// Stellar 配色方案

@require('color')
@require('func')
@require('fonts')
@require('layout')

$c-red = $color-md-red
$c-orange = #FA6400
$c-amber = $color-mac-yellow
$c-yellow = #ffe659
$c-green = $color-mac-green
$c-cyan = $color-mac-cyan
$c-blue = $color-md-blue
$c-purple = $color-md-purple
$c-base-hue = 210deg // 背景/文本颜色的主基调（一般看不出来不需要修改）
$c-theme = $color-theme  // 主题色
$c-accent = $color-hover  // 强调色
$c-link = $color-link  // 链接
$site-background-image = null

// 用来进行设备适配，请勿修改
$device-mobile-375 = $device-mobile-m
$device-mobile-425 = $device-mobile-l
$device-mobile-iphone-max = 450px
$device-mobile-max = 667px

// font family
$ff-body = $fontfamily
$ff-code = $fontfamily-code
$ff-codeblock = $fontfamily-code

// font size
$fs-body = $fontsize-root
$fs-code = $fontsize-code
$fs-codeblock = $fontsize-code

$fsh1 = 'calc(%s + 9px)' % $fs-body
$fsh2 = 'calc(%s + 11px)' % $fs-body
$fsh3 = 'calc(%s + 7px)' % $fs-body
$fsh4 = 'calc(%s + 4px)' % $fs-body
$fsh5 = 'calc(%s + 2px)' % $fs-body

$fsp0 = 'calc(%s - 0px)' % $fs-body
$fsp1 = 'calc(%s - 1px)' % $fs-body
$fsp2 = 'calc(%s - 2px)' % $fs-body
$fsp3 = 'calc(%s - 3px)' % $fs-body

$border-bar = 8px
$border-image-s = 8px
$border-image = 8px

svg-mask-icon($svg)
  -webkit-mask-image: url($svg)
  -webkit-mask-repeat: no-repeat
  -webkit-mask-position: center
  -webkit-mask-size: contain
  mask-image: url($svg)
  mask-repeat: no-repeat
  mask-position: center
  mask-size: contain

// 通用 hsla 函数
x-hsla(h = var(--hue), s = var(--sat), l = var(--light), a = var(--alpha))
  return unquote('hsla(%s %s %s / %s)' % (h s l a))

// 设置不同透明度的主题色
x-theme-alpha(a = 1)
  return unquote('hsla(%s %s %s / %s)' % (var(--hue) var(--sat) var(--light) a))

// 设置基础主题色
x-set-theme-with-color($color)
  --hue: hue($color)
  --sat: saturation($color)
  --light: lightness($color)
  --alpha: alpha($color)
  --theme: x-theme-alpha(1)
  --theme-a10: x-theme-alpha(0.1)
  --theme-a20: x-theme-alpha(0.2)
  --theme-a30: x-theme-alpha(0.3)
  --theme-a50: x-theme-alpha(0.5)
  --theme-a90: x-theme-alpha(0.9)

// 设置链接颜色
x-set-link-with-color($color)
  $hue = hue($color)
  $sat = saturation($color)
  $light = lightness($color)
  --link: x-hsla($hue, $sat, $light, 1)
  --link-a20: x-hsla($hue, $sat, $light, 0.2)

// 设置背景色
x-set-bg-colors($scheme)
  $hue = $c-base-hue
  $sat = 0%
  $light = $scheme == 'dark' ? 0% : 100%
  --bg-a20: x-hsla($hue, $sat, $light, 0.2)
  --bg-a50: x-hsla($hue, $sat, $light, 0.5)
  --bg-a60: x-hsla($hue, $sat, $light, 0.6)
  --bg-a75: x-hsla($hue, $sat, $light, 0.75)
  --bg-a100: x-hsla($hue, $sat, $light, 1)

// 设置文本及相关色
x-set-text-colors($scheme, $p0 = 1, $p1 = 0.8, $p2 = 0.7, $p3 = 0.5, $p4 = 0.4)
  $hue = $c-base-hue
  $sat = 0%
  $light = $scheme == 'dark' ? 100% : 0%
  
  --text: x-hsla($hue, $sat, $light, $p0)
  --text-reverse: x-hsla($hue, $sat, $scheme == 'dark' ? 0% : 100%, $p0)
  --text-p1: x-hsla($hue, $sat, $light, $p1)
  --text-p2: x-hsla($hue, $sat, $light, $p2)
  --text-p3: x-hsla($hue, $sat, $light, $p3)
  --text-p4: x-hsla($hue, $sat, $light, $p4)

  --text-meta: x-hsla($hue, $sat, $light, 0.2)
  --text-code: x-hsla($hue, $sat, $light, 0.9)

  --text-a10: x-hsla($hue, $sat, $light, 0.1)
  --text-a20: x-hsla($hue, $sat, $light, 0.2)

  $sat = $scheme == 'dark' ? 24% : 50%
  $light = $scheme == 'dark' ? 72% : 12%
  $alpha = $scheme == 'dark' ? 0.08 : 0.04
  --block: x-hsla($hue, $sat, $light, $alpha)
  --block-border: x-hsla($hue, $sat, $light, $alpha * 1.5)


