/**
 * モーダル共通CSS
 * 使用ページ: index.php, creator.php
 */

/* ========================================
   LINEスタンプビューアー
   ======================================== */

#line-stamp-viewer {
    touch-action: pan-y;
}

#line-stamp-image {
    animation: stampAppear 0.3s ease-out;
}

@keyframes stampAppear {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

/* 背景バリエーション - ダーク */
.line-stamp-bg-dark {
    background: rgba(0,0,0,0.85);
}
.line-stamp-bg-dark .line-stamp-close-icon,
.line-stamp-bg-dark .line-stamp-nav-icon {
    color: white;
}
.line-stamp-bg-dark .line-stamp-counter-style {
    background: rgba(255,255,255,0.15);
    color: white;
}
.line-stamp-bg-dark #line-stamp-image {
    filter: drop-shadow(0 4px 20px rgba(0,0,0,0.5));
}

/* 背景バリエーション - ライト */
.line-stamp-bg-light {
    background: rgba(245,245,245,0.98);
}
.line-stamp-bg-light .line-stamp-close-icon,
.line-stamp-bg-light .line-stamp-nav-icon {
    color: #333;
}
.line-stamp-bg-light .line-stamp-counter-style {
    background: rgba(0,0,0,0.1);
    color: #333;
}
.line-stamp-bg-light button {
    background: rgba(0,0,0,0.1);
}
.line-stamp-bg-light button:hover {
    background: rgba(0,0,0,0.2);
}
.line-stamp-bg-light #line-stamp-image {
    filter: drop-shadow(0 4px 15px rgba(0,0,0,0.15));
}

/* 背景バリエーション - チェック */
.line-stamp-bg-check {
    background: repeating-conic-gradient(#e0e0e0 0% 25%, #fff 0% 50%) 50% / 20px 20px;
}
.line-stamp-bg-check .line-stamp-close-icon,
.line-stamp-bg-check .line-stamp-nav-icon {
    color: #333;
}
.line-stamp-bg-check .line-stamp-counter-style {
    background: rgba(0,0,0,0.6);
    color: white;
}
.line-stamp-bg-check button {
    background: rgba(255,255,255,0.8);
}
.line-stamp-bg-check button:hover {
    background: rgba(255,255,255,0.95);
}
.line-stamp-bg-check #line-stamp-image {
    filter: drop-shadow(0 4px 15px rgba(0,0,0,0.2));
}

/* 背景バリエーション - LINEグリーン */
.line-stamp-bg-green {
    background: #06C755;
}
.line-stamp-bg-green .line-stamp-close-icon,
.line-stamp-bg-green .line-stamp-nav-icon {
    color: white;
}
.line-stamp-bg-green .line-stamp-counter-style {
    background: rgba(0,0,0,0.2);
    color: white;
}
.line-stamp-bg-green button {
    background: rgba(255,255,255,0.2);
}
.line-stamp-bg-green button:hover {
    background: rgba(255,255,255,0.3);
}
.line-stamp-bg-green #line-stamp-image {
    filter: drop-shadow(0 4px 20px rgba(0,0,0,0.3));
}

/* LINEスタンプサムネイル - 軽量表示 */
.line-stamp-thumb {
    background: #f9f9f9;
}
.line-stamp-item {
    aspect-ratio: 1;
    padding: 4px;
    border-radius: 8px;
    background: #fff;
}
.line-stamp-item:active {
    background: #f0f0f0;
}
@media (min-width: 640px) {
    .line-stamp-item:hover {
        background: #f5f5f5;
    }
}

/* ========================================
   ステッカーモーダル
   ======================================== */

.sticker-modal-container {
    padding: env(safe-area-inset-top, 8px) env(safe-area-inset-right, 8px) env(safe-area-inset-bottom, 8px) env(safe-area-inset-left, 8px);
}
.sticker-modal-content {
    max-height: calc(100vh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 16px);
    max-height: calc(100dvh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 16px);
}
@media (min-width: 640px) {
    .sticker-modal-container {
        padding: 16px;
    }
    .sticker-modal-content {
        max-height: 90vh;
        max-height: 90dvh;
    }
}

/* ステッカー詳細モーダル */
.sticker-detail-container {
    padding: env(safe-area-inset-top, 8px) env(safe-area-inset-right, 8px) env(safe-area-inset-bottom, 8px) env(safe-area-inset-left, 8px);
}
.sticker-detail-content {
    max-height: calc(100vh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 16px);
    max-height: calc(100dvh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 16px);
}
@media (min-width: 640px) {
    .sticker-detail-container {
        padding: 16px;
    }
    .sticker-detail-content {
        max-height: 90vh;
        max-height: 90dvh;
    }
}

/* ========================================
   ステッカーカード3D裏返し
   ======================================== */

.sticker-card {
    perspective: 1000px;
    transform-style: preserve-3d;
    transition: transform 0.6s;
}
.sticker-card-front,
.sticker-card-back {
    backface-visibility: hidden;
}
.sticker-card-back {
    transform: rotateY(180deg);
}
.sticker-card.flipped {
    transform: rotateY(180deg);
}