/* ============================================================
   踩坑手记 - 样式
   深色极客风：等宽字体点缀 + 舒适阅读区
   ============================================================ */

:root {
  --bg: #0f1420;
  --bg-card: #161d2e;
  --bg-terminal: #0a0e17;
  --border: #243049;
  --text: #d7dce6;
  --text-dim: #8b94a7;
  --accent: #5cc8ff;
  --accent-green: #4ade80;
  --prompt: #4ade80;
  --ops: #f59e0b;
  --python: #5cc8ff;
  --db: #a78bfa;
  --habit: #4ade80;
  --security: #f87171;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.mono { font-family: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace; }

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 顶部 Hero ---------- */
.hero { padding: 56px 0 40px; }

.terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #131926;
  border-bottom: 1px solid var(--border);
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
  margin-left: 10px;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
  color: var(--text-dim);
}

.terminal-body {
  padding: 22px 24px 26px;
  font-family: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
  font-size: 14px;
  line-height: 2.0;
}

.terminal-body .line { white-space: pre-wrap; }
.terminal-body .prompt { color: var(--prompt); margin-right: 8px; }
.terminal-body .output { color: var(--text); padding-left: 2px; }
.terminal-body .ok { color: var(--accent-green); font-weight: 700; }

.cursor {
  display: inline-block;
  color: var(--accent-green);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- 文章列表 ---------- */
.feed { padding: 8px 0 64px; }

.feed-title {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 26px;
  margin-bottom: 18px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.card-meta time {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 13px;
  color: var(--text-dim);
}

.tag {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  line-height: 1.6;
}

.tag-ops      { color: var(--ops); }
.tag-python   { color: var(--python); }
.tag-db       { color: var(--db); }
.tag-habit    { color: var(--habit); }
.tag-security { color: var(--security); }

.card-title {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #eef1f7;
}

.card-summary {
  font-size: 14.5px;
  color: var(--text-dim);
}

/* ---------- 页脚 ---------- */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 26px 0 30px;
  background: #0c1018;
}

.footer-inner { text-align: center; }

.footer-motto {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.footer-beian a {
  font-size: 12.5px;
  color: var(--text-dim);
  text-decoration: none;
}

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

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
  .hero { padding: 32px 0 28px; }
  .terminal-body { font-size: 12.5px; padding: 16px 16px 20px; }
  .card { padding: 18px 18px; }
  .card-title { font-size: 17px; }
}