/* ============================================
   缀雨博客 · 关于页样式
   ============================================ */

/* ---- 个人简介卡片 ---- */
.about-card {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  padding: 40px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 48px 0 32px;
}

.about-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.about-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a8c8e8 0%, #6ba3d6 100%);
  border: 3px solid rgba(74, 144, 217, 0.3);
  overflow: hidden;
  box-shadow: 0 0 30px rgba(74, 144, 217, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.about-badge {
  position: absolute;
  bottom: 4px;
  right: 4px;
  padding: 2px 8px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 10px;
}

.about-info {
  flex: 1;
}

.about-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.about-bio {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 500px;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag-pill {
  padding: 4px 12px;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: 16px;
  font-size: 0.8rem;
  color: var(--accent);
}

.about-links {
  display: flex;
  gap: 12px;
}

.about-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  transition: all var(--transition);
}

.about-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

/* ---- 博客统计 ---- */
.stats-section {
  margin-bottom: 40px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: rgba(74, 144, 217, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-serif);
  display: block;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- STL 3D 查看器 ---- */
.stl-section {
  margin-bottom: 40px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 8px;
}

.stl-viewer-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stl-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

.stl-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: linear-gradient(135deg, #1d6eb5 0%, #79c0ff 100%);
  color: #fff;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.stl-upload-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(121, 192, 255, 0.3);
}

.stl-upload-btn input {
  display: none;
}

.stl-sample-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stl-sample-btn {
  padding: 6px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
}

.stl-sample-btn:hover,
.stl-sample-btn.active {
  background: var(--tag-bg);
  border-color: var(--tag-border);
  color: var(--accent);
}

.stl-controls {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.stl-ctrl-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
}

.stl-ctrl-btn:hover {
  color: var(--accent);
  border-color: var(--tag-border);
}

.stl-ctrl-btn.active {
  color: var(--accent);
  background: var(--tag-bg);
  border-color: var(--tag-border);
}

.stl-viewport {
  position: relative;
  width: 100%;
  height: 480px;
  background: radial-gradient(ellipse at center, #d4e4f5 0%, #eaf2fb 100%);
}

#stlCanvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.stl-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  pointer-events: none;
}

.placeholder-icon {
  width: 64px;
  height: 64px;
  opacity: 0.4;
  color: var(--text-muted);
}

.stl-placeholder p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.hint-text {
  font-size: 0.8rem;
  color: rgba(107, 127, 148, 0.6);
  text-align: center;
  line-height: 1.6;
}

.stl-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: rgba(234, 242, 251, 0.85);
  z-index: 10;
}

.stl-loading p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.stl-info {
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
  .about-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px;
    gap: 24px;
  }

  .about-bio {
    max-width: 100%;
  }

  .about-tags,
  .about-links {
    justify-content: center;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .stl-viewport {
    height: 300px;
  }

  .stl-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .stl-controls {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .about-avatar {
    width: 100px;
    height: 100px;
  }
}