/*
 * PDF編集Webアプリケーション - スタイルシート
 * (c) 2025 IshiyamaYoshihiro
 * License: MIT License
 */

:root {
    --thumbnail-width: 200px; /* デフォルトのサムネイル高さ */
}

body {
    font-family: sans-serif;
    margin: 2em;
    background-color: #f4f4f9;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: auto;
}

h1 {
    text-align: center;
    color: #444;
}

/* 更新通知バナー */
.update-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.update-banner span {
    flex: 1;
    font-weight: 500;
}

.update-btn {
    background-color: white;
    color: #667eea;
    border: none;
    padding: 8px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.update-btn:hover {
    background-color: #f0f0f0;
    transform: scale(1.05);
}

.update-btn:disabled {
    background-color: #ccc;
    color: #666;
    cursor: not-allowed;
    transform: none;
}

.dismiss-btn {
    background: transparent;
    color: white;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    padding: 5px 10px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.dismiss-btn:hover {
    opacity: 1;
}

/* グループタブナビゲーション（上段） */
.group-tab-navigation {
    display: flex;
    gap: 10px;
    margin-bottom: 0;
    border-bottom: 2px solid #ddd;
    background-color: #f8f9fa;
    padding: 10px 10px 0 10px;
    border-radius: 8px 8px 0 0;
}

.group-tab-button {
    background-color: transparent;
    color: #666;
    border: none;
    padding: 12px 30px;
    font-size: 1.2em;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
    border-radius: 5px 5px 0 0;
}

.group-tab-button:hover {
    background-color: #e9ecef;
    color: #333;
}

.group-tab-button.active {
    color: #007bff;
    background-color: #fff;
    border-bottom-color: #007bff;
}

/* サブタブナビゲーション（下段） */
.sub-tab-navigation {
    background-color: #fff;
    border-bottom: 2px solid #ddd;
    margin-bottom: 20px;
    min-height: 50px;
}

.sub-tab-group {
    display: none;
    gap: 5px;
    padding: 5px 10px;
}

.sub-tab-group.active {
    display: flex;
}

.tab-button {
    background-color: transparent;
    color: #666;
    border: none;
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
    border-radius: 3px;
}

.tab-button:hover {
    background-color: #f0f0f0;
    color: #333;
}

.tab-button.active {
    color: #007bff;
    border-bottom-color: #007bff;
    font-weight: bold;
}

/* 履歴ボタン */
.history-button {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 8px 16px;
    font-size: 0.95em;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.2s;
}

.history-button:hover:not(:disabled) {
    background-color: #5a6268;
}

.history-button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

/* タブコンテンツ */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* セクション */
.upload-section, .controls, .status, .download-section {
    background: #fff;
    padding: 1.5em;
    margin-bottom: 1em;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* スティッキーコントロール */
.controls.sticky {
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 1em;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* コントロールエリアの見出しと説明文 */
.controls h2 {
    margin-top: 0;
}

.controls .description {
    margin-bottom: 15px;
    color: #666;
}

/* 画面が小さい時は説明文を非表示 */
@media (max-height: 700px) {
    .controls.sticky .description {
        display: none;
    }
    .controls.sticky h2 {
        font-size: 1.2em;
        margin-bottom: 10px;
    }
}

/* ギャラリー */
#gallery-upload, #gallery-split, #gallery-delete, #gallery-edit, #gallery-reorder, #gallery-mask, #gallery-symbol, #gallery-save {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    padding: 10px;
    background: #e8e8f0;
    border-radius: 8px;
    min-height: 100px;
}

.page-container {
    position: relative;
    border: 2px solid #ccc;
    border-radius: 5px;
    padding: 5px;
    text-align: center;
    background: #fff;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-container.selected {
    border-color: #007bff;
    box-shadow: 0 0 10px rgba(0,123,255,0.5);
}

.page-container.single-selected {
    border-color: #28a745;
    box-shadow: 0 0 15px rgba(40,167,69,0.6);
    transform: scale(1.05);
}

.page-container.selected-delete {
    border-color: #dc3545;
    box-shadow: 0 0 10px rgba(220,53,69,0.5);
}

.page-container.selected-edit {
    border-color: #ffc107;
    box-shadow: 0 0 10px rgba(255,193,7,0.6);
}

.page-container.selected-split {
    border-color: #8a2be2; /* BlueViolet */
    box-shadow: 0 0 10px rgba(138,43,226,0.6);
}

.page-container.selected-reorder {
    border-color: #28a745; /* Success Green */
    box-shadow: 0 0 10px rgba(40, 167, 69, 0.6);
}

