/* AJI MCP Forge — スタイルシート
   ダークテーマ: 背景 #0f0e17 / カード #1a1a2e / テキスト #e0e0e0
*/

/* ===== リセット & ベース ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-root:    #0f0e17;
  --bg-card:    #1a1a2e;
  --bg-header:  #16213e;
  --bg-sidebar: #12112a;
  --bg-panel:   #1e1d35;
  --bg-canvas:  #0d0c1e;
  --text-main:  #e0e0e0;
  --text-sub:   #a7a9be;
  --text-dim:   #6b6d85;
  --border:     #2a2a4a;
  --border-light: #3a3a5a;
  --accent:     #1A8080;
  --accent-light: #5FBFBF;
  --accent-deep: #0D4040;
  --accent-glow: rgba(26, 128, 128, 0.3);
  --cat-trigger:   #7c3aed;
  --cat-source:    #0284c7;
  --cat-transform: #059669;
  --cat-output:    #d97706;
  --node-width: 180px;
  --node-radius: 10px;
  --port-size: 14px;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-node: 0 4px 20px rgba(0, 0, 0, 0.6);
  --transition: 0.18s ease;
  /* --- Day 6 追加 --- */
  --color-required:     #f87171;
  --color-error-border: #ef4444;
  --color-error-text:   #fca5a5;
  --color-help-text:    #8b8da8;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", Meiryo, sans-serif;
  font-size: 14px;
  background: var(--bg-root);
  color: var(--text-main);
  line-height: 1.5;
  user-select: none;
}

/* ===== レイアウト ===== */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  height: 52px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 100;
}

#workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== ツールバー ===== */
.toolbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 8px;
}

.toolbar-logo {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

.toolbar-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-light);
  letter-spacing: 0.3px;
}

.toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 4px;
}

.toolbar-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.toolbar-btn:hover {
  background: var(--bg-panel);
  border-color: var(--border-light);
}

.toolbar-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.toolbar-btn.primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

.toolbar-btn svg {
  flex-shrink: 0;
}

.toolbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mcp-name-input {
  padding: 5px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 13px;
  width: 180px;
  outline: none;
  transition: border-color var(--transition);
}

.mcp-name-input:focus {
  border-color: var(--accent);
}

.mcp-name-input::placeholder {
  color: var(--text-dim);
}

/* ===== 左サイドバー: ノードライブラリ ===== */
#sidebar {
  width: 220px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
  padding-bottom: 16px;
}

#sidebar::-webkit-scrollbar { width: 4px; }
#sidebar::-webkit-scrollbar-track { background: transparent; }
#sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-header {
  padding: 14px 14px 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.sidebar-category {
  padding: 8px 14px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: 0.3px;
}

/* ===== サイドバー検索（Day 7 追加）===== */
.sidebar-search-wrap {
  position: relative;
  margin: 6px 10px 8px;
}

.sidebar-search-input {
  width: 100%;
  padding: 6px 10px 6px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 12px;
  outline: none;
  transition: border-color var(--transition);
}

.sidebar-search-input:focus {
  border-color: var(--accent);
}

.sidebar-search-input::placeholder {
  color: var(--text-dim);
}

.sidebar-search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.sidebar-search-results {
  padding-bottom: 8px;
}

.sidebar-search-count {
  padding: 4px 14px 6px;
  font-size: 11px;
  color: var(--text-dim);
}

.sidebar-search-empty {
  padding: 12px 14px;
  font-size: 12px;
  color: var(--text-dim);
}

.sidebar-node-cat-tag {
  font-size: 10px;
  font-weight: 600;
  margin-top: 1px;
  opacity: 0.85;
}

/* ===== サイドバーカテゴリ折りたたみ（Day 7 追加）===== */
.sidebar-category-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px 6px;
  border-radius: 0;
  transition: background var(--transition);
  user-select: none;
}

.sidebar-category-toggle:hover {
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-cat-label {
  flex: 1;
}

.sidebar-cat-count {
  font-size: 10px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  padding: 1px 5px;
  min-width: 18px;
  text-align: center;
}

.sidebar-cat-arrow {
  color: var(--text-dim);
  display: flex;
  align-items: center;
  transition: transform 0.18s ease;
  flex-shrink: 0;
}

.sidebar-category-toggle.collapsed .sidebar-cat-arrow {
  transform: rotate(-90deg);
}