// ---------------- apply theme ----------------
// 设置浅色模式
dynamic-theme-light()
  $hue = $c-base-hue
  --background: x-hsla($hue, 20%, 98%, 1)
  --card: $site-background-image ? hsla(white, 0.5) : white

  x-set-bg-colors('light')
  x-set-text-colors('light')

// 设置深色模式
dynamic-theme-dark()
  $hue = $c-base-hue
  --background: x-hsla($hue, 8%, 12%, 1)
  @media screen and (max-width: $device-mobile-max)
    --background: black
  --card: $site-background-image ? hsla(white, 0.25) : x-hsla($hue, 10%, 24%, 1)

  x-set-bg-colors('dark')
  x-set-text-colors('dark')
  --text-code: x-hsla(20, 75, 60, 1)




// 多彩扩展（文字、链接、边框等都变成彩色）
x-set-theme-colorful($scheme = 'light', $color, $text = true)
  $hue = hue($color)
  x-set-theme-with-color($color)
  x-set-link-with-color($color)
  if $scheme == 'dark'
    --theme-border: x-hsla($hue, 40%, 24%)
    --theme-block: x-hsla($hue, 24%, 24%)
    --theme-mark: x-hsla($hue, 24%, 24%)
    --theme-codeblock: x-hsla($hue, 12%, 24%)
    if text
      --text: x-hsla($hue, 50%, 75%, 1)
      --text-p1: x-hsla($hue, 80%, 80%, 1)
      --text-p2: x-hsla($hue, 80%, 80%, 0.8)
      --text-p3: x-hsla($hue, 80%, 80%, 0.6)
      --text-p4: x-hsla($hue, 80%, 80%, 0.4)
      --link: x-hsla($hue, 80%, 60%, 1)
      --link-a20: x-hsla($hue, 80%, 60%, 0.2)
  else
    --theme-border: x-hsla($hue, 50%, 80%)
    --theme-block: x-hsla($hue, 90%, 92%)
    --theme-mark: x-hsla($hue, 95%, 80%)
    --theme-codeblock: x-hsla($hue, 50%, 95%)
    if text
      --text: x-hsla($hue, 55%, 16%, 1)
      --text-p1: x-hsla($hue, 90%, 20%, 1)
      --text-p2: x-hsla($hue, 90%, 20%, 0.8)
      --text-p3: x-hsla($hue, 90%, 20%, 0.6)
      --text-p4: x-hsla($hue, 90%, 20%, 0.4)
      --link: x-hsla($hue, 95%, 32%, 1)
      --link-a20: x-hsla($hue, 95%, 32%, 0.2)

_dark_tags()
  .tag-plugin.tag
    x-set-theme-colorful('dark', $c-theme)
  .colorful[color='red']
    x-set-theme-colorful('dark', $c-red)
  .colorful[color='orange']
    x-set-theme-colorful('dark', $c-orange)
  .colorful[color='amber']
    x-set-theme-colorful('dark', $c-amber)
  .colorful[color='yellow']
    x-set-theme-colorful('dark', $c-yellow)
  .colorful[color='green']
    x-set-theme-colorful('dark', $c-green)
  .colorful[color='cyan']
    x-set-theme-colorful('dark', $c-cyan)
  .colorful[color='blue']
    x-set-theme-colorful('dark', $c-blue)
  .colorful[color='purple']
    x-set-theme-colorful('dark', $c-purple)





stellar-root-first()
  :root
    // 主题色
    x-set-theme-with-color($c-theme)
    // 强调色
    --accent: $c-accent
    // 链接
    x-set-link-with-color($c-link)

    // dynamic colors
    dynamic-theme-light()
    if hexo-config('plugins.darkmode.enable')
      @media (prefers-color-scheme: dark)
        dynamic-theme-dark()


  :root[color-scheme="light"]
    dynamic-theme-light()
  if hexo-config('plugins.darkmode.enable')
    :root[color-scheme="dark"]
      dynamic-theme-dark()


stellar-root-async()
  .tag-plugin
    --theme-border: var(--block-border)
    --theme-block: var(--block)
    --theme-mark: var(--block)
    --theme-codeblock: var(--block)

  .colorful[color='red']
    x-set-theme-colorful('light', $c-red)
  .colorful[color='orange']
    x-set-theme-colorful('light', $c-orange)
  .colorful[color='amber']
    x-set-theme-colorful('light', $c-amber)
  .colorful[color='yellow']
    x-set-theme-colorful('light', $c-yellow)
  .colorful[color='green']
    x-set-theme-colorful('light', $c-green)
  .colorful[color='cyan']
    x-set-theme-colorful('light', $c-cyan)
  .colorful[color='blue']
    x-set-theme-colorful('light', $c-blue)
  .colorful[color='purple']
    x-set-theme-colorful('light', $c-purple)
  .colorful[color='theme']
    x-set-theme-colorful('light', $c-theme)
  .colorful[color='accent']
    x-set-theme-colorful('light', $c-accent)

