/* ============================================================
 * 皮肤：终端 / 极客风 (Terminal Theme)
 * 深色底 + 等宽字体 + 霓虹光晕 + 闪烁光标
 * ============================================================ */

:root {
  --bg: #0a0e14;
  --term-bg: rgba(13, 19, 28, 0.92);
  --text: #c9d6e3;
  --text-bright: #eaf2ff;
  --text-muted: #5c7089;
  --green: #3ddc97;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --red: #ff6b81;
  --yellow: #fbd38d;
  --border: #1e2a3a;
  --accent: var(--cyan);
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scrollbar-color: #2a3a4e var(--bg); }

body {
  margin: 0;
  font-family: var(--mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 15px;
  overflow-x: hidden;
}

/* ---- 背景霓虹光晕 ---- */
.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}
.glow-1 { width: 480px; height: 480px; background: var(--cyan); top: -140px; right: -100px; }
.glow-2 { width: 520px; height: 520px; background: var(--purple); bottom: -180px; left: -120px; }

/* ---- 隐约网格背景 ---- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.035) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 2.5rem auto 3rem;
  padding: 0 1.25rem;
}

/* ---- 终端窗口 ---- */
.terminal {
  background: var(--term-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.06),
    0 8px 40px rgba(0, 0, 0, 0.55),
    0 0 80px rgba(34, 211, 238, 0.05);
  backdrop-filter: blur(6px);
  overflow: hidden;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: rgba(20, 28, 40, 0.9);
  border-bottom: 1px solid var(--border);
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-r { background: var(--red); }
.dot-y { background: var(--yellow); }
.dot-g { background: var(--green); }

.term-title {
  margin-left: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  user-select: none;
}

.term-body { padding: 1.5rem 1.75rem 1.75rem; }

/* ---- 命令行提示符 ---- */
.term-line { margin: 0 0 0.6rem; }

.prompt { color: var(--green); font-weight: 700; }
.prompt-path { color: var(--cyan); }
.prompt-sep { color: var(--text-muted); }
.cmd { color: var(--text-bright); }

/* ---- 头部 ---- */
.site-header { padding-bottom: 1.25rem; border-bottom: 1px dashed var(--border); margin-bottom: 1.5rem; }

.profile-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0.9rem 0 1rem;
}

.profile {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

/* ---- 顶部导航 ---- */
.top-nav { display: flex; gap: 0.5rem; }
.top-nav a {
  font-size: 0.85rem;
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  transition: all 0.15s ease;
}
.top-nav a:hover {
  text-decoration: none;
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.2);
}
.top-nav a.active {
  color: var(--text-bright);
  border-color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.18);
}

.avatar {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.35);
}

h1 {
  font-size: 1.75rem;
  margin: 0;
  color: var(--text-bright);
  letter-spacing: 0.5px;
}

.glow-text { text-shadow: 0 0 14px rgba(34, 211, 238, 0.45); }

/* 闪烁光标 */
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: 0.15em;
  background: var(--cyan);
  vertical-align: text-bottom;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
}

.tagline { margin: 0.2rem 0 0; color: var(--text-muted); font-size: 0.9rem; }
.tagline::before { content: "# "; color: var(--purple); }

.social { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.social a, .social span.social-plain {
  font-size: 0.82rem;
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--cyan);
  transition: all 0.15s ease;
}
.social a::before { content: "→ "; color: var(--text-muted); }
.social span.social-plain { color: var(--green); cursor: default; }
.social span.social-plain::before { content: "◉ "; color: var(--green); }
.social a:hover { text-decoration: none; border-color: var(--cyan); box-shadow: 0 0 12px rgba(34, 211, 238, 0.25); background: rgba(34, 211, 238, 0.06); }

.bio-line p { margin: 0; color: var(--text); font-size: 0.92rem; }
.bio-line p::before { content: "// "; color: var(--text-muted); }

/* ---- 文章区 ---- */
.section-title { font-size: 1.05rem; margin: 0 0 1rem; color: var(--text-bright); font-weight: 700; }
.section-title .muted { font-weight: 400; }

.muted { color: var(--text-muted); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

.post-item {
  position: relative;
  padding: 0.85rem 1.1rem 0.85rem 1.3rem;
  margin-bottom: 0.7rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 8px;
  background: rgba(20, 28, 40, 0.55);
  transition: all 0.15s ease;
}
.post-item::before {
  content: "▸";
  position: absolute;
  left: 0.45rem;
  top: 0.9rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.post-item:hover {
  border-left-color: var(--cyan);
  border-color: #264054;
  background: rgba(34, 211, 238, 0.05);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.12);
}
.post-item:hover::before { color: var(--cyan); }

.post-item a { font-weight: 700; font-size: 1rem; color: var(--text-bright); }
.post-item a:hover { color: var(--cyan); }
.post-item .post-summary { margin: 0.3rem 0 0.4rem; color: var(--text-muted); font-size: 0.86rem; }

/* 日期左、标签右 */
.post-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.post-tags { display: inline-flex; flex-wrap: wrap; gap: 0.3rem; }

