/**
 * 特許調査ツール（拡張版） - スタイルシート
 * Plugin: patent-research-tool-extended
 * Version: 3.2.0
 */

/* =========================================================
   コンテナ・基本レイアウト
   ========================================================= */

.prt-ext-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    color: #1a1a2e;
    line-height: 1.6;
    position: relative;
}

.prt-ext-section {
    background: #fff;
    border: 1px solid #dde3ec;
    border-radius: 8px;
    padding: 24px 28px;
    margin-bottom: 20px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.prt-ext-section h3 {
    margin: 0 0 16px;
    font-size: 18px;
    color: #1a1a2e;
    border-bottom: 2px solid #3b82f6;
    padding-bottom: 10px;
}

.prt-ext-section h4 {
    font-size: 15px;
    color: #374151;
    margin: 16px 0 10px;
    font-weight: 600;
}

.prt-ext-section h5 {
    font-size: 14px;
    color: #4b5563;
    margin: 12px 0 8px;
    font-weight: 600;
}

.prt-ext-section p {
    margin: 6px 0 12px;
    color: #4b5563;
    font-size: 14px;
}

.prt-ext-subsection {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #e5e7eb;
}

.prt-ext-subsection:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* =========================================================
   ボタン
   ========================================================= */

.prt-ext-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 5px;
    border: 1px solid #d1d5db;
    background-color: #f9fafb;
    color: #374151;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s, opacity 0.2s;
    line-height: 1.4;
    text-decoration: none;
}

.prt-ext-button:hover {
    background-color: #f3f4f6;
    border-color: #9ca3af;
}

.prt-ext-button:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

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

.prt-ext-button-primary {
    background-color: #3b82f6;
    color: #fff;
    border-color: #2563eb;
    padding: 11px 24px;
    font-size: 15px;
}

.prt-ext-button-primary:hover:not(:disabled) {
    background-color: #2563eb;
    border-color: #1d4ed8;
    color: #fff;
}

.prt-ext-button-secondary {
    background-color: #6b7280;
    color: #fff;
    border-color: #4b5563;
}

.prt-ext-button-secondary:hover:not(:disabled) {
    background-color: #4b5563;
    color: #fff;
}

.prt-ext-button-small {
    padding: 6px 12px;
    font-size: 13px;
}

.prt-ext-button-danger {
    background-color: #ef4444;
    color: #fff;
    border-color: #dc2626;
}

.prt-ext-button-danger:hover:not(:disabled) {
    background-color: #dc2626;
    color: #fff;
}

.prt-ext-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}

/* =========================================================
   プログレスバー
   ========================================================= */

#prt-ext-progress-container {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 20px;
}

.prt-ext-progress-bar {
    position: relative;
    height: 24px;
    background-color: #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 8px;
}

.prt-ext-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    border-radius: 12px;
    transition: width 0.4s ease;
    min-width: 0;
}

.prt-ext-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: 600;
    color: #1e3a5f;
}

.prt-ext-progress-details {
    font-size: 13px;
    color: #374151;
    text-align: center;
}

/* OCR専用プログレスバー */
.prt-ext-ocr-progress {
    display: flex;
    align-items: center;
    gap: 12px;
}

.prt-ext-ocr-progress .prt-ext-progress-bar {
    flex: 1;
    height: 16px;
    margin-bottom: 0;
}

.prt-ext-ocr-progress-text {
    font-size: 13px;
    color: #374151;
    white-space: nowrap;
}

.prt-ext-ocr-current-item {
    margin-top: 6px;
    font-size: 13px;
    color: #6b7280;
}

/* =========================================================
   エラー・情報バナー
   ========================================================= */

.prt-ext-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #7f1d1d;
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 14px;
}

.prt-ext-info-text {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background-color: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 13px;
    margin: 8px 0 12px;
}

.prt-ext-help-text {
    color: #6b7280 !important;
    font-size: 13px !important;
    margin: 6px 0 0 !important;
}

.prt-ext-icon {
    font-style: normal;
    flex-shrink: 0;
}

/* =========================================================
   処理再開エリア
   ========================================================= */

