/* ============================================
   Cosmos Layer — 个人知识宇宙的六个探索组件
   思考天气 / 标签生态瓶 / 阅读旅行 / 代码生物 /
   时间胶囊 / 本文思维星图
   复用 style.css 的设计变量，保持暗色·宇宙·玻璃·霓虹语言。
   ============================================ */

/* ---- 通用包裹：让组件像首页内容卡片一样嵌入 ---- */
.cosmos-mount {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (max-width: 640px) {
  .cosmos-mount { padding: 0 var(--space-md); }
}

/* ============================================
   一、思考天气系统
   ============================================ */
.thinking-weather-section {
  padding: var(--space-2xl) 0 0;
}

.tw-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: color-mix(in srgb, var(--bg-terminal) 88%, transparent);
  box-shadow: var(--shadow-md);
  min-height: 168px;
  display: flex;
  isolation: isolate;
}

.tw-card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background:
    radial-gradient(circle at 88% 20%, color-mix(in srgb, var(--tw-color) 26%, transparent), transparent 42%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent 40%);
}

.tw-card::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--tw-color);
  box-shadow: 0 0 18px var(--tw-color);
  z-index: 3;
}

.tw-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.85;
}

.tw-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.5;
  background:
    linear-gradient(color-mix(in srgb, var(--tw-color) 8%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--tw-color) 8%, transparent) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(circle at 80% 30%, black, transparent 70%);
  mask-image: radial-gradient(circle at 80% 30%, black, transparent 70%);
}

.tw-body {
  position: relative;
  z-index: 4;
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tw-eyebrow {
  color: var(--tw-color);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tw-headline {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tw-orb {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--tw-color);
  box-shadow: 0 0 14px var(--tw-color), 0 0 4px #fff inset;
  animation: tw-pulse 2.6s ease-in-out infinite;
}

@keyframes tw-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.7; }
}

.tw-name {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.tw-desc {
  max-width: 46ch;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.tw-readout {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.tw-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-card) 80%, transparent);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.tw-blink {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tw-color);
  box-shadow: 0 0 8px var(--tw-color);
  animation: tw-blink 1.4s steps(2, jump-none) infinite;
}

@keyframes tw-blink {
  0%, 60% { opacity: 1; }
  70%, 100% { opacity: 0.2; }
}

@media (max-width: 560px) {
  .tw-name { font-size: 1.15rem; }
  .tw-body { padding: var(--space-md) var(--space-lg); }
}

/* ---- 首页 Hero 环境天气层（让天气真正显示在首页） ---- */
.tw-hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.9;
  mix-blend-mode: screen;
}

[data-theme="light"] .tw-hero-canvas {
  mix-blend-mode: multiply;
  opacity: 0.55;
}

.tw-hero-tint {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 18%, color-mix(in srgb, var(--tw-color) 22%, transparent), transparent 58%),
    radial-gradient(circle at 80% 80%, color-mix(in srgb, var(--tw-color) 12%, transparent), transparent 55%);
  -webkit-mask-image: linear-gradient(180deg, black 60%, transparent);
  mask-image: linear-gradient(180deg, black 60%, transparent);
  animation: tw-hero-breathe 9s ease-in-out infinite;
}

@keyframes tw-hero-breathe {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}

.tw-hero-tag {
  position: absolute;
  top: calc(var(--nav-height) + 0.9rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.85rem;
  border: 1px solid color-mix(in srgb, var(--tw-color) 40%, var(--border-color));
  border-radius: 999px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  box-shadow: 0 0 22px color-mix(in srgb, var(--tw-color) 22%, transparent);
}

.tw-hero-tag strong {
  color: var(--tw-color);
  font-weight: 600;
}

.tw-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--tw-color);
  box-shadow: 0 0 10px var(--tw-color);
  animation: tw-pulse 2.6s ease-in-out infinite;
}

@media (max-width: 560px) {
  .tw-hero-tag { font-size: 0.66rem; padding: 0.26rem 0.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .tw-hero-tint, .tw-hero-dot { animation: none !important; }
}

/* ============================================
   二、标签生态瓶
   ============================================ */
.eco-bottle-card {
  min-height: 360px;
}

