/* ========================================
   现实逃逸主义 Escapism - Apple 风格镜面磨砂系统
   ======================================== */

/* 引入 Inter 字体 - 工业功能主义 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

body {
    margin: 0;
    background: linear-gradient(135deg, #E8E8E8 0%, #F0F0F0 50%, #E8E8E8 100%); /* Apple 风格渐变背景 */
    color: #1D1D1F; /* Apple 文本色 */
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: hidden;
}

/* 背景噪点层 - 极其微妙的纹理 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.008;
    z-index: 1;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* 通用镜面磨砂玻璃样式 */
.glass-panel {
    background: rgba(255, 255, 255, 0.72); /* Apple 风格半透明白 */
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.65); /* 高光边框 */
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.03), /* 极细深色内阴影 */
        0 4px 6px -1px rgba(0, 0, 0, 0.05), /* 柔和投影 */
        0 12px 24px -4px rgba(0, 0, 0, 0.08), /* 深度投影 */
        inset 0 1px 0 rgba(255, 255, 255, 0.8); /* 顶部高光 */
}

#ui-layer {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 100;
    padding: 24px;
    border-radius: 14px; /* Apple 圆角 */
    max-width: 320px;
    width: 320px;
    /* 继承镜面样式 */
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.04),
        0 4px 12px rgba(0, 0, 0, 0.08),
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#ui-layer.minimized {
    width: auto;
    padding: 16px;
    min-width: auto;
}

#ui-layer.minimized #ui-content {
    display: none;
}

.ui-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

#ui-layer h3 {
    margin: 0;
    font-size: 16px;
    color: #1D1D1F; /* Apple 深色文本 */
    font-weight: 600;
    letter-spacing: -0.01em; /* Apple 紧凑字间距 */
    text-transform: none;
}

.minimize-btn {
    background: rgba(120, 120, 128, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: #1D1D1F;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.minimize-btn:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: rgba(0, 122, 255, 0.3);
    color: #007AFF;
    box-shadow:
        0 2px 6px rgba(0, 122, 255, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.expand-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 99;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.7);
    color: #1D1D1F;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.04),
        0 4px 12px rgba(0, 0, 0, 0.08),
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
}

.expand-btn:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 122, 255, 0.3);
    color: #007AFF;
    box-shadow:
        0 0 0 1px rgba(0, 122, 255, 0.15),
        0 8px 24px rgba(0, 122, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

input {
    padding: 12px 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px; /* Apple 圆角输入框 */
    background: rgba(255, 255, 255, 0.8);
    color: #1D1D1F;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

input:focus {
    outline: none;
    border-color: #007AFF; /* Apple 蓝 */
    box-shadow:
        0 0 0 4px rgba(0, 122, 255, 0.1),
        inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

button {
    padding: 11px 18px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: #1D1D1F;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px; /* Apple 按钮圆角 */
    margin: 4px 4px 4px 0;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.01em;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

button:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
    box-shadow:
        0 4px 8px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

button:active {
    transform: translateY(0);
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

#status {
    font-size: 13px;
    margin-top: 16px;
    color: #1D1D1F;
    font-weight: 400;
    letter-spacing: -0.01em;
    opacity: 0.6;
}

.hint {
    font-size: 12px;
    color: #1D1D1F;
    margin-top: 8px;
    font-weight: 400;
    opacity: 0.5;
    line-height: 1.5;
}

canvas {
    display: block;
    position: relative;
    z-index: 2;
    border-radius: 20px;
    /* 核心：通过多层阴影营造深度感 - 嵌入式镜面效果 */
    box-shadow:
        /* 外部高光：增加厚度 */
        0 10px 30px rgba(0, 0, 0, 0.5),
        /* 内部阴影：营造"嵌入"屏幕的凹陷感 */
        inset 0 0 50px rgba(0, 0, 0, 0.8),
        /* 边缘金属反光 - Media Silver */
        inset 0 0 2px 1px rgba(192, 192, 192, 0.3);

    transition: transform 0.1s ease-out; /* 让 3D 旋转平滑 */
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #000;
    transform-style: preserve-3d;
}

/* 风格按钮容器 */
.style-buttons {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.style-btn {
    flex: 1;
    min-width: 80px;
    padding: 10px 14px;
    font-size: 12px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 10px; /* Apple 圆角 */
}

/* 三种风格 - 使用 Apple 风格的微妙差异 */
.style-btn[data-style="techno"] {
    background: rgba(120, 120, 128, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    color: #1D1D1F;
}

.style-btn[data-style="techno"]:hover {
    background: rgba(0, 122, 255, 0.1); /* Apple 蓝 */
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow:
        0 2px 8px rgba(0, 122, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.style-btn[data-style="zen"] {
    background: rgba(120, 120, 128, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
    color: #1D1D1F;
}

