/* ========================================
   eBay CSV Description Editor v0.1.0
   CSS - 実用性重視のミニマルデザイン
   ======================================== */

:root {
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-border: #dddddd;
  --color-primary: #0066cc;
  --color-primary-hover: #0052a3;
  --color-danger: #cc3333;
  --color-danger-hover: #a32929;
  --color-warning-bg: #fff3cd;
  --color-warning-border: #ffc107;
  --color-error-bg: #f8d7da;
  --color-error-border: #dc3545;
  --color-success: #28a745;
  --font-size-base: 14px;
  --line-height: 1.6;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --radius: 4px;
  --max-width: 1000px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

/* ウィンドウ全体ドラッグオーバー時のオーバーレイ */
body[data-dragover="true"]::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 102, 204, 0.08);
  border: 3px dashed var(--color-primary);
  pointer-events: none;
  z-index: 9999;
}

#app {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* ========================================
   Header
   ======================================== */

header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

header h1 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.version-badge {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
  background-color: #e8e8e8;
  padding: 2px 8px;
  border-radius: 10px;
  vertical-align: middle;
}

header .intro {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ========================================
   Capabilities Section
   ======================================== */

#capabilities {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.capability-box {
  flex: 1;
  min-width: 200px;
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.capability-box h2 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-success);
}

.capability-box.limitation h2 {
  color: var(--color-text-muted);
}

.capability-box ul {
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-text);
}

.capability-box ul li {
  padding: var(--spacing-xs) 0;
}

/* ========================================
   Notice Section（やさしめ）
   ======================================== */

#notice {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: #f0f7ff;
  border: 1px solid #c8e0ff;
  border-radius: var(--radius);
  margin-bottom: var(--spacing-md);
  font-size: 0.85rem;
  color: #3366aa;
}

#notice p {
  margin: 0;
}

/* ========================================
   About Section（補足説明）
   ======================================== */

#about-section {
  padding: var(--spacing-md);
  background-color: #fafafa;
  border-radius: var(--radius);
  margin-bottom: var(--spacing-lg);
}

#about-section p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ========================================
   Upload Section
   ======================================== */

#upload-section {
  margin-bottom: var(--spacing-lg);
}

#dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-xl);
  text-align: center;
  background-color: var(--color-surface);
  transition: border-color 0.2s, background-color 0.2s;
}

#dropzone[data-dragover="true"] {
  border-color: var(--color-primary);
}

#dropzone p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-muted);
}

#file-input {
  display: none;
}

#dropzone label {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s;
}

#dropzone label:hover {
  background-color: var(--color-primary-hover);
}

#file-info {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: var(--radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#file-info[data-visible="false"] {
  display: none;
}

#file-name {
  font-weight: 500;
}

#row-count {
  color: var(--color-text-muted);
}

/* ========================================
   Messages (Error / Warning)
   ======================================== */

#error-message,
#warning-message {
  padding: var(--spacing-md);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-md);
}

#error-message[data-visible="false"],
#warning-message[data-visible="false"] {
  display: none;
}

#error-message {
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  color: var(--color-danger);
}

#warning-message {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: #856404;
}

/* ========================================
   Editor Section
   ======================================== */

#editor-section[data-visible="false"] {
  display: none;
}

#editor-section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

/* ========================================
   Sticky Panel（固定操作パネル）
   ======================================== */

#sticky-panel {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  padding: var(--spacing-md) 0;
  margin: 0 calc(-1 * var(--spacing-md));
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0);
  transition: box-shadow 0.2s;
}

#sticky-panel[data-stuck="true"] {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* ========================================
   Search Replace Panel
   ======================================== */

#search-replace-panel {
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--color-border);
}

.search-replace-inputs {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  flex: 1;
  min-width: 150px;
}

.input-group label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.input-group input[type="text"] {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: var(--font-size-base);
}

.input-group input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-replace-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.search-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  flex-wrap: wrap;
}

.replace-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

#match-info {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 0 var(--spacing-sm);
}

#match-info[data-visible="false"] {
  display: none;
}

/* ========================================
   Undo Panel
   ======================================== */

#undo-panel {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  flex-wrap: wrap;
}

/* ========================================
   Action Panel
   ======================================== */

#action-panel {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */

button {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font-size: var(--font-size-base);
  transition: background-color 0.2s, border-color 0.2s;
}

button:hover:not(:disabled) {
  background-color: #f0f0f0;
  border-color: #cccccc;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#replace-btn,
#download-btn {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

#replace-btn:hover:not(:disabled),
#download-btn:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

#reset-btn {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
  color: white;
}

#reset-btn:hover:not(:disabled) {
  background-color: var(--color-danger-hover);
  border-color: var(--color-danger-hover);
}

#undo-btn:not(:disabled) {
  background-color: #ffc107;
  border-color: #ffc107;
  color: #333;
}

#undo-btn:hover:not(:disabled) {
  background-color: #e0a800;
  border-color: #e0a800;
}

/* ========================================
   Pagination
   ======================================== */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
}

#pagination-top {
  margin-bottom: var(--spacing-md);
}

#pagination-bottom {
  margin-top: var(--spacing-md);
}

/* ========================================
   Description List
   ======================================== */

#description-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.description-item {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.description-item:last-child {
  border-bottom: none;
}

.description-item[data-has-match="true"] {
  background-color: #fffef0;
}

.description-item[data-current-match="true"] {
  background-color: #fff3cd;
  border-left: 3px solid var(--color-warning-border);
}

.description-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.row-number {
  font-weight: 600;
  color: var(--color-primary);
}

.row-title {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Description表示エリア（検索時はdivで表示） */
.description-display {
  width: 100%;
  min-height: 80px;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: #fafafa;
  font-family: monospace;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-y: auto;
  max-height: 200px;
}

/* 検索ハイライト */
.highlight {
  background-color: #ffeb3b;
  padding: 1px 2px;
  border-radius: 2px;
}

.highlight-current {
  background-color: #ff9800;
  color: white;
  padding: 1px 2px;
  border-radius: 2px;
  font-weight: 600;
}

.description-textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: monospace;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
}

.description-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.description-item[data-has-warning="true"] .description-textarea {
  border-color: var(--color-warning-border);
  background-color: var(--color-warning-bg);
}

.cell-warning {
  font-size: 0.85rem;
  color: #856404;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.cell-warning-text {
  flex: 1;
  min-width: 200px;
}

.cell-warning-fix-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: #ffc107;
  border: 1px solid #e0a800;
  border-radius: var(--radius);
  color: #333;
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.2s;
}

.cell-warning-fix-btn:hover {
  background-color: #e0a800;
}

/* ========================================
   Footer
   ======================================== */

footer {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

#seo-description {
  padding: var(--spacing-md);
  background-color: #fafafa;
  border-radius: var(--radius);
  margin-bottom: var(--spacing-md);
}

#seo-description p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom .version {
  font-size: 0.75rem;
  color: #aaa;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 600px) {
  .search-replace-inputs {
    flex-direction: column;
  }

  .input-group {
    width: 100%;
  }

  .search-replace-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .search-actions {
    flex-direction: column;
  }

  .search-actions button {
    width: 100%;
  }

  .replace-actions {
    flex-direction: column;
  }

  .replace-actions button {
    width: 100%;
  }

  #undo-panel {
    flex-direction: column;
  }

  #undo-panel button {
    width: 100%;
  }

  #action-panel {
    flex-direction: column;
  }

  #action-panel button {
    width: 100%;
  }
}