.page-container.selected-mask {
    border-color: #17a2b8; /* Info Cyan */
    box-shadow: 0 0 15px rgba(23, 162, 184, 0.8);
    transform: scale(1.05);
}

.page-container.ordered {
    background-color: #e6f7ff; /* Light blue background for ordered items */
}

.page-container img {
    height: var(--thumbnail-width, 200px);
    width: auto;
    display: block;
    object-fit: contain;
}

.page-number {
    font-size: 0.9em;
    margin-top: 5px;
    color: #555;
}

.order-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.7);
    color: #007bff;
    font-size: 3em;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.page-container.selected .order-overlay,
.page-container.ordered .order-overlay {
    opacity: 1;
}

.delete-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(220,53,69,0.85);
    color: white;
    font-size: 3em;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.page-container.selected-delete .delete-overlay {
    opacity: 1;
}

.page-container:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* ボタン */
button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #0056b3;
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* ボタングループ */
.button-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

/* 移動コントロール */
.move-controls {
    margin-bottom: 15px;
    padding: 15px;
    background-color: #f0f0f0;
    border-radius: 5px;
}

.move-controls h3 {
    margin: 0 0 10px 0;
    font-size: 1em;
    color: #555;
}

.move-controls button {
    margin-right: 10px;
}

/* スライダー */
.slider-container {
    margin-top: 15px;
}

/* ステータス */
#status-split, #status-reorder {
    font-weight: bold;
    color: #d9534f;
}

/* ダウンロードリンク */
#download-link-split, #download-link-reorder {
    display: none;
    margin-top: 1em;
    font-weight: bold;
}

/* アップロードエリアのレイアウト */
.upload-area-container {
    display: flex;
    gap: 20px;
    margin-top: 1em;
}

.upload-controls {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.drop-zone-container {
    flex: 1;
    border: 3px dashed #ccc;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #f9f9f9;
    color: #888;
    text-align: center;
    transition: background-color 0.3s, border-color 0.3s;
    cursor: pointer;
}

.drop-zone-container:hover {
    background-color: #f0f8ff;
    border-color: #007bff;
}

.drop-zone-icon {
    font-size: 3em;
    margin-bottom: 10px;
}

.drop-zone-text {
    font-size: 1.1em;
    font-weight: 500;
}

.drop-zone-container.dragover {
    background-color: #e6f7ff;
    border-color: #0056b3;
    border-style: solid;
}


/* ファイル入力セクション */
.file-inputs-container {
    margin: 0 0 20px 0; /* 上マージンを削除 */
}

.file-input-row {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    gap: 10px;
}

.file-input-label {
    min-width: 180px;
    font-weight: 500;
    color: #555;
}

.pdf-file-input {
    flex-shrink: 0;
}

.filename-display {
    flex: 1;
    color: #007bff;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 5px 10px;
    background-color: #f0f8ff;
    border-radius: 4px;
    border: 1px solid #d0e8ff;
    min-height: 28px;
    display: inline-block;
    cursor: default;
}

.filename-display:empty {
    background-color: transparent;
    border-color: transparent;
}

/* モーダル */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    max-width: 500px;
    width: 90%;
    text-align: center;
}

.modal-content h2 {
    margin-top: 0;
    color: #333;
    font-size: 1.5em;
}

.modal-content p {
    color: #666;
    margin-bottom: 20px;
}

.modal-input-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    gap: 5px;
}

#filename-input {
    flex: 1;
    padding: 12px 15px;
    font-size: 1.1em;
    border: 2px solid #ddd;
    border-radius: 5px;
    outline: none;
    transition: border-color 0.2s;
}

#filename-input:focus {
    border-color: #007bff;
}

.pdf-extension {
    font-size: 1.1em;
    color: #666;
    font-weight: 500;
}

.modal-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.modal-primary-button {
    background-color: #007bff;
    color: white;
    padding: 12px 30px;
    font-size: 1.1em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.modal-primary-button:hover {
    background-color: #0056b3;
}

.modal-secondary-button {
    background-color: #6c757d;
    color: white;
    padding: 12px 30px;
    font-size: 1.1em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.modal-secondary-button:hover {
    background-color: #5a6268;
}

/* マスキング用スタイル */
.mask-layout {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    align-items: flex-start;
}

.mask-canvas-wrapper {
    flex: 0 0 auto;
    max-width: 50%;
}

#mask-canvas-container {
    position: relative;
    display: inline-block;
}

#mask-canvas {
    border: 2px solid #ccc;
    cursor: crosshair;
    max-width: 100%;
    max-height: 70vh;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.mask-gallery-wrapper {
    flex: 1;
    min-width: 0;
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-height: 70vh;
    overflow-y: auto;
}

