/* ============================================================
 * ポケモンカード修復マニュアル — スタイル
 * ============================================================ */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fa;
  --color-bg-elev: #ffffff;
  --color-text: #1f2328;
  --color-text-muted: #656d76;
  --color-border: #d1d9e0;
  --color-border-soft: #e6ebf1;
  --color-accent: #0969da;
  --color-accent-hover: #0550a3;
  --color-highlight: #fff8c5;
  --color-highlight-border: #f6e96b;
  --color-danger: #cf222e;
  --color-warning: #9a6700;
  --color-success: #1a7f37;
  --color-info: #0969da;
  --color-tip: #8250df;
  --color-voice: #6e7781;
  --color-code-bg: #eff1f3;
  --color-code-block-bg: #f6f8fa;
  --color-table-header: #f6f8fa;
  --color-table-stripe: #f6f8fa;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 3px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;

  --topbar-h: 56px;
  --sidebar-w: 320px;

  --font-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
}

[data-theme="dark"] {
  --color-bg: #0d1117;
  --color-bg-alt: #161b22;
  --color-bg-elev: #161b22;
  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-border: #30363d;
  --color-border-soft: #21262d;
  --color-accent: #58a6ff;
  --color-accent-hover: #79c0ff;
  --color-highlight: #4d3a00;
  --color-highlight-border: #c69026;
  --color-danger: #ff7b72;
  --color-warning: #d29922;
  --color-success: #3fb950;
  --color-info: #58a6ff;
  --color-tip: #bc8cff;
  --color-voice: #8b949e;
  --color-code-bg: #161b22;
  --color-code-block-bg: #161b22;
  --color-table-header: #161b22;
  --color-table-stripe: #161b22;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: var(--color-accent-hover);
}

/* ============================================================
 * トップバー
 * ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  background: var(--color-bg-elev);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.topbar-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.sidebar-toggle:hover {
  background: var(--color-bg-alt);
}

.search-box {
  width: 240px;
  padding: 6px 12px;
  font-size: 14px;
  font-family: var(--font-jp);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.search-box:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.15);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-size: 16px;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}

.theme-toggle:hover {
  background: var(--color-bg-alt);
}

/* ============================================================
 * レイアウト
 * ============================================================ */
.layout {
  display: flex;
  min-height: calc(100vh - var(--topbar-h));
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  border-right: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 20px 0;
}

.content {
  flex: 1;
  min-width: 0;
  padding: 32px 48px 96px;
  max-width: 960px;
}

/* ============================================================
 * 目次（TOC）
 * ============================================================ */
.toc {
  font-size: 14px;
  line-height: 1.5;
}

.toc-loading {
  padding: 16px;
  color: var(--color-text-muted);
  font-style: italic;
}

.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc li {
  margin: 0;
}

.toc a {
  display: block;
  padding: 5px 16px 5px 16px;
  color: var(--color-text);
  border-left: 3px solid transparent;
  transition: background 0.1s, border-color 0.1s, color 0.1s;
  word-break: break-word;
}

.toc a:hover {
  background: var(--color-border-soft);
  text-decoration: none;
  color: var(--color-accent);
}

.toc a.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: var(--color-bg-elev);
  font-weight: 700;
}

/* インデント階層（H1=最上位、H2=中、H3=下） */
.toc-h1 > a {
  padding-left: 16px;
  font-weight: 700;
  font-size: 14px;
}

.toc-h2 > a {
  padding-left: 32px;
  font-size: 13px;
}

.toc-h3 > a {
  padding-left: 48px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.toc-h3 > a:hover,
.toc-h3 > a.active {
  color: var(--color-accent);
}

/* ============================================================
 * Markdown コンテンツ
 * ============================================================ */
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
  font-weight: 700;
  margin-top: 1.5em;
  margin-bottom: 0.6em;
  line-height: 1.3;
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}

.content h1 {
  font-size: 2em;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.4em;
  margin-top: 2em;
}

.content h1:first-child {
  margin-top: 0;
}

.content h2 {
  font-size: 1.5em;
  border-bottom: 1px solid var(--color-border-soft);
  padding-bottom: 0.3em;
  margin-top: 1.8em;
}

.content h3 {
  font-size: 1.25em;
}

.content h4 {
  font-size: 1.1em;
}

.content p {
  margin: 0.8em 0;
}

.content ul,
.content ol {
  margin: 0.6em 0;
  padding-left: 2em;
}

.content li {
  margin: 0.2em 0;
}

.content li > p {
  margin: 0.3em 0;
}

.content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-code-bg);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
}

.content pre {
  font-family: var(--font-mono);
  background: var(--color-code-block-bg);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.5;
}

.content pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

.content table {
  border-collapse: collapse;
  margin: 1em 0;
  width: 100%;
  font-size: 14px;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.content table th,
.content table td {
  border: 1px solid var(--color-border);
  padding: 8px 14px;
  text-align: left;
  white-space: normal;
}