.sidebar-cat-nodes {
  overflow: hidden;
  max-height: 2000px;
  transition: max-height 0.22s ease, opacity 0.18s ease;
  opacity: 1;
}

.sidebar-cat-nodes.collapsed {
  max-height: 0;
  opacity: 0;
}

.sidebar-node {
  margin: 3px 10px;
  padding: 9px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: grab;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.sidebar-node:hover {
  border-color: var(--border-light);
  background: var(--bg-panel);
  transform: translateX(2px);
}

.sidebar-node:active {
  cursor: grabbing;
  transform: scale(0.97);
}

.sidebar-node-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-node-info {
  min-width: 0;
}

.sidebar-node-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-node-desc {
  font-size: 11px;
  color: var(--text-sub);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== キャンバス ===== */
#canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg-canvas);
  background-image:
    radial-gradient(circle, rgba(26,128,128,0.04) 0%, transparent 60%),
    radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 100% 100%, 24px 24px;
}

#canvas-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

#canvas-svg .connection-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.5;
  stroke-dasharray: none;
  opacity: 0.7;
  pointer-events: stroke;
  cursor: pointer;
  transition: opacity var(--transition), stroke-width var(--transition);
}

#canvas-svg .connection-line:hover {
  opacity: 1;
  stroke-width: 3.5;
}

#canvas-svg .connection-line.drawing {
  stroke-dasharray: 6 4;
  stroke-width: 2;
  pointer-events: none;
  opacity: 0.5;
}

#canvas-nodes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ===== キャンバス上のノード ===== */
.canvas-node {
  position: absolute;
  width: var(--node-width);
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--node-radius);
  box-shadow: var(--shadow-node);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
  user-select: none;
  z-index: 10;
}

.canvas-node:hover {
  border-color: var(--border-light);
  box-shadow: 0 6px 28px rgba(0,0,0,0.7);
}

.canvas-node.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow), 0 6px 28px rgba(0,0,0,0.7);
}

.canvas-node.dragging {
  opacity: 0.85;
  box-shadow: 0 10px 40px rgba(0,0,0,0.8);
  z-index: 50;
  cursor: grabbing;
}

.node-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: calc(var(--node-radius) - 1px) calc(var(--node-radius) - 1px) 0 0;
  border-bottom: 1px solid var(--border);
}

.node-icon {
  width: 24px;
  height: 24px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.node-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-delete {
  width: 18px;
  height: 18px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  opacity: 0;
  transition: opacity var(--transition), color var(--transition);
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1;
}

.canvas-node:hover .node-delete {
  opacity: 1;
}

.node-delete:hover {
  color: #f87171;
}

.node-body {
  padding: 8px 10px;
  font-size: 11px;
  color: var(--text-sub);
  min-height: 30px;
}

.node-config-preview {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== 入出力ポート ===== */
.node-port {
  position: absolute;
  width: var(--port-size);
  height: var(--port-size);
  border-radius: 50%;
  background: var(--bg-root);
  border: 2px solid var(--border-light);
  cursor: crosshair;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.node-port:hover, .node-port.highlight {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-50%) scale(1.3);
}

.node-port.in  { left: calc(var(--port-size) / -2); }
.node-port.out { right: calc(var(--port-size) / -2); }

/* ===== 空キャンバスのガイド ===== */
#canvas-empty-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  opacity: 0.5;
  transition: opacity var(--transition);
}

#canvas-empty-hint.hidden {
  opacity: 0;
}

.hint-icon {
  font-size: 40px;
  margin-bottom: 12px;
  color: var(--text-dim);
}

.hint-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.hint-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ===== 右パネル: 設定フォーム ===== */
#right-panel {
  width: 280px;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition);
}

#right-panel::-webkit-scrollbar { width: 4px; }
#right-panel::-webkit-scrollbar-track { background: transparent; }
#right-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

#right-panel.empty {
  align-items: center;
  justify-content: center;
}

.panel-empty-hint {
  text-align: center;
  color: var(--text-dim);
  padding: 24px;
  font-size: 13px;
  line-height: 1.6;
}

.panel-header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-node-icon {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.panel-node-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.panel-node-cat {
  font-size: 11px;
  color: var(--text-sub);
  margin-top: 1px;
}

.panel-body {
  padding: 14px 16px 20px;
  flex: 1;
}

.form-field {
  margin-bottom: 14px;
}

.form-field:last-child {
  margin-bottom: 0;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 5px;
}

.help-icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: help;
  flex-shrink: 0;
  position: relative;
  transition: background var(--transition);
}

