/* ========================================
   Enhanced CSS - 增强版样式文件
   基于现有样式进行美化和优化
   ======================================== */

/* ===== 全局增强样式 ===== */
:root {
    --primary-color: #1890ff;
    --primary-hover: #40a9ff;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --error-color: #ff4d4f;
    --text-primary: #262626;
    --text-secondary: #595959;
    --text-tertiary: #8c8c8c;
    --border-color: #d9d9d9;
    --background-color: #fafafa;
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
    --border-radius: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 卡片容器增强 ===== */
.card-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

/* ===== 面板增强样式 ===== */
.panel {
    border: none;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    background: #fff;
    overflow: hidden;
    transition: var(--transition);
}

.panel:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.panel-heading {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
}

.panel-heading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.panel-title {
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
}

.panel-title i {
    margin-right: 8px;
    font-size: 22px;
}

.panel-body {
    padding: 32px;
    background: #fff;
}

/* ===== 按钮增强样式 ===== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #096dd9 100%);
    border: none;
    border-radius: var(--border-radius);
    padding: 12px 24px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #1890ff 100%);
    box-shadow: 0 4px 16px rgba(24, 144, 255, 0.4);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
}

/* ===== 表单增强样式 ===== */
.form-control {
    border: 2px solid #e8e8e8;
    border-radius: var(--border-radius);
    padding: 12px 16px;
    font-size: 14px;
    transition: var(--transition);
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
    outline: none;
    background: #fff;
}

.form-control::placeholder {
    color: var(--text-tertiary);
    font-style: italic;
}

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

/* ===== 卡片类型选择增强 ===== */
.category-item {
    border: 2px solid #f0f0f0;
    border-radius: 12px;
    background: #fff;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.05) 0%, rgba(24, 144, 255, 0.1) 100%);
    opacity: 0;
    transition: var(--transition);
}

.category-item:hover::before {
    opacity: 1;
}

.category-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(24, 144, 255, 0.15);
}

.category-item.active {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f9ff 100%);
    box-shadow: 0 4px 16px rgba(24, 144, 255, 0.2);
}

/* ===== 面额选择增强 ===== */
.denomination-item {
    border: 2px solid #e8e8e8;
    border-radius: 12px;
    background: #fff;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.denomination-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.05) 0%, rgba(24, 144, 255, 0.1) 100%);
    opacity: 0;
    transition: var(--transition);
}

.denomination-item:hover::before {
    opacity: 1;
}

.denomination-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(24, 144, 255, 0.15);
}

.denomination-item.active {
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f9ff 100%);
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(24, 144, 255, 0.2);
}

.denomination-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.denomination-recycle {
    color: var(--error-color);
    font-weight: 700;
    font-size: 16px;
}

/* ===== 表格增强样式 ===== */
.table {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    background: #fff;
}

.table thead th {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    padding: 16px 12px;
    border: none;
    position: relative;
}

.table thead th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color) 0%, #40a9ff 100%);
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f9ff 100%);
    transform: scale(1.01);
}

.table tbody td {
    padding: 16px 12px;
    border: none;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: middle;
}

/* ===== 状态标签增强 ===== */
.label {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.label-success {
    background: linear-gradient(135deg, #52c41a 0%, #73d13d 100%);
    color: #fff;
}

.label-warning {
    background: linear-gradient(135deg, #faad14 0%, #ffc53d 100%);
    color: #fff;
}

.label-danger {
    background: linear-gradient(135deg, #ff4d4f 0%, #ff7875 100%);
    color: #fff;
}

.label-info {
    background: linear-gradient(135deg, #1890ff 0%, #40a9ff 100%);
    color: #fff;
}

/* ===== 分页增强样式 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin: 24px 0;
}

.pagination > li > a,
.pagination > li > span {
    padding: 8px 12px;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    background: #fff;
    font-weight: 500;
}

.pagination > li > a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: #f0f9ff;
    transform: translateY(-1px);
}

.pagination > .active > a,
.pagination > .active > span {
    background: linear-gradient(135deg, var(--primary-color) 0%, #40a9ff 100%);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
}

/* ===== 筛选器增强样式 ===== */
.filter-bar {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    margin-bottom: 24px;
    border: 1px solid #f0f0f0;
}

.filter-group .nav-pills > li > a {
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid #e8e8e8;
    background: #fff;
    color: var(--text-secondary);
}

.filter-group .nav-pills > li > a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: #f0f9ff;
    transform: translateY(-1px);
}

.filter-group .nav-pills > li.active > a {
    background: linear-gradient(135deg, var(--primary-color) 0%, #40a9ff 100%);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
}

/* ===== 加载动画增强 ===== */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ===== 响应式增强 ===== */
@media (max-width: 768px) {
    .card-container {
        padding: 16px;
    }
    
    .panel-body {
        padding: 20px;
    }
    
    .category-item {
        width: 100px;
        height: 80px;
    }
    
    .denomination-list {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 8px;
    }
    
    .table-responsive {
        border-radius: 8px;
        overflow: hidden;
    }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, #40a9ff 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #40a9ff 0%, var(--primary-color) 100%);
}

/* ===== 工具提示增强 ===== */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(5px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== 成功/错误消息增强 ===== */
.alert {
    border: none;
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: currentColor;
}

.alert-success {
    background: linear-gradient(135deg, #f6ffed 0%, #f0f9ff 100%);
    color: #52c41a;
    border-left: 4px solid #52c41a;
}

.alert-warning {
    background: linear-gradient(135deg, #fffbe6 0%, #fff7e6 100%);
    color: #faad14;
    border-left: 4px solid #faad14;
}

.alert-danger {
    background: linear-gradient(135deg, #fff2f0 0%, #fff1f0 100%);
    color: #ff4d4f;
    border-left: 4px solid #ff4d4f;
}

.alert-info {
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f9ff 100%);
    color: #1890ff;
    border-left: 4px solid #1890ff;
}