.prt-ext-resume-info {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 20px;
}

.prt-ext-resume-content h4 {
    margin: 0 0 8px;
    color: #14532d;
    font-size: 15px;
}

.prt-ext-resume-content p {
    margin: 4px 0;
    color: #166534;
    font-size: 14px;
}

.prt-ext-resume-actions {
    margin-top: 12px;
    display: flex;
    gap: 10px;
}

/* =========================================================
   処理モード選択カード
   ========================================================= */

.prt-ext-mode-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.prt-ext-mode-card {
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px 18px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
    position: relative;
}

.prt-ext-mode-card:hover {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.prt-ext-mode-card.active,
.prt-ext-mode-card[data-mode="standard"].selected {
    border-color: #3b82f6;
    background-color: #dbeafe;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.prt-ext-mode-card h4 {
    margin: 0 0 6px;
    color: #1e40af;
    font-size: 15px;
}

.prt-ext-mode-card p {
    margin: 0 0 8px;
    font-size: 13px;
    color: #374151;
}

.prt-ext-mode-card ul {
    margin: 0;
    padding-left: 18px;
    font-size: 13px;
    color: #4b5563;
}

.prt-ext-mode-card ul li {
    margin-bottom: 3px;
}

/* =========================================================
   タブ入力切り替え
   ========================================================= */

.prt-ext-input-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 0;
    border-bottom: 2px solid #e5e7eb;
}

.prt-ext-tab {
    padding: 8px 16px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-bottom: none;
    border-radius: 5px 5px 0 0;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: #4b5563;
    transition: background-color 0.2s, color 0.2s;
}

.prt-ext-tab:hover {
    background-color: #f3f4f6;
}

.prt-ext-tab.active {
    background-color: #fff;
    color: #2563eb;
    border-color: #e5e7eb;
    border-bottom-color: #fff;
    position: relative;
    top: 1px;
}

.prt-ext-tab-content {
    border: 1px solid #e5e7eb;
    border-top: none;
    border-radius: 0 0 6px 6px;
    padding: 16px;
    background: #fff;
    margin-bottom: 12px;
}

.prt-ext-tab-pane {
    display: none;
}

.prt-ext-tab-pane.active {
    display: block;
}

/* =========================================================
   テキストエリア・フォーム部品
   ========================================================= */

.prt-ext-container textarea,
.prt-ext-container input[type="text"],
.prt-ext-container input[type="number"],
.prt-ext-container select {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    color: #1f2937;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.prt-ext-container textarea:focus,
.prt-ext-container input:focus,
.prt-ext-container select:focus {
    border-color: #3b82f6;
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.prt-ext-container textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.6;
}

.prt-ext-input-counter {
    margin-top: 6px;
    font-size: 13px;
    color: #6b7280;
    text-align: right;
}

/* =========================================================
   ドロップゾーン
   ========================================================= */

.prt-ext-drop-zone {
    position: relative;
    border: 2px dashed #d1d5db;
    border-radius: 8px;
    padding: 24px 20px;
    text-align: center;
    background-color: #f9fafb;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
    margin-bottom: 12px;
}

.prt-ext-drop-zone:hover,
.prt-ext-drop-zone.drag-over {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.prt-ext-drop-zone-content {
    pointer-events: none;
}

.prt-ext-drop-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 8px;
}

.prt-ext-drop-zone p {
    margin: 4px 0;
    color: #374151;
}

.prt-ext-drop-info {
    font-size: 12px !important;
    color: #9ca3af !important;
}

/* =========================================================
   ファイルリスト
   ========================================================= */

.prt-ext-files-list {
    margin-top: 8px;
}

.prt-ext-file-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 10px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
    background: #f9fafb;
    margin-bottom: 8px;
    gap: 10px;
    font-size: 13px;
}

.prt-ext-file-item .file-name {
    font-weight: 600;
    color: #1f2937;
}

.prt-ext-file-item .file-meta {
    color: #6b7280;
    font-size: 12px;
    margin-top: 2px;
}

