/* ===============================
   Markdown 代码块样式增强
   =============================== */

pre {
  position: relative;
  background: #0f172a;
  color: #e5e7eb;
  padding: 1.25rem 1rem;
  border-radius: 0.75rem;
  overflow-x: auto;
  border: 1px solid rgba(248,113,113,0.25);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
  margin: 1.2rem 0;
}

.dark pre {
  background: #020617;
}

/* 行内代码 */
code:not(pre code) {
  background: rgba(248,113,113,0.12);
  color: #ef4444;
  padding: 0.15em 0.4em;
  border-radius: 0.4rem;
  font-size: 0.9em;
}

/* ===============================
   代码复制按钮
   =============================== */

.pre-copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 12px;
  padding: 0.25rem 0.5rem;
  border-radius: 0.4rem;
  background: rgba(255,255,255,0.08);
  color: #fca5a5;
  border: 1px solid rgba(248,113,113,0.3);
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s;
}

pre:hover .pre-copy-btn {
  opacity: 1;
}

.pre-copy-btn:hover {
  background: rgba(248,113,113,0.2);
  color: #fff;
}


/* ===== 代码块左上角语言标签 ===== */
pre {
  /* 给左上角标签留空间（别跟代码重叠） */
  padding-top: 2.1rem;
}

.pre-lang-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  font-size: 11px;
  line-height: 1;
  padding: 0.25rem 0.45rem;
  border-radius: 0.4rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;

  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(6px);
}

/* 深色模式下稍微更亮一点 */
.dark .pre-lang-badge {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.14);
}


/* 卡片图片 hover 变暗遮罩 */
.card-mask{
  /* 这里就是“强度”，把 0.35 改小就更淡，改大就更黑 */
  --mask-alpha: 0.4;

  background: linear-gradient(to top,
    rgba(0,0,0,var(--mask-alpha)),
    rgba(0,0,0,0)
  );
}

.group:hover .card-mask{
  opacity: 1;
}


/* 文章协议 */
.post-license{
  margin-top: 22px;
  padding: 12px 14px;
  border: 1px solid rgba(239,68,68,.18);
  border-radius: 12px;
  background: rgba(239,68,68,.06);
  font-size: 13px;
  font-weight: 600;
  color: #a11b1b;
  line-height: 1.6;
}

.post-license a{
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

[data-theme="dark"] .post-license{
  border-color: rgba(255,124,124,.22);
  background: rgba(255,124,124,.10);
  color: #ffb3b3;
}