.btn-primary {
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 12px 32px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  background: #ea580c;
}

.btn-outline-primary {
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: 8px;
  padding: 12px 32px;
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #ffffff;
}

.breadcrumb {
  font-size: 14px;
  margin-bottom: 24px;
  background-color: transparent;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  align-items: center; /* 垂直置中 */
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›"; /* 使用箭頭符號 */
  color: var(--text-muted);
  padding: 0 8px;
  font-family: inherit; /* 避免字型差異 */
}

.breadcrumb-item a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px; /* 圖示與文字間距 */
}

.breadcrumb-item a:hover {
  color: var(--primary);
  text-decoration: underline; /* 增加懸停效果 */
}

.breadcrumb-item.active {
  color: var(--primary);
  font-weight: 500;
  pointer-events: none; /* 當前頁面不可點擊 */
}

/* 針對舊版 HTML 結構的相容樣式 (如果無法一次修改所有檔案) */
nav.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px; /* 項目間距 */
  color: var(--text-muted);
}

nav.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

nav.breadcrumb a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.navbar-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}