.prt-ext-file-remove {
    flex-shrink: 0;
    background: #ef4444;
    color: #fff;
    border: none;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
}

.prt-ext-file-remove:hover {
    background: #dc2626;
}

/* =========================================================
   API設定・オプション
   ========================================================= */

.prt-ext-api-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}

.prt-ext-api-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

.prt-ext-api-option:hover:not(.disabled) {
    background-color: #f3f4f6;
}

.prt-ext-api-option.disabled {
    opacity: 0.6;
    cursor: default;
}

.prt-ext-api-option input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.prt-ext-api-status {
    margin-left: auto;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
}

.prt-ext-api-status.available {
    background-color: #d1fae5;
    color: #065f46;
}

.prt-ext-api-status.unavailable {
    background-color: #fee2e2;
    color: #7f1d1d;
}

/* =========================================================
   OCRモード選択
   ========================================================= */

.prt-ext-ocr-modes {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.prt-ext-ocr-mode-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.prt-ext-ocr-mode-option:hover {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.prt-ext-ocr-mode-option input[type="radio"] {
    width: auto;
    margin: 3px 0 0;
    flex-shrink: 0;
}

.prt-ext-ocr-mode-option input[type="radio"]:checked ~ .prt-ext-ocr-mode-info {
    color: #1e40af;
}

.prt-ext-ocr-mode-info {
    flex: 1;
}

.prt-ext-ocr-mode-info strong {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
}

.prt-ext-ocr-mode-info p {
    margin: 0 !important;
    font-size: 13px !important;
    color: #4b5563 !important;
}

.prt-ext-mode-badge {
    display: inline-block;
    margin-top: 6px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    background-color: #e5e7eb;
    color: #4b5563;
}

.prt-ext-mode-badge.recommended {
    background-color: #d1fae5;
    color: #065f46;
}

.prt-ext-ocr-options {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    padding: 16px;
    margin-top: 8px;
}

.prt-ext-ocr-provider {
    margin-bottom: 16px;
}

.prt-ext-ocr-provider label,
.prt-ext-ocr-pdf-settings label {
    display: block;
    font-size: 14px;
    color: #374151;
    margin-bottom: 6px;
    font-weight: 500;
}

.prt-ext-ocr-provider select,
.prt-ext-ocr-pdf-settings input[type="number"] {
    width: auto;
    min-width: 200px;
}

.prt-ext-ocr-status {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 6px;
    padding: 14px 16px;
    margin-top: 12px;
}

.prt-ext-ocr-status h4 {
    margin: 0 0 10px;
    color: #14532d;
    font-size: 14px;
}

/* =========================================================
   PDF OCRオプション
   ========================================================= */

.prt-ext-pdf-ocr-options {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    padding: 14px 16px;
    margin-top: 10px;
}

.prt-ext-pdf-ocr-options h4 {
    margin: 0 0 10px;
    font-size: 14px;
}

.prt-ext-checkbox-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    cursor: pointer;
    font-size: 14px;
    color: #374151;
}

.prt-ext-checkbox-option input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* =========================================================
   AIモデル選択
   ========================================================= */

.prt-ext-ai-selector {
    margin-bottom: 20px;
}

.prt-ext-ai-models {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.prt-ext-ai-model {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.prt-ext-ai-model:hover {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.prt-ext-ai-model input[type="radio"] {
    width: auto;
    margin: 2px 0 0;
    flex-shrink: 0;
}

.prt-ext-ai-model-info {
    flex: 1;
}

.prt-ext-ai-model-info strong {
    display: block;
    font-size: 14px;
    color: #1f2937;
}

.prt-ext-token-limit {
    display: block;
    font-size: 12px;
    color: #6b7280;
    margin-top: 2px;
}

/* =========================================================
   プロンプト・分析設定
   ========================================================= */

.prt-ext-prompt-section {
    margin-top: 20px;
}

.prt-ext-prompt-templates {
    margin-bottom: 10px;
}

.prt-ext-prompt-templates select {
    width: auto;
    min-width: 220px;
}

.prt-ext-prompt-options {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 10px;
}

