/* ============================================
   Floating Blog Pet
   ============================================ */

.blog-pet {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2200;
  width: 92px;
  font-family: var(--font-mono);
  color: var(--text-primary);
  transform: translate3d(calc(100vw - 160px), calc(100vh - 190px), 0);
  transition: filter var(--transition-base);
  touch-action: none;
}

.blog-pet.dragging {
  filter: drop-shadow(0 0 18px rgba(46, 230, 166, 0.36));
}

/* 黑洞皮肤拖动时不要在祖先(.blog-pet)上加 filter：
   祖先一旦有 filter，会切断子元素 backdrop-filter 对页面背景的取样，
   导致扭曲空间在拖动时消失。改为把辉光加到黑洞本体(透镜的兄弟节点)。 */
.blog-pet[data-skin="black-hole"].dragging {
  filter: none;
}

.blog-pet[data-skin="black-hole"].dragging .pet-blackhole {
  filter: drop-shadow(0 0 22px rgba(255, 140, 60, 0.45)) drop-shadow(0 0 36px rgba(120, 80, 255, 0.28));
}

.blog-pet.collapsed .pet-shell,
.blog-pet.collapsed .pet-panel,
.blog-pet.collapsed .pet-bubble {
  display: none;
}

.pet-bubble {
  position: absolute;
  width: min(260px, 76vw);
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: color-mix(in srgb, var(--bg-terminal) 92%, transparent);
  box-shadow: var(--shadow-md);
  color: var(--text-secondary);
  font-size: 0.76rem;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.blog-pet.speaking .pet-bubble {
  opacity: 1;
  transform: translateY(0);
}

.pet-bubble::after {
  content: '';
  position: absolute;
  right: 28px;
  bottom: -7px;
  width: 12px;
  height: 12px;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-terminal);
  transform: rotate(45deg);
}

/* ============================================
   气泡 / 面板的自适应定位
   水平：贴近屏内一侧；垂直：面板与气泡分居宠物两侧，互不重叠
   ============================================ */
.blog-pet.pop-right .pet-bubble,
.blog-pet.pop-right .pet-panel {
  right: 0;
  left: auto;
}

.blog-pet.pop-left .pet-bubble,
.blog-pet.pop-left .pet-panel {
  left: 0;
  right: auto;
}

.pet-bubble.pop-up,
.pet-panel.pop-up {
  bottom: calc(100% + 0.6rem);
  top: auto;
}

.pet-bubble.pop-down,
.pet-panel.pop-down {
  top: calc(100% + 0.6rem);
  bottom: auto;
}

/* 气泡箭头方向随上下/左右翻转 */
.pet-bubble.pop-down::after {
  top: -7px;
  bottom: auto;
  border: none;
  border-left: 1px solid var(--border-color);
  border-top: 1px solid var(--border-color);
}

.blog-pet.pop-left .pet-bubble::after {
  left: 28px;
  right: auto;
}

.pet-shell {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  /* 宠物整体缩小为原来的 0.7 倍（透镜已移出 .pet-shell，不受影响） */
  transform: scale(0.7);
  transform-origin: center center;
}

.pet-body {
  position: relative;
  width: 86px;
  height: 78px;
  border: 1px solid var(--border-hover);
  border-radius: 18px 18px 14px 14px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.08), transparent 44%),
    color-mix(in srgb, var(--bg-terminal) 88%, var(--accent-1));
  color: var(--text-primary);
  box-shadow: var(--shadow-lg), inset 0 -10px 24px rgba(0, 0, 0, 0.22);
  cursor: grab;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: -0.05em;
  user-select: none;
}

.pet-body:active {
  cursor: grabbing;
}

.pet-body::before,
.pet-body::after {
  content: '';
  position: absolute;
  top: 21px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--accent-1);
  box-shadow: 0 0 10px var(--accent-1);
  animation: petBlink 5s infinite;
}

.pet-body::before { left: 18px; }
.pet-body::after { right: 18px; }

.pet-antenna {
  position: absolute;
  top: -16px;
  left: 50%;
  width: 1px;
  height: 18px;
  background: var(--border-hover);
  transform: translateX(-50%);
}

.pet-antenna::after {
  content: '';
  position: absolute;
  top: -5px;
  left: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
}

.pet-face {
  margin-top: 22px;
  color: var(--text-primary);
}

.pet-feet {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -8px;
  display: flex;
  justify-content: space-between;
}

.pet-feet i {
  width: 18px;
  height: 10px;
  border-radius: 0 0 8px 8px;
  background: var(--accent-1);
  opacity: 0.78;
}

