/* ===================================
   PDFサムネイル生成ツール 固有スタイル
   =================================== */

/* アップロードエリア */
.upload-area {
    border: 2px dashed var(--border-light);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-light);
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--schit-blue);
    background: #f0f8ff;
}

.upload-area.drag-over {
    border-color: var(--schit-blue);
    background: #e3f2fd;
    border-style: solid;
}

.upload-icon {
    font-size: 4rem;
    color: var(--schit-blue);
    margin-bottom: 1rem;
}

.upload-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-dark);
    margin: 1rem 0 0.5rem 0;
}

.upload-subtext {
    color: var(--text-medium);
    margin: 0.5rem 0;
}

.upload-info {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
    color: var(--text-medium);
    font-size: 0.9rem;
}

.upload-info i {
    color: var(--schit-orange);
    margin-right: 0.5rem;
}

/* ファイルリスト */
.file-list {
    margin-top: 1.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.file-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.file-icon {
    font-size: 2rem;
    color: var(--error-red);
}

.file-details h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
    color: var(--text-dark);
}

.file-details p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-medium);
}

.file-remove {
    background: none;
    border: none;
    color: var(--text-medium);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.file-remove:hover {
    background: var(--error-red);
    color: white;
}

/* 設定グリッド */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .settings-grid {
        grid-template-columns: 1.5fr 1fr;
    }
}

.setting-section {
    padding: 0;
}

.setting-section h3 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    color: var(--text-dark);
    border-bottom: 2px solid var(--schit-blue);
    padding-bottom: 0.5rem;
}

/* プリセットオプション */
.preset-options {
    margin-bottom: 1.5rem;
}

.preset-option {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.preset-option:hover {
    background: var(--bg-light);
}

.preset-option input[type="radio"] {
    margin-right: 0.75rem;
    cursor: pointer;
}

.preset-option span {
    font-weight: 500;
    color: var(--text-dark);
}

/* プリセットボタン */
.preset-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
}

.preset-btn {
    position: relative;
    cursor: pointer;
}

.preset-btn input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.preset-btn span {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 0.75rem;
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    transition: all 0.2s ease;
    text-align: center;
}

.preset-btn:hover span {
    border-color: var(--schit-blue);
    background: #f0f8ff;
}

.preset-btn.active span,
.preset-btn input[type="radio"]:checked + span {
    border-color: var(--schit-blue);
    background: #e3f2fd;
    box-shadow: 0 2px 8px rgba(41, 144, 208, 0.2);
}

.preset-btn i {
    font-size: 1.5rem;
    color: var(--schit-blue);
}

.preset-btn strong {
    font-size: 0.95rem;
    color: var(--text-dark);
    display: block;
}

.preset-btn small {
    font-size: 0.8rem;
    color: var(--text-medium);
}

/* カスタムサイズセクション */
.custom-size-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.custom-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1rem 0;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.9rem;
    color: var(--text-medium);
    margin-bottom: 0.5rem;
}

.input-group input[type="number"] {
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.input-group input[type="number"]:focus {
    outline: none;
    border-color: var(--schit-blue);
    box-shadow: 0 0 0 3px rgba(41, 144, 208, 0.1);
}

.input-group input[type="number"]:disabled {
    background: var(--bg-light);
    color: var(--text-medium);
    cursor: not-allowed;
}

.checkbox-label,
.radio-label {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    cursor: pointer;
}

.checkbox-label input,
.radio-label input {
    margin-right: 0.75rem;
    cursor: pointer;
}

.checkbox-label input:disabled,
.radio-label input:disabled {
    cursor: not-allowed;
}

.checkbox-label span,
.radio-label span {
    color: var(--text-dark);
    font-size: 0.95rem;
}

.fit-options {
    margin-top: 0.75rem;
    padding-left: 1.75rem;
}

.fit-options .radio-label {
    padding: 0.4rem 0;
}

.fit-options .radio-label span {
    font-size: 0.9rem;
}

/* 出力形式オプション */
.format-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.format-options .radio-label {
    padding: 0.75rem;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.format-options .radio-label:hover {
    background: var(--bg-light);
}