.eco-jar {
  position: relative;
  z-index: 1;
  margin: var(--space-md) var(--space-lg) var(--space-lg);
  min-height: 320px;
  border: 1px solid var(--border-color);
  border-radius: 26px / 30px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 8%, rgba(255, 255, 255, 0.07), transparent 45%),
    radial-gradient(circle at 50% 120%, rgba(46, 230, 166, 0.10), transparent 55%),
    linear-gradient(180deg, rgba(10, 16, 26, 0.4), rgba(8, 12, 20, 0.7));
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.eco-jar::before {
  /* 玻璃高光 */
  content: '';
  position: absolute;
  top: 0; left: 8%;
  width: 22%;
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.10), transparent);
  pointer-events: none;
}

.eco-floor {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 64px;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(86, 199, 255, 0.16), transparent 70%);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.eco-dust {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(120, 200, 255, 0.5), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(46, 230, 166, 0.5), transparent),
    radial-gradient(1px 1px at 85% 25%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 55% 45%, rgba(155, 140, 255, 0.5), transparent);
  animation: eco-dust-drift 14s ease-in-out infinite alternate;
}

@keyframes eco-dust-drift {
  from { transform: translateY(0); opacity: 0.7; }
  to { transform: translateY(-12px); opacity: 1; }
}

.eco-colony {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  justify-content: center;
  gap: 0.4rem 1.2rem;
  min-height: 320px;
  padding: var(--space-xl) var(--space-lg);
}

.eco-life {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: calc(54px * var(--eco-scale));
  height: calc(54px * var(--eco-scale));
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
  animation: eco-float var(--eco-dur, 6s) ease-in-out infinite;
  animation-delay: var(--eco-delay, 0s);
}

@keyframes eco-float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

.eco-aura {
  position: absolute;
  inset: -22%;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--eco-color) 60%, transparent), transparent 68%);
  opacity: var(--eco-glow, 0.5);
  filter: blur(2px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.eco-glyph {
  position: relative;
  z-index: 1;
  font-size: calc(1.5rem * var(--eco-scale));
  line-height: 1;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--eco-color) 70%, transparent));
  transition: transform var(--transition-base);
}

.eco-life:hover .eco-aura { opacity: 1; transform: scale(1.12); }
.eco-life:hover .eco-glyph { transform: scale(1.16); }
.eco-life:focus-visible { outline: 2px solid var(--eco-color); outline-offset: 4px; border-radius: 50%; }

.eco-tip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translate(-50%, 6px);
  width: max-content;
  max-width: 220px;
  padding: 0.55rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--eco-color) 40%, var(--border-color));
  border-radius: var(--border-radius);
  background: color-mix(in srgb, var(--bg-terminal) 94%, transparent);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 5;
  text-align: left;
  white-space: normal;
}

.eco-life:hover .eco-tip,
.eco-life:focus-visible .eco-tip {
  opacity: 1;
  transform: translate(-50%, 0);
}

.eco-tip strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-primary);
}

.eco-tip-meta {
  display: block;
  margin: 0.15rem 0;
  color: var(--eco-color);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.eco-tip-note {
  display: block;
  color: var(--text-secondary);
  font-size: 0.72rem;
  line-height: 1.5;
}

/* ============================================
   三、阅读旅行动画 + 抵达提示条
   ============================================ */
/* ---- 全屏跃迁层：前景星轨 / 中景跃迁门 / 背景星云 ---- */
.warp {
  position: fixed;
  inset: 0;
  z-index: 4000;
  pointer-events: auto;
  opacity: 0;
  overflow: hidden;
  transition: opacity 0.2s ease;
}

.warp.active { opacity: 1; }

.warp-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
}

/* 背景：星云薄膜，nebula 阶段掠过把两页自然连接 */
.warp-nebula {
  position: absolute;
  inset: -20%;
  z-index: 1;
  opacity: 0;
  background:
    radial-gradient(40% 60% at 30% 35%, rgba(155, 140, 255, 0.5), transparent 70%),
    radial-gradient(50% 50% at 72% 60%, rgba(86, 199, 255, 0.4), transparent 72%),
    radial-gradient(45% 55% at 55% 80%, rgba(91, 108, 255, 0.4), transparent 70%);
  filter: blur(26px);
  mix-blend-mode: screen;
  transform: scale(1.2);
  transition: opacity 0.5s ease, transform 0.75s ease;
}
.warp.phase-nebula .warp-nebula { opacity: 0.92; transform: scale(1); }