.post-item .post-date { font-size: 0.78rem; color: var(--text-muted); }

.tag {
  display: inline-block;
  font-size: 0.68rem;
  padding: 0 0.45rem;
  margin-right: 0.3rem;
  border-radius: 4px;
  background: rgba(167, 139, 250, 0.12);
  color: var(--purple);
  border: 1px solid rgba(167, 139, 250, 0.25);
}
.tag::before { content: "#"; }

/* ---- 文章页 ---- */
.back-link { font-size: 0.85rem; color: var(--text-muted); }
.back-link:hover { color: var(--cyan); text-decoration: none; }
.site-header .back-link { color: var(--text-muted); }

/* 文章页导航单独一行 */
.site-header .top-nav { margin-top: 0.75rem; }

.post-title { font-size: 1.55rem; line-height: 1.4; }
.post-meta { color: var(--text-muted); font-size: 0.82rem; margin: 0.4rem 0 0; }
.post-divider { border: none; border-top: 1px dashed var(--border); margin: 1.25rem 0 1.75rem; }

/* ---- Markdown 渲染 ---- */
.markdown-body h1, .markdown-body h2, .markdown-body h3 { line-height: 1.4; color: var(--text-bright); }
.markdown-body h2 { border-bottom: 1px dashed var(--border); padding-bottom: 0.3rem; }
.markdown-body h2::before, .markdown-body h3::before { content: "## "; color: var(--purple); }
.markdown-body h3::before { content: "### "; }
.markdown-body a { color: var(--cyan); }
.markdown-body img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.markdown-body blockquote {
  margin: 1rem 0;
  padding: 0.25rem 1rem;
  border-left: 3px solid var(--purple);
  color: var(--text-muted);
  background: rgba(167, 139, 250, 0.06);
  border-radius: 0 8px 8px 0;
}
.markdown-body blockquote::before { content: "> "; color: var(--purple); }
.markdown-body code {
  background: rgba(34, 211, 238, 0.08);
  color: var(--cyan);
  padding: 0.15em 0.4em;
  border-radius: 5px;
  font-family: var(--mono);
  font-size: 0.88em;
}
.markdown-body pre {
  background: #0c1219;
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
}
.markdown-body pre code { background: none; color: var(--green); padding: 0; }
.markdown-body table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
.markdown-body th, .markdown-body td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.75rem;
  text-align: left;
}
.markdown-body th { background: rgba(34, 211, 238, 0.07); color: var(--cyan); }

/* ---- 分页 ---- */
.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
}
.pagination a {
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--cyan);
  transition: all 0.15s ease;
}
.pagination a:hover { text-decoration: none; border-color: var(--cyan); box-shadow: 0 0 10px rgba(34, 211, 238, 0.25); }
.pagination a.pg-current {
  color: var(--text-bright);
  border-color: var(--cyan);
  background: rgba(34, 211, 238, 0.12);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.2);
}
.pagination a.pg-disabled { color: var(--text-muted); border-color: var(--border); cursor: default; }
.pagination a.pg-disabled:hover { border-color: var(--border); box-shadow: none; }
.pg-ellipsis { color: var(--text-muted); padding: 0 0.2rem; }

/* ---- 标签筛选 ---- */
.tag-filter[hidden] { display: none; }
.tag-filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(61, 220, 151, 0.4);
  border-radius: 6px;
  background: rgba(61, 220, 151, 0.06);
  font-size: 0.85rem;
}
.tag-filter-info { color: var(--green); }
.tag-filter-clear { color: var(--red); font-size: 0.8rem; }
.tag-filter-clear:hover { text-decoration: underline; }

.tag-link { cursor: pointer; }
.tag-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.25);
}

/* ---- 关于页 ---- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}
.about-card {
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(20, 28, 40, 0.55);
  transition: all 0.15s ease;
}
.about-card:hover {
  border-color: #264054;
  background: rgba(34, 211, 238, 0.05);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.12);
}
.about-card h3 { margin: 0 0 0.5rem; font-size: 0.95rem; color: var(--cyan); }
.about-card p { margin: 0; font-size: 0.88rem; color: var(--text); }
.about-card p::before { content: "› "; color: var(--text-muted); }

.skill-list { list-style: none; margin: 0; padding: 0; }
.skill-list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.88rem;
  color: var(--text);
}
.skill-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--text-muted);
  font-size: 0.75rem;
}

@media (max-width: 560px) { .about-grid { grid-template-columns: 1fr; } }

/* ---- 快捷链接 ---- */
.friend-links { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px dashed var(--border); }

.links-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.6rem;
}
.links-grid a {
  text-align: center;
  font-size: 0.82rem;
  padding: 0.4rem 0.3rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  background: rgba(20, 28, 40, 0.55);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.15s ease;
}
.links-grid a:hover {
  text-decoration: none;
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.25);
  background: rgba(34, 211, 238, 0.06);
}

@media (max-width: 900px) { .links-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px) { .links-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---- 页脚 ---- */
.site-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 0.78rem;
}
.site-footer p { margin: 0; }

/* ---- 小屏适配 ---- */
@media (max-width: 560px) {
  .term-body { padding: 1.1rem 1rem 1.25rem; }
  .container { margin-top: 1rem; }
  .profile { flex-direction: column; align-items: flex-start; }
  h1 { font-size: 1.4rem; }
}