/* 日間模式：溫和米色 */
[data-md-color-scheme="default"] {
  --md-default-bg-color: #F3EEE5;
  --md-default-bg-color--light: #F7F3EC;
  --md-default-bg-color--lighter: #FAF7F1;
  --md-default-bg-color--lightest: #FFFFFF;

  --md-default-fg-color: #453B32;
  --md-default-fg-color--light: #756657;
  --md-default-fg-color--lighter: #918474;

  --md-code-bg-color: #E8DFD2;
  --md-code-fg-color: #453B32;

  --md-primary-fg-color: #82705C;
  --md-primary-fg-color--dark: #6E5C49;
  --md-accent-fg-color: #8A7660;
}

/* 夜間模式：炭灰背景、白咖啡字 */
[data-md-color-scheme="slate"] {
  --md-hue: 30;

  --md-default-bg-color: #252525;
  --md-default-bg-color--light: #2B2A28;
  --md-default-bg-color--lighter: #30302F;
  --md-default-bg-color--lightest: #383633;

  --md-default-fg-color: #E5D8C7;
  --md-default-fg-color--light: #B9AA98;
  --md-default-fg-color--lighter: #998B7B;

  --md-code-bg-color: #30302F;
  --md-code-fg-color: #E5D8C7;

  --md-primary-fg-color: #A9957C;
  --md-primary-fg-color--dark: #89765F;
  --md-accent-fg-color: #D0B99A;
}

/* Navbar：深灰棕色，降低亮度 */
[data-md-color-scheme="slate"] .md-header {
  background-color: #39332D;
}

/* 搜尋框也一起調暗 */
[data-md-color-scheme="slate"] .md-search__form {
  background-color: #2D2925;
}

/* 圓角：按鈕、搜尋框、提示框 */
.md-typeset .md-button {
  border-radius: 10px;
}

.md-search__form {
  border-radius: 12px;
}

.md-typeset .admonition {
  border-radius: 12px;
  overflow: hidden;
}

/* 程式碼區塊 */
.md-typeset pre {
  border-radius: 12px;
  overflow: hidden;
}

/* 桌面版：搜尋框在右側，深淺色切換在最右邊 */
@media screen and (min-width: 76.25em) {
  .md-header__inner {
    display: flex;
    align-items: center;
  }

  .md-header__title {
    order: 0;
  }

  /* 搜尋圖示 */
  .md-header__button[for="__search"] {
    order: 1;
  }

  /* 搜尋框 */
  .md-header__inner > .md-search {
    order: 2;
  }

  /* 深淺色切換 */
  .md-header__option {
    order: 3;
    margin-left: 0.5rem;
  }
}

/* 左側導覽列：膠囊與平滑動態 */
.md-sidebar--primary .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link {
  border-radius: 12px;
  margin: 3px 8px;
  padding: 8px 12px;
  width: auto;

  transition:
    background-color 220ms ease,
    color 180ms ease,
    transform 220ms ease;
}

/* 左側導覽列：子層資料夾縮排 */
.md-sidebar--primary .md-nav--primary .md-nav__item--nested > .md-nav {
  padding-left: 1rem;
}

/* 滑鼠移上去：背景變亮，輕微向右移動 */
.md-sidebar--primary .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link:hover {
  background-color: rgb(138 118 96 / 24%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: translateX(2px);
}

/* 深色模式：暖咖啡灰 */
[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link:hover {
  background-color: rgb(208 185 154 / 16%);
}

/* 文件圖示：暖咖啡色 */
.md-nav--primary .md-nav__item:not(.md-nav__item--nested) > .md-nav__link::before {
  content: "";
  display: inline-block;
  width: 1rem;
  height: 1rem;
  margin-right: 0.65rem;
  flex-shrink: 0;
  background-color: #C8B49A;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M6 2h9l5 5v15H6a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2m8 1.5V8h4.5zM7 12h10v1.5H7zm0 4h10v1.5H7z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M6 2h9l5 5v15H6a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2m8 1.5V8h4.5zM7 12h10v1.5H7zm0 4h10v1.5H7z'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* 文件圖示：細線條、柔和咖啡米色 */
.md-nav--primary .md-nav__item:not(.md-nav__item--nested) > .md-nav__link::before {
  content: "";
  display: inline-block;
  width: 0.95rem;
  height: 0.95rem;
  margin-right: 0.35rem;
  flex-shrink: 0;
  background-color: #B9AA98;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 3.75h8l4 4V20.25H6z M14 3.75v4h4 M9 12h6 M9 15.5h6' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 3.75h8l4 4V20.25H6z M14 3.75v4h4 M9 12h6 M9 15.5h6' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* 資料夾圖示：細線條、柔和焦糖色 */
.md-nav--primary .md-nav__item--nested > .md-nav__link::before {
  content: "";
  display: inline-block;
  width: 0.95rem;
  height: 0.95rem;
  margin-right: 0.35rem;
  flex-shrink: 0;
  background-color: #C0A47D;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3.75 7.5h6l2 2h8.5v9.75H3.75z' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3.75 7.5h6l2 2h8.5v9.75H3.75z' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* 目前選中的導覽項目：暖咖啡色膠囊 */
.md-sidebar--primary .md-nav__link--active {
  border-radius: 12px;
  background-color: rgb(138 118 96 / 18%);
  transition: background-color 180ms ease;
}

/* 深色模式：更低調的咖啡灰 */
[data-md-color-scheme="slate"]
.md-sidebar--primary .md-nav__link--active {
  background-color: rgb(208 185 154 / 12%);
}

/* 隱藏左側導覽列重複的網站標題 */
.md-sidebar--primary .md-nav--primary > .md-nav__title {
  display: none;
}

/* Navbar Logo：自然的圖示與標題比例 */
.md-header__button.md-logo {
  width: 2.2rem;
  height: 2.2rem;
  padding: 0;
  margin-right: -0.6rem;

  background-image: url("../images/coffee.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 1.4rem 1.4rem;
}

/* 隱藏 Material 原本的 Logo */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  visibility: hidden;
}