.prt-ext-prompt-options label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #374151;
    cursor: pointer;
}

.prt-ext-prompt-options input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.prt-ext-analysis-mode {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #e5e7eb;
}

.prt-ext-analysis-mode h4 {
    margin-bottom: 10px;
}

.prt-ext-analysis-mode label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #374151;
    margin-bottom: 8px;
    cursor: pointer;
}

.prt-ext-analysis-mode input[type="radio"] {
    width: auto;
    margin: 0;
}

/* =========================================================
   結果サマリー
   ========================================================= */

.prt-ext-results-summary {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    padding: 14px 18px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.prt-ext-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.prt-ext-stat-label {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 4px;
}

.prt-ext-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #1e40af;
    line-height: 1;
}

.prt-ext-results-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

/* =========================================================
   結果グリッド（特許カード）
   ========================================================= */

.prt-ext-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    margin-top: 12px;
}

.prt-ext-result-card {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 14px 16px;
    background: #fafafa;
    font-size: 13px;
}

.prt-ext-result-card.success {
    border-left: 4px solid #22c55e;
}

.prt-ext-result-card.error {
    border-left: 4px solid #ef4444;
}

.prt-ext-result-card.skipped {
    border-left: 4px solid #f59e0b;
}

.prt-ext-result-card h5 {
    margin: 0 0 8px;
    font-size: 14px;
    color: #1e40af;
}

.prt-ext-result-card p {
    margin: 3px 0;
    color: #374151;
}

/* =========================================================
   分析結果ヘッダー・コンテンツ
   ========================================================= */

.prt-ext-analysis-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e5e7eb;
}

.prt-ext-analysis-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #4b5563;
}

.prt-ext-analysis-info strong {
    color: #1f2937;
}

.prt-ext-analysis-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.prt-ext-analysis-content {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    padding: 20px 24px;
    line-height: 1.8;
    font-size: 14px;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 900px;
    overflow-y: auto;
}

.prt-ext-analysis-content::-webkit-scrollbar {
    width: 8px;
}

.prt-ext-analysis-content::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

.prt-ext-analysis-content::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

/* =========================================================
   ローディングオーバーレイ
   ========================================================= */

.prt-ext-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.55);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.prt-ext-loading-content {
    background: #fff;
    border-radius: 12px;
    padding: 36px 48px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    min-width: 240px;
}

.prt-ext-spinner {
    width: 52px;
    height: 52px;
    border: 5px solid #e5e7eb;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: prt-ext-spin 0.75s linear infinite;
    margin: 0 auto 16px;
}

@keyframes prt-ext-spin {
    to { transform: rotate(360deg); }
}

.prt-ext-loading-content p {
    margin: 0;
    color: #374151;
    font-size: 15px;
    font-weight: 500;
}

/* =========================================================
   入力カウンター・制限警告
   ========================================================= */

#prt-ext-limit-warning {
    font-size: 13px;
    font-weight: 600;
}

/* =========================================================
   レスポンシブ対応
   ========================================================= */

@media (max-width: 768px) {
    .prt-ext-container {
        padding: 10px;
    }

    .prt-ext-section {
        padding: 16px;
    }

    .prt-ext-mode-selector {
        grid-template-columns: 1fr;
    }

    .prt-ext-ai-models {
        grid-template-columns: 1fr;
    }

    .prt-ext-analysis-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .prt-ext-analysis-info {
        flex-direction: column;
        gap: 6px;
    }

    .prt-ext-results-summary {
        gap: 12px;
    }

    .prt-ext-results-grid {
        grid-template-columns: 1fr;
    }

    .prt-ext-input-tabs {
        flex-wrap: wrap;
    }

    .prt-ext-actions {
        flex-direction: column;
    }

    .prt-ext-actions .prt-ext-button {
        width: 100%;
        justify-content: center;
    }
}

@media print {
    .prt-ext-loading-overlay,
    .prt-ext-actions,
    .prt-ext-analysis-actions,
    .prt-ext-results-actions,
    #prt-ext-fetch-patents,
    #prt-ext-start-analysis {
        display: none !important;
    }
}