@use 'variables' as *;
@use 'mixins' as *;

::selection {
  color: $background-color;
  background-color: $primary-color;
}

::-moz-selection {
  color: $background-color;
  background-color: $primary-color;
}

html {
  font-family: $base-font-family;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  
  &, body {
    width: 100%;
    height: 100%;
  }
}

body {
  margin: 0;
  color: $text-color;
  font-size: var(--font-size-body);
  line-height: 1.8;
  background-color: $background-color;
  font-family: $base-font-family;
}

article,
aside,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section {
  display: block;
}

audio,
canvas,
progress,
video {
  display: inline-block;
  vertical-align: baseline;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

[hidden],
template {
  display: none;
}

a {
  background-color: transparent;
  color: $link-color;
  text-decoration: none;
  
  &:active,
  &:hover {
    outline: 0;
  }
}

abbr[title] {
  border-bottom: 1px dotted;
}

b,
strong {
  font-weight: bold;
  // 移除下划线效果，让粗体更简洁
  // text-decoration: underline;
  // text-decoration-line: underline;
  // text-decoration-style: dotted;
  // text-decoration-color: currentColor;
  // text-underline-offset: 5px;
  // text-decoration-thickness: 1px;
}

u {
  text-decoration: underline;
  text-decoration-style: wavy;
  text-decoration-color: currentColor;
  text-underline-offset: clamp(4px, 0.1em, 6px); // Responsive offset
}

dfn {
  font-style: italic;
}

// 中文着重号样式 - 不影响行高
.emphasis,
.em {
  text-emphasis: filled circle;
  // text-emphasis-color: var(--color-primary);
  font-weight: normal;
  line-height: inherit; /* 保持原有行高 */
  display: inline; /* 确保行内显示 */
}

// 不同的着重号样式
.emphasis-dot {
  text-emphasis: filled dot;
  text-emphasis-color: var(--color-primary);
  line-height: inherit;
  display: inline;
}

.emphasis-circle {
  text-emphasis: filled circle;
  text-emphasis-color: var(--color-primary);
  line-height: inherit;
  display: inline;
}

.emphasis-triangle {
  text-emphasis: filled triangle;
  text-emphasis-color: var(--color-primary);
  line-height: inherit;
  display: inline;
}

.emphasis-sesame {
  text-emphasis: filled sesame;
  text-emphasis-color: var(--color-primary);
  line-height: inherit;
  display: inline;
}

mark {
  background: var(--color-warning);
  color: var(--text-inverse);
}

small {
  font-size: 80%;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

p {
  margin: var(--spacing-paragraph) 0;
}

ul,
ol {
  margin: 1rem 0;
  
  &.nav,
  &.post-list {
    margin: 0;
    padding: 0;
    list-style-type: none;
  }
}

img {
  border: 0;
  max-width: 100%;
  margin: 1rem auto;
  display: block;
}

svg:not(:root) {
  overflow: hidden;
}

figure {
  margin: 1em 40px;
}

hr {
  box-sizing: content-box;
  height: 1px;
  border: 0;
  border-top: 1px solid var(--color-border, #e1e4e8);
  margin: 1.5rem 0;
}

pre {
  overflow: auto;
  color: var(--code-text);
  font-size: var(--font-size-code);
  background-color: var(--code-background);
  font-family: $code-font-family;
}

code {
  margin: 0 2px;
  padding: 3px 5px;
  color: var(--code-keyword);
  border-radius: 2px;
  white-space: inherit;
  font-size: var(--font-size-code);
  background-color: var(--code-background);
  font-family: $code-font-family;
}

// Relative font sizing for inline code in headings
h1 code {
  font-size: 0.65em; // Relative to H1 size
}

h2 code,
h3 code {
  font-size: 0.75em; // Relative to H2-H3 size
}

h4 code,
h5 code,
h6 code {
  font-size: 0.8em; // Relative to H4-H6 size
}

// 字体分离：标题使用黑体，正文使用宋体
h1, h2, h3, h4, h5, h6 {
  font-family: $heading-font-family !important;
}

// 确保正文内容使用宋体
body, p, article, section, li, dd, dt {
  font-family: $serif-font-family;
}

// 特殊元素保持黑体
nav, button, input, select, textarea, .nav, .button, .menu, .site-nav, .nav-link {
  font-family: $heading-font-family;
}

button,
input,
optgroup,
select,
textarea {
  color: inherit;
  font: inherit;
  margin: 0;
}

button {
  overflow: visible;
  text-transform: none;
}

button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: button;
  cursor: pointer;
  
  &[disabled] {
    cursor: default;
  }
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

input {
  line-height: normal;
  
  &[type="checkbox"],
  &[type="radio"] {
    box-sizing: border-box;
    padding: 0;
  }
  
  &[type="number"] {
    &::-webkit-inner-spin-button,
    &::-webkit-outer-spin-button {
      height: auto;
    }
  }
  
  &[type="search"] {
    -webkit-appearance: textfield;
    box-sizing: content-box;
    
    &::-webkit-search-cancel-button,
    &::-webkit-search-decoration {
      -webkit-appearance: none;
    }
  }
}

table {
  width: 100%;
  margin: 1em auto;
  border-collapse: collapse;
  border-spacing: 0;
  
  thead {
    background-color: var(--surface-interactive);
    
    th {
      padding: 5px;
      min-width: 20px;
    }
  }
  
  tbody {
    tr:nth-child(2n) {
      background-color: var(--surface-elevated);
    }
    
    td {
      padding: 5px;
      vertical-align: text-top;
    }
  }
}

fieldset {
  border: 1px solid var(--border-primary);
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

legend {
  border: 0;
  padding: 0;
}

textarea {
  overflow: auto;
}

optgroup {
  font-weight: bold;
}

.container {
  margin: 0 10px 2em;
}

.hidden {
  display: none !important;
}

// Ruby 标注样式 - 为汉字添加假名读音
/*
ruby {
  ruby-align: center;
  position: relative;
  display: inline-block;
  
  rt {
    font-size: 0.6em;
    color: var(--text-secondary);
    line-height: 1;
    text-align: center;
    font-weight: normal;
    
    // 强制设置正确的 ruby 位置
    ruby-position: over;
    -webkit-ruby-position: over;
    -moz-ruby-position: over;
    
    // 确保显示为 ruby 文本
    display: ruby-text;
    
    // 防止继承 text-emphasis 样式
    text-emphasis: none;
    text-emphasis-style: none;
  }
}
*/

img.emoji {
  width: 1em !important; 
  height: 1em !important;
  vertical-align: -0.1em !important;
  margin: 0 !important;
  display: inline-block !important;
}