/* ========================================
   粗放主义 - 基础层：变量、重置、全局样式
   ======================================== */

/* ===== CSS 变量 ===== */
:root {
    --bg: #fffef7;
    --bg-card: #ffffff;
    --fg: #0a0a0a;
    --muted: #666666;

    --border-color: #0a0a0a;

    --accent-yellow: #ffe600;
    --accent-red: #ff3e3e;
    --accent-blue: #3e59ff;

    --border-width: 4px;
    --border-heavy: 6px;
    --shadow-offset: 10px;
    --shadow-offset-sm: 6px;

    --font-mono: 'IBM Plex Mono', 'Noto Sans SC', monospace;
    --font-display: 'Space Grotesk', 'Noto Sans SC', sans-serif;
    --font-sans: 'Noto Sans SC', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;

    /* 层级管理 */
    --z-wallpaper: 0;
    --z-content: 50;
    --z-buttons: 1000;
    --z-loading: 9998;
    --z-noise: 9999;

    /* 过渡动画参数 */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;

    /* 过渡属性分组 */
    --transition-layout:
        width var(--transition-normal), height var(--transition-normal), padding var(--transition-normal),
        margin var(--transition-normal), max-width var(--transition-normal), min-height var(--transition-normal);

    --transition-all: all var(--transition-normal);
}

/* ===== 基础重置 ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    height: 100vh;
    overflow: hidden;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

html::-webkit-scrollbar {
    display: none;
}

body {
    font-family: 'IBM Plex Mono', 'Noto Sans SC', monospace;
    font-family: var(--font-mono, 'IBM Plex Mono', 'Noto Sans SC', monospace);
    font-size: 1rem;
    line-height: 1.6;
    color: #0a0a0a;
    color: var(--fg, #0a0a0a);
    background-color: #fffef7;
    background-color: var(--bg, #fffef7);
    height: 100vh;
    overflow: hidden;
    transition:
        background-color var(--transition-normal),
        color var(--transition-normal);
}

*::-webkit-scrollbar {
    display: none;
}

* {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* 确保过渡不影响文本渲染 */
.name,
.weekday,
.clock,
.bio {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 屏幕阅读器隐藏 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}