.format-options .radio-label i {
    margin-right: 0.5rem;
    color: var(--schit-blue);
}

/* プレビューグリッド */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.preview-item {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: all 0.2s ease;
}

.preview-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.preview-image-container {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    background: var(--bg-light);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.preview-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.preview-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-medium);
}

.preview-info {
    margin-top: 0.75rem;
}

.preview-info h4 {
    margin: 0 0 0.25rem 0;
    font-size: 0.9rem;
    color: var(--text-dark);
    word-break: break-word;
}

.preview-info p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-medium);
}

.preview-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.preview-download,
.preview-remove {
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    font-size: 0.9rem;
    border: 1px solid var(--border-light);
}

.preview-download {
    background: var(--schit-blue);
    color: white;
    border-color: var(--schit-blue);
}

.preview-download:hover {
    background: #1f7ab8;
    border-color: #1f7ab8;
}

.preview-download:disabled {
    background: var(--bg-light);
    color: var(--text-medium);
    border-color: var(--border-light);
    cursor: not-allowed;
    opacity: 0.6;
}

.preview-remove {
    background: white;
    color: var(--text-medium);
}

.preview-remove:hover {
    background: var(--error-red);
    color: white;
    border-color: var(--error-red);
}

/* 一括ダウンロードセクション */
.bulk-download-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-light);
    text-align: center;
}

.btn-large {
    font-size: 1.1rem;
    padding: 1rem 2rem;
    min-width: 300px;
}

.btn-large i {
    margin-right: 0.75rem;
}

/* 進捗表示 */
.progress-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--schit-blue), var(--schit-green));
    transition: width 0.3s ease;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-text {
    margin-top: 1rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-dark);
    text-align: center;
}

/* 使い方セクション */
.instruction-list {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.instruction-list li {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.instruction-list strong {
    color: var(--text-dark);
    font-size: 1.05rem;
}

.instruction-list p {
    margin: 0.5rem 0 0 0;
    color: var(--text-medium);
}

/* 情報カード */
.info-card {
    background: linear-gradient(135deg, #f0f8ff 0%, #e3f2fd 100%);
    border-left: 4px solid var(--schit-blue);
}

/* レスポンシブ対応 */
@media (max-width: 767px) {
    .upload-area {
        padding: 2rem 1rem;
    }

    .upload-icon {
        font-size: 3rem;
    }

    .upload-text {
        font-size: 1rem;
    }

    .preset-buttons {
        grid-template-columns: 1fr;
    }

    .custom-inputs {
        grid-template-columns: 1fr;
    }

    .preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .btn-large {
        min-width: auto;
        width: 100%;
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }

    .file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .file-info {
        width: 100%;
    }

    .file-remove {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .preview-grid {
        grid-template-columns: 1fr;
    }
}

/* 画像モーダル */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.image-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    cursor: pointer;
}

.image-modal-content {
    position: relative;
    z-index: 10001;
    max-width: 90vw;
    max-height: 90vh;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: modalZoomIn 0.3s ease;
}

@keyframes modalZoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.image-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    z-index: 10002;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: rotate(90deg);
}

.image-modal-body {
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.image-modal-body img {
    max-width: 90vw;
    max-height: 70vh;
    object-fit: contain;
    background: var(--bg-light);
}

.image-modal-info {
    padding: 1.5rem;
    background: white;
    border-top: 1px solid var(--border-light);
}

.image-modal-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: var(--text-dark);
    word-break: break-word;
}

.image-modal-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-medium);
}

/* プレビュー画像をクリック可能に */
.preview-image-container {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.preview-image-container:hover {
    transform: scale(1.02);
}

.preview-image-container:hover .preview-image {
    opacity: 0.9;
}

/* アニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.file-item,
.preview-item {
    animation: fadeIn 0.3s ease;
}

/* モバイル対応 */
@media (max-width: 767px) {
    .image-modal-content {
        max-width: 95vw;
        max-height: 95vh;
    }

    .image-modal-body img {
        max-width: 95vw;
        max-height: 75vh;
    }

    .image-modal-info {
        padding: 1rem;
    }

    .image-modal-info h3 {
        font-size: 1rem;
    }

    .image-modal-close {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}