/* =====================================================
   星际穿越 (Interstellar) 主题
   深空背景 · 星野 · 黑洞吸积盘琥珀色
   ===================================================== */

/* 星野层：默认隐藏，暗色模式下显示 */
.interstellar-stars {
  display: none;
}

[data-theme="dark"] .interstellar-stars {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  background-image:
    radial-gradient(1.2px 1.2px at 22px 34px, rgba(255, 255, 255, 0.9), transparent 55%),
    radial-gradient(1px 1px at 110px 90px, rgba(255, 255, 255, 0.55), transparent 55%),
    radial-gradient(1.8px 1.8px at 180px 160px, rgba(255, 224, 176, 0.8), transparent 55%),
    radial-gradient(1px 1px at 60px 210px, rgba(255, 255, 255, 0.7), transparent 55%),
    radial-gradient(1.4px 1.4px at 250px 60px, rgba(255, 255, 255, 0.6), transparent 55%),
    radial-gradient(1px 1px at 200px 280px, rgba(255, 255, 255, 0.5), transparent 55%),
    radial-gradient(1.6px 1.6px at 320px 190px, rgba(255, 235, 200, 0.85), transparent 55%),
    radial-gradient(1px 1px at 140px 320px, rgba(255, 255, 255, 0.45), transparent 55%);
  background-size: 340px 340px;
  animation: interstellar-twinkle 7s ease-in-out infinite;
}

@keyframes interstellar-twinkle {
  0%, 100% { opacity: 0.72; }
  50% { opacity: 1; }
}

/* 深空底色（暗色模式） */
[data-theme="dark"] body {
  background-color: #05060f;
}

/* 链接悬停光晕 */
[data-theme="dark"] a:hover {
  color: #f5c98a;
  text-shadow: 0 0 8px rgba(245, 181, 106, 0.45);
}

/* 头像加一圈吸积盘光晕 */
.avatar-img {
  box-shadow: 0 0 24px rgba(233, 169, 108, 0.35);
}

/* 引用块：琥珀色左边框，呼应经典台词 */
blockquote {
  border-left-color: #e9a96c;
}