/* 全局样式 */
:root {
    --primary-color: #3B82F6;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --background-light: #F3F4F6;
    --white: #FFFFFF;
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--background-light);
}

/* 容器样式 */
.container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 实验显示区域样式 */
.experiment-display {
    background: var(--white);
    border-radius: 1rem;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 参数控制区域样式 */
.parameter-control {
    background: var(--white);
    border-radius: 1rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

/* 滑动条样式 */
.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: #E5E7EB;
    outline: none;
    margin: 1rem 0;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

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

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #2563EB;
}

.btn-secondary {
    background-color: var(--white);
    color: var(--text-primary);
    border: 1px solid #E5E7EB;
}

.btn-secondary:hover {
    background-color: #F9FAFB;
}

/* 标签样式 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-primary {
    background-color: #EFF6FF;
    color: var(--primary-color);
}

.tag-success {
    background-color: #ECFDF5;
    color: var(--secondary-color);
}

/* 卡片样式 */
.card {
    background: var(--white);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

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

/* 图标容器样式 */
.icon-container {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* 响应式设计 */
@media (max-width: 640px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .card {
        padding: 0.75rem;
    }
    
    .btn {
        padding: 0.375rem 0.75rem;
    }
}

/* 实验数据显示样式 */
.data-display {
    background: #F8FAFC;
    border-radius: 0.5rem;
    padding: 0.75rem;
    margin: 0.5rem 0;
    font-family: monospace;
}

/* 底部导航栏样式 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid #E5E7EB;
    padding: 0.5rem 0;
    max-width: 430px;
    margin: 0 auto;
}

/* 实验控制面板样式 */
.control-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
}

/* 表格样式 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.data-table th,
.data-table td {
    padding: 0.5rem;
    text-align: left;
    border-bottom: 1px solid #E5E7EB;
}

.data-table th {
    background-color: #F9FAFB;
    font-weight: 500;
}

/* 工具提示样式 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 0.5rem;
    background-color: #1F2937;
    color: white;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 10;
}

/* iPhone风格的圆角 */
.rounded-xl {
    border-radius: 14px;
}

/* 动画效果 */
.transition-all {
    transition: all 0.25s ease;
}

/* 卡片悬停效果 */
.card-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

/* iPhone 15 Pro 圆角样式 */
.rounded-iphone {
    border-radius: 14px;
}

/* 安全区域适配 */
.safe-area-padding {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* iPhone 尺寸容器 */
.iphone-container {
    width: 393px;
    margin: 0 auto;
    position: relative;
}

/* 底部导航栏安全区域 */
.nav-safe-area {
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
}