/* --- Close Buttons (unified) --- */
.btn-close {
    background: var(--bg-grey);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-black);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.btn-close:hover {
    background: var(--border-grey);
}

/* --- Back Button --- */
.btn-back {
    background: var(--bg-grey);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-black);
    transition: var(--transition);
}

.btn-back:hover {
    background: var(--border-grey);
}

/* --- Add Button --- */
.btn-add {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-grey);
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-add:hover {
    background: var(--primary-green);
    color: #ffffff;
    border-color: var(--primary-green);
}

/* --- Auth Button --- */
.btn-auth {
    width: 100%;
    padding: 16px;
    background: var(--primary-green);
    color: #ffffff;
    border: none;
    border-radius: 100px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

/* --- Quantity Button --- */
.btn-qty {
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-grey);
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary-green);
    font-weight: 700;
    transition: var(--transition);
}

.btn-qty:hover {
    background: var(--bg-grey);
}

/* --- Checkout Button --- */
.btn-checkout {
    width: 100%;
    padding: 16px;
    background-color: var(--primary-green);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-weight: 800;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-checkout:hover {
    background-color: var(--primary-green-hover);
}

/* --- Upsell Add Buttons --- */
.btn-upsell-add {
    width: 28px;
    height: 28px;
    border: 1px solid var(--primary-green);
    background: none;
    color: var(--primary-green);
    border-radius: 50%;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
}

.btn-upsell-card-add {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 24px;
    height: 24px;
    border: 1px solid var(--primary-green);
    background: none;
    color: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Reorder Button --- */
.btn-reorder {
    padding: 8px 20px;
    background: var(--primary-green);
    color: #ffffff;
    border: none;
    border-radius: 100px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-reorder:hover {
    background: var(--primary-green-hover);
}

/* --- Action Button --- */
.btn-action {
    width: 100%;
    padding: 14px;
    background: var(--primary-green);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 8px;
}

.btn-action:hover {
    background: var(--primary-green-hover);
}

/* --- Checkout Next Button --- */
.btn-checkout-next {
    width: 100%;
    padding: 16px;
    background: var(--primary-green);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    transition: all 0.2s ease;
}

.btn-checkout-next:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* --- Back Step Button --- */
.btn-back-step {
    width: 100%;
    padding: 14px;
    background: transparent;
    border: 1.5px solid var(--border-grey, #e0e0e0);
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
}

/* --- Pay Button (Stripe) --- */
.btn-pay {
    background: #635bff;
}

.btn-pay:hover {
    background: #5046e5;
}

/* --- Danger Button --- */
.btn-danger {
    width: 100%;
    padding: 14px;
    background: none;
    color: #ef4444;
    border: 1px solid #ef4444;
    border-radius: 8px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.05);
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #2b2a28;
    color: #ffffff;
    border-radius: 50%;
    font-weight: 700;
    line-height: 1;
}

.badge-sm {
    min-width: 20px;
    height: 20px;
    font-size: 12px;
    padding: 0 4px;
}

.badge-md {
    width: 32px;
    height: 32px;
    font-size: 16px;
}