.bbs-root {
  --bbs-primary: #2563eb;
  --bbs-primary-dark: #1d4ed8;
  --bbs-primary-50: #eff6ff;
  --bbs-text: #334155;
  --bbs-text-sub: #64748b;
  --bbs-bg: #ffffff;
  --bbs-bg-alt: #f8fafc;
  --bbs-border: #e2e8f0;
  --bbs-danger: #ef4444;
  --bbs-radius: 8px;
  --bbs-radius-lg: 12px;
  --bbs-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  font-family: "Noto Sans JP", sans-serif;
  color: var(--bbs-text);
}

/* Header */
.bbs-page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--bbs-border);
}
.bbs-page-title { font-size: 22px; font-weight: 700; margin: 0; color: #0f172a; }
.bbs-page-subtitle { margin: 4px 0 0; font-size: 13px; color: var(--bbs-text-sub); }

/* Buttons (WordPressの.buttonに対するフォールバック) */
.bbs-root .button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 16px; border-radius: var(--bbs-radius); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: 0.15s; text-decoration: none !important;
  /* WPテーマで装飾されない場合の最低限のスタイル */
  border: 1px solid var(--bbs-border); background: #fff; color: var(--bbs-text);
}
.bbs-root .button-primary {
  background: var(--bbs-primary); color: #fff !important; border-color: var(--bbs-primary);
}
.bbs-root .button:hover { opacity: 0.85; transform: translateY(-1px); }

/* Edit/Delete Buttons (Outline) */
.bbs-btn-outline {
  display: inline-flex; align-items: center; padding: 4px 12px;
  border-radius: 4px; font-size: 12px; font-weight: 600;
  border: 1px solid var(--bbs-border); background: #fff;
  color: var(--bbs-text-sub) !important; text-decoration: none !important;
}
.bbs-btn-outline:hover { background: var(--bbs-bg-alt); border-color: var(--bbs-text-sub); }
.bbs-btn-outline.text-danger:hover { color: var(--bbs-danger) !important; border-color: var(--bbs-danger); }

/* Thread List */
.bbs-thread-list { display: flex; flex-direction: column; gap: 12px; }
.bbs-thread-row {
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px;
  align-items: center; padding: 18px; background: #fff;
  border: 1px solid var(--bbs-border); border-radius: var(--bbs-radius-lg);
  text-decoration: none !important; color: inherit !important; transition: 0.2s;
}
.bbs-thread-row:hover { border-color: var(--bbs-primary); box-shadow: var(--bbs-shadow-sm); }
.bbs-thread-title { font-weight: 700; font-size: 1.15rem; margin: 0 0 6px; color: #0f172a; }

/* 記事の概要（2行で省略） */
.bbs-thread-excerpt {
  font-size: 14px;
  color: var(--bbs-text-sub);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.bbs-meta { font-size: 12px; color: var(--bbs-text-sub); }
.bbs-meta-row { display: flex; align-items: center; gap: 10px; }

.bbs-reply-stack { text-align: center; background: var(--bbs-bg-alt); padding: 6px 12px; border-radius: 6px; min-width: 50px; }
.bbs-reply-stack .num { display: block; font-weight: 700; color: var(--bbs-primary); }
.bbs-reply-stack .lbl { font-size: 10px; color: var(--bbs-text-sub); }

/* Detail View Layout */
.bbs-post-detail {
  background: #fff; border: 1px solid var(--bbs-border);
  border-radius: var(--bbs-radius-lg); padding: 10px 10px; 
  margin-bottom: 24px;
}
.bbs-detail-title-main {
  margin-top: 10px !important;
  margin-left: 10px !important;
  font-size: 1.4rem;
  padding-bottom: 12px; 
  color: #0f172a; line-height: 1.4;
}

/* Post Body with Avatar on the Left */
.bbs-post-main-layout {
  display: grid; grid-template-columns: 48px 1fr; gap: 16px;
}
.bbs-post-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 12px; padding-top: 8px;
  border-top: 1px dashed var(--bbs-border);
  flex-wrap: wrap; gap: 10px;
}
.bbs-post-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--bbs-text-sub); }
.bbs-post-meta .name { font-weight: 600; color: var(--bbs-text); }
.bbs-post-btns { display: flex; gap: 8px; }

/* Reply Post */
.bbs-post {
  background: #fff; border: 1px solid var(--bbs-border);
  border-radius: var(--bbs-radius-lg); padding: 16px 20px; margin-bottom: 16px;
}
.bbs-post-content { padding: 5px 0 20px 0; color: var(--bbs-text); font-size: 15px; line-height: 1.7; }

/* Section Title */
.bbs-section-title { font-weight: 700; margin: 32px 0 16px; font-size: 14px; color: var(--bbs-text-sub); }

/* Avatars */
.bbs-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 600; font-size: 18px; flex-shrink: 0;
}
.bbs-avatar.lg { width: 44px; height: 44px; font-size: 16px; }
.bbs-avatar.xl { width: 48px; height: 48px; }
.av-1 { background: #3b82f6; } .av-2 { background: #10b981; } .av-3 { background: #f59e0b; }
.av-4 { background: #8b5cf6; } .av-5 { background: #ec4899; } .av-6 { background: #64748b; }

/* WP Standard Pagination Styling */
.bbs-pagination {
  display: flex; justify-content: center; align-items: center; gap: 6px;
  margin-top: 32px; flex-wrap: wrap;
}
.bbs-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px;
  border: 1px solid var(--bbs-border); border-radius: 6px;
  background: #fff; color: var(--bbs-text); font-size: 14px; font-weight: 500;
  text-decoration: none !important; transition: 0.2s;
}
.bbs-pagination .page-numbers:hover:not(.current) { background: var(--bbs-bg-alt); border-color: var(--bbs-text-sub); }
.bbs-pagination .page-numbers.current {
  background: var(--bbs-primary); color: #fff; border-color: var(--bbs-primary);
}

/* Form Layout */
.bbs-form-card { background: #fff; border: 1px solid var(--bbs-border); border-radius: var(--bbs-radius-lg); padding: 20px; }
.bbs-field { margin-bottom: 12px; }
.bbs-input, .bbs-textarea { width: 100%; border: 1px solid var(--bbs-border); border-radius: 6px; padding: 10px; font-family: inherit; }
.reply-form-inner { display: grid; grid-template-columns: 48px 1fr; gap: 16px; }
.bbs-form-actions { display: flex; gap: 12px; margin-top: 20px; }

/* Reply Area Adjustments */
.reply-input-area {
  display: flex; 
  flex-direction: column; 
  gap: 12px; /* テキストエリアとボタンの間隔を確保 */
}
.reply-actions {
  display: flex;
  justify-content: flex-end; /* ボタンを右寄せにする（任意） */
}

@media (max-width: 600px) {
  .bbs-page-header { flex-direction: column; gap: 12px; }
  
  /* スマホ表示時のグリッドを1カラムに変更 */
  .bbs-thread-row { grid-template-columns: 1fr; }
  .bbs-post-main-layout, .reply-form-inner { grid-template-columns: 1fr; }
  
  /* アバターと返信数を非表示に */
  .bbs-avatar, .bbs-reply-stack { display: none; }
  
  .bbs-post-footer { flex-direction: column; align-items: flex-start; }
}