/* リンクプレビューカードのスタイル */
.link-preview-card {
    display: flex;
    border: 1px solid #e1e5e9;
    border-radius: 12px;
    overflow: hidden;
    margin: 1.5rem 0;
    background: #ffffff;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-width: 600px;
}

.link-preview-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: inherit;
}

.link-preview-image {
    flex-shrink: 0;
    width: 160px;
    height: 120px;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid #e1e5e9;
}

.link-preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.link-preview-card:hover .link-preview-image img {
    transform: scale(1.05);
}

.link-preview-image .placeholder-icon {
    font-size: 2rem;
    color: #6c757d;
}

.link-preview-content {
    flex: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 120px;
}

.link-preview-title {
    font-size: 1rem;
    font-weight: 600;
    color: #212529;
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    max-height: 2.8em;
}

.link-preview-description {
    font-size: 0.875rem;
    color: #6c757d;
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    max-height: 2.45em;
}

.link-preview-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.link-preview-domain {
    font-size: 0.75rem;
    color: #9ca3af;
    text-transform: lowercase;
    font-weight: 500;
}

.link-preview-external {
    font-size: 0.75rem;
    color: #6366f1;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.link-preview-external i {
    font-size: 0.7rem;
}

/* ローディング状態 */
.link-preview-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: #f8f9fa;
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    margin: 1rem 0;
}

.link-preview-loading .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #e1e5e9;
    border-top: 2px solid #6366f1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.link-preview-loading-text {
    margin-left: 0.5rem;
    color: #6c757d;
    font-size: 0.875rem;
}

/* エラー状態 */
.link-preview-error {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    margin: 1rem 0;
    color: #dc2626;
    font-size: 0.875rem;
}

.link-preview-error i {
    margin-right: 0.5rem;
}

/* レスポンシブ対応 */

/* 大画面（デスクトップ）*/
@media (min-width: 1200px) {
    .link-preview-card {
        max-width: 700px;
    }

    .link-preview-image {
        width: 180px;
        height: 140px;
    }

    .link-preview-content {
        padding: 1.25rem;
        min-height: 140px;
    }

    .link-preview-title {
        font-size: 1.125rem;
    }

    .link-preview-description {
        font-size: 0.9375rem;
    }
}

/* タブレット（横向き）*/
@media (max-width: 1199px) and (min-width: 992px) {
    .link-preview-card {
        max-width: 600px;
    }
}

/* タブレット（縦向き）*/
@media (max-width: 991px) and (min-width: 769px) {
    .link-preview-card {
        max-width: 100%;
        margin: 1.5rem auto;
    }

    .link-preview-image {
        width: 140px;
        height: 105px;
    }

    .link-preview-content {
        padding: 0.875rem;
        min-height: 105px;
    }

    .link-preview-title {
        font-size: 0.9375rem;
        -webkit-line-clamp: 2;
        max-height: 2.6em;
    }

    .link-preview-description {
        font-size: 0.8125rem;
        -webkit-line-clamp: 2;
        max-height: 2.25em;
    }
}

/* スマートフォン（大）*/
@media (max-width: 768px) and (min-width: 481px) {
    .link-preview-card {
        flex-direction: column;
        max-width: 100%;
        margin: 1.25rem auto;
        border-radius: 10px;
    }

    .link-preview-image {
        width: 100%;
        height: 180px;
        border-right: none;
        border-bottom: 1px solid #e1e5e9;
    }

    .link-preview-content {
        min-height: auto;
        padding: 1rem;
    }

    .link-preview-title {
        font-size: 1rem;
        line-height: 1.3;
        -webkit-line-clamp: 2;
        max-height: 2.6em;
        margin-bottom: 0.75rem;
    }

    .link-preview-description {
        font-size: 0.875rem;
        line-height: 1.4;
        -webkit-line-clamp: 3;
        max-height: 3.6em;
        margin-bottom: 1rem;
    }

    .link-preview-footer {
        margin-top: 0.5rem;
    }

    .link-preview-domain {
        font-size: 0.8125rem;
    }

    .link-preview-external {
        font-size: 0.8125rem;
    }
}

/* スマートフォン（小）*/
@media (max-width: 480px) {
    .link-preview-card {
        flex-direction: column;
        max-width: 100%;
        margin: 1rem auto;
        border-radius: 8px;
        box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
    }

    .link-preview-image {
        width: 100%;
        height: 160px;
        border-right: none;
        border-bottom: 1px solid #e1e5e9;
    }

    .link-preview-content {
        min-height: auto;
        padding: 0.875rem;
    }

    .link-preview-title {
        font-size: 0.9375rem;
        line-height: 1.3;
        -webkit-line-clamp: 2;
        max-height: 2.43em;
        margin-bottom: 0.625rem;
    }

    .link-preview-description {
        font-size: 0.8125rem;
        line-height: 1.4;
        -webkit-line-clamp: 2;
        max-height: 2.27em;
        margin-bottom: 0.875rem;
    }

    .link-preview-footer {
        margin-top: 0.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.375rem;
    }

    .link-preview-domain {
        font-size: 0.75rem;
    }

    .link-preview-external {
        font-size: 0.75rem;
        align-self: flex-end;
    }

    /* ホバーエフェクトをタッチ対応に */
    .link-preview-card:hover {
        transform: none;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    }
}

/* 極小画面（320px以下）*/
@media (max-width: 320px) {
    .link-preview-card {
        margin: 0.75rem auto;
        border-radius: 6px;
    }

    .link-preview-image {
        height: 140px;
    }

    .link-preview-content {
        padding: 0.75rem;
    }

    .link-preview-title {
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
    }

