/* Nyko Offers & Bundles - Premium Unified Aesthetic Styling */
.nyko-ob-container {
    --nyko-primary: #ef4444;
    --nyko-primary-rgb: 239, 68, 68;
    --nyko-badge-bg: #ef4444;
    --nyko-ship-bg: #dcfce7;
    --nyko-ship-color: #15803d;
    
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
    box-sizing: border-box;
    width: 100%;
}

.nyko-ob-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px dashed #f1f5f9;
}

.nyko-ob-fire-icon {
    font-size: 20px;
    line-height: 1;
}

.nyko-ob-title {
    margin: 0;
    font-size: clamp(14px, 4vw, 17px);
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.3px;
    text-transform: uppercase;
    line-height: 1.3;
}

/* Tier Cards Grid Container */
.nyko-ob-tiers-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.nyko-ob-tier-card {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    border: 1.5px solid #e2e8f0; /* UNIFIED NEUTRAL BORDER FOR ALL INACTIVE CARDS */
    border-radius: 14px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    box-sizing: border-box;
}

.nyko-ob-tier-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.nyko-ob-tier-card.active {
    border: 2px solid var(--nyko-primary) !important;
    background: #ffffff;
    box-shadow: 0 6px 20px rgba(var(--nyko-primary-rgb), 0.12);
}

/* Badge (Popular / Best Value) */
.nyko-ob-tier-badge {
    position: absolute;
    top: -11px;
    right: 16px;
    background: var(--nyko-badge-bg);
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.12);
    z-index: 2;
    white-space: nowrap;
}

/* Custom Radio */
.nyko-ob-tier-radio {
    display: flex;
    align-items: center;
    justify-content: center;
}

.nyko-ob-tier-radio input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border: 2px solid #cbd5e1;
    border-radius: 50%;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 0;
    position: relative;
}

.nyko-ob-tier-card.active .nyko-ob-tier-radio input[type="radio"] {
    border-color: var(--nyko-primary);
    background-color: var(--nyko-primary);
    box-shadow: inset 0 0 0 4px #ffffff;
}

/* Info */
.nyko-ob-tier-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.nyko-ob-tier-title {
    font-weight: 800;
    font-size: clamp(14px, 3.5vw, 16px);
    color: #0f172a;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    line-height: 1.2;
}

/* Customizable Shipping Badge */
.nyko-ob-ship-badge {
    background: var(--nyko-ship-bg);
    color: var(--nyko-ship-color);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 6px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.nyko-ob-tier-sublabel {
    font-size: 12px;
    color: var(--nyko-primary);
    font-weight: 700;
    line-height: 1.3;
}

.nyko-ob-tier-unit-price {
    font-size: 12px;
    color: #64748b;
}

/* Pricing box */
.nyko-ob-tier-pricing {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 2px;
    text-align: right;
    white-space: nowrap;
}

.nyko-ob-tier-total {
    font-size: clamp(17px, 4vw, 21px);
    font-weight: 900;
    color: #0f172a;
    line-height: 1.1;
}

.nyko-ob-tier-card.active .nyko-ob-tier-total {
    color: var(--nyko-primary);
}

.nyko-ob-tier-old-price {
    font-size: 12px;
    color: #94a3b8;
    text-decoration: line-through;
    line-height: 1;
}

.nyko-ob-tier-savings {
    background: #000000;
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 6px;
    margin-top: 2px;
    display: inline-block;
}

/* CTA Button */
.nyko-ob-action-area {
    margin-top: 18px;
}

.nyko-ob-submit-btn {
    width: 100%;
    background: var(--nyko-primary);
    color: #ffffff;
    border: none;
    padding: 16px 20px;
    border-radius: 12px;
    font-size: clamp(14px, 3.5vw, 17px);
    font-weight: 900;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: 0.3px;
    box-shadow: 0 8px 20px rgba(var(--nyko-primary-rgb), 0.35);
    transition: all 0.25s ease;
    text-transform: uppercase;
    box-sizing: border-box;
}

.nyko-ob-submit-btn:hover {
    filter: brightness(0.92);
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(var(--nyko-primary-rgb), 0.45);
}

.nyko-ob-guarantee-strip {
    text-align: center;
    margin-top: 10px;
    font-size: 11px;
    color: #64748b;
    font-weight: 600;
}

/* ========================================================
   CRITICAL MOBILE RESPONSIVE MEDIA QUERIES (< 520px)
   ======================================================== */
@media screen and (max-width: 520px) {
    .nyko-ob-container {
        padding: 14px 10px;
        margin: 14px 0;
        border-radius: 14px;
    }

    .nyko-ob-tier-card {
        grid-template-columns: auto 1fr;
        gap: 8px 10px;
        padding: 14px 10px;
    }

    .nyko-ob-tier-badge {
        position: static;
        grid-column: 1 / -1;
        justify-self: flex-start;
        margin-bottom: 2px;
        font-size: 9px;
        padding: 2px 8px;
        border-radius: 12px;
    }

    .nyko-ob-tier-info {
        grid-column: 2;
    }

    .nyko-ob-tier-pricing {
        grid-column: 1 / -1;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        border-top: 1px dashed #e2e8f0;
        padding-top: 8px;
        margin-top: 4px;
        text-align: left;
    }

    .nyko-ob-tier-total {
        font-size: 18px;
    }

    .nyko-ob-tier-savings {
        margin-top: 0;
    }

    .nyko-ob-submit-btn {
        padding: 14px 16px;
    }
}