  .colorful[color='light']
    --theme: white
    --theme-block: var(--theme)
    --theme-mark: var(--theme)
    --theme-codeblock: var(--theme)
    dynamic-theme-light()

  .colorful[color='dark']
    dynamic-theme-dark()
    --theme: #111
    --theme-border: none
    --theme-block: var(--theme)
    --theme-mark: var(--theme)
    --theme-codeblock: var(--theme)

  .colorful[color='warning']
    x-set-theme-colorful('light', $c-yellow, false)
    dynamic-theme-light()
    x-set-link-with-color($c-red)
    --theme-border: none
    --theme-block: var(--theme)
    --text-code: var(--text-p1)

  .colorful[color='error']
    x-set-theme-colorful('dark', $c-red, false)
    dynamic-theme-dark()
    x-set-link-with-color($c-yellow)
    --theme-border: none
    --theme-block: var(--theme)
    --text-code: var(--text-p1)

  if hexo-config('plugins.darkmode.enable')
    volantis-dark(_dark_tags)





  // 可以动态变化的属性
  :root
    --width-main: 720px
    --fsp: $fs-body
    --fsh2: 'calc(%s + 11px)' % var(--fsp)
    --fsh3: 'calc(%s + 7px)' % var(--fsp)
    --fsh4: 'calc(%s + 4px)' % var(--fsp)
  
    // 侧边栏文字内容宽度
    --side-content-width: 224px
    // 元素轮廓到容器边缘的间距
    --gap-margin: 16px
    // 元素文本内容到元素自身的轮廓的间距
    --gap-padding: 16px
  
    --gap-p: 'calc(%s + 4px)' % $fs-body // gap for paragraph
    --gap-p-compact: 'calc(%s * 0.75)' % $fs-body
    // desktop 2k or larger
    @media screen and (min-width: $device-2k)
      --width-main: 780px
    // desktop 4k or larger
    @media screen and (min-width: $device-4k)
      --width-main: 860px
    // iPad 竖屏
    @media screen and (max-width: $device-tablet)
      --side-content-width: 188px
    @media screen and (max-width: $device-mobile-max)
      --side-content-width: 224px

  // 动态计算值
  :root
    // 元素文本内容到容器边缘的间距
    --gap-max: calc(var(--gap-margin) + var(--gap-padding))


// icons

$iQuoteLeft = "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1em' height='1em' viewBox='0 0 24 24'%3E%3C!-- Icon from BoxIcons Solid by Atisa - https://creativecommons.org/licenses/by/4.0/ --%3E%3Cpath fill='currentColor' d='M3.691 6.292C5.094 4.771 7.217 4 10 4h1v2.819l-.804.161c-1.37.274-2.323.813-2.833 1.604A2.9 2.9 0 0 0 6.925 10H10a1 1 0 0 1 1 1v7c0 1.103-.897 2-2 2H3a1 1 0 0 1-1-1v-5l.003-2.919c-.009-.111-.199-2.741 1.688-4.789M20 20h-6a1 1 0 0 1-1-1v-5l.003-2.919c-.009-.111-.199-2.741 1.688-4.789C16.094 4.771 18.217 4 21 4h1v2.819l-.804.161c-1.37.274-2.323.813-2.833 1.604A2.9 2.9 0 0 0 17.925 10H21a1 1 0 0 1 1 1v7c0 1.103-.897 2-2 2'/%3E%3C/svg%3E"
$iQuoteRight = "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1em' height='1em' viewBox='0 0 24 24'%3E%3C!-- Icon from BoxIcons Solid by Atisa - https://creativecommons.org/licenses/by/4.0/ --%3E%3Cpath fill='currentColor' d='M20.309 17.708C22.196 15.66 22.006 13.03 22 13V5a1 1 0 0 0-1-1h-6c-1.103 0-2 .897-2 2v7a1 1 0 0 0 1 1h3.078a2.9 2.9 0 0 1-.429 1.396c-.508.801-1.465 1.348-2.846 1.624l-.803.16V20h1c2.783 0 4.906-.771 6.309-2.292m-11.007 0C11.19 15.66 10.999 13.03 10.993 13V5a1 1 0 0 0-1-1h-6c-1.103 0-2 .897-2 2v7a1 1 0 0 0 1 1h3.078a2.9 2.9 0 0 1-.429 1.396c-.508.801-1.465 1.348-2.846 1.624l-.803.16V20h1c2.783 0 4.906-.771 6.309-2.292'/%3E%3C/svg%3E"


// blur

:root
  --blur-px: 12px
  --blur-bg: var(--bg-a50)
  --blur-sat: 300%
blur-effect()
  background-color: var(--blur-bg)
  @supports ((-webkit-backdrop-filter:blur(var(--blur-px))) or (backdrop-filter:blur(var(--blur-px))))
    background-color: var(--blur-bg) !important
    backdrop-filter: saturate(var(--blur-sat)) blur(var(--blur-px))
    -webkit-backdrop-filter: saturate(var(--blur-sat)) blur(var(--blur-px))
  &:hover
    background-color: var(--card)