/* 组件样式 */
/* 表格样式 */
table {
    border-collapse: collapse;
    margin: 20px auto;
    box-shadow: var(--shadow);
    background-color: white;
    transition: var(--transition);
}

table:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: center;
    background-color: #f9f9f9;
    white-space: nowrap;
    min-width: 60px;
    width: auto;
    transition: var(--transition);
}

td:hover {
    background-color: #f1f7ff;
}

/* 行列标识样式 */
.row-label,
.col-label {
    font-weight: bold;
    background-color: #e9ecef;
    color: var(--primary-color);
}

/* 输入框样式 */
input[type="text"] {
    padding: 10px 12px;
    margin-bottom: 10px;
    box-sizing: border-box;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    transition: var(--transition);
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
}

.t-i-group {
    height: 42px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
    transition: var(--transition);
}

.t-i-group:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
}

#transform-target,
#transform-param {
    width: 60px;
}

#transform-coefficient {
    width: 100px;
}

#transform-operator {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
    transition: var(--transition);
}

#transform-operator:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 按钮样式 */
button {
    margin: 0 5px 10px 0;
    padding: 10px 18px;
    cursor: pointer;
    background-color: var(--primary-color);
    color: var(--light-text);
    border: none;
    border-radius: 4px;
    font-size: 15px;
    transition: var(--transition);
    font-weight: 500;
    width: auto;
    /* 保持原有宽度 */
    min-width: 40px;
    /* 设置最小宽度保持一致性 */
}


button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

button:active {
    transform: translateY(0);
}

button#button-compete {
    background-color: #28a745;
}

button#button-compete:hover {
    background-color: #218838;
}

button#undo,
button#redo {
    background-color: #6c757d;
}

button#undo:hover,
button#redo:hover {
    background-color: #5a6268;
}

button#button-reset {
    background-color: #dc3545;
}

button#button-reset:hover {
    background-color: #c82333;
}

/* 按钮组样式 */
.operator-buttons {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin: 15px 0;
    flex-wrap: wrap;
    align-items: center;
}

.input-group {
    display: flex;
    gap: 10px;
    align-items: center;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.shortcut-buttons {
    display: flex;
    gap: 8px;
    margin: 10px 0;
}

.shortcut-buttons button {
    padding: 8px 12px;
    font-size: 16px;
}

.header-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

/* 隐藏类样式 - 保持内部元素横向排列 */
.hidden {
    display: none;
}

/* 选中的矩阵元素样式 */
.selected-matrix-element {
    background-color: #e3f2fd !important;
    border: 2px solid #2196f3 !important;
    box-shadow: 0 0 5px rgba(33, 150, 243, 0.5);
    cursor: pointer;
    transition: all 0.2s ease;
}

.selected-matrix-element:hover {
    background-color: #bbdefb !important;
    box-shadow: 0 0 8px rgba(33, 150, 243, 0.7);
}

#arithmetic-symbols {
    display: flex;
    flex-direction: column;
    gap: 0px;
}

#arithmetic-symbols button {
    padding: 4px 12px;
    font-size: 16px;
    background-color: #cccccc;
    /* 默认灰色背景 */
    color: #666666;
    /* 默认灰色文字 */
    border: 1px solid #999999;
    /* 默认灰色边框 */
}

#arithmetic-symbols button:hover {
    background-color: #bbbbbb;
    /* 悬停时稍深的灰色 */
    color: #555555;
    border-color: #888888;
}


/* 辅助按钮组样式 - 竖向排列 */
.assist-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 200px;
    align-items: center;
    margin: 0 auto;
}

.assist-group button {
    display: block;
    /* 确保竖向排列 */
    width: 100%;
    /* 占满容器宽度 */
    margin: 0 0 10px 0;
    /* 只设置底部边距 */
}

/* KaTeX事件穿透- 确保矩阵单元格点击事件正常工作 */
.katex-display,
.katex,
.katex-mathml,
.katex-html,
.katex-display *,
.katex *,
.katex-mathml *,
.katex-html * {
    pointer-events: none;
}

/* 确保矩阵单元格本身可以响应事件 */
[data-type="matrix-cell"] {
    pointer-events: auto;
    cursor: pointer;
}