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

html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    background-color: #f3f4f6;
    color: #374151;
    line-height: 1.6;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    overflow: hidden;
}

/* 导航栏样式 */
.navbar {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    margin-bottom: 2rem;
}

.nav-list {
    display: flex;
    overflow-x: auto;
    list-style: none;
}

.nav-item {
    flex-shrink: 0;
}

.nav-link {
    display: block;
    padding: 1rem 1.5rem;
    text-align: center;
    color: #6b7280;
    text-decoration: none;
    transition: color 0.2s ease, border-bottom-color 0.2s ease;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-item.active .nav-link {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.nav-link i {
    margin-right: 0.5rem;
}

/* 页面内容样式 */
.page-content {
    transition: opacity 0.3s ease, transform 0.3s ease;
    width: 100%;
}

.page-content.hidden {
    opacity: 0;
    transform: translateX(20px);
    position: absolute;
    width: 100%;
    pointer-events: none;
}

.page-content.active {
    opacity: 1;
    transform: translateX(0);
}

/* 记录页面样式 */
.record-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(75vh - 15rem);
    box-sizing: border-box；
}

.record-content {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.add-record-btn {
    background-color: #2563eb;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 1.5rem 3rem;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
    transition: all 0.2s ease;
    margin: 0 auto;
}

.add-record-btn:hover {
    background-color: #1d4ed8;
    transform: scale(1.05);
}

.add-record-btn i {
    margin-right: 0.5rem;
}

.record-hint {
    margin-top: 1rem;
    color: #6b7280;
}

/* 统计和数据页面样式 */
.stats-container,
.data-container {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    padding: 1.5rem;
}

.filter-section,
.data-management {
    margin-bottom: 1.5rem;
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: flex-start;
}

.data-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.overview-section,
.ranking-section,
.records-section {
    margin-top: 1.5rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #111827;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.25rem;
}

.required {
    color: #ef4444;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    height: 35px;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary {
    background-color: #2563eb;
    color: white;
    height: 35px;
    padding: 0 1rem;
    vertical-align: middle;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-secondary {
    background-color: #e5e7eb;
    color: #374151;
    font-size: 0.875rem;
}

.btn-secondary:hover {
    background-color: #d1d5db;
}

.btn-danger {
    background-color: #dc2626;
    color: white;
}

.btn-danger:hover {
    background-color: #b91c1c;
}

.btn-success {
    background-color: #059669;
    color: white;
}

.btn-success:hover {
    background-color: #047857;
}

.btn i {
    margin-right: 0.5rem;
}

/* 标签按钮样式 */
.tag-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: flex-start;
}

.tag-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    background-color: white;
    color: #374151;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-btn:hover {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.tag-btn.active {
    background-color: #3b82f6;
    border-color: #3b82f6;
    color: white;
}

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

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background-color: white;
}

.data-table th {
    position: sticky;
    top: 0;
    background-color: #f9fafb;
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 500;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid #e5e7eb;
    z-index: 10;
}

.data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e5e7eb;
}

.data-table tr:hover {
    background-color: #f9fafb;
}

.empty-cell {
    text-align: center;
    color: #6b7280;
    padding: 1rem !important;
}

/* 备份信息样式 */
.backup-info {
    font-size: 0.875rem;
    color: #6b7280;
    margin-left: auto;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    opacity: 0;
    visibility: hidden;
}

.modal.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    width: 100%;
    max-width: 400px;
    margin: 1rem;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal.visible .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
}

.warning-title {
    color: #d97706;
    display: flex;
    align-items: center;
}

.warning-title i {
    margin-right: 0.5rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: #6b7280;
    cursor: pointer;
    padding: 0.25rem;
    transition: color 0.2s ease;
}

.close-modal:hover {
    color: #374151;
}

.modal-body {
    margin-bottom: 1rem;
}

.modal-body p {
    color: #6b7280;
    margin-top: 0.5rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* 自定义品牌输入框样式 */
.custom-brand-input {
    margin-top: 0.75rem;
    margin-left: 0.5rem;
    width: calc(100% - 1rem);
    display: block;
    box-sizing: border-box;
    padding: 0.5rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.custom-brand-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 排序表头样式 */
.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 20px;
}

.sortable:hover {
    background-color: #f3f4f6;
}

.sortable i {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.6;
}

.sortable:hover i {
    opacity: 1;
}

/* 排名样式 */
.ranking-table .rank-1 {
    background-color: #fef3c7;
    font-weight: bold;
}

.ranking-table .rank-2 {
    background-color: #f3f4f6;
    font-weight: bold;
}

.ranking-table .rank-3 {
    background-color: #fed7d7;
    font-weight: bold;
}

.ranking-table tr {
    transition: none !important;
}

.ranking-table tr:hover {
    background-color: inherit !important;
}

.ranking-table .rank-1:hover {
    background-color: #fef3c7 !important;
}

.ranking-table .rank-2:hover {
    background-color: #f3f4f6 !important;
}

.ranking-table .rank-3:hover {
    background-color: #fed7d7 !important;
}

/* 筛选控件特殊样式 */
.filter-controls .form-group {
    margin: 0 !important;
    padding: 0 !important;
}

/* 操作按钮样式 */
.edit-btn, .delete-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.edit-btn {
    background-color: #eff6ff;
    color: #2563eb;
    margin-right: 8px;
}

.edit-btn:hover {
    background-color: #dbeafe;
    color: #1d4ed8;
    transform: translateY(-1px);
}

.delete-btn {
    background-color: #fef2f2;
    color: #dc2626;
}

.delete-btn:hover {
    background-color: #fee2e2;
    color: #b91c1c;
    transform: translateY(-1px);
}

/* 文件输入框美化 */
input[type="file"] {
    display: none;
}

.custom-file-upload {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background-color: #10b981;
    color: white;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    height: 35px;
}

.custom-file-upload:hover {
    background-color: #059669;
    transform: translateY(-1px);
}

.custom-file-upload i {
    margin-right: 0.5rem;
}

/* 空状态单元格样式 */
.empty-cell {
    padding: 1rem;
    text-align: center;
    color: #6b7280;
    font-style: italic;
}

/* 表单行样式 */
.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row .form-group {
    flex: 1;
}

/* 总览卡片样式 */
.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.overview-card {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.overview-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.overview-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    margin-right: 1rem;
    font-size: 1.5rem;
}

.overview-card:nth-child(1) .overview-icon {
    background-color: #eff6ff;
    color: #2563eb;
}

.overview-card:nth-child(2) .overview-icon {
    background-color: #fef3c7;
    color: #d97706;
}

.overview-card:nth-child(3) .overview-icon {
    background-color: #ecfdf5;
    color: #10b981;
}

.overview-content {
    flex: 1;
}

.overview-value {
    font-size: 2rem;
    font-weight: bold;
    color: #111827;
    line-height: 1;
}

.overview-label {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

/* 响应式设计 */
@media (max-width: 768px) {

    .container {
        padding: 1rem;
    }
    
    .add-record-btn {
        font-size: 1.25rem;
        padding: 1.25rem 2.5rem;
    }
    
    .data-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .backup-info {
        margin-left: 0;
        margin-top: 1rem;
    }
    
    .form-actions {
        flex-direction: column-reverse;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    .modal-content {
        margin: 0.5rem;
        padding: 1rem;
    }
    
    .tag-container {
        gap: 0.25rem;
    }
    
    .tag-btn {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}