/* --- 字體 --- */
@font-face {
    font-family: "zpix";
    src: url("../fonts/zpix.ttf") format("truetype");
    font-display: swap;
}

:root {
    --primary: #ff6b9d;
    --secondary: #ff8fab;
    --accent: #ffa8cc;
    --background: #0a0e1a;
    --surface: #1a1f35;
    --text: #ffffff;
    --text-muted: #94a3b8;
}

/* --- 全站字體 --- */
body,
.md-typeset {
    font-family: "zpix", "Noto Sans TC", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
}

/* --- 頂部導覽列 --- */
.md-header {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 107, 157, 0.2);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}
.md-header__title {
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* --- Tabs 導覽 --- */
.md-tabs { background: transparent; }
.md-tabs__link {
    font-weight: 600;
    border-radius: 8px;
    padding: 0.4rem 0.8rem;
    color: var(--text-muted);
}
.md-tabs__link--active,
.md-tabs__link:hover {
    color: var(--primary);
    background: rgba(255, 107, 157, 0.1);
}

/* --- 按鈕 --- */
.md-typeset .md-button,
.md-typeset .md-button--primary {
    border-radius: 8px;
    font-weight: 700;
    padding: 0.5rem 1rem;
    transition: all 0.2s;
}
.md-typeset .md-button--primary {
    background: var(--primary);
    color: #fff;
    border: none;
}
.md-typeset .md-button--primary:hover { background: var(--secondary); }

/* --- 卡片 & 提示區塊 --- */
.md-typeset .admonition,
.md-typeset details {
    border-radius: 12px;
    border: 1px solid rgba(255, 107, 157, 0.2);
    background: rgba(255, 255, 255, 0.02);
}

/* --- 區塊標題 H2/H3 --- */
.md-typeset h2,
.md-typeset h3 {
    font-family: "zpix", monospace;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Footer --- */
footer {
    background: var(--surface);
    border-top: 1px solid rgba(255, 107, 157, 0.2);
    padding: 1rem 0.5rem;
    text-align: center;
}
footer .footer-content {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
}
footer .footer-content p { margin: 0.1rem 0; }

/* ====== 深色主題可讀性 ====== */
.md-main { background: var(--background); color: var(--text); }
.md-sidebar,
.md-nav--primary,
.md-nav--secondary { background: var(--surface); }

/* ====== 手機版導航修正 - 強化版 ====== */
/* 手機版漢堡選單強制背景 */
@media screen and (max-width: 76.1875em) {
  /* 主選單容器 */
  .md-nav--primary {
    background: var(--surface) !important;
    background-color: var(--surface) !important;
  }
  
  /* 選單覆蓋層 */
  .md-overlay {
    background: rgba(0, 0, 0, 0.7) !important;
    background-color: rgba(0, 0, 0, 0.7) !important;
  }
  
  /* 側邊欄容器 */
  .md-sidebar--primary {
    background: var(--surface) !important;
    background-color: var(--surface) !important;
  }
  
  /* 選單內部 */
  .md-nav--primary .md-nav__list {
    background: var(--surface) !important;
    background-color: var(--surface) !important;
  }
  
  /* 選單項目保持透明，但確保父容器有背景 */
  .md-nav--primary .md-nav__item {
    background: transparent !important;
  }
  
  /* 選單標題區域 */
  .md-nav--primary .md-nav__title {
    background: rgba(255, 107, 157, 0.1) !important;
    background-color: rgba(255, 107, 157, 0.1) !important;
    border-bottom: 1px solid rgba(255, 107, 157, 0.2) !important;
  }
  
  /* 手機版選單 hover 效果 */
  .md-nav--primary .md-nav__link:hover,
  .md-nav--primary .md-nav__link:focus {
    background: rgba(255, 255, 255, 0.08) !important;
    border-radius: 6px !important;
    color: var(--primary) !important;
  }
  
  .md-nav--primary .md-nav__link--active {
    background: rgba(255, 107, 157, 0.2) !important;
    border-radius: 6px !important;
    color: var(--primary) !important;
  }
}

/* 手機版選單按鈕 */
.md-header__button {
  color: var(--text) !important;
}

/* 確保手機版不受全域透明影響 */
@media screen and (max-width: 76.1875em) {
  .md-sidebar--primary,
  .md-sidebar--primary *:not(.md-nav__item) {
    background: var(--surface) !important;
  }
}

