/**
 * SophiaDesign Blog Card Generator
 * Blog Card Styles
 *
 * @package SophiaDesign_Blog_Card_Generator
 * @since 1.0.0
 */

/* =========================================
   カラー変数（管理画面で動的生成予定）
   ========================================= */
:root {
    --sdbcg-primary-color: #B76E79;
    --sdbcg-secondary-color: #D4A5AE;
    --sdbcg-bg-base: rgba(255, 248, 240, 0.6);
    --sdbcg-border-color: rgba(180, 110, 121, 0.3);
    --sdbcg-glow-color: #60A5FA;
    --sdbcg-text-color: #2C2416;
    --sdbcg-text-light: #6B5E52;
}

/* =========================================
   ブログカード基本スタイル
   ========================================= */

.sdbcg-blog-card {
    position: relative;
    margin: 2rem auto;
    max-width: 800px;
    background: var(--sdbcg-bg-base);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 2px solid var(--sdbcg-border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Ethereal Canvas有効時の透過度調整 */
.sdec-canvas-active .sdbcg-blog-card {
    background: rgba(255, 248, 240, 0.4);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
}

/* カードリンク */
.sdbcg-card-link {
    display: flex;
    text-decoration: none;
    color: inherit;
    width: 100%;
    height: 100%;
    position: relative;
}

/* =========================================
   ホバーエフェクト
   ========================================= */

.sdbcg-blog-card:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: var(--sdbcg-glow-color);
    box-shadow:
        0 12px 48px rgba(96, 165, 250, 0.3),
        0 0 24px rgba(96, 165, 250, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.sdbcg-blog-card:active {
    transform: translateY(-2px) scale(1.005);
}

/* =========================================
   画像スタイル
   ========================================= */

.sdbcg-card-image {
    flex-shrink: 0;
    width: 280px;
    height: 180px;
    overflow: hidden;
    background: rgba(180, 110, 121, 0.1);
}

.sdbcg-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.sdbcg-blog-card:hover .sdbcg-card-image img {
    transform: scale(1.05);
}

/* =========================================
   コンテンツエリア
   ========================================= */

.sdbcg-card-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sdbcg-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sdbcg-card-site-name {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--sdbcg-primary-color);
    opacity: 0.85;
}

.sdbcg-icon-internal,
.sdbcg-icon-external {
    flex-shrink: 0;
}

.sdbcg-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--sdbcg-text-color);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sdbcg-card-description {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--sdbcg-text-light);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =========================================
   矢印アイコン
   ========================================= */

.sdbcg-card-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    color: var(--sdbcg-primary-color);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.sdbcg-blog-card:hover .sdbcg-card-arrow {
    opacity: 1;
    transform: translateX(4px);
    color: var(--sdbcg-glow-color);
}

/* =========================================
   テンプレート: Compact（縦型）
   ========================================= */

.sdbcg-template-compact .sdbcg-card-link {
    flex-direction: column;
}

.sdbcg-template-compact .sdbcg-card-image-top {
    width: 100%;
    height: 200px;
}

.sdbcg-template-compact {
    max-width: 400px;
}

.sdbcg-template-compact .sdbcg-card-arrow {
    display: none;
}

.sdbcg-card-footer {
    margin-top: auto;
}

.sdbcg-card-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--sdbcg-primary-color);
    opacity: 0.85;
    transition: all 0.3s ease;
}

.sdbcg-blog-card:hover .sdbcg-card-read-more {
    opacity: 1;
    gap: 0.5rem;
    color: var(--sdbcg-glow-color);
}

/* =========================================
   テンプレート: Wide（ワイド）
   ========================================= */

.sdbcg-template-wide {
    max-width: 100%;
}

.sdbcg-template-wide .sdbcg-card-link-wide {
    position: relative;
    min-height: 320px;
}

.sdbcg-card-wide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.4s ease;
}

.sdbcg-blog-card:hover .sdbcg-card-wide-bg {
    transform: scale(1.03);
}

.sdbcg-card-content-wide {
    position: relative;
    z-index: 2;
    color: #FFFFFF;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    max-width: 800px;
}

