/* CF7 Drag and Drop Upload Styles */

.cf7-drag-drop-upload-wrapper {
    position: relative;
    width: 100%;
    margin: 10px 0;
}

/* ドラッグ&ドロップエリア */
.cf7-drag-drop-area {
    display: block;
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.cf7-drag-drop-area:hover {
    border-color: #999;
    background-color: #f0f0f0;
}

.cf7-drag-drop-area.drag-over {
    border-color: #4CAF50;
    background-color: #e8f5e9;
}

/* アイコン */
.cf7-drag-drop-icon {
    color: #999;
    margin-bottom: 15px;
}

.cf7-drag-drop-icon svg {
    width: 50px;
    height: 50px;
}

/* テキスト */
.cf7-drag-drop-text {
    color: #666;
    font-size: 16px;
    font-weight: 500;
}

/* プレビューエリア */
.cf7-drag-drop-preview {
    margin-top: 20px;
}

.cf7-drag-drop-preview-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    margin-bottom: 10px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    background-color: #fff;
    position: relative;
    transition: all 0.3s ease;
}

.cf7-drag-drop-preview-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.cf7-drag-drop-preview-item.uploading {
    opacity: 0.6;
}

.cf7-drag-drop-preview-item.uploaded {
    opacity: 1;
}

/* アイコン */
.preview-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    margin-right: 15px;
}

.preview-icon svg {
    width: 24px;
    height: 24px;
}

/* ファイル情報 */
.preview-info {
    flex-grow: 1;
    min-width: 0;
}

.preview-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.preview-size {
    font-size: 12px;
    color: #999;
}

/* 削除ボタン */
.preview-delete {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border: none;
    background-color: transparent;
    color: #999;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-delete:hover {
    background-color: #ffebee;
    color: #f44336;
}

/* プログレスバー */
.preview-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background-color: #4CAF50;
    border-radius: 0 0 6px 6px;
    transition: width 0.3s ease;
}

.preview-progress::before {
    content: attr(data-percent);
    position: absolute;
    right: 5px;
    bottom: 5px;
    font-size: 10px;
    color: #4CAF50;
    font-weight: bold;
}

.cf7-drag-drop-preview-item.uploaded .preview-progress {
    width: 100%;
}

.cf7-drag-drop-preview-item.uploaded .preview-progress::before {
    content: '完了';
}

/* アップロード中のアニメーション（進捗が不明な場合のフォールバック） */
.cf7-drag-drop-preview-item.uploading .preview-progress.indeterminate {
    width: 100%;
    background: linear-gradient(90deg, transparent, #4CAF50, transparent);
    background-size: 200% 100%;
    animation: progress 1.5s ease-in-out infinite;
}

@keyframes progress {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* エラーメッセージ */
.cf7-drag-drop-error {
    margin-top: 10px;
    padding: 12px 15px;
    background-color: #ffebee;
    color: #c62828;
    border-radius: 6px;
    font-size: 14px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Contact Form 7のバリデーションエラー */
.wpcf7-not-valid-tip {
    margin-top: 10px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .cf7-drag-drop-area {
        padding: 30px 15px;
    }

    .cf7-drag-drop-text {
        font-size: 14px;
    }

    .cf7-drag-drop-icon svg {
        width: 40px;
        height: 40px;
    }

    .preview-name {
        font-size: 13px;
    }

    .preview-size {
        font-size: 11px;
    }
}

/* 暗いテーマ対応 */
@media (prefers-color-scheme: dark) {
    .cf7-drag-drop-area {
        background-color: #2a2a2a;
        border-color: #555;
    }

    .cf7-drag-drop-area:hover {
        border-color: #777;
        background-color: #333;
    }

    .cf7-drag-drop-area.drag-over {
        border-color: #66BB6A;
        background-color: #1b5e20;
    }

    .cf7-drag-drop-text {
        color: #ccc;
    }

    .cf7-drag-drop-icon {
        color: #aaa;
    }

    .cf7-drag-drop-preview-item {
        background-color: #2a2a2a;
        border-color: #555;
    }

    .preview-name {
        color: #eee;
    }

    .preview-icon {
        color: #aaa;
    }
}