/* style.css */
/* 逻辑架构：
1. 主题变量（莫兰迪配色 + 玻璃拟态）与暗色模式覆盖
2. 基础与排版
3. 头部与主题切换按钮
4. 布局容器与卡片（玻璃效果）
5. 信息网格与特定元素
6. HDR 模块样式
7. 响应式适配
*/

/* 1. 主题变量 (莫兰迪色系 + 玻璃拟态) */
:root {
    /* Morandi palette (muted, low saturation) */
    --color-bg: #F2F1EE;
    --color-surface: #FFFFFF;
    --color-text: #2F2F2F;
    --color-muted: #6A7A89;  /* 灰蓝 */
    --color-accent: #B3A7A0; /* 暖灰粉 */

    /* 玻璃拟态表层与边框（亮） */
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(160, 160, 160, 0.25);
    --glass-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);

    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 10px;
}

/* 系统暗色偏好时的变量覆盖（自动模式） */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1F2428;
        --color-surface: #2B3238;
        --color-text: #E6E6E6;
        --color-muted: #97A4B0;
        --color-accent: #9E9A95;

        --glass-bg: rgba(43, 50, 56, 0.45);
        --glass-border: rgba(200, 200, 200, 0.16);
        --glass-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    }
}

/* 手动主题强制（按钮切换时设置 data-theme） */
[data-theme="light"] {
    --color-bg: #F2F1EE;
    --color-surface: #FFFFFF;
    --color-text: #2F2F2F;
    --color-muted: #6A7A89;
    --color-accent: #B3A7A0;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(160, 160, 160, 0.25);
    --glass-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

[data-theme="dark"] {
    --color-bg: #1F2428;
    --color-surface: #2B3238;
    --color-text: #E6E6E6;
    --color-muted: #97A4B0;
    --color-accent: #9E9A95;
    --glass-bg: rgba(43, 50, 56, 0.45);
    --glass-border: rgba(200, 200, 200, 0.16);
    --glass-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

/* 2. 基础与排版 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    background: radial-gradient(1200px 800px at 10% 10%, color-mix(in srgb, var(--color-accent) 18%, transparent), transparent 60%),
                radial-gradient(1000px 600px at 90% 20%, color-mix(in srgb, var(--color-muted) 14%, transparent), transparent 60%),
                var(--color-bg);
    color: var(--color-text);
}

/* 3. 头部与主题切换按钮 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px) saturate(140%);
    -webkit-backdrop-filter: blur(10px) saturate(140%);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: 1rem 2.5rem;
    text-align: center;
}

.site-header h1 { color: var(--color-text); font-weight: 600; font-size: 1.4rem; }

.icon-button {
    position: absolute;
    right: 1rem;
    top: 0.8rem;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-text);
    background: transparent;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.08s ease;
}
.icon-button:hover { background: color-mix(in srgb, var(--glass-bg) 60%, transparent); }
.icon-button:active { transform: scale(0.96); }
.icon { width: 20px; height: 20px; display: block; }
/* 默认显示月亮，暗色时显示太阳以提示可切换 */
html:not([data-theme="dark"]) .icon-sun { display: none; }
html[data-theme="dark"] .icon-moon { display: none; }

/* 4. 布局容器与卡片（玻璃效果） */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    display: grid;
    gap: 1.5rem;
    /* 响应式网格：自动适配，最小 300px，最大 1fr */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    padding: 1.2rem 1.25rem;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    box-shadow: var(--glass-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card h2 {
    color: var(--color-muted);
    margin-bottom: 0.8rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px dashed var(--glass-border);
}

/* 5. 信息网格与特定元素 */
.info-grid {
    display: grid;
    gap: 0.8rem;
}

.info-grid p {
    font-size: 0.95rem;
}

.info-grid p strong {
    min-width: 120px;
    display: inline-block;
}

/* 7. 特定元素 */
#ua {
    word-break: break-all;
    font-size: 0.9rem;
}

#headers-raw {
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-family: "Courier New", Courier, monospace;
    font-size: 0.85rem;
    word-break: break-all;
    background: color-mix(in srgb, var(--color-surface) 80%, transparent);
    border: 1px solid var(--glass-border);
}

/* 6. HDR 模块样式 */
.hdr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}
.hdr-tile { display: flex; flex-direction: column; gap: 0.5rem; }
.hdr-tile h3 { font-size: 1rem; color: var(--color-text); opacity: 0.9; }
.small { font-size: 0.8rem; opacity: 0.75; }
.hint { font-size: 0.85rem; opacity: 0.8; }

.swatch-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.swatch {
    height: 64px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    display: flex; align-items: center; justify-content: center;
    color: #111;
    font-weight: 600;
}
.swatch-srgb {
    background: linear-gradient(90deg, #E36C5C, #C1D37F, #7FB7BE);
}
/* 使用广色域 P3 颜色（在不支持时将回退） */
.swatch-p3 {
    background: linear-gradient(90deg,
        color(display-p3 0.85 0.35 0.30),
        color(display-p3 0.70 0.80 0.45),
        color(display-p3 0.35 0.65 0.70)
    );
}

.video { max-width: 100%; border-radius: var(--radius-md); border: 1px solid var(--glass-border); background: #000; }

/* 页脚 */
.site-footer { text-align: center; padding: 1.5rem 1rem; opacity: 0.75; }
.site-footer small { color: var(--color-text); }

/* 7. 移动端适配 */
@media screen and (max-width: 600px) {
    .container { margin-top: 1rem; gap: 1rem; }
    .site-header { padding: 0.8rem 1rem; }
    .icon-button { right: 0.5rem; top: 0.5rem; }
    .card { padding: 1rem; }
}

/* 新增：通用按钮与白底容器样式 */
.btn {
    padding: 0.35rem 0.75rem;
    margin-left: 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: color-mix(in srgb, var(--glass-bg) 70%, transparent);
    color: var(--color-text);
    cursor: pointer;
}
.btn:hover { background: color-mix(in srgb, var(--glass-bg) 85%, transparent); }

.white-stage { display: flex; flex-direction: column; gap: 0.5rem; }
.white-info { font-size: 0.85rem; opacity: 0.8; }
.white-canvas { background:#fff; border:1px solid var(--glass-border); border-radius: var(--radius-md); padding: 8px; display:flex; align-items:center; justify-content:center; min-height:160px; }
.white-canvas img { max-width: 100%; height: auto; display:block; }