/* 整体样式优化 */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    min-height: 100vh;
    color: #ffffff;
}

.container {
    max-width: none;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #ffffff;
}

/* 菜单栏样式优化 */
.menu-bar {
    width: 90%;
    max-width: 1800px;
    min-width: 800px;
    margin: 0 auto 20px auto;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    display: flex;
    justify-content: center;
    gap: 20px;
    z-index: 1000;
    position: relative;
}

/* 菜单项样式 */
.menu-item {
    position: relative;
    cursor: pointer;
    padding: 8px 15px;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    z-index: 1001;
}

/* 子菜单样式 */
.submenu {
    display: none;
    position: absolute;
    top: calc(100% - 5px);
    left: 0;
    min-width: 150px;
    background: rgba(28, 27, 34, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    padding: 8px 0;
    z-index: 1002;
}

/* 添加一个透明的连接区域 */
.menu-item::after {
    content: '';
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    height: 10px;
    background: transparent;
}

/* 子菜单项样式 */
.submenu-item {
    padding: 10px 20px;
    color: rgba(255, 255, 255, 0.9);
    white-space: nowrap;
    transition: all 0.3s ease;
    cursor: pointer;
}

.submenu-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.15);
    margin: 6px 0;
}

.submenu-group-title {
    padding: 8px 20px 4px 20px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85em;
    white-space: nowrap;
    cursor: default;
}

/* 悬停效果 */
.menu-item:hover {
    background: rgba(147, 112, 219, 0.2);
}

.menu-item:hover .submenu {
    display: block;
}

.submenu-item:hover {
    background: rgba(147, 112, 219, 0.3);
}

/* 移除之前的margin-top */
.submenu {
    margin-top: 0;
}

/* 确保子菜单不会被其他元素遮挡 */
.menu-item {
    position: relative;
}

/* 游戏区域容器 */
.game-area {
    display: flex;
    justify-content: center;
    gap: 20px;
    position: relative;
    width: fit-content;
    margin: 20px auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    z-index: 1;
    height: fit-content;
}

.panel {
    width: 800px;
    height: 800px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

/* 统计信息样式优化 */
.stats {
    width: 90%;
    max-width: 1800px;
    min-width: 800px;
    margin: 20px auto;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    display: flex;
    justify-content: center;
    gap: 30px;
    z-index: 1;
    position: relative;
}

/* 实验室标识样式 */
.lab-info {
    width: 90%;
    max-width: 1800px;
    min-width: 800px;
    margin: 20px auto;
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    position: relative;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    letter-spacing: 0.5px;
    font-weight: 400;
    font-family: "Segoe UI", Arial, sans-serif;
}

.stat-item {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.stat-item label {
    color: rgba(255, 255, 255, 0.9);
}

.stat-item span {
    font-weight: bold;
    color: rgba(255, 255, 255, 0.9);
}

/* 弹窗容器样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3000;
}

/* 弹窗内容样式 */
.modal-content {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border-radius: 12px;
    padding: 25px;
    min-width: 400px;
    text-align: center;
}

.modal-content h2 {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-group input[type="number"] {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 6px;
    padding: 8px 12px;
}

.radio-group {
    display: flex;
    gap: 15px;
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.button-group button {
    padding: 8px 20px;
    margin-left: 10px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.button-group button:hover {
    background: #0056b3;
}

/* 添加到现有样式的末尾 */
.challenge-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px 0;
}

.challenge-info p {
    margin: 10px 0;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 游戏状态指示器 */
.game-status {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    background: rgba(0,0,0,0.8);
    color: white;
    border-radius: 4px;
    display: none;
}

/* 提示线样式 */
.hint-line {
    position: absolute;
    background: rgba(255,255,255,0.5);
    pointer-events: none;
}

/* 自定义模式对话框样式 */
.custom-mode-dialog {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    color: rgba(255, 255, 255, 0.9);
}

.custom-mode-dialog h2 {
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 25px;
}

.custom-mode-dialog .form-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-mode-dialog .form-group > label {
    width: 105px;
    text-align: right;
    margin-right: 15px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.4;
    white-space: pre-wrap;
}

.custom-mode-dialog .form-group input[type="number"],
.custom-mode-dialog .form-group select {
    width: 180px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.9);
    box-sizing: border-box;
}

.custom-mode-dialog .form-group select option {
    background: rgba(28, 27, 34, 1);
    color: rgba(255, 255, 255, 0.9);
}

.custom-mode-dialog .color-scheme {
    margin-top: 20px;
    align-items: flex-start;
}

.custom-mode-dialog .color-scheme > label {
    margin-top: 15px;
}

.custom-mode-dialog .radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 180px;
    box-sizing: border-box;
}

.custom-mode-dialog .radio-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.custom-mode-dialog .button-group {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.custom-mode-dialog button {
    padding: 5px 20px;
    background: #e0e0e0;
    border: 1px solid #999;
    border-radius: 3px;
    cursor: pointer;
}