.blog-pet:not(.dragging) .pet-body {
  animation: petFloat 3.8s ease-in-out infinite;
}

.blog-pet.sleeping .pet-body {
  transform: rotate(4deg);
}

.blog-pet.sleeping .pet-face {
  opacity: 0.64;
}

.blog-pet[data-skin="code-dog"] .pet-body {
  border-radius: 18px 18px 22px 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.1), transparent 44%),
    color-mix(in srgb, var(--bg-terminal) 80%, var(--accent-3));
}

.blog-pet[data-skin="nebula-jelly"] .pet-body {
  border-radius: 42% 42% 18px 18px;
  background:
    radial-gradient(circle at 35% 22%, rgba(255,255,255,0.18), transparent 24%),
    color-mix(in srgb, var(--bg-terminal) 72%, var(--accent-2));
}

.blog-pet[data-skin="robo-bird"] .pet-body {
  border-radius: 20px 26px 20px 26px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 42%),
    color-mix(in srgb, var(--bg-terminal) 78%, var(--text-muted));
}

/* ============================================
   黑洞皮肤：完全替换机器人外观
   ============================================ */

.blog-pet[data-skin="black-hole"] {
  width: 108px;
}

.blog-pet[data-skin="black-hole"] .pet-body {
  width: 96px;
  height: 96px;
  border: none;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.blog-pet[data-skin="black-hole"] .pet-body::before,
.blog-pet[data-skin="black-hole"] .pet-body::after {
  display: none;
}

.blog-pet[data-skin="black-hole"]:not(.dragging) .pet-body {
  animation: petBlackholeFloat 4.6s ease-in-out infinite;
}

.blog-pet[data-skin="black-hole"].sleeping .pet-body {
  transform: scale(0.94);
  opacity: 0.88;
}

.pet-blackhole {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  transition: filter 0.4s ease;
}

.pet-blackhole-aura {
  position: absolute;
  inset: -12px;
  width: calc(100% + 24px);
  height: calc(100% + 24px);
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.85;
}

.pet-blackhole-glow {
  position: absolute;
  inset: -18%;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(255, 170, 80, 0.22) 0%,
    rgba(140, 90, 255, 0.14) 34%,
    rgba(0, 0, 0, 0) 68%);
  animation: petBlackholePulse 3.2s ease-in-out infinite;
}

.pet-blackhole-disk {
  position: absolute;
  width: 118%;
  height: 34%;
  border-radius: 50%;
  border: 2px solid rgba(255, 196, 120, 0.55);
  box-shadow:
    0 0 14px rgba(255, 150, 70, 0.45),
    inset 0 0 10px rgba(255, 210, 120, 0.25);
  transform: rotate(-24deg);
  animation: petBlackholeSpin 7s linear infinite;
  opacity: 0.9;
}

.pet-blackhole-disk::before {
  content: '';
  position: absolute;
  inset: 3px 8px;
  border-radius: 50%;
  border: 1px solid rgba(255, 220, 160, 0.35);
}

.pet-blackhole-texture {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.35s ease;
  filter: drop-shadow(0 0 10px rgba(255, 130, 50, 0.35));
}

.pet-blackhole-texture.loaded {
  opacity: 1;
}

/* 无贴图时的 CSS 占位黑洞 */
.blog-pet[data-skin="black-hole"]:not(.pet-blackhole-textured) .pet-blackhole-texture:not(.loaded) {
  opacity: 1;
  background:
    radial-gradient(circle at 50% 50%, #000 0%, #000 42%, rgba(30, 10, 50, 0.95) 52%, transparent 58%),
    radial-gradient(circle at 50% 50%, rgba(255, 170, 90, 0.35) 0%, rgba(120, 70, 255, 0.18) 38%, transparent 62%);
  border-radius: 50%;
  box-shadow:
    0 0 0 2px rgba(255, 180, 100, 0.25),
    0 0 24px rgba(255, 120, 50, 0.28),
    0 0 48px rgba(100, 60, 200, 0.18);
}

.pet-blackhole-shadow {
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, #000 0%, #000 70%, rgba(0,0,0,0.85) 100%);
  z-index: 1;
  box-shadow: inset 0 0 16px rgba(0, 0, 0, 0.95);
}

.blog-pet.pet-blackhole-textured .pet-blackhole-shadow {
  opacity: 0.35;
}

.blog-pet[data-skin="black-hole"] .pet-bubble {
  border-color: rgba(255, 160, 90, 0.35);
  box-shadow: 0 0 20px rgba(120, 80, 255, 0.12), var(--shadow-md);
}

