/* ==================================================
   トランプカード360度回転アニメーション
   - Y軸方向に360度回転
   - 前半180度で裏面表示、後半180度で次のキャスト表示
   - 0.6秒のease-in-outアニメーション
   - 再利用可能なクラスベース設計
   ================================================== */

/* 基本のトランプカードコンテナ */
.trump-card {
    position: relative;
    width: 100%;
    height: 400px;
    perspective: 1000px;
    transform-style: preserve-3d;
    cursor: pointer;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* ホバー時の3D効果 */
.trump-card:not(.flipping):hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.trump-card:not(.flipping):hover .trump-inner {
    transform: rotateY(5deg) rotateX(5deg);
}

/* カード内部コンテナ */
.trump-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* 360度回転アニメーション適用時 */
.trump-card.flip-360 {
    animation: trumpCard360Rotation 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    pointer-events: none;
}

.trump-card.flip-360 .trump-inner {
    animation: trumpInner360Rotation 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* カードの表面 */
.trump-front {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    transform: rotateY(0deg);
    z-index: 2;
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
}

/* カードの裏面 */
.trump-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    transform: rotateY(180deg);
    z-index: 1;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border: 3px solid #dc2626;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* カード裏面のパターン装飾 */
.trump-back::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(220, 38, 38, 0.3) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, rgba(220, 38, 38, 0.3) 2px, transparent 2px),
        radial-gradient(circle at 25% 75%, rgba(220, 38, 38, 0.2) 1px, transparent 1px),
        radial-gradient(circle at 75% 25%, rgba(220, 38, 38, 0.2) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: 0 0, 0 0, 20px 20px, 20px 20px;
    opacity: 0.6;
}

/* カード裏面の中央ロゴエリア */
.trump-back-logo {
    width: 120px;
    height: 120px;
    border: 2px solid rgba(220, 38, 38, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    position: relative;
    z-index: 2;
}

.trump-back-logo::after {
    content: '♠';
    font-size: 48px;
    color: #dc2626;
    font-weight: bold;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* メインの360度回転アニメーション */
@keyframes trumpCard360Rotation {
    0% {
        transform: rotateY(0deg) scale(1);
        opacity: 1;
    }
    25% {
        transform: rotateY(90deg) scale(0.95);
        opacity: 0.9;
    }
    50% {
        transform: rotateY(180deg) scale(0.9);
        opacity: 0.8;
    }
    75% {
        transform: rotateY(270deg) scale(0.95);
        opacity: 0.9;
    }
    100% {
        transform: rotateY(360deg) scale(1);
        opacity: 1;
    }
}

@keyframes trumpInner360Rotation {
    0% {
        transform: rotateY(0deg);
    }
    50% {
        transform: rotateY(180deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}

/* コンテンツの表示制御アニメーション */
.trump-card.flip-360 .trump-front {
    animation: trumpFrontVisibility 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.trump-card.flip-360 .trump-back {
    animation: trumpBackVisibility 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes trumpFrontVisibility {
    0%, 24% {
        opacity: 1;
        visibility: visible;
    }
    25%, 74% {
        opacity: 0;
        visibility: hidden;
    }
    75%, 100% {
        opacity: 1;
        visibility: visible;
    }
}

@keyframes trumpBackVisibility {
    0%, 24% {
        opacity: 0;
        visibility: hidden;
    }
    25%, 74% {
        opacity: 1;
        visibility: visible;
    }
    75%, 100% {
        opacity: 0;
        visibility: hidden;
    }
}

/* キャスト情報用の表面スタイル */
.trump-cast-front {
    position: relative;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* キャスト情報オーバーレイ */
.trump-cast-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.95) 0%, 
        rgba(0, 0, 0, 0.8) 50%, 
        rgba(0, 0, 0, 0.3) 100%
    );
    backdrop-filter: blur(8px);
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #ffffff;
}

.trump-cast-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
}

.trump-cast-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 12px;
    font-size: 0.85rem;
    margin-bottom: 8px;
    opacity: 0.9;
}

.trump-cast-info-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.trump-cast-info-label {
    color: #cccccc;
    font-weight: 400;
    min-width: 32px;
}

.trump-cast-info-value {
    color: #ffffff;
    font-weight: 500;
}

.trump-cast-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: auto;
}

.trump-cast-tag {
    background: linear-gradient(135deg, #ff6b6b 0%, #dc2626 50%, #b91c1c 100%);
    color: #ffffff;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 6px rgba(220, 38, 38, 0.4);
}

/* 新人バッジ */
.trump-newcomer-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(45deg, #ffd700, #ffb300);
    color: #000;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 6px rgba(255, 215, 0, 0.5);
}

/* アニメーション実行中のスタイル */
.trump-card.flipping {
    pointer-events: none;
}

.trump-card.flipping:hover {
    transform: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.trump-card.flipping:hover .trump-inner {
    transform: none;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .trump-card {
        height: 350px;
    }
    
    .trump-cast-overlay {
        padding: 12px;
        height: 35%;
    }
    
    .trump-cast-name {
        font-size: 1rem;
        margin-bottom: 6px;
    }
    
    .trump-cast-info {
        font-size: 0.75rem;
        gap: 3px 8px;
        margin-bottom: 6px;
    }
    
    .trump-cast-tag {
        font-size: 0.65rem;
        padding: 2px 6px;
    }
    
    .trump-newcomer-badge {
        top: 8px;
        right: 8px;
        padding: 3px 6px;
        font-size: 0.65rem;
    }
    
    .trump-back-logo {
        width: 80px;
        height: 80px;
    }
    
    .trump-back-logo::after {
        font-size: 32px;
    }
}

/* 小さい画面向けの調整 */
@media (max-width: 480px) {
    .trump-card {
        height: 300px;
    }
    
    .trump-cast-overlay {
        height: 40%;
        padding: 10px;
    }
    
    .trump-cast-info {
        grid-template-columns: 1fr;
        gap: 2px;
    }
    
    .trump-back-logo {
        width: 60px;
        height: 60px;
    }
    
    .trump-back-logo::after {
        font-size: 24px;
    }
}

/* ユーティリティクラス */
.trump-card-grid {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

@media (max-width: 768px) {
    .trump-card-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* アニメーション遅延用クラス */
.trump-card.delay-1 { animation-delay: 0.1s; }
.trump-card.delay-2 { animation-delay: 0.2s; }
.trump-card.delay-3 { animation-delay: 0.3s; }
.trump-card.delay-4 { animation-delay: 0.4s; }
.trump-card.delay-5 { animation-delay: 0.5s; }

/* デバッグ用クラス（開発時のみ使用） */
.trump-card.debug {
    border: 2px solid #00ff00;
}

.trump-card.debug .trump-front {
    border: 1px solid #0000ff;
}

.trump-card.debug .trump-back {
    border: 1px solid #ff0000;
}