/* ============================================================
   manual.css — サポートマニュアル（DESIGN.md準拠）
   ============================================================ */
.manual-container {
  display: flex;
  height: 100%;
}

/* --- 左ナビ --- */
.manual-nav {
  width: 200px;
  border-right: 1px solid var(--border);
  background: var(--bg-sidebar, var(--bg-primary));
  flex-shrink: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.manual-nav-header {
  padding: 10px 14px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}
.manual-nav-item {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.manual-nav-item:hover {
  background: rgba(0,0,0,0.02);
}
.manual-nav-item.active {
  background: var(--bg-secondary);
  border-left-color: var(--accent);
  color: var(--text-primary);
  font-weight: 600;
}
.manual-nav-icon {
  font-size: 15px;
  flex-shrink: 0;
}

/* --- コンテンツ --- */
.manual-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  line-height: 1.7;
  font-size: 14px;
  color: var(--text-primary);
}
.manual-content h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 16px 0;
  color: var(--text-primary);
}
.manual-content p {
  margin: 4px 0;
}
.manual-content ol, .manual-content ul {
  padding-left: 20px;
  margin: 8px 0;
}
.manual-content li {
  margin-bottom: 6px;
}
.manual-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 13px;
}

/* --- フローステップ --- */
.manual-flow {
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.manual-flow-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.manual-flow-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.manual-flow-body {
  flex: 1;
}
.manual-flow-body b {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
}
.manual-flow-body p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* --- 重要マーク --- */
.manual-important {
  background: rgba(243, 156, 18, 0.12);
  color: #b8860b;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 600;
}

/* --- ヒント・注意ボックス --- */
.manual-tip {
  margin: 16px 0;
  padding: 12px 14px;
  background: rgba(74, 127, 217, 0.06);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}
.manual-caution {
  margin: 12px 0;
  padding: 12px 14px;
  background: rgba(231, 76, 60, 0.06);
  border-left: 3px solid var(--danger);
  border-radius: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* --- 物件資料 --- */
.manual-building-photo {
  margin: 0 0 16px 0;
}
.manual-building-photo img {
  width: 100%;
  max-width: 400px;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.manual-building-spec {
  margin: 0 0 20px 0;
  padding: 12px 14px;
  background: var(--bg-sidebar, var(--bg-primary));
  border-radius: 6px;
  border: 1px solid var(--border-light);
}
.manual-floorplan {
  width: 100%;
  max-width: 360px;
  height: auto;
  margin: 8px 0 16px 0;
  border-radius: 4px;
}
.manual-content h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 16px 0 8px 0;
  color: var(--text-primary);
}

/* --- モバイル対応 --- */
@media (max-width: 768px) {
  .manual-container {
    flex-direction: column;
  }
  .manual-nav {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    flex-shrink: 0;
    -webkit-overflow-scrolling: touch;
  }
  .manual-nav-header { display: none; }
  .manual-nav-item {
    flex-shrink: 0;
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 8px 12px;
    font-size: 12px;
  }
  .manual-nav-item.active {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
  }
  .manual-content {
    padding: 16px;
  }
}