/* ===== Article Base ===== */
:root {
  --bg: #000;
  --muted: #9aa0a6;
  --line: rgba(255,255,255,0.12);
  --panel: rgba(255,255,255,0.05);
  --panel-border: rgba(255,255,255,0.16);
  --accent: #00ff7f;
}

html, body {
  background: var(--bg);
  color: var(--fg, #fff);  
}

body.article-page {
  min-height: 100vh;
}

/* ===== 不被固定遮住 ===== */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 88px 24px 64px;
}

/* ===== 導覽列） ===== */
nav a { font-size: 16px; }  


.article p {
  font-size: 18px;  
  line-height: 1.8;
  margin: 0 0 14px 0;
}

.article h1 {
  font-size: clamp(28px, 5.2vw, 44px);
  line-height: 1.25;
  margin: 0 0 14px 0;
}
.article h2 {
  font-size: clamp(22px, 3.6vw, 28px);
  line-height: 1.3;
  margin: 28px 0 15px;
}
.article h3 {
  font-size: 20px;
  line-height: 1.4;
  margin: 20px 0 8px;
}

.article a {
  color: var(--accent);
  text-decoration: none;
}
.article a:hover { text-decoration: underline; }

.article ul, .article ol {
  margin: 0 0 16px 1.25em;
  line-height: 1.8;
}

.article ol {
  margin: 0 0 16px 0;
  line-height: 1.8;
}

.article ol li{
  margin-top: 20px;
}

/* ===== Media ===== */
.article figure { margin: 22px 0; }
.article img { width: 100%; height: auto; display: block; border-radius: 12px; margin-top: 30px; margin-bottom: 30px;}
.article figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }

/* 滿版圖片 */
.article figure.fullbleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}
.article figure.fullbleed img { border-radius: 0; }

/* ===== Callouts ===== */
.callout {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  padding: 14px 16px;
  padding-right: 20px !important;
  margin: 18px 0;
}
.callout.neutral { border-left-color: rgba(255,255,255,0.24); }
.callout .callout-title { font-weight: 600; margin-bottom: 6px; }

/* ===== Code ===== */
.article code {
  font-family: "Cascadia Code","Cascadia Mono","Consolas",ui-monospace,Monaco,monospace;
  font-size: 14px;
}

.article p code {
  background: #2a2929 !important;
}

.article pre {
  background: #080808; /* #0b0b0b */
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 14px 16px;
  overflow: auto;
  margin: 22px 0;
}
.article pre code {
  display: block;
  white-space: pre;
}
/* inline code */
.article p code, .article li code {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 90%;
}

/* ===== Blockquote ===== */
.article blockquote {
  border-left: 3px solid rgba(255,255,255,0.22);
  padding: 8px 16px;
  margin: 18px 0;
  color: #d7d7d7;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
}

/* ===== Table  ===== */
.article .table-wrap { overflow-x: auto; }
.article table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
.article th, .article td { border-bottom: 1px solid var(--line); padding: 10px 8px; }
.article thead th { background: rgba(255,255,255,0.04); }


/* ===== Article Header meta ===== */
.article-header h1 {
  font-size: clamp(32px, 5vw, 44px);
  line-height: 1.2;
  margin: 0 0 10px 0;
}


.article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted, #9aa0a6);
  margin-bottom: 10px;
}
.article-meta .dot { opacity: .6; }


.article-sep {
  border: none;
  border-top: 1px solid rgba(255,255,255,.15);
  margin: 12px 0 24px;
}

/* ===== 元素 ID 清單 ===== */
.kv-list {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 18px 0;
}
.kv-list dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  column-gap: 12px;
  row-gap: 10px;
  margin: 0;
}
.kv-list dt {
  color: var(--muted, #9aa0a6);
}
.kv-list dd {
  margin: 0;
}
.kv-list code {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 6px;
  padding: 2px 6px;
}

/* ===== 流程步驟 ===== */
.steps {
  counter-reset: step;
  margin: 16px 0 20px 0;
  padding: 0;
  list-style: none;
}
.steps li {
  position: relative;
  padding-left: 36px;
  margin: 12px 0;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 2px;
  width: 24px; height: 24px; line-height: 24px;
  text-align: center; font-weight: 700; font-size: 12px;
  color: #000;
  background: var(--accent, #00ff7f);
  border-radius: 6px;
}

/* ===== 灰色框 ===== */
.callout {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.16);
  border-left: 3px solid rgba(255,255,255,0.24);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 18px 0;
}
.callout .callout-title {
  font-weight: 600;
  margin-bottom: 6px;
}

/* 函式專用 */
.callout.func { border-left-color: var(--accent, #00ff7f); }

/* ===== Nav 字級對齊 ===== */
nav a { font-size: 16px; }

/* 標題與 meta 的間距 */
.article-header h1{
  font-size: clamp(32px, 5vw, 44px);
  line-height: 1.2;
  margin: 0 0 26px 0; 
}


.article-meta{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 16px;           
  line-height: 1.7;
  color: var(--muted, #9aa0a6);
  margin: 0 0 18px 0;
}
.article-meta .mid{ opacity: .7; }

/*  /blog 分隔線一致 */
.article-sep{
  border: none;
  border-top: 1px solid rgba(255,255,255,.15);
  margin: 12px 0 24px;
}

/* 覆蓋 highlight.js */
.hljs {
  background: transparent !important; /* 移除灰底 */
}


.article pre,
.article code,
.shiki code {
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "DejaVu Sans Mono",
    "Cascadia Code", "Fira Code", monospace;
  font-feature-settings: "calt" 1, "liga" 1;
  font-variant-ligatures: contextual;
  font-size: 16px;
}

/* 隱藏直向 */
.article pre {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;                               /* Firefox */
  scrollbar-color: rgba(255,255,255,.35) transparent;  
}

.kv-list dl{
  /* 允許收縮 */
  grid-template-columns: 200px minmax(0,1fr);
}
.kv-list dd{ min-width: 0; }  

.kv-list dd code{
  display: inline-block;
  max-width: 100%;
  white-space: normal;        /* 允許換行 */
  overflow-wrap: anywhere;    /* 需要時任何位置斷行 */
  word-break: break-word;     
}

/* 手機改成單欄上下排 */
@media (max-width: 560px){
  .kv-list dl{ grid-template-columns: 1fr; }
  .kv-list dt{ margin-bottom: 4px; }
  main.article{padding-top: 50px;}
}

/* 按鈕能固定在右上 */
.article pre {
  position: relative; 
}

/* 右上角複製按鈕 */
.article pre .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  height: 35px;
  width: 35px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: #ddd;
  cursor: pointer;
  z-index: 2;
  opacity: 0;                     
  transform: translateY(-4px);
  transition: opacity .2s ease, transform .2s ease,
              background-color .15s ease, border-color .15s ease, color .15s ease;
}

.article pre:hover .copy-btn {
  opacity: 1;
  transform: translateY(0);
}

.article pre .copy-btn:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.2);
}

.article pre .copy-btn.copied {
  color: #9be895;
  border-color: rgba(155,232,149,.45);
}