卡片样式 */
.card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.card-header h3 {
    margin: 0;
    color: var(--dark-color);
}

.card-body {
    padding: 1rem 0;
}

.card-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 1rem;
    text-align: right;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    background-color: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.2);
}

.form-control:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
    opacity: 0.6;
}

/* 表单辅助元素 */
.input-group {
    position: relative;
    display: flex;
    width: 100%;
}

.input-group-prepend,
.input-group-append {
    display: flex;
}

.input-group-prepend .input-group-text,
.input-group-append .input-group-text {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    background-color: #e9ecef;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.input-group-prepend .input-group-text {
    border-right: 0;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group-append .input-group-text {
    border-left: 0;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.table th,
.table td {
    padding: 0.75rem;
    vertical-align: top;
    border-top: 1px solid var(--border-color);
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid var(--border-color);
    background-color: #f8f9fa;
    font-weight: 600;
}

.table tbody + tbody {
    border-top: 2px solid var(--border-color);
}

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

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    padding: 1rem 0;
}

.pagination .page-item {
    margin: 0 0.25rem;
}

.pagination .page-link {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: white;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.pagination .page-link:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

/* 消息提示样式 */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    position: relative;
    border: 1px solid transparent;
}

.alert-success {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: rgba(46, 204, 113, 0.3);
    color: var(--success-color);
}

.alert-warning {
    background-color: rgba(243, 156, 18, 0.1);
    border-color: rgba(243, 156, 18, 0.3);
    color: var(--warning-color);
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: rgba(231, 76, 60, 0.3);
    color: var(--danger-color);
}

.alert-info {
    background-color: rgba(26, 188, 156, 0.1);
    border-color: rgba(26, 188, 156, 0.3);
    color: var(--info-color);
}

.alert-dismissible .close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.show {
    display: block;
}

.modal-dialog {
    position: relative;
    width: auto;
    max-width: 500px;
    margin: 1.75rem auto;
    pointer-events: none;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    background-color: white;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    pointer-events: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    margin-bottom: 0;
    line-height: 1.5;
    font-weight: 600;
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1rem;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.modal-footer > :not(:last-child) {
    margin-right: 0.5rem;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(22, 93, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* 工具类 */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-primary {
    color: var(--primary-color);
}

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

.text-warning {
    color: var(--warning-color);
}

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

.text-info {
    color: var(--info-color);
}

.text-muted {
    color: var(--text-secondary);
}

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

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

.bg-warning {
    background-color: var(--warning-color);
}

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

.bg-info {
    background-color: var(--info-color);
}

.bg-light {
    background-color: var(--light-color);
}

.bg-dark {
    background-color: var(--dark-color);
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

/* 响应式工具类 */
@media (max-width: 768px) {
    .hidden-sm {
        display: none !important;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .modal-dialog {
        margin: 0.5rem;
        max-width: none;
    }
    
    .table {
        display: block;
        overflow-x: auto;
    }
}

@media (min-width: 769px) {
    .hidden-md {
        display: none !important;
    }
}

/* 状态标签样式 */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.status-badge-pending {
    background-color: rgba(243, 156, 18, 0.1);
    color: var(--warning-color);
}

.status-badge-processing {
    background-color: rgba(22, 93, 255, 0.1);
    color: var(--primary-color);
}

.status-badge-completed {
    background-color: rgba(46, 204, 113, 0.1);
    color: var(--success-color);
}

.status-badge-rejected {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
}

/* 文件上传样式 */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload:hover {
    border-color: var(--primary-color);
    background-color: rgba(22, 93, 255, 0.05);
}

.file-upload input[type="file"] {
    display: none;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

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

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

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 动画类 */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.slide-in-left {
    animation: slideInFromLeft 0.5s ease-out;
}

.slide-in-right {
    animation: slideInFromRight 0.5s ease-out;
}

/* 工具提示样式 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    border-radius: var(--border-radius);
    padding: 0.5rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.75rem;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}