/* ===================== THEME VARS ===================== */
:root {
    --bg-page: #fafafa;
    --text: #0f172a;
    --muted: #6b7280;
    --card-bg: #fff;
    --card-border: #e7e9ee;
    --card-border-hover: #dfe2e8;
    --shadow: 0 14px 34px rgba(0,0,0,.08);
    --price-red: #e53935; /* giá */
    --blue: #3b82f6; /* nút */
    --blue-dark: #2563eb;
    --hot-text: #b91c1c; /* badge HOT */
    --hot-bg1: #ffedea;
    --hot-bg2: #ffd7d0;
    --badge-s-bg: #eaf7ef; /* success */
    --badge-s-tx: #1f7a3e;
    --badge-s-bd: #cbead6;
    --badge-w-bg: #fff7e6; /* warning */
    --badge-w-tx: #a86a00;
    --badge-w-bd: #ffe3b3;
    --badge-n-bg: #f1f3f5; /* neutral */
    --badge-n-tx: #495057;
    --badge-n-bd: #e2e6ea;
}

/* ===================== PAGE BG ===================== */
.page-wrap {
    background: radial-gradient(1200px 400px at 100% -100%, #fff 55%, rgba(255,160,122,.12) 60%, transparent 65%), radial-gradient(1200px 400px at 0% 100%, #fff 55%, rgba(135,206,250,.10) 60%, transparent 65%), var(--bg-page);
    color: var(--text);
}

/* ===================== HERO / BANNER ===================== */
.hero {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.35)), url('https://images.unsplash.com/photo-1501045661006-fcebe0257c3f?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    filter: saturate(1.05) contrast(1.05);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 72px 0 56px;
    color: #fff;
}

.hero-title {
    margin: 0 0 .25rem;
    font-size: clamp(28px,5vw,44px);
    font-weight: 900;
    letter-spacing: .3px;
}

.hero-sub {
    margin: 0;
    opacity: .9;
    font-weight: 500;
}

/* ===================== SECTION HEAD ===================== */
.section-head .head-title {
    font-weight: 800;
    letter-spacing: .2px;
}

.text-muted {
    color: var(--muted) !important;
}

/* ===================== PRODUCT CARD ===================== */
.prd-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

    .prd-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow);
        border-color: var(--card-border-hover);
    }

/* image area */
.prd-media {
    position: relative;
    aspect-ratio: 4/3;
    background: #f6f7f9;
}

    .prd-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

/* ribbon for bestseller */
.ribbon {
    position: absolute;
    top: 12px;
    right: -36px;
    z-index: 2;
    padding: .35rem 2.4rem;
    transform: rotate(38deg);
    color: #fff;
    font-size: .72rem;
    font-weight: 900;
    letter-spacing: .6px;
    text-transform: uppercase;
    box-shadow: 0 8px 16px rgba(255,90,60,.25);
}

    .ribbon.hot {
        background: linear-gradient(135deg,#ff4d4d,#ff7a59);
    }

        .ribbon.hot::before {
            content: "🔥 ";
        }

/* body */
.prd-body {
    padding: 12px 14px 16px;
}

.prd-title {
    margin: 0 0 .35rem;
    font-weight: 800;
    font-size: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===================== PRICE (RED) ===================== */
.prd-price {
    font-weight: 900;
    font-size: 1rem;
    letter-spacing: .2px;
    color: var(--price-red);
}

/* ===================== BADGES ===================== */
.prd-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .28rem .55rem;
    border-radius: 999px;
    font-size: .74rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: .6px;
    text-transform: uppercase;
    user-select: none;
    white-space: nowrap;
}

    .prd-badge.hot {
        background: linear-gradient(135deg,var(--hot-bg1) 0%, var(--hot-bg2) 100%);
        color: var(--hot-text);
        border: 1px solid #ffc2b9;
        box-shadow: 0 4px 12px rgba(255,97,58,.15);
    }

        .prd-badge.hot::before {
            content: "🔥";
            font-size: .95rem;
            transform: translateY(.5px);
        }

    .prd-badge.bg-success-soft {
        background: var(--badge-s-bg);
        color: var(--badge-s-tx);
        border: 1px solid var(--badge-s-bd);
    }

    .prd-badge.bg-warning-soft {
        background: var(--badge-w-bg);
        color: var(--badge-w-tx);
        border: 1px solid var(--badge-w-bd);
    }

    .prd-badge.bg-secondary-soft {
        background: var(--badge-n-bg);
        color: var(--badge-n-tx);
        border: 1px solid var(--badge-n-bd);
    }

/* ===================== BUTTON (PRIMARY - Xem chi tiết) ===================== */
.btn.btn-detail {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .5rem .9rem;
    border-radius: 999px; /* pill */
    font-weight: 800;
    background: var(--blue);
    color: #fff;
    border: 1px solid var(--blue);
    box-shadow: 0 6px 14px rgba(59,130,246,.25);
    text-decoration: none;
    transition: .15s ease;
}

    .btn.btn-detail:hover {
        transform: translateY(-1px);
        background: var(--blue-dark);
        border-color: var(--blue-dark);
        box-shadow: 0 8px 18px rgba(37,99,235,.28);
    }

    .btn.btn-detail:active {
        transform: translateY(0);
    }

    .btn.btn-detail .btn-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 18px;
        height: 18px;
        line-height: 0;
    }

/* ===================== EMPTY STATE ===================== */
.empty {
    text-align: center;
    padding: 40px 0;
}

    .empty img {
        width: 100%;
        max-width: 560px;
        border-radius: 12px;
        margin-bottom: 12px;
    }

/* ===================== SKELETON ===================== */
.skeleton {
    position: relative;
    overflow: hidden;
}

    .skeleton .prd-media {
        background: #eef1f4;
    }

.skeleton-line, .skeleton-pill {
    display: block;
    height: 12px;
    border-radius: 8px;
    background: linear-gradient(90deg,#f2f4f7, #e9edf1, #f2f4f7);
    animation: shimmer 1.2s infinite linear;
    background-size: 200px 100%;
}

.skeleton-line {
    margin-top: 10px;
}

.skeleton-pill {
    height: 20px;
}

.w-75 {
    width: 75%;
}

.w-50 {
    width: 50%;
}

.w-25 {
    width: 25%;
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }

    100% {
        background-position: 200px 0;
    }
}

/* ===================== RESPONSIVE ===================== */
@media (max-width:576px) {
    .hero-content {
        padding: 56px 0 40px;
    }

    .hero-title {
        font-size: 28px;
    }

    /* ==== ẢNH SẢN PHẨM TRÊN MOBILE – KHÔNG BỊ CẮT ==== */
    .prd-media {
        /* bỏ ép tỉ lệ 4/3 trên mobile */
        aspect-ratio: unset !important;
        height: auto !important;
        min-height: 0 !important;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #f6f7f9;
        overflow: hidden;
    }

        .prd-media img {
            width: 100% !important;
            height: auto !important;
            max-width: 100%;
            max-height: 100%;
            object-fit: contain !important; /* chỉ thu nhỏ cho vừa khung, không crop */
            display: block;
        }

    /* Nếu trang này cũng cần 2 thẻ / hàng thì giữ, không thì bỏ đoạn dưới */
    .container .row.g-4 > [class^="col"],
    .container .row.g-4 > [class*=" col"] {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .prd-badge {
        font-size: .68rem;
        padding: .2rem .4rem;
        letter-spacing: .2px;
        white-space: normal; /* cho phép xuống dòng */
    }
}
}