/**
 * AKSRT 设计令牌 v5 — Manrope + Source Serif 4 + AKSRT 绿
 * 字体由 class-aksrt-scripts.php 从 Google Fonts 加载
 */

:root {
  /* 字体 */
  --font-heading: "Manrope", -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Source Serif 4", Georgia, "Noto Serif SC", serif;
  --font-ui: -apple-system, "Segoe UI", Roboto, "JetBrains Mono", ui-monospace, monospace;
  --font-mono: "JetBrains Mono", Consolas, "Fira Code", ui-monospace, monospace;

  /* 主色 AKSRT 蓝 */
  --color-primary: #88ABDA;
  --color-primary-light: #a8c5ea;
  --color-primary-dark: #6690c4;
  --color-primary-50: rgba(136, 171, 218, 0.12);
  --color-primary-100: rgba(136, 171, 218, 0.2);

  /* Light 文字与背景 */
  --color-text: #1a1a2e;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-border: #d4d4d8;
  --color-bg: #EFEFEF;
  --color-bg-secondary: #f5f5f5;
  --color-bg-tertiary: #ebebeb;
  --code-bg: #f6f8fa;

  /* 功能色 */
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* 阴影 Light */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-drawer: 0 8px 40px rgba(0, 0, 0, 0.2);

  /* 圆角 */
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-code: 10px;
  --radius-pill: 999px;
  --radius-avatar: 50%;

  /* 布局 */
  --nav-height: 64px;
  --container-max: 1140px;
  --content-max: 1600px;
  --content-no-sidebar-max: 1480px;
  --sidebar-width: 260px;
  --space-grid: 4px;
}

html.dark,
body.theme-dark {
  --color-text: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-border: #27272a;
  --color-bg: #18181b;
  --color-bg-secondary: #1f1f23;
  --color-bg-tertiary: #27272a;
  --code-bg: #0d1117;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-drawer: 0 8px 40px rgba(0, 0, 0, 0.55);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: background-color 0.25s ease, color 0.25s ease;
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text);
}

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

a:hover {
  color: var(--color-primary);
}

img {
  max-width: 100%;
  height: auto;
}

::selection {
  background: var(--color-primary-50);
  color: var(--color-text);
}