.style-btn[data-style="zen"]:hover {
    background: rgba(52, 199, 89, 0.1); /* Apple 绿 */
    border-color: rgba(52, 199, 89, 0.3);
    box-shadow:
        0 2px 8px rgba(52, 199, 89, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.style-btn[data-style="retro"] {
    background: rgba(120, 120, 128, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: #1D1D1F;
}

.style-btn[data-style="retro"]:hover {
    background: rgba(255, 149, 0, 0.1); /* Apple 橙 */
    border-color: rgba(255, 149, 0, 0.3);
    box-shadow:
        0 2px 8px rgba(255, 149, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* 摄像头视频样式 - 镜面磨砂质感 */
#webcam {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 280px;
    height: 210px;
    border-radius: 16px; /* Apple 大圆角 */
    object-fit: cover;
    transform: scaleX(-1);
    opacity: 0.7;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 50;
    /* 镜面磨砂边框 */
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.1),
        0 8px 32px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

#webcam:hover {
    opacity: 0.95;
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow:
        0 0 0 1px rgba(0, 122, 255, 0.15),
        0 12px 48px rgba(0, 122, 255, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Strudel 切换按钮 */
.toggle-btn {
    background: rgba(120, 120, 128, 0.08);
    color: #1D1D1F;
    margin-top: 12px;
    width: 100%;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.toggle-btn:hover {
    background: rgba(0, 122, 255, 0.1); /* Apple 蓝 */
    border-color: rgba(0, 122, 255, 0.3);
    color: #007AFF;
    box-shadow:
        0 2px 8px rgba(0, 122, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* Strudel 面板 - Apple 风格镜面磨砂 */
#strudel-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    max-width: 1000px;
    height: 82vh;
    /* Apple 风格镜面磨砂 */
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(50px) saturate(180%);
    -webkit-backdrop-filter: blur(50px) saturate(180%);
    border-radius: 16px; /* Apple 大圆角 */
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.04),
        0 8px 32px rgba(0, 0, 0, 0.12),
        0 40px 80px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    z-index: 200;
    display: flex;
    flex-direction: column;
}

.strudel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px 16px 0 0;
}

.strudel-header h3 {
    margin: 0;
    color: #1D1D1F;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.run-btn {
    background: rgba(0, 122, 255, 0.9); /* Apple 蓝 */
    color: white;
    padding: 10px 20px;
    margin: 0 6px;
    border: none;
    border-radius: 8px;
    box-shadow:
        0 2px 8px rgba(0, 122, 255, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.run-btn:hover {
    background: rgb(0, 122, 255);
    box-shadow:
        0 4px 12px rgba(0, 122, 255, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.stop-btn {
    background: rgba(120, 120, 128, 0.08);
    color: #1D1D1F;
    padding: 10px 20px;
    margin: 0 6px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.stop-btn:hover {
    background: rgba(120, 120, 128, 0.15);
    box-shadow:
        0 2px 6px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.close-btn {
    background: transparent;
    color: #1D1D1F;
    font-size: 20px;
    padding: 8px 12px;
    margin: 0;
    opacity: 0.4;
    transition: all 0.2s;
    border-radius: 8px;
}

.close-btn:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
}

.strudel-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    overflow: hidden;
}

#strudel-code {
    flex: 1;
    background: rgba(255, 255, 255, 0.5);
    color: #1D1D1F;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    padding: 18px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.7;
    resize: none;
    outline: none;
}

#strudel-code:focus {
    border-color: rgba(0, 122, 255, 0.4);
    box-shadow:
        0 0 0 4px rgba(0, 122, 255, 0.08),
        inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.strudel-examples {
    margin-top: 16px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.strudel-examples h4 {
    margin: 0 0 12px 0;
    color: #1D1D1F;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: -0.02em;
    opacity: 0.7;
}

.example-btn {
    background: rgba(255, 255, 255, 0.8);
    color: #1D1D1F;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 8px 14px;
    margin: 4px;
    font-size: 12px;
    font-family: 'Inter', sans-serif;
    border-radius: 8px;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.example-btn:hover {
    background: rgba(0, 122, 255, 0.1);
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow:
        0 2px 6px rgba(0, 122, 255, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

#strudel-output {
    margin-top: 16px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 12px;
    min-height: 100px;
    max-height: 150px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 12px;
    color: #1D1D1F;
    opacity: 0.7;
}

#strudel-output.success {
    border-color: rgba(52, 199, 89, 0.4);
    color: #1D1D1F;
    opacity: 1;
    background: rgba(52, 199, 89, 0.08);
}

#strudel-output.error {
    border-color: rgba(255, 59, 48, 0.4);
    color: #1D1D1F;
    opacity: 0.9;
    background: rgba(255, 59, 48, 0.06);
}