.blog-pet[data-skin="black-hole"] .pet-bubble::after {
  border-color: rgba(255, 160, 90, 0.35);
}

/* SVG 滤镜容器（不可见） */
.pet-fx-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* 引力透镜：用 backdrop-filter 实时扭曲黑洞身后的页面内容
   （文字、粒子 canvas 等）。它是宠物的子元素，会自动跟随拖拽、
   抛掷与漂浮，无需额外脚本驱动；mask 让扭曲在边缘平滑淡出。 */
.pet-lens {
  position: absolute;
  left: 50%;
  top: 50%;
  /* 扭曲影响范围为原来的 1.2 倍（230 → 276） */
  width: 276px;
  height: 276px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  display: none;
  z-index: 0;
  -webkit-backdrop-filter: url(#pet-gravity-filter);
  backdrop-filter: url(#pet-gravity-filter);
  -webkit-mask: radial-gradient(circle at center, #000 0%, #000 30%, rgba(0, 0, 0, 0.35) 55%, transparent 72%);
  mask: radial-gradient(circle at center, #000 0%, #000 30%, rgba(0, 0, 0, 0.35) 55%, transparent 72%);
  /* 让拖动↔停下时扭曲范围平滑过渡，避免松手瞬间尺寸突变 */
  transition: width 0.5s ease, height 0.5s ease;
}

.blog-pet[data-skin="black-hole"] .pet-lens {
  display: block;
}

/* 拖动黑洞时让引力场更大一些（同样为原 280 的 1.2 倍 → 336） */
.blog-pet[data-skin="black-hole"].dragging .pet-lens {
  width: 336px;
  height: 336px;
}

/* 非黑洞皮肤隐藏黑洞结构 */
.blog-pet:not([data-skin="black-hole"]) .pet-blackhole {
  display: none;
}

/* 黑洞皮肤：彻底隐藏机器人部件，宠物被完整替换为黑洞 */
.blog-pet[data-skin="black-hole"] .pet-antenna,
.blog-pet[data-skin="black-hole"] .pet-feet,
.blog-pet[data-skin="black-hole"] .pet-face {
  display: none;
}

@keyframes petBlackholeFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-7px) scale(1.02); }
}

@keyframes petBlackholeSpin {
  from { transform: rotate(-24deg); }
  to { transform: rotate(336deg); }
}

@keyframes petBlackholePulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.08); opacity: 1; }
}

.pet-panel {
  position: absolute;
  width: min(300px, calc(100vw - 2rem));
  padding: 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: color-mix(in srgb, var(--bg-terminal) 94%, transparent);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.pet-panel-title {
  margin-bottom: 0.55rem;
  color: var(--accent-1);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pet-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.pet-actions button,
.pet-skins button {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-mono);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.pet-actions button {
  padding: 0.48rem 0.55rem;
  font-size: 0.72rem;
}

.pet-actions button:hover,
.pet-skins button:hover:not(:disabled),
.pet-skins button.active {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  color: var(--accent-1);
}

.pet-skins {
  display: grid;
  gap: 0.45rem;
}

.pet-skins button {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 0.1rem 0.55rem;
  padding: 0.55rem;
  text-align: left;
}

.pet-skins button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.pet-skins span {
  grid-row: span 2;
  align-self: center;
  color: var(--accent-2);
  font-size: 0.72rem;
}

.pet-skins strong {
  font-size: 0.76rem;
  color: var(--text-primary);
}

.pet-skins small {
  color: var(--text-muted);
  font-size: 0.66rem;
}

.pet-status-restore {
  border: none;
  background: none;
  color: var(--accent-1);
  font: inherit;
  cursor: pointer;
}

.pet-status-restore:hover {
  color: var(--accent-2);
}

@keyframes petFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes petBlink {
  0%, 92%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.15); }
}

@media (max-width: 640px) {
  .blog-pet {
    width: 78px;
  }

  .blog-pet[data-skin="black-hole"] {
    width: 92px;
  }

  .pet-body {
    width: 72px;
    height: 68px;
    font-size: 0.7rem;
  }

  .blog-pet[data-skin="black-hole"] .pet-body {
    width: 84px;
    height: 84px;
  }

  .pet-panel {
    right: -0.35rem;
    width: min(292px, calc(100vw - 1rem));
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-pet:not(.dragging) .pet-body,
  .pet-body::before,
  .pet-body::after {
    animation: none !important;
  }

  .pet-blackhole-glow,
  .pet-blackhole-disk,
  .blog-pet[data-skin="black-hole"]:not(.dragging) .pet-body {
    animation: none !important;
  }
}