/* 連結顏色 */
.md-typeset a { color: var(--primary); }
.md-typeset a:hover { color: var(--secondary); }
.md-nav__link { color: var(--text-muted); }

/* 表格 */
.md-typeset table:not([class]) {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.12);
}
.md-typeset table:not([class]) th,
.md-typeset table:not([class]) td {
  color: var(--text);
  border-color: rgba(255,255,255,0.12);
}
.md-typeset table:not([class]) th { background: rgba(255,255,255,0.04); }

/* 程式碼區塊 */
.md-typeset code {
  background: #111827;
  color: #e5e7eb;
  border-radius: 6px;
}
.md-typeset pre {
  background: #0b1220;
  color: #e5e7eb;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
}

/* 區塊引用、水平線 */
.md-typeset blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(255,255,255,0.03);
}
.md-typeset hr { border-color: rgba(255,255,255,0.12); }

/* 搜尋面板 */
.md-search__form { background: var(--surface); }
.md-search__input { color: var(--text); }

/* ====== FIXED: 徹底清除所有導航背景 ====== */

/* 最高優先級：強制移除所有導航相關背景 */
/* 但排除手機版主導航 */
.md-sidebar:not(.md-sidebar--primary) *,
.md-nav:not(.md-nav--primary) *,
.md-nav--secondary *,
.md-sidebar--secondary * {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}

/* 桌面版導航背景清除 */
@media screen and (min-width: 76.25em) {
  .md-nav *,
  .md-sidebar * {
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    box-shadow: none !important;
  }
}

/* 特別針對右側 TOC */
.md-sidebar--secondary,
.md-sidebar--secondary .md-sidebar__scrollwrap,
.md-sidebar--secondary .md-nav,
.md-sidebar--secondary .md-nav__list,
.md-sidebar--secondary .md-nav__item,
.md-sidebar--secondary .md-nav__link {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
}

/* 清除所有偽元素 */
.md-nav *::before,
.md-nav *::after,
.md-sidebar *::before,
.md-sidebar *::after {
  background: none !important;
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
  content: none !important;
  display: none !important;
}

/* 清除所有可能的選擇器組合 */
.md-nav__item,
.md-nav__item--nested,
.md-nav__item:nth-child(n),
.md-nav__item:nth-of-type(n),
li.md-nav__item {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
}

/* 清除父容器可能的背景 */
.md-nav__title,
.md-sidebar__scrollwrap,
.md-sidebar__inner,
.md-sidebar {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}

/* 只在 hover/active 才加背景 */
.md-nav__link:hover,
.md-nav__link:focus {
  background: rgba(255, 255, 255, 0.05) !important;
  background-color: rgba(255, 255, 255, 0.05) !important;
  border-radius: 6px !important;
  color: var(--primary) !important;
}

.md-nav__item .md-nav__link--active {
  background: rgba(255, 107, 157, 0.15) !important;
  background-color: rgba(255, 107, 157, 0.15) !important;
  border-radius: 6px !important;
  color: var(--primary) !important;
}

/* ====== 核彈級背景清除 ====== */
/* 如果上面還不夠，使用這個終極方案 */
.md-sidebar--secondary * {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
}

/* 強制覆蓋任何可能的 CSS 變數背景 */
.md-nav__item {
  --md-nav-item-background: transparent !important;
  --md-nav-item-background-color: transparent !important;
}

/* ====== FIXED: Emoji 修正 ====== */

/* 確保 emoji 正確顯示 */
.md-typeset :is(p, li, span, strong, em, h1, h2, h3, h4, h5, h6) {
  -webkit-text-fill-color: unset !important;
  color: inherit !important;
}

/* Emoji 字體回退 */
.emoji,
span:has(img[src*="emoji"]),
*:contains("🌸"),
*:contains("🔥"),
*:contains("💎"),
*:contains("🏪"),
*:contains("⚙️") {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "zpix", sans-serif !important;
  color: inherit !important;
  -webkit-text-fill-color: unset !important;
}

/* 修正 admonition 圖示 */
.md-typeset .admonition-title:before,
.md-typeset .admonition-title::before {
  color: inherit !important;
  -webkit-text-fill-color: unset !important;
}

/* ====== 搜尋 highlight 柔和 ====== */
.md-typeset mark {
  background: rgba(255,168,204,0.18) !important;
  color: var(--text) !important;
}