/* ============================================================
   Social.Web — Reset (基于 modern CSS reset 思想精简版，约 60 行)
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; }

html, body {
    height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    line-height: 1.6;
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg-base);
    font-size: 16px;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; padding: 0; }

p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; }

table { border-collapse: collapse; width: 100%; }

/* 滚动条暗色 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb {
    background: var(--bg-elev-2);
    border-radius: 5px;
    border: 2px solid var(--bg-base);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* 选区配色 */
::selection { background: var(--accent); color: var(--text); }

/* 焦点态 */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* 禁用动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}