/* ============================================
   玩转线性代数 - 样式文件
   ============================================ */

/* ============================================
   CSS 变量 - 亮色主题 (默认)
   ============================================ */
:root {
    /* 主色调 */
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-sidebar: #f0f2f5;
    --bg-card: #ffffff;
    --bg-canvas: #fafafa;
    
    /* 文字色 */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    
    /* 边框色 */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    
    /* 网格和坐标轴颜色 */
    --grid-color: #e0e0e0;
    --grid-color-strong: #bdbdbd;
    --axis-color: #333333;
    --axis-x-color: #e74c3c;
    --axis-y-color: #27ae60;
    --axis-z-color: #3498db;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* ============================================
   暗色主题
   ============================================ */
.theme-dark {
    /* 背景色 */
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-sidebar: #0f0f23;
    --bg-card: #1a1a2e;
    --bg-canvas: #0a0a1a;
    
    /* 文字色 */
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --text-muted: #6c6c6c;
    
    /* 边框色 */
    --border-color: #2a2a4a;
    --border-light: #3a3a5a;
    
    /* 网格和坐标轴颜色 */
    --grid-color: #2a2a4a;
    --grid-color-strong: #3a3a5a;
    --axis-color: #888888;
}

.theme-dark body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

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

.theme-dark .vertical-tabs-nav {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.theme-dark .vertical-tabs-nav .app-title {
    background-color: var(--bg-card);
    color: var(--primary-color);
    border-color: var(--border-color);
}

.theme-dark .vertical-tabs-nav .nav-link {
    color: var(--text-secondary);
    border-color: var(--border-light);
}

.theme-dark .vertical-tabs-nav .nav-link:hover {
    background-color: var(--bg-card);
    color: var(--primary-color);
}

.theme-dark .vertical-tabs-nav .nav-link.active {
    background-color: var(--bg-card);
    color: var(--primary-color);
}

.theme-dark .tab-content {
    background-color: var(--bg-sidebar);
}

.theme-dark .tab-pane-content h5 {
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.theme-dark .form-control,
.theme-dark .form-select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.theme-dark .form-control:focus,
.theme-dark .form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.theme-dark .form-control::placeholder {
    color: var(--text-muted);
}

.theme-dark .main-display {
    background-color: var(--bg-canvas);
}

.theme-dark .form-label {
    color: var(--text-primary);
}

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

.theme-dark .text-muted {
    color: var(--text-secondary) !important;
}

.theme-dark small {
    color: var(--text-secondary);
}

.theme-dark .btn-outline-secondary {
    color: var(--text-primary);
    border-color: var(--border-color);
}

.theme-dark .btn-outline-secondary:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.theme-dark .input-group-text {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.theme-dark .alert-warning {
    background-color: rgba(255, 193, 7, 0.2);
    border-color: rgba(255, 193, 7, 0.3);
    color: #ffc107;
}

.theme-dark .info-overlay,
.theme-dark .controls-hint {
    background-color: rgba(26, 26, 46, 0.9);
    color: var(--text-primary);
}

.theme-dark .vector-item {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.theme-dark .result-display {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.theme-dark .github-link {
    background-color: var(--bg-card);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.theme-dark .github-link:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

/* GitHub链接 */
.github-link {
    width: 100%;
    padding: 0;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-top: auto;
}

.github-link:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.github-link i {
    font-size: 1.25rem;
}

/* ============================================
   基础布局
   ============================================ */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container-fluid {
    height: 100vh;
    padding: 0;
}

.row {
    margin: 0;
}

/* ============================================
   左侧边栏
   ============================================ */
.sidebar {
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    height: 100vh;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.sidebar h4 {
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================
   垂直标签页导航
   ============================================ */
.vertical-tabs-nav {
    width: 35px;
    min-width: 35px;
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: auto;
}

.vertical-tabs-nav .app-title {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    text-align: center;
    padding: 1.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-card);
    white-space: nowrap;
    margin: 0;
}

.vertical-tabs-nav .nav-pills {
    flex-direction: column;
    flex-grow: 1;
}

.vertical-tabs-nav .nav-link {
    color: var(--text-secondary);
    border: none;
    border-bottom: 1px solid var(--border-light);
    border-radius: 0;
    padding: 1.25rem 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    position: relative;
}

.vertical-tabs-nav .nav-link i {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.vertical-tabs-nav .nav-link span {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 0.75rem;
    white-space: nowrap;
    letter-spacing: 0.05em;
}

.vertical-tabs-nav .nav-link:hover {
    background-color: var(--bg-card);
    color: var(--primary-color);
}

.vertical-tabs-nav .nav-link.active {
    background-color: var(--bg-card);
    color: var(--primary-color);
    font-weight: 600;
}

.vertical-tabs-nav .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--primary-color);
}

.vertical-tabs-nav::-webkit-scrollbar {
    width: 4px;
}

.vertical-tabs-nav::-webkit-scrollbar-track {
    background: transparent;
}

.vertical-tabs-nav::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 2px;
}

/* ============================================
   标签页内容区域
   ============================================ */
.tab-content {
    flex: 1;
    overflow-y: auto;
    background-color: var(--bg-sidebar);
}