.content table th {
  background: var(--color-table-header);
  font-weight: 700;
}

.content table tr:nth-child(2n) {
  background: var(--color-table-stripe);
}

.content blockquote {
  margin: 1em 0;
  padding: 12px 18px;
  border-left: 4px solid var(--color-border);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text);
}

.content blockquote p:first-child {
  margin-top: 0;
}

.content blockquote p:last-child {
  margin-bottom: 0;
}

.content hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: 2em 0;
}

/* ============================================================
 * Callout 検出（先頭絵文字でカラー分類）
 * ============================================================ */
.content blockquote.callout-danger {
  border-left-color: var(--color-danger);
  background: rgba(207, 34, 46, 0.06);
}

.content blockquote.callout-warning {
  border-left-color: var(--color-warning);
  background: rgba(154, 103, 0, 0.08);
}

.content blockquote.callout-note {
  border-left-color: var(--color-info);
  background: rgba(9, 105, 218, 0.06);
}

.content blockquote.callout-tip {
  border-left-color: var(--color-tip);
  background: rgba(130, 80, 223, 0.06);
}

.content blockquote.callout-voice {
  border-left-color: var(--color-voice);
  background: rgba(110, 119, 129, 0.08);
  font-style: italic;
}

/* ============================================================
 * Yellow Highlight on :target （リンクで飛んだ時の強調）
 * ============================================================ */
.content :target {
  animation: target-flash 2.4s ease-out;
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}

@keyframes target-flash {
  0% {
    background-color: var(--color-highlight-border);
    box-shadow: 0 0 0 8px var(--color-highlight-border);
  }
  20% {
    background-color: var(--color-highlight);
    box-shadow: 0 0 0 8px var(--color-highlight);
  }
  100% {
    background-color: transparent;
    box-shadow: 0 0 0 8px transparent;
  }
}

/* 見出しに対するhover時のアンカーリンク表示 */
.content h1:hover .anchor,
.content h2:hover .anchor,
.content h3:hover .anchor,
.content h4:hover .anchor {
  visibility: visible;
}

.content .anchor {
  visibility: hidden;
  margin-left: 8px;
  font-size: 0.7em;
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: normal;
}

.content .anchor:hover {
  text-decoration: none;
  color: var(--color-accent);
}

/* ============================================================
 * 検索結果モーダル
 * ============================================================ */
.search-results {
  position: fixed;
  top: 80px;
  right: 24px;
  width: 480px;
  max-width: calc(100vw - 48px);
  max-height: 60vh;
  background: var(--color-bg-elev);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 200;
  display: flex;
  flex-direction: column;
}

.search-results-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-bg-alt);
  font-size: 13px;
  color: var(--color-text-muted);
}

#search-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--color-text);
  padding: 0 4px;
  line-height: 1;
}

#search-results-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
}

#search-results-list li {
  border-bottom: 1px solid var(--color-border-soft);
}

#search-results-list a {
  display: block;
  padding: 12px 16px;
  color: var(--color-text);
  font-size: 13px;
  line-height: 1.45;
}

#search-results-list a:hover {
  background: var(--color-bg-alt);
  text-decoration: none;
}

#search-results-list .result-title {
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: 4px;
}

#search-results-list .result-snippet {
  color: var(--color-text-muted);
  font-size: 12px;
  white-space: pre-wrap;
}

#search-results-list mark {
  background: var(--color-highlight);
  color: var(--color-text);
  padding: 0 2px;
  border-radius: 2px;
}

#search-results-list .no-results {
  padding: 20px;
  text-align: center;
  color: var(--color-text-muted);
}

/* ============================================================
 * ローディング
 * ============================================================ */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: 16px;
  color: var(--color-text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
 * フッター
 * ============================================================ */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 32px;
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
}

.footer code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-code-bg);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ============================================================
 * モバイル対応
 * ============================================================ */
@media (max-width: 900px) {
  .sidebar-toggle {
    display: block;
  }

  .search-box {
    width: 140px;
  }

  .topbar-title {
    font-size: 14px;
  }

  .layout {
    display: block;
  }

  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    width: 320px;
    max-width: 90vw;
    height: calc(100vh - var(--topbar-h));
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-lg);
    z-index: 90;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .content {
    padding: 24px 20px 64px;
    max-width: 100%;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 85;
  }

  .sidebar-overlay.open {
    display: block;
  }

  .search-results {
    right: 12px;
    left: 12px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .topbar-title {
    font-size: 13px;
  }

  .search-box {
    width: 100px;
    font-size: 13px;
    padding: 5px 8px;
  }

  .content {
    font-size: 15px;
    padding: 16px 14px 48px;
  }

  .content h1 {
    font-size: 1.6em;
  }

  .content h2 {
    font-size: 1.3em;
  }

  .content table {
    font-size: 12px;
  }
}

/* スクロールバー（webkit） */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}