.custom-mode-dialog button:hover {
    background: #d0d0d0;
}

/* 按钮样式优化 */
button {
    background: linear-gradient(135deg, 
        rgba(147, 112, 219, 0.8),  /* 浅紫色 */
        rgba(106, 90, 205, 0.9)    /* 深紫色 */
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

button:hover {
    background: linear-gradient(135deg,
        rgba(106, 90, 205, 0.9),   /* 深紫色 */
        rgba(147, 112, 219, 0.8)   /* 浅紫色 */
    );
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(147, 112, 219, 0.3);
}

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

/* 修改菜单显示 */
.menu-item:hover .submenu {
    display: block;
    z-index: 1002;
}

/* 修改输入框样式 */
.custom-mode-dialog .form-group input[type="number"],
.custom-mode-dialog .form-group select {
    width: 180px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.9);
    box-sizing: border-box;
    font-size: 14px;
}

/* 修改单选按钮组样式 */
.radio-group {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
}

.radio-item label {
    color: rgba(255, 255, 255, 0.9);
    width: auto !important;
    text-align: left !important;
    margin: 0 !important;
    display: inline-block !important;
    cursor: pointer;
}

/* 统一按钮样式 */
.custom-mode-dialog button,
.button-group button {
    background: linear-gradient(135deg, 
        rgba(147, 112, 219, 0.8),
        rgba(106, 90, 205, 0.9)
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.custom-mode-dialog button:hover,
.button-group button:hover {
    background: linear-gradient(135deg,
        rgba(106, 90, 205, 0.9),
        rgba(147, 112, 219, 0.8)
    );
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(147, 112, 219, 0.3);
}

/* 确保画布不会被样式影响 */
canvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

/* 自定义弹窗样式 */
.custom-alert {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    border-radius: 12px;
    margin-left: -10px;  /* 补偿gap的一半 */
}

.custom-alert-content {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border-radius: 12px;
    padding: 25px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

.custom-alert-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    margin: 0 0 25px 0;
    white-space: pre-line;
    line-height: 1.5;
}

.custom-alert-content button {
    background: linear-gradient(135deg, 
        rgba(147, 112, 219, 0.8),
        rgba(106, 90, 205, 0.9)
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 10px 30px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.custom-alert-content button:hover {
    background: linear-gradient(135deg,
        rgba(106, 90, 205, 0.9),
        rgba(147, 112, 219, 0.8)
    );
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(147, 112, 219, 0.3);
}

.custom-alert-content button:active {
    transform: translateY(0);
}

/* 标题样式 */
h1 {
    text-align: center;
    margin: 0 0 20px 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 24px;
}

/* 添加响应式布局 */
@media screen and (max-width: 1200px) {
    .menu-bar,
    .game-area,
    .stats {
        width: 95%;
    }
}

@media screen and (max-width: 900px) {
    .menu-bar,
    .game-area,
    .stats {
        min-width: 600px;
    }
}

/* 闯关模式样式 */
.level-details {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
    color: rgba(255, 255, 255, 0.9);
}

#levelSelector {
    padding: 5px;
    font-size: 16px;
    width: 300px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

#levelSelector option {
    background: rgba(28, 27, 34, 1);
    color: rgba(255, 255, 255, 0.9);
    padding: 8px;
}

.level-complete {
    text-align: center;
}

.level-complete h2 {
    color: #4CAF50;
}

/* 确保画布容器也是相对定位 */
#leftPanel, #rightPanel {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    display: block;
    line-height: 0;
}

/* 画布容器包装器 */
.panels-wrapper {
    display: flex;
    gap: 20px;
    position: relative;
    line-height: 0;
}

/* 闯关模式对话框样式 */
#challengeModeDialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(28, 27, 34, 0.75);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    width: 300px;
    text-align: center;
}

#challengeModeDialog h2 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

#levelSelector {
    width: 70%;
    margin: 15px auto;
    padding: 10px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

#levelSelector option {
    background: rgba(28, 27, 34, 0.9);
    color: rgba(255, 255, 255, 0.9);
    padding: 8px;
}

#challengeModeDialog .button-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

#challengeModeDialog button {
    padding: 10px 25px;
    border: none;
    border-radius: 6px;
    background: linear-gradient(135deg, 
        rgba(147, 112, 219, 0.8),
        rgba(106, 90, 205, 0.8)
    );
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#challengeModeDialog button:hover {
    background: linear-gradient(135deg,
        rgba(147, 112, 219, 0.9),
        rgba(106, 90, 205, 0.9)
    );
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(147, 112, 219, 0.3);
}

/* 将弹窗容器移动到游戏区域内 */
.game-area {
    position: relative;  /* 确保是相对定位 */
}

/* 将弹窗移动到game-area内部 */
#challengeModeDialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}