.help-icon:hover {
  background: var(--accent);
  color: #fff;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
  font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-dim);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b6d85' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  cursor: pointer;
}

.form-select option {
  background: var(--bg-card);
  color: var(--text-main);
}

/* ===== ヘルプツールチップ ===== */
.help-tooltip {
  position: fixed;
  z-index: 9999;
  max-width: 240px;
  padding: 8px 12px;
  background: #0a0918;
  border: 1px solid var(--accent);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-main);
  line-height: 1.5;
  box-shadow: 0 8px 24px rgba(0,0,0,0.7);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.help-tooltip.visible {
  opacity: 1;
}

/* ===== モーダル ===== */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

#modal-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

#modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: min(720px, 95vw);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.8);
  transform: translateY(12px);
  transition: transform 0.2s ease;
}

#modal-overlay.visible #modal-box {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-subtitle {
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 2px;
}

.modal-close {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: border-color var(--transition), color var(--transition);
}

.modal-close:hover {
  border-color: var(--border-light);
  color: var(--text-main);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.modal-body::-webkit-scrollbar { width: 4px; }
.modal-body::-webkit-scrollbar-track { background: transparent; }
.modal-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

#export-code {
  display: block;
  width: 100%;
  padding: 16px 20px;
  background: transparent;
  border: none;
  color: #a5d6a7;
  font-family: "Cascadia Code", "Fira Code", "Consolas", "Monaco", monospace;
  font-size: 12px;
  line-height: 1.7;
  resize: none;
  outline: none;
  white-space: pre;
  min-height: 320px;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  gap: 10px;
}

.modal-note {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ===== オンボーディング ===== */
#onboarding {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.onboarding-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: min(520px, 92vw);
  min-width: 320px;
  padding: 28px 28px 24px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.8);
  position: relative;
}

/* 閉じるボタン（右上×） */
.ob-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition);
  font-size: 16px;
  line-height: 1;
}
.ob-close:hover {
  border-color: var(--border-light);
  color: var(--text-main);
}

/* ヘッダー（ロゴ + タイトル） */
.ob-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  padding-right: 36px;
}

.onboarding-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

/* ステップインジケーター */
.ob-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
}

.ob-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-light);
  transition: background 0.2s ease, transform 0.2s ease;
}

.ob-dot.active {
  background: var(--accent);
  transform: scale(1.25);
}

.ob-step-label {
  font-size: 11px;
  color: var(--text-dim);
  margin-left: 4px;
}

/* コンテンツエリア */
.ob-content {
  min-height: 120px;
  margin-bottom: 24px;
}

.ob-step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.4;
}

.ob-step-body {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
  user-select: text;
}

/* ボタン行 */
.ob-footer {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ob-btn-skip {
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.ob-btn-skip:hover {
  border-color: var(--border-light);
  color: var(--text-sub);
}

.ob-btn-prev {
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-sub);
  font-size: 13px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.ob-btn-prev:hover {
  border-color: var(--border-light);
  color: var(--text-main);
}

.ob-btn-next {
  margin-left: auto;
  padding: 9px 20px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
}
.ob-btn-next:hover {
  background: var(--accent-deep);
}

/* ===== オンボーディング ステップアイコン ===== */
.ob-step-title {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.ob-step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 2px;
}

/* ===== ステップ3 視覚デモSVG ===== */
.ob-demo-svg {
  margin-top: 14px;
  display: flex;
  justify-content: center;
  opacity: 0.85;
}

.ob-demo-svg svg {
  max-width: 100%;
}

/* ===== ステップ5 「READMEで詳しく」ボタン ===== */
.ob-btn-readme {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-sub);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition);
  white-space: nowrap;
  margin-left: auto;
}
.ob-btn-readme:hover {
  border-color: var(--accent);
  color: var(--text-main);
}

/* 最終ステップのob-footerは3ボタン配置 */
.ob-footer--final {
  justify-content: space-between;
}

/* ===== 「最初の一歩」誘導 ===== */
.first-drop-hint {
  margin: 8px 10px;
  padding: 10px 12px;
  background: rgba(26, 128, 128, 0.12);
  border: 1px solid rgba(26, 128, 128, 0.5);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: hint-in 0.3s ease forwards;
  line-height: 1.4;
  transition: opacity 0.5s ease;
}

.first-drop-hint-arrow {
  color: var(--accent);
  flex-shrink: 0;
  animation: hint-pulse 1.2s ease-in-out infinite;
}

