/* --- IMPORT FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    --color-dark: #050505;
    --color-primary: #0f3cd9; /* Xanh Re:Collect */
    --color-text: #333;
    --color-muted: #666;
    --color-bg-light: #f9f9f9;
    --color-border: #e5e5e5;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: #fff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--color-dark);
}

/* --- BUTTONS --- */
.btn-shop {
    padding: 12px 28px;
    border-radius: 0;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-shop-primary {
    background: var(--color-primary);
    color: white;
    border: none;
}

    .btn-shop-primary:hover {
        background: #0b2cb0;
        color: white;
    }

.btn-shop-outline {
    background: transparent;
    border: 1px solid var(--color-dark);
    color: var(--color-dark);
}

    .btn-shop-outline:hover {
        background: var(--color-dark);
        color: white;
    }

/* --- PRODUCT CARD STYLE --- */
.product-card {
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 2rem;
    background: #fff;
    position: relative;
}

    .product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        z-index: 10;
    }

.product-img-wrap {
    position: relative;
    background: #f8f8f8;
    padding-top: 100%; /* Tạo khung vuông 1:1 */
    overflow: hidden;
    margin-bottom: 1rem;
}

    .product-img-wrap img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

/* Hiệu ứng zoom nhẹ khi hover */
.product-card:hover .product-img-wrap img {
    transform: scale(1.05);
}

/* Badge (Nhãn dán trên ảnh) */
.condition-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: white;
    padding: 5px 10px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    z-index: 2;
}

    .condition-badge.mint {
        color: #00b894;
        border-color: #00b894;
    }

    .condition-badge.good {
        color: #0984e3;
        border-color: #0984e3;
    }

/* Thông tin sản phẩm */
.product-info h5 {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-dark);
    line-height: 1.4;
}

.product-brand {
    font-size: 0.75rem;
    color: #999;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.product-price {
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-primary);
}

.verified-seller {
    font-size: 0.7rem;
    color: #27ae60;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- FILTER SIDEBAR (CHECKBOX CUSTOM) --- */
.filter-title {
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 1.2rem;
    color: var(--color-dark);
    display: block;
}

/* Custom Checkbox Container */
.custom-checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: #666;
    transition: color 0.2s;
    user-select: none;
}

    .custom-checkbox-label:hover {
        color: #000;
    }

    /* Ẩn input mặc định */
    .custom-checkbox-label input[type="checkbox"] {
        display: none;
    }

/* Ô vuông giả (Custom Checkmark) */
.checkmark {
    width: 18px;
    height: 18px;
    border: 1px solid #d1d5db; /* Viền xám */
    background-color: #fff;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0; /* Không bị co lại */
}

/* Khi Checked: Đổi nền sang đen */
.custom-checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: #000;
    border-color: #000;
}

/* Dấu tích trắng */
.checkmark::after {
    content: '';
    display: none;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

/* Hiện dấu tích khi checked */
.custom-checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    display: block;
}

/* --- RESPONSIVE --- */
@media (max-width: 991px) {
    .filter-sidebar {
        display: none; /* Ẩn sidebar trên mobile nếu chưa làm menu con */
    }
}