/* 中景：跃迁门光环，锚定在被点击的文章位置 */
.warp-gate {
  position: absolute;
  z-index: 3;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%) scale(0.4);
  pointer-events: none;
}
.warp.active .warp-gate { transition: transform 1s cubic-bezier(0.5, 0, 0.7, 0), opacity 0.4s ease; }
.warp-gate i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  margin: -30px 0 0 -30px;
  border-radius: 50%;
  border: 1.5px solid rgba(207, 231, 255, 0.65);
  box-shadow: 0 0 26px rgba(155, 140, 255, 0.6), inset 0 0 20px rgba(86, 199, 255, 0.4);
  opacity: 0;
}
.warp.phase-gravity .warp-gate i { animation: warp-ring 1.1s ease-out forwards; }
.warp.phase-gravity .warp-gate i:nth-child(2) { animation-delay: 0.12s; }
.warp.phase-gravity .warp-gate i:nth-child(3) { animation-delay: 0.24s; }
.warp.phase-stretch .warp-gate { transform: translate(-50%, -50%) scale(7); }
.warp.phase-nebula .warp-gate { transform: translate(-50%, -50%) scale(22); opacity: 0; }

@keyframes warp-ring {
  from { transform: scale(0.3); opacity: 0.9; }
  to { transform: scale(2.8); opacity: 0; }
}

/* 跃迁文字：像目的地坐标般在后段浮现 */
.warp-readout {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  padding: var(--space-xl);
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 0.5s ease, transform 0.7s ease;
}
.warp.phase-stretch .warp-readout { opacity: 1; transform: scale(1); }

.warp-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-1);
}

.warp-galaxy {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-2);
}

.warp-title {
  font-size: clamp(1.3rem, 4vw, 2.1rem);
  font-weight: 800;
  color: #fff;
  max-width: 90vw;
  text-shadow: 0 0 26px rgba(155, 140, 255, 0.55);
}

.warp-coord {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ---- 选中锁定：来源文章放大发光，其它后退 ---- */
.blog-grid.warp-active .blog-card {
  transition: transform 0.4s ease, opacity 0.4s ease, filter 0.4s ease;
}
.blog-grid.warp-active .blog-card:not(.warp-source) {
  opacity: 0.32;
  filter: blur(3px) brightness(0.6);
  transform: scale(0.96);
}
.blog-card.warp-source {
  position: relative;
  z-index: 30;
  transform: scale(1.06);
  border-color: var(--accent-2);
  box-shadow: 0 0 0 1px var(--accent-2), 0 0 40px rgba(86, 199, 255, 0.4);
  transition: transform 0.55s cubic-bezier(0.5, 0, 0.7, 0), opacity 0.5s ease, box-shadow 0.4s ease, filter 0.5s ease;
}
.blog-card.warp-source.pulling {
  transform: scale(1.7) translateY(-6px);
  opacity: 0;
  filter: brightness(1.8);
}
.warp-source-star { filter: drop-shadow(0 0 10px var(--accent-2)); }

/* ---- 返回定位余辉：告诉用户刚从哪颗星回来 ---- */
.blog-card.warp-returned {
  position: relative;
  z-index: 20;
  animation: warp-returned 3.2s ease-out;
}
@keyframes warp-returned {
  0% { box-shadow: 0 0 0 1px var(--accent-1), 0 0 55px rgba(46, 230, 166, 0.55); transform: scale(1.04); }
  70% { box-shadow: 0 0 0 1px transparent, 0 0 22px rgba(46, 230, 166, 0.22); }
  100% { box-shadow: none; transform: scale(1); }
}

/* ---- 安静版 / 减少动态：柔和星云薄膜 ---- */
.warp-quiet-veil {
  position: fixed;
  inset: 0;
  z-index: 4000;
  pointer-events: auto;
  opacity: 0;
  background:
    radial-gradient(60% 60% at 50% 45%, rgba(155, 140, 255, 0.35), transparent 70%),
    rgba(6, 9, 16, 0.9);
  transition: opacity 0.34s ease;
}
.warp-quiet-veil.active { opacity: 1; }

/* ---- 文章页降落：脱离跃迁后逐渐稳定视野 ---- */
.warp-exit-veil {
  position: fixed;
  inset: 0;
  z-index: 3500;
  pointer-events: none;
  opacity: 1;
  background:
    radial-gradient(50% 60% at 50% 40%, rgba(155, 140, 255, 0.5), transparent 72%),
    radial-gradient(60% 50% at 60% 70%, rgba(86, 199, 255, 0.4), transparent 72%),
    rgba(6, 9, 16, 0.82);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.warp-exit-veil.clearing { opacity: 0; transform: scale(1.25); }

.warp-land .post-header h1 { animation: warp-title-focus 0.9s cubic-bezier(0.22, 1, 0.36, 1) both; }
.warp-land .post-meta { animation: warp-rise 0.7s ease 0.35s both; }
.warp-land .post-cover { animation: warp-rise 0.7s ease 0.45s both; }
.warp-land .post-content { animation: warp-rise 0.8s ease 0.5s both; }