.first-drop-hint.fade-out {
  opacity: 0;
}

@keyframes hint-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes hint-pulse {
  0%, 100% { transform: translateX(0); }
  50%       { transform: translateX(4px); }
}

/* 旧スタイル（後方互換・不使用） */
.onboarding-title { display: none; }
.onboarding-desc  { display: none; }
.onboarding-steps { display: none; }
.onboarding-btn   { display: none; }

/* ===== トーストメッセージ ===== */
#toast-container {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 8px 16px;
  background: #22223b;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  color: var(--text-main);
  font-size: 13px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  animation: toast-in 0.25s ease forwards;
  white-space: nowrap;
}

.toast.success { border-color: #059669; }
.toast.warn    { border-color: #d97706; color: #fbbf24; }
.toast.error   { border-color: #dc2626; color: #fca5a5; }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}

/* ===== フッター ===== */
#footer-bar {
  padding: 5px 16px;
  background: var(--bg-header);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  background: rgba(26,128,128,0.15);
  border: 1px solid rgba(26,128,128,0.4);
  border-radius: 10px;
  font-size: 10px;
  color: var(--accent-light);
  font-weight: 600;
}

/* ===== Day 6: 設定UI磨き ===== */

/* 必須マーク（赤ドットSVG） */
.form-required-mark {
  display: inline-flex;
  align-items: center;
  margin-left: 3px;
  flex-shrink: 0;
}

/* 必須フィールド・未入力状態のボーダー（控えめな赤） */
.form-input.required-empty,
.form-textarea.required-empty,
.form-select.required-empty {
  border-color: rgba(248, 113, 113, 0.45);
}

/* エラー状態の入力フィールド */
.form-input.has-error,
.form-textarea.has-error,
.form-select.has-error {
  border-color: var(--color-error-border);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.18);
}

/* エラーメッセージ（フィールド直下） */
.form-error-msg {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  margin-top: 5px;
  font-size: 11px;
  color: var(--color-error-text);
  line-height: 1.5;
}

.form-error-msg svg {
  flex-shrink: 0;
  margin-top: 1px;
}

/* helpテキスト（常時表示） */
.form-help-text {
  margin-top: 5px;
  font-size: 11px;
  color: var(--color-help-text);
  line-height: 1.55;
  user-select: text;
}

/* 設定済みバッジ（右パネルヘッダー） */
.panel-config-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px 2px 5px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2px;
  flex-shrink: 0;
  margin-left: auto;
}

.panel-config-badge--done {
  background: rgba(5, 150, 105, 0.15);
  border: 1px solid rgba(5, 150, 105, 0.4);
  color: #6ee7b7;
}

.panel-config-badge--pending {
  background: rgba(217, 119, 6, 0.12);
  border: 1px solid rgba(217, 119, 6, 0.4);
  color: #fbbf24;
}

/* ===== スクロールバー共通 ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ===== スマホ向け注意 ===== */
@media (max-width: 900px) {
  #mobile-warn {
    display: flex !important;
  }
}

#mobile-warn {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-root);
  z-index: 9999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
}

.mobile-warn-icon { font-size: 48px; margin-bottom: 16px; color: var(--text-dim); }
.mobile-warn-title { font-size: 18px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.mobile-warn-desc { font-size: 14px; color: var(--text-sub); line-height: 1.6; }

/* ===== カスタムノード: サイドバーセクション ===== */
.sidebar-custom-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 10px 8px;
}

.sidebar-custom-header {
  padding: 6px 14px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar-node-star {
  color: var(--accent-light);
  font-size: 12px;
  flex-shrink: 0;
  margin-right: -2px;
}

.sidebar-custom-add-btn {
  margin: 4px 10px;
  padding: 8px 12px;
  background: rgba(26, 128, 128, 0.10);
  border: 1px dashed rgba(26, 128, 128, 0.5);
  border-radius: 8px;
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background var(--transition), border-color var(--transition);
}

.sidebar-custom-add-btn:hover {
  background: rgba(26, 128, 128, 0.18);
  border-color: var(--accent);
}

.sidebar-custom-empty {
  margin: 6px 10px;
  padding: 10px 12px;
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.5;
  text-align: center;
}

.sidebar-custom-empty-btn {
  display: inline;
  color: var(--accent-light);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  background: none;
  border: none;
  font-size: 11px;
  font-family: inherit;
  padding: 0;
}

