/* ==========================================
   CSS Variables & Base Reset
   ========================================== */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --icon-color: #475569;
  --danger-color: #ef4444;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
}

.print-header {
  display: none;
}

.print-text {
  display: none;
}

/* ==========================================
   Layout (Dashboard) - PCスタイル
   ========================================== */
.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 300px;
  background-color: var(--card-bg);
  border-right: 1px solid var(--border-color);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-shrink: 0;
  max-height: 100vh;
  overflow-y: auto;
  position: sticky;       /* 画面スクロールに合わせて固定 */
  top: 0;                /* 画面の一番上（0px）の位置でストップ */
  height: 100vh;         /* 高さを画面いっぱい（100vh）にする */
  overflow-y: auto;      /* 例が多くてはみ出た場合はサイドバー内だけでスクロール */
}

.sidebar-header h2 {
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-category { color: #f59e0b; }
.icon-ai { color: #0284c7; }

.example-search {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.8rem;
  outline: none;
}

.example-search:focus {
  border-color: var(--primary-color);
}

.accordion details {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 8px;
  background-color: var(--bg-color);
}

.accordion summary {
  padding: 10px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.example-list {
  list-style: none;
  padding: 6px 10px;
  background-color: var(--card-bg);
  max-height: 200px;
  overflow-y: auto;
}

.example-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border-color);
  gap: 8px;
}

.example-list li:last-child {
  border-bottom: none;
}

.btn-add {
  background-color: #eff6ff;
  color: var(--primary-color);
  border: 1px solid #bfdbfe;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-add:hover {
  background-color: #dbeafe;
}

.ai-assistant-card {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: var(--radius);
  padding: 14px;
  margin-top: auto;
}

.ai-assistant-card h3 {
  font-size: 0.9rem;
  color: #0369a1;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ai-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.tag {
  font-size: 0.75rem;
  background: #ffffff;
  padding: 3px 6px;
  border-radius: 4px;
  border: 1px solid #7dd3fc;
  cursor: pointer;
}

.btn-ai-generate {
  width: 100%;
  padding: 8px;
  background-color: #0284c7;
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.main-content {
  flex: 1;
  padding: 20px;
  max-width: 1200px;
}

.toolbar {
  background-color: var(--card-bg);
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slider-label {
  font-size: 0.85rem;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary { background-color: var(--primary-color); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); }

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: var(--border-color);
}

.layout-toggle {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.btn-icon {
  background: white;
  border: none;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--icon-color);
}

.btn-icon.active { background: #e2e8f0; }

.save-status {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.status-indicator {
  width: 6px;
  height: 6px;
  background-color: #22c55e;
  border-radius: 50%;
}

.list-container {
  display: grid;
  gap: 8px;
}

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

.bucket-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
}

.drag-handle {
  color: var(--text-muted);
  cursor: grab;
  font-size: 0.85rem;
  padding: 0 4px;
}

.item-number {
  font-weight: 600;
  font-size: 0.85rem;
  min-width: 28px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.item-input {
  flex: 1;
  border: 1px solid transparent;
  padding: 6px 8px;
  font-size: 0.9rem;
  border-radius: 4px;
  outline: none;
  min-width: 0;
}

.item-input:focus {
  border-color: var(--primary-color);
  background-color: #f8fafc;
}

.item-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.btn-action {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  color: var(--icon-color);
  font-size: 0.85rem;
}

.btn-action:hover { background-color: #f1f5f9; }
.icon-btn-delete:hover { color: var(--danger-color); }

.status-wrapper {
  display: flex;
  align-items: center;
}

.status-select {
  padding: 4px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: #fff;
  font-size: 0.75rem;
  cursor: pointer;
  color: var(--text-main);
}

.print-checkbox {
  display: none;
}

/* 入力状態の打ち分け */
.bucket-item.is-empty {
  background-color: #f1f5f9;
  border-color: #cbd5e1;
}

.bucket-item.is-empty .item-input::placeholder {
  color: #94a3b8;
  font-style: italic;
}

.bucket-item.is-filled {
  background-color: #ffffff;
  border-color: #94a3b8;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.bucket-item.is-filled .item-input {
  font-weight: 600;
  color: #0f172a;
}

.bucket-item.drag-over-top {
  border-top: 3px solid var(--primary-color) !important;
}

.bucket-item.drag-over-bottom {
  border-bottom: 3px solid var(--primary-color) !important;
}

[data-tooltip] { position: relative; }

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background-color: #0f172a;
  color: #ffffff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: normal;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-tooltip]::after {
  content: "";
  position: absolute;
  bottom: 105%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 5px 5px 0 5px;
  border-style: solid;
  border-color: #0f172a transparent transparent transparent;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 10;
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ==========================================
   Responsive (Mobile View)
   ========================================== */
@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }

  .main-content {
    order: 1;
    padding: 12px;
  }

  .sidebar {
    order: 2;
    width: 100%;
    max-height: none;
    border-right: none;
    border-top: 2px solid var(--border-color);
    margin-top: 24px;
    padding: 16px 12px;
  }

  .grid-layout-2 {
    grid-template-columns: 1fr;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
  }

  .toolbar-actions {
    justify-content: space-between;
  }

  .bucket-item {
    flex-wrap: wrap;
    padding: 10px;
    gap: 8px;
  }

  .item-input {
    width: 100%;
    flex: 1 0 100%;
    font-size: 0.95rem;
    padding: 8px;
    background-color: rgba(255, 255, 255, 0.9);
  }

  .item-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    border-top: 1px dashed var(--border-color);
    padding-top: 6px;
  }

  .btn-action {
    padding: 6px 10px;
    font-size: 1rem;
  }

  .status-select {
    padding: 6px;
    font-size: 0.8rem;
  }
}

/* ==========================================
   Print Stylesheet (@media print) 印刷完全固定
   ========================================== */
@media print {
  body {
    background-color: #fff !important;
    color: #000 !important;
  }

  .sidebar,
  .toolbar,
  .drag-handle,
  .btn-action,
  .save-status,
  .status-select,
  .item-input {
    display: none !important;
  }

  /* 印刷用テキストの設定 */
  .print-text {
    display: block !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    color: #000 !important;
    flex: 1 1 auto !important;
    width: 0 !important; /* flexバグによる潰れ防止 */
    min-width: 0 !important;
    word-break: break-all !important;
  }

  .print-header {
    display: flex !important;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 2px solid #000;
    padding-bottom: 6px;
    margin-bottom: 16px;
  }

  .print-header h1 {
    font-size: 1.4rem;
  }

  .app-container {
    display: block !important;
  }

  .main-content {
    padding: 0 !important;
    max-width: 100% !important;
  }

  .list-container {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px 16px !important;
  }

  .bucket-item {
    border: none !important;
    border-bottom: 1px solid #000 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 4px 0 !important;
    page-break-inside: avoid !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    background-color: transparent !important;
    width: 100% !important;
  }

  .item-number {
    flex-shrink: 0 !important;
    margin-right: 6px !important;
  }

  .print-checkbox {
    display: inline-block !important;
    width: 14px !important;
    height: 14px !important;
    border: 1px solid #000 !important;
    border-radius: 2px !important;
    margin-left: 6px !important;
    flex-shrink: 0 !important;
  }
}