.tab-pane-content {
    padding: 0.8rem;
}

.tab-pane-content h5 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.tab-content::-webkit-scrollbar {
    width: 6px;
}

.tab-content::-webkit-scrollbar-track {
    background: transparent;
}

.tab-content::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

/* ============================================
   响应式设计
   ============================================ */
/* 平板设备 */
@media (max-width: 992px) {
    .vertical-tabs-nav {
        width: 70px;
        min-width: 70px;
    }
    
    .vertical-tabs-nav .nav-link {
        padding: 1rem 0.25rem;
    }
    
    .vertical-tabs-nav .nav-link span {
        font-size: 0.7rem;
    }

    .github-link {
        padding: 0.6rem 0;
    }
}

/* 小屏设备 */
@media (max-width: 768px) {
    .vertical-tabs-nav {
        width: 60px;
        min-width: 60px;
    }
    
    .vertical-tabs-nav .app-title {
        font-size: 0.9rem;
        padding: 1rem 0;
    }
    
    .vertical-tabs-nav .nav-link {
        padding: 0.75rem 0.25rem;
    }
    
    .vertical-tabs-nav .nav-link i {
        font-size: 1rem;
    }
    
    .vertical-tabs-nav .nav-link span {
        font-size: 0.65rem;
    }
    
    .tab-pane-content {
        padding: 1rem;
    }

    .github-link {
        padding: 0.5rem 0;
    }
    
    .github-link i {
        font-size: 1.1rem;
    }
}

/* ============================================
   表单元素
   ============================================ */
.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

/* 隐藏数字输入框的加减按钮 */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

.form-range {
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* ============================================
   矩阵输入样式
   ============================================ */
.matrix-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.matrix-bracket {
    width: 8px;
    height: 100%;
    min-height: 80px;
    border: 2px solid var(--text-primary);
}

.matrix-bracket.left {
    border-right: none;
    border-radius: 4px 0 0 4px;
}

.matrix-bracket.right {
    border-left: none;
    border-radius: 0 4px 4px 0;
}

.matrix-grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    padding: 4px;
}

.matrix-grid-3x3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 4px;
}

.matrix-cell {
    width: 50px;
    height: 36px;
    text-align: center;
    padding: 0.25rem;
    font-size: 0.875rem;
}

/* ============================================
   向量列表
   ============================================ */
.vector-list {
    max-height: 550px;
    overflow-y: auto;
    min-height: 40px;
}

.vector-list-empty {
    opacity: 0;
    animation: fadeIn 0.2s ease forwards;
}

.vector-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    margin-bottom: 0.25rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    opacity: 1;
    transform: translateY(0);
}

.vector-item.adding {
    animation: slideIn 0.25s ease forwards;
}

.vector-item.removing {
    animation: slideOut 0.2s ease forwards;
}

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

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateY(0);
        max-height: 50px;
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
        max-height: 0;
        padding: 0;
        margin: 0;
        border: none;
    }
}

.vector-item:hover {
    background-color: var(--border-light);
}

.vector-item .vector-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    margin-right: 0.5rem;
    flex-shrink: 0;
}

.vector-item .vector-info {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.vector-item .vector-name {
    font-weight: 500;
}

.vector-item .vector-coords {
    color: var(--text-secondary);
    font-family: 'Consolas', 'Monaco', monospace;
    cursor: pointer;
}

.vector-item .vector-coords:hover {
    color: var(--primary-color);
    text-decoration: underline dotted;
}

.vector-item .vector-edit-inputs input {
    text-align: center;
}

.vector-item .vector-actions {
    display: flex;
    gap: 0.25rem;
}

.vector-item .vector-actions .btn {
    padding: 0.125rem 0.375rem;
    font-size: 0.75rem;
}

/* ============================================
   图案列表
   ============================================ */
.shape-list {
    max-height: 250px;
    overflow-y: auto;
    min-height: 40px;
}

.shape-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    margin-bottom: 0.25rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.shape-item.adding {
    animation: slideIn 0.25s ease forwards;
}

.shape-item.removing {
    animation: slideOut 0.2s ease forwards;
}

.shape-item:hover {
    background-color: var(--border-light);
}

.shape-item .shape-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    margin-right: 0.5rem;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.shape-item .shape-info {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.shape-item .shape-name {
    font-weight: 500;
}

.shape-item .shape-actions {
    display: flex;
    gap: 0.25rem;
}

.shape-item .shape-actions .btn {
    padding: 0.125rem 0.375rem;
    font-size: 0.75rem;
}

/* ============================================
   基向量选择列表
   ============================================ */
.basis-vector-select {
    max-height: 250px;
    overflow-y: auto;
    min-height: 60px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-primary);
    padding: 0.25rem;
}

.basis-vector-select-empty {
    padding: 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.basis-vector-option {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.625rem;
    margin-bottom: 0.25rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
    border: 1px solid transparent;
}