.sidebar-custom-empty-btn:hover {
  color: var(--accent);
}

/* ===== カスタムノード: 作成モーダル ===== */
.cn-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
}

.cn-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: min(560px, 95vw);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.8);
  transform: translateY(12px);
  transition: transform 0.2s ease;
}

.cn-modal-overlay.visible .cn-modal {
  transform: translateY(0);
}

.cn-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.cn-modal-header-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.cn-modal-close {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition);
}

.cn-modal-close:hover {
  border-color: var(--border-light);
  color: var(--text-main);
}

.cn-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.cn-modal-body::-webkit-scrollbar { width: 4px; }
.cn-modal-body::-webkit-scrollbar-track { background: transparent; }
.cn-modal-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.cn-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

/* ===== カスタムノード: ステップインジケーター ===== */
.cn-step-indicator {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
}

.cn-step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  transition: color var(--transition);
}

.cn-step.active {
  color: var(--accent-light);
}

.cn-step.done {
  color: #059669;
}

.cn-step-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  transition: background var(--transition), color var(--transition);
}

.cn-step.active .cn-step-dot {
  background: var(--accent);
  color: #fff;
}

.cn-step.done .cn-step-dot {
  background: #059669;
  color: #fff;
}

.cn-step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 8px;
  transition: background var(--transition);
}

.cn-step-line.done {
  background: #059669;
}

/* ===== カスタムノード: フォームフィールド ===== */
.cn-field {
  margin-bottom: 16px;
}

.cn-field:last-child {
  margin-bottom: 0;
}

.cn-form-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 5px;
}

.cn-form-help {
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.5;
}

.cn-error {
  margin-top: 4px;
  font-size: 11px;
  color: var(--color-error-text);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== カスタムノード: 認証警告 ===== */
.cn-auth-warning {
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(217, 119, 6, 0.10);
  border: 1px solid rgba(217, 119, 6, 0.35);
  border-radius: 8px;
  font-size: 11px;
  color: #fbbf24;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.cn-auth-warning svg {
  flex-shrink: 0;
  margin-top: 1px;
}

/* ===== カスタムノード: パラメータ行 ===== */
.cn-param-row {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 8px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.cn-param-row .form-input,
.cn-param-row .form-select {
  font-size: 12px;
  padding: 6px 8px;
}

.cn-param-field {
  flex: 1;
  min-width: 0;
}

.cn-param-field-narrow {
  width: 80px;
  flex-shrink: 0;
}

.cn-param-del {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 18px;
  transition: color var(--transition), background var(--transition);
}

.cn-param-del:hover {
  color: #f87171;
  background: rgba(248, 113, 113, 0.12);
}

.cn-param-add-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border: 1px dashed var(--border-light);
  border-radius: 6px;
  background: transparent;
  color: var(--text-sub);
  font-size: 12px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
  margin-top: 4px;
}

.cn-param-add-btn:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

.cn-param-options-wrap {
  margin-top: 4px;
}

.cn-param-check-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-sub);
  cursor: pointer;
  margin-top: 4px;
}

.cn-param-check-label input[type="checkbox"] {
  accent-color: var(--accent);
}

/* ===== カスタムノード: 管理モーダル ===== */
.cn-manage-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  transition: border-color var(--transition);
}

.cn-manage-row:hover {
  border-color: var(--border-light);
}

.cn-manage-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.cn-manage-info {
  flex: 1;
  min-width: 0;
}

.cn-manage-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cn-manage-tool {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 1px;
}

.cn-manage-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.cn-manage-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition);
}

.cn-manage-btn:hover {
  border-color: var(--border-light);
  color: var(--text-main);
}

.cn-manage-btn.danger:hover {
  border-color: #dc2626;
  color: #f87171;
}

.cn-manage-empty {
  text-align: center;
  padding: 24px;
  color: var(--text-dim);
  font-size: 13px;
}

.cn-manage-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

/* ===== カスタムノード: ToolName自動生成ボタン ===== */
.cn-auto-toolname-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--text-dim);
  font-size: 10px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
  margin-left: auto;
}

.cn-auto-toolname-btn:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

/* ===== カスタムノード: トースト ===== */
.cn-toast {
  padding: 8px 16px;
  background: #22223b;
  border: 1px solid var(--accent);
  border-radius: 20px;
  color: var(--text-main);
  font-size: 13px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  animation: toast-in 0.25s ease forwards;
  white-space: nowrap;
}