@keyframes warp-title-focus {
  0% { opacity: 0; transform: scale(1.14); filter: blur(8px); }
  60% { opacity: 1; filter: blur(0); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes warp-rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.warp-land-quiet .post-header h1,
.warp-land-quiet .post-content { animation: warp-fade 0.5s ease both; }
@keyframes warp-fade { from { opacity: 0; } to { opacity: 1; } }

/* 返回起飞：当前文章页轻微缩退 */
.warp-takeoff { animation: warp-takeoff 0.5s ease both; }
@keyframes warp-takeoff {
  to { transform: scale(0.96); opacity: 0.45; filter: blur(2px); }
}

/* 抵达提示条 */
.arrival-bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-xl);
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-1);
  border-radius: var(--border-radius);
  background: color-mix(in srgb, var(--bg-terminal) 88%, transparent);
  box-shadow: var(--shadow-sm);
  text-align: left;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.arrival-bar.show { opacity: 1; transform: translateY(0); }
.arrival-bar.closing { opacity: 0; transform: translateY(-8px); }
.arrival-bar.settle { border-left-color: var(--border-hover); }

.arrival-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent, rgba(46, 230, 166, 0.10), transparent);
  transform: translateX(-100%);
  animation: arrival-sweep 2.4s ease 0.3s 1;
}

@keyframes arrival-sweep {
  to { transform: translateX(100%); }
}

.arrival-pulse {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-1);
  box-shadow: 0 0 12px var(--accent-1);
  animation: tw-pulse 2.2s ease-in-out infinite;
}

.arrival-text { flex: 1; min-width: 0; }

.arrival-line {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--text-primary);
}
.arrival-line strong { color: var(--accent-1); font-weight: 600; }

.arrival-sub {
  display: block;
  margin-top: 0.15rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.arrival-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.arrival-close:hover { color: var(--accent-1); border-color: var(--border-hover); }

@media (max-width: 640px) {
  .arrival-bar { margin-left: var(--space-md); margin-right: var(--space-md); }
}

/* ============================================
   四、代码生物观察箱
   ============================================ */
.code-creature {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: auto;
  margin-right: 0.5rem;
  cursor: help;
}

.cc-glyph {
  font-size: 0.95rem;
  line-height: 1;
  filter: drop-shadow(0 0 4px rgba(46, 230, 166, 0.4));
  animation: cc-breathe 3.4s ease-in-out infinite;
  display: inline-block;
}

@keyframes cc-breathe {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-1.5px) rotate(-6deg); }
}

.code-creature.cc-floating {
  position: absolute;
  top: 8px;
  right: 10px;
  margin: 0;
  z-index: 2;
}

.cc-tip {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: max-content;
  max-width: 240px;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border-hover);
  border-radius: var(--border-radius);
  background: color-mix(in srgb, var(--bg-terminal) 95%, transparent);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 10;
  text-align: left;
  white-space: normal;
}

.code-creature:hover .cc-tip {
  opacity: 1;
  transform: translateY(0);
}

.cc-tip strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-1);
  margin-bottom: 0.2rem;
}

.cc-tip span {
  color: var(--text-secondary);
  font-size: 0.72rem;
  line-height: 1.5;
}

/* ============================================
   文章页底部宇宙区（胶囊 + 星图）
   ============================================ */
.cosmos-post-footer {
  margin-top: var(--space-3xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  opacity: 1;
}

.cosmos-post-footer.reveal-in .time-capsule,
.cosmos-post-footer.reveal-in .mindmap {
  animation: cosmos-rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.cosmos-post-footer.reveal-in .mindmap { animation-delay: 0.1s; }

@keyframes cosmos-rise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   五、时间胶囊
   ============================================ */
.time-capsule {
  position: relative;
  overflow: hidden;
  padding: var(--space-lg) var(--space-xl);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background:
    radial-gradient(circle at 90% 0%, color-mix(in srgb, var(--cap-color) 14%, transparent), transparent 45%),
    color-mix(in srgb, var(--bg-terminal) 90%, transparent);
  box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.cap-scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    color-mix(in srgb, var(--cap-color) 5%, transparent) 4px
  );
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(180deg, black, transparent);
  mask-image: linear-gradient(180deg, black, transparent);
}

.cap-head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: var(--space-md);
}