.mask-gallery-wrapper h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #444;
    font-size: 1.2em;
    border-bottom: 2px solid #ddd;
    padding-bottom: 10px;
}

#gallery-mask {
    display: flex !important;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px;
    background: #e8e8f0;
    border-radius: 8px;
}

/* マスキングギャラリー内のサムネイルを小さく */
#gallery-mask .page-container {
    flex: 0 0 auto;
}

#gallery-mask .page-container img {
    height: 120px !important;
    width: auto;
}

.mask-selection-box {
    position: absolute;
    border: 2px dashed #ff0000;
    background-color: rgba(255, 0, 0, 0.1);
    pointer-events: none;
}

/* リサイズハンドル */
.mask-resize-handle {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: #ff0000;
    border: 2px solid #fff;
    border-radius: 2px;
    pointer-events: auto;
    z-index: 10;
}

/* 四隅のハンドル */
.mask-resize-nw {
    top: -6px;
    left: -6px;
    cursor: nw-resize;
}

.mask-resize-ne {
    top: -6px;
    right: -6px;
    cursor: ne-resize;
}

.mask-resize-sw {
    bottom: -6px;
    left: -6px;
    cursor: sw-resize;
}

.mask-resize-se {
    bottom: -6px;
    right: -6px;
    cursor: se-resize;
}

/* 四辺の中点のハンドル */
.mask-resize-n {
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    cursor: n-resize;
}

.mask-resize-s {
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    cursor: s-resize;
}

.mask-resize-w {
    top: 50%;
    left: -6px;
    transform: translateY(-50%);
    cursor: w-resize;
}

.mask-resize-e {
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    cursor: e-resize;
}

.mask-resize-handle:hover {
    background-color: #cc0000;
    transform-origin: center;
}

/* ファイル分割用のスタイル */
.file-split-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.split-line {
    width: 4px;
    height: var(--thumbnail-width);
    background-color: #ddd;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 2px;
    position: relative;
    /* 左右にクリック可能な領域を広げる */
    padding: 0 15px;
    margin: 0 -15px;
}

.split-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* 透明なクリック領域を確保 */
}

.split-line:hover {
    background-color: #007bff;
    width: 6px;
    box-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
}

.split-line.active {
    background-color: #dc3545;
    width: 8px;
    box-shadow: 0 0 15px rgba(220, 53, 69, 0.7);
}

.split-line.active::after {
    content: '✂';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    color: #dc3545;
    background-color: white;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    pointer-events: none;
}

/* ファイル分割モーダル用のスタイル */
.modal-content-wide {
    max-width: 600px;
    width: 90%;
}

.split-part-row {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    margin-bottom: 10px;
    background-color: #f9f9f9;
    border-radius: 5px;
    border: 1px solid #e0e0e0;
}

.split-part-label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    min-width: 100px;
}

.split-part-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.split-part-range {
    min-width: 120px;
    font-weight: bold;
    color: #555;
}

.split-part-filename {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.split-part-filename:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

/* シンボルマーク追加用スタイル */
.symbol-settings-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.symbol-corner-setting {
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
}

.symbol-corner-setting h4 {
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #007bff;
    color: #333;
    font-size: 1em;
}

.symbol-control-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.symbol-control-row:last-child {
    margin-bottom: 0;
}

.symbol-control-row label {
    min-width: 60px;
    font-weight: 500;
    color: #555;
    font-size: 0.9em;
}

.symbol-select {
    flex: 1;
    padding: 8px 12px;
    font-size: 1em;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
}

.symbol-select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

.symbol-slider {
    flex: 1;
    cursor: pointer;
}

.symbol-value {
    min-width: 25px;
    text-align: right;
    font-weight: bold;
    color: #007bff;
}

.symbol-size-setting {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background-color: #e8f4fd;
    border-radius: 8px;
    margin-bottom: 15px;
}

.symbol-size-setting label {
    font-weight: 500;
    color: #333;
}

.symbol-size-setting input[type="range"] {
    flex: 1;
    max-width: 200px;
}

#symbol-size-value {
    min-width: 25px;
    text-align: right;
    font-weight: bold;
    color: #007bff;
}

#gallery-symbol {
    display: flex !important;
    flex-wrap: wrap;
    gap: 15px;
    padding: 10px;
    background: #e8e8f0;
    border-radius: 8px;
    min-height: 100px;
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .mask-layout {
        flex-direction: column;
    }

    .mask-canvas-wrapper {
        max-width: 100%;
    }

    .mask-gallery-wrapper {
        max-height: 400px;
    }

    .split-part-row {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .split-part-range {
        min-width: auto;
    }

    .symbol-settings-container {
        grid-template-columns: 1fr;
    }
}