    .link-preview-description {
        font-size: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .link-preview-footer {
        gap: 0.25rem;
    }

    .link-preview-domain,
    .link-preview-external {
        font-size: 0.6875rem;
    }
}

/* コンテナクエリ対応（CSS Container Queries）*/
@container (max-width: 500px) {
    .link-preview-card {
        flex-direction: column;
    }

    .link-preview-image {
        width: 100%;
        height: 150px;
        border-right: none;
        border-bottom: 1px solid #e1e5e9;
    }
}

/* 高さ制限のある画面での調整 */
@media (max-height: 600px) and (orientation: landscape) {
    .link-preview-card {
        margin: 0.75rem auto;
    }

    .link-preview-image {
        height: 80px;
    }

    .link-preview-content {
        min-height: 80px;
        padding: 0.75rem;
    }

    .link-preview-title {
        -webkit-line-clamp: 1;
        max-height: 1.3em;
        margin-bottom: 0.25rem;
    }

    .link-preview-description {
        -webkit-line-clamp: 1;
        max-height: 1.4em;
        margin-bottom: 0.5rem;
    }
}

/* テーマ対応: ダークモード */
@media (prefers-color-scheme: dark) {
    .link-preview-card {
        background: #1f2937;
        border-color: #374151;
        color: #e5e7eb;
    }

    .link-preview-title {
        color: #f9fafb;
    }

    .link-preview-description {
        color: #9ca3af;
    }

    .link-preview-image {
        background: #374151;
        border-color: #4b5563;
    }

    .link-preview-loading {
        background: #374151;
        border-color: #4b5563;
        color: #9ca3af;
    }

    .link-preview-error {
        background: #431212;
        border-color: #7f1d1d;
        color: #fca5a5;
    }

    .link-preview-domain {
        color: #6b7280;
    }

    .link-preview-external {
        color: #818cf8;
    }

    /* ダークモードでのホバーエフェクト */
    .link-preview-card:hover {
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
        border-color: #4b5563;
    }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    .link-preview-card {
        border-width: 2px;
        border-color: #000000;
    }

    .link-preview-title {
        font-weight: 700;
        color: #000000;
    }

    .link-preview-description {
        color: #333333;
    }

    .link-preview-external {
        color: #0000ee;
        font-weight: 600;
    }
}

/* 動きを減らす設定への対応 */
@media (prefers-reduced-motion: reduce) {
    .link-preview-card {
        transition: none;
    }

    .link-preview-card:hover {
        transform: none;
    }

    .link-preview-image img {
        transition: none;
    }

    .link-preview-card:hover .link-preview-image img {
        transform: none;
    }

    .spinner {
        animation: none;
    }

    .link-preview-card.generated {
        animation: none;
    }
}

/* 記事コンテンツ内での表示調整 */
.article-content .link-preview-card {
    margin: 2rem auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* コンテナ幅に応じた調整 */
.article-content {
    container-type: inline-size;
}

/* 狭いコンテナでの調整 */
@container (max-width: 600px) {
    .article-content .link-preview-card {
        margin: 1.5rem auto;
    }
}

@container (max-width: 400px) {
    .article-content .link-preview-card {
        margin: 1rem auto;
    }
}

/* 記事幅との調整 */
@media (max-width: 768px) {
    .article-content .link-preview-card {
        margin: 1.5rem -1rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}

@media (max-width: 480px) {
    .article-content .link-preview-card {
        margin: 1rem -0.75rem;
    }
}

/* リストやブロック要素内での調整 */
.article-content li .link-preview-card,
.article-content blockquote .link-preview-card {
    margin: 1rem 0;
    max-width: 100%;
}

/* 複数のプレビューカードが連続する場合の調整 */
.article-content .link-preview-card+.link-preview-card {
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .article-content .link-preview-card+.link-preview-card {
        margin-top: 0.75rem;
    }
}

/* 既存のリンクスタイルとの競合を防ぐ */
.article-content a.link-preview-card:hover {
    text-decoration: none;
    color: inherit;
}

/* 外部リンクアイコン */
.article-content a[target="_blank"] .external-link-icon {
    margin-left: 0.25rem;
    font-size: 0.75rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.article-content a[target="_blank"]:hover .external-link-icon {
    opacity: 1;
}

/* プレビュー生成アニメーション */
.link-preview-card.generating {
    opacity: 0.7;
    transform: scale(0.98);
    transition: all 0.2s ease;
}

.link-preview-card.generated {
    animation: slideInPreview 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInPreview {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    50% {
        opacity: 0.8;
        transform: translateY(-2px) scale(1.01);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ローディング状態のアニメーション改善 */
.link-preview-loading {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* フォーカス状態のアクセシビリティ対応 */
.link-preview-card:focus {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
    border-color: #6366f1;
}

.link-preview-card:focus:not(:focus-visible) {
    outline: none;
}

/* タッチデバイスでのアクティブ状態 */
@media (hover: none) and (pointer: coarse) {
    .link-preview-card:active {
        transform: scale(0.98);
        opacity: 0.9;
    }

    .link-preview-card:hover {
        transform: none;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
}

/* プリント時の調整 */
@media print {
    .link-preview-card {
        border: 1px solid #000;
        box-shadow: none;
        background: #fff;
        color: #000;
        break-inside: avoid;
        margin: 1rem 0;
    }

    .link-preview-card:hover {
        transform: none;
        box-shadow: none;
    }

    .link-preview-external::after {
        content: " (" attr(href) ")";
        font-size: 0.7rem;
        color: #666;
    }
}