.basis-vector-option:last-child {
    margin-bottom: 0;
}

.basis-vector-option:hover {
    background-color: var(--bg-secondary);
}

.basis-vector-option.selected {
    background-color: rgba(13, 110, 253, 0.1);
    border-color: var(--primary-color);
}

.basis-vector-option .vector-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
    flex-shrink: 0;
}

.basis-vector-option .vector-label {
    flex-grow: 1;
    font-size: 0.875rem;
    font-weight: 500;
}

.basis-vector-option .vector-coords-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'Consolas', 'Monaco', monospace;
}

.basis-vector-option .check-icon {
    width: 18px;
    height: 18px;
    margin-left: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.basis-vector-option.selected .check-icon {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.basis-vector-option.selected .check-icon i {
    font-size: 0.65rem;
}

/* 暗色主题适配 */
.theme-dark .basis-vector-select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.theme-dark .basis-vector-option:hover {
    background-color: var(--bg-card);
}

.theme-dark .basis-vector-option.selected {
    background-color: rgba(13, 110, 253, 0.2);
    border-color: var(--primary-color);
}

/* ============================================
   子空间列表
   ============================================ */
.subspace-list {
    max-height: 300px;
    overflow-y: auto;
    min-height: 40px;
}

.subspace-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    margin-bottom: 0.25rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.subspace-item:hover {
    background-color: var(--border-light);
}

.subspace-item .subspace-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    margin-right: 0.5rem;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.subspace-item .subspace-info {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.subspace-item .subspace-name {
    font-weight: 500;
}

.subspace-item .item-controls {
    display: flex;
    gap: 0.25rem;
}

.subspace-item .item-controls .btn {
    padding: 0.125rem 0.375rem;
    font-size: 0.75rem;
}

/* ============================================
   矩阵列表
   ============================================ */
.matrix-list {
    max-height: 250px;
    overflow-y: auto;
    min-height: 40px;
}

.matrix-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    margin-bottom: 0.25rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}

.matrix-item.adding {
    animation: slideIn 0.25s ease forwards;
}

.matrix-item.removing {
    animation: slideOut 0.2s ease forwards;
}

.matrix-item:hover {
    background-color: var(--border-light);
}

.matrix-item .matrix-info {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.matrix-item .matrix-name {
    font-weight: 500;
}

.matrix-item .matrix-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background-color: var(--border-light);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
}

.matrix-item .matrix-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.matrix-item .matrix-actions {
    display: flex;
    gap: 0.25rem;
}

.matrix-item .matrix-actions .btn {
    padding: 0.125rem 0.375rem;
    font-size: 0.75rem;
}

/* 矩阵悬停提示框 - 全局浮动 */
#matrixTooltip {
    position: fixed;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    z-index: 9999;
    white-space: nowrap;
    pointer-events: none;
}

#matrixTooltip.visible {
    opacity: 1;
    visibility: visible;
}

#matrixTooltip pre {
    margin: 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* ============================================
   结果显示区域
   ============================================ */
.result-display {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    font-size: 0.875rem;
}

.result-display .result-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.result-display .result-value {
    font-family: 'Consolas', 'Monaco', monospace;
}

/* ============================================
   主显示区域
   ============================================ */
.main-display {
    position: relative;
    height: 100vh;
    background-color: var(--bg-canvas);
    overflow: hidden;
}

.visualization-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ============================================
   信息叠加层
   ============================================ */
.info-overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-family: 'Consolas', 'Monaco', monospace;
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

.controls-hint {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

/* ============================================
   按钮样式增强
   ============================================ */
.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
}

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

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

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: 6px 0 0 6px;
}

.btn-group .btn:last-child {
    border-radius: 0 6px 6px 0;
}

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

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        height: auto;
        max-height: 50vh;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .main-display {
        height: 50vh;
    }
    
    .matrix-cell {
        width: 40px;
        height: 32px;
    }
}

/* ============================================
   打印样式
   ============================================ */
@media print {
    .sidebar {
        display: none;
    }
    
    .main-display {
        width: 100%;
    }
}

/* ============================================
   二次型矩阵维度选择按钮组样式
   ============================================ */
/* 左侧按钮：左上和左下有圆角，右侧无圆角 */
#quadMatrixDim2 + label {
    border-radius: 0.25rem 0 0 0.25rem !important;
    transition: none !important;
}

/* 右侧按钮：右上和右下有圆角，左侧无圆角 */
#quadMatrixDim3 + label {
    border-radius: 0 0.25rem 0.25rem 0 !important;
    transition: none !important;
}

/* 移除悬停和激活状态的动画 */
#quadMatrixDim2 + label:hover,
#quadMatrixDim3 + label:hover,
#quadMatrixDim2:checked + label,
#quadMatrixDim3:checked + label,
#quadMatrixDim2:checked + label:hover,
#quadMatrixDim3:checked + label:hover {
    transition: none !important;
    transform: none !important;
}