.cap-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--cap-color) 40%, var(--border-color));
  background: color-mix(in srgb, var(--cap-color) 10%, transparent);
  color: var(--cap-color);
  box-shadow: inset 0 0 16px color-mix(in srgb, var(--cap-color) 22%, transparent);
}

.cap-hourglass {
  font-size: 1.5rem;
  line-height: 1;
  animation: cap-flip 5s ease-in-out infinite;
}

@keyframes cap-flip {
  0%, 44% { transform: rotate(0deg); }
  50%, 94% { transform: rotate(180deg); }
  100% { transform: rotate(360deg); }
}

.cap-eyebrow {
  color: var(--cap-color);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cap-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cap-comment {
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}
.cap-comment strong { color: var(--cap-color); }

.cap-rows {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.6rem;
  margin-bottom: var(--space-md);
}

.cap-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-card);
}

.cap-k {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cap-v {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-primary);
}

.cap-shelf {
  position: relative;
}

.cap-shelf-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.cap-shelf-tag {
  color: var(--cap-color);
}

.cap-bar {
  height: 8px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.cap-bar-fill {
  display: block;
  height: 100%;
  width: calc(var(--cap-pct, 50) * 1%);
  border-radius: 999px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--cap-color) 60%, transparent), var(--cap-color));
  box-shadow: 0 0 12px color-mix(in srgb, var(--cap-color) 50%, transparent);
}

/* ============================================
   六、本文思维星图
   ============================================ */
.mindmap {
  position: relative;
  overflow: hidden;
  padding: var(--space-lg) var(--space-lg) var(--space-xl);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background:
    radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--mm-color) 10%, transparent), transparent 60%),
    color-mix(in srgb, var(--bg-terminal) 92%, transparent);
  box-shadow: var(--shadow-md);
}

.mm-head { text-align: center; margin-bottom: var(--space-sm); }

.mm-eyebrow {
  color: var(--mm-color);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mm-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mm-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: 460px;
  margin: var(--space-sm) auto 0;
}

.mm-links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.mm-links line {
  stroke: color-mix(in srgb, var(--mm-color) 55%, transparent);
  stroke-width: 0.35;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 2 2;
  animation: mm-flow 6s linear infinite;
  opacity: 0.6;
}

@keyframes mm-flow {
  to { stroke-dashoffset: -16; }
}

.mm-nodes {
  position: absolute;
  inset: 0;
}

.mm-node {
  position: absolute;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-terminal) 88%, transparent);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast),
    box-shadow var(--transition-fast), transform var(--transition-fast);
  animation: mm-appear 0.5s ease both;
  animation-delay: var(--mm-delay, 0s);
  z-index: 2;
}

@keyframes mm-appear {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.6); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.mm-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mm-color);
  box-shadow: 0 0 8px var(--mm-color);
  flex-shrink: 0;
}

.mm-node:hover,
.mm-node:focus-visible {
  color: var(--text-primary);
  border-color: var(--mm-color);
  box-shadow: 0 0 18px color-mix(in srgb, var(--mm-color) 40%, transparent);
  transform: translate(-50%, -50%) scale(1.06);
  outline: none;
  z-index: 3;
}

.mm-center {
  left: 50%;
  top: 50%;
  padding: 0.45rem 0.8rem;
  border-color: var(--mm-color);
  background: color-mix(in srgb, var(--mm-color) 14%, var(--bg-terminal));
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: 0 0 22px color-mix(in srgb, var(--mm-color) 35%, transparent);
  max-width: 46%;
}
.mm-center .mm-label {
  overflow: hidden;
  text-overflow: ellipsis;
}
.mm-center .mm-dot { width: 9px; height: 9px; }

.mm-tag {
  border-style: dashed;
}
.mm-tag .mm-dot { background: var(--accent-3); box-shadow: 0 0 8px var(--accent-3); }

.mm-tip {
  margin-top: var(--space-md);
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

@media (max-width: 640px) {
  .mm-stage { aspect-ratio: 1 / 1; }
  .mm-node { font-size: 0.66rem; padding: 0.26rem 0.5rem; }
  .mm-center { max-width: 60%; }
}

/* ============================================
   降低动态偏好
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .tw-orb, .tw-blink, .arrival-pulse, .cap-hourglass,
  .eco-life, .eco-dust, .cc-glyph, .mm-links line, .mm-node,
  .arrival-bar::after {
    animation: none !important;
  }
  .warp-gate i, .warp-returned, .warp-takeoff,
  .warp-land .post-header h1, .warp-land .post-meta,
  .warp-land .post-cover, .warp-land .post-content {
    animation: none !important;
  }
}