/* My Flipbook — スタイル */

.my-flipbook-wrapper {
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    font-family: sans-serif;
}

/* StPageFlip が生成するキャンバスのコンテナ */
.my-flipbook-container {
    position: relative;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

/* コントロールバー */
.my-flipbook-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.5rem 1rem;
    background: #f5f5f5;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
    justify-content: space-between;
}

.my-flipbook-btn {
    padding: 0.4rem 1rem;
    background: #0073aa;      /* WordPress blue */
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.my-flipbook-btn:hover {
    background: #005a87;
}

.my-flipbook-page-info {
    font-size: 0.9rem;
    color: #444;
}

/* タイトル */
.my-flipbook-title {
    font-size: 1.1rem;
    font-weight: bold;
    margin: 0 0 .5rem;
    text-align: center;
}

/* ローディング */
.my-flipbook-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    min-height: 200px;
    color: #666;
    font-size: .95rem;
}
.my-flipbook-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #ddd;
    border-top-color: #0073aa;
    border-radius: 50%;
    animation: my-flipbook-spin .7s linear infinite;
}
@keyframes my-flipbook-spin {
    to { transform: rotate(360deg); }
}

/* エラーメッセージ */
.my-flipbook-error {
    color: #c00;
    padding: 1rem;
    border: 1px solid #c00;
    border-radius: 4px;
    background: #fff0f0;
}

/* ===== Gutenberg ブロックエディタ プレビュー ===== */
.my-flipbook-editor-preview {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.2rem 1.5rem;
    background: #f0f6fc;
    border: 2px dashed #0073aa;
    border-radius: 4px;
    font-family: sans-serif;
}
.my-flipbook-editor-preview__icon {
    position: relative;
    flex-shrink: 0;
}
.my-flipbook-editor-preview__icon .dashicons {
    font-size: 3rem;
    width: 3rem;
    height: 3rem;
    color: #0073aa;
}
.my-flipbook-editor-preview__book {
    position: absolute;
    bottom: -4px;
    right: -8px;
    font-size: 1.4rem !important;
    width: 1.4rem !important;
    height: 1.4rem !important;
    color: #005a87 !important;
}
.my-flipbook-editor-preview__info strong {
    display: block;
    font-size: 1rem;
    margin-bottom: .3rem;
}
.my-flipbook-editor-preview__info p {
    margin: 0 0 .4rem;
    font-size: .85rem;
    color: #555;
}
.my-flipbook-editor-preview__note {
    color: #888;
}
.my-flipbook-editor-preview__url {
    font-size: .75rem;
    color: #666;
    word-break: break-all;
}

/* Placeholder スタイル調整 */
.my-flipbook-placeholder .components-placeholder__fieldset {
    width: 100%;
}

/* レスポンシブ */
@media (max-width: 640px) {
    .my-flipbook-wrapper {
        width: 100% !important;
        max-width: 100% !important;
    }
}