/* =========================================================
   Templates Page Styles (Blue Leaf Studio)
   ========================================================= */

.template-main {
    padding-top: 100px; /* 固定ヘッダー分の余白 */
    min-height: 100vh;
}

.template-list-sec {
    padding: 60px 0 100px;
}

/* =========================================================
   Filter UI (Tags)
   ========================================================= */
.filter-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 10px 24px;
    border: 1px solid var(--color-sub);
    background-color: var(--color-white);
    color: var(--color-text-muted);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    border-color: var(--color-main);
    color: var(--color-main);
}

.filter-btn.active {
    background-color: var(--color-main);
    border-color: var(--color-main);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(50, 155, 167, 0.3);
}

/* =========================================================
   Template Grid
   ========================================================= */
.template-grid-filtered {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    transition: var(--transition-smooth);
}

.template-item {
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    display: block;
    position: relative;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    opacity: 1;
    transform: scale(1);
}

/* フィルター時のアニメーション用クラス */
.template-item.hide {
    display: none;
}

.template-item.fade-out {
    opacity: 0;
    transform: scale(0.95);
}

.template-item.fade-in {
    animation: filterFadeIn 0.4s ease forwards;
}

@keyframes filterFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.95);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.item-img-wrapper {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
    background-color: #f8f9fa;
    border-radius: 12px 12px 0 0;
}

.item-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.template-item:hover .item-img-wrapper img {
    transform: scale(1.05);
}

.img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e8eaea;
    color: #a0a3a2;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: 0.1em;
}

.item-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--color-main);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.item-body {
    padding: 25px;
    background: var(--color-white);
    transition: var(--transition-smooth);
}

.item-body h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--color-text-main);
    transition: var(--transition-smooth);
}

.item-body p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
}

/* Hover Action */
.template-item:hover .item-body {
    background: var(--color-main);
}

.template-item:hover .item-body h3,
.template-item:hover .item-body p {
    color: var(--color-white);
}

/* =========================================================
   Responsive Design
   ========================================================= */
@media (max-width: 991px) {
    .template-grid-filtered {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .template-grid-filtered {
        grid-template-columns: 1fr;
    }
    
    .filter-container {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}