.sdbcg-template-wide .sdbcg-card-site-name {
    color: rgba(255, 255, 255, 0.9);
}

.sdbcg-card-title-wide {
    font-size: 1.75rem;
    color: #FFFFFF;
}

.sdbcg-card-description-wide {
    color: rgba(255, 255, 255, 0.95);
}

.sdbcg-card-footer-wide .sdbcg-card-read-more {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.15);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.sdbcg-blog-card:hover .sdbcg-card-footer-wide .sdbcg-card-read-more {
    background: rgba(96, 165, 250, 0.3);
    color: #FFFFFF;
}

.sdbcg-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.3),
        rgba(0, 0, 0, 0.6)
    );
    z-index: 1;
    transition: opacity 0.4s ease;
}

.sdbcg-blog-card:hover .sdbcg-card-overlay {
    opacity: 0.8;
}

/* =========================================
   ランダム自動発光アニメーション
   ========================================= */

@keyframes sdbcg-subtle-glow {
    0%, 100% {
        box-shadow:
            0 8px 32px rgba(0, 0, 0, 0.08),
            inset 0 1px 0 rgba(255, 255, 255, 0.5);
        border-color: var(--sdbcg-border-color);
    }
    50% {
        box-shadow:
            0 8px 32px rgba(96, 165, 250, 0.15),
            0 0 20px rgba(96, 165, 250, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.6);
        border-color: rgba(96, 165, 250, 0.4);
    }
}

.sdbcg-blog-card.sdbcg-auto-glow {
    animation: sdbcg-subtle-glow 4s ease-in-out infinite;
    animation-delay: var(--sdbcg-glow-delay, 0s);
}

/* ホバー時は自動発光を一時停止 */
.sdbcg-blog-card.sdbcg-auto-glow:hover {
    animation: none;
}

/* =========================================
   エラー表示
   ========================================= */

.sdbcg-error {
    padding: 1rem 1.5rem;
    background: rgba(220, 38, 38, 0.1);
    border: 2px solid rgba(220, 38, 38, 0.3);
    border-radius: 8px;
    color: #991B1B;
    font-size: 0.9rem;
    max-width: 800px;
    margin: 2rem auto;
}

/* =========================================
   レスポンシブデザイン
   ========================================= */

@media (max-width: 768px) {
    .sdbcg-blog-card {
        margin: 1.5rem 0;
    }

    .sdbcg-template-default .sdbcg-card-link {
        flex-direction: column;
    }

    .sdbcg-template-default .sdbcg-card-image {
        width: 100%;
        height: 200px;
    }

    .sdbcg-template-default .sdbcg-card-arrow {
        display: none;
    }

    .sdbcg-card-title {
        font-size: 1.1rem;
    }

    .sdbcg-card-title-wide {
        font-size: 1.4rem;
    }

    .sdbcg-template-compact {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .sdbcg-card-content {
        padding: 1.25rem;
    }

    .sdbcg-card-title {
        font-size: 1rem;
    }

    .sdbcg-card-description {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
    }
}

/* =========================================
   アクセシビリティ
   ========================================= */

/* アニメーション削減設定 */
@media (prefers-reduced-motion: reduce) {
    .sdbcg-blog-card,
    .sdbcg-card-image img,
    .sdbcg-card-arrow,
    .sdbcg-card-read-more,
    .sdbcg-card-wide-bg {
        transition: none;
    }

    .sdbcg-blog-card.sdbcg-auto-glow {
        animation: none;
    }

    .sdbcg-blog-card:hover {
        transform: none;
    }
}

/* フォーカス表示 */
.sdbcg-card-link:focus {
    outline: 3px solid var(--sdbcg-glow-color);
    outline-offset: 4px;
}

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

/* =========================================
   印刷スタイル
   ========================================= */

@media print {
    .sdbcg-blog-card {
        background: #FFFFFF;
        border: 1px solid #CCCCCC;
        box-shadow: none;
        page-break-inside: avoid;
    }

    .sdbcg